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jj/cli/tests/test_diff_command.rs
Yuya Nishihara 0e17c0e17d copies: ignore existing tree when testing copy/rename operation type 
In this context, a tree value should be considered absent.
2025-04-22 00:44:13 +00:00

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// Copyright 2022 The Jujutsu Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
use indoc::indoc;
use itertools::Itertools as _;
use crate::common::create_commit;
use crate::common::create_commit_with_files;
use crate::common::fake_diff_editor_path;
use crate::common::to_toml_value;
use crate::common::CommandOutput;
use crate::common::TestEnvironment;
use crate::common::TestWorkDir;
#[test]
fn test_diff_basic() {
let test_env = TestEnvironment::default();
test_env.run_jj_in(".", ["git", "init", "repo"]).success();
let work_dir = test_env.work_dir("repo");
work_dir.write_file("file1", "foo\n");
work_dir.write_file("file2", "1\n2\n3\n4\n");
work_dir.run_jj(["new"]).success();
work_dir.remove_file("file1");
work_dir.write_file("file2", "1\n5\n3\n");
work_dir.write_file("file3", "foo\n");
work_dir.write_file("file4", "1\n2\n3\n4\n");
let output = work_dir.run_jj(["diff"]);
insta::assert_snapshot!(output, @r"
Modified regular file file2:
1 1: 1
2 2: 25
3 3: 3
4 : 4
Modified regular file file3 (file1 => file3):
Modified regular file file4 (file2 => file4):
[EOF]
");
let output = work_dir.run_jj(["diff", "--context=0"]);
insta::assert_snapshot!(output, @r"
Modified regular file file2:
1 1: 1
2 2: 25
3 3: 3
4 : 4
Modified regular file file3 (file1 => file3):
Modified regular file file4 (file2 => file4):
[EOF]
");
let output = work_dir.run_jj(["diff", "--color=debug"]);
insta::assert_snapshot!(output, @r"
<<diff header::Modified regular file file2:>>
<<diff removed line_number:: 1>><<diff:: >><<diff added line_number:: 1>><<diff::: 1>>
<<diff removed line_number:: 2>><<diff:: >><<diff added line_number:: 2>><<diff::: >><<diff removed token::2>><<diff added token::5>><<diff::>>
<<diff removed line_number:: 3>><<diff:: >><<diff added line_number:: 3>><<diff::: 3>>
<<diff removed line_number:: 4>><<diff:: : >><<diff removed token::4>>
<<diff header::Modified regular file file3 (file1 => file3):>>
<<diff header::Modified regular file file4 (file2 => file4):>>
[EOF]
");
let output = work_dir.run_jj(["diff", "-s"]);
insta::assert_snapshot!(output, @r"
M file2
R {file1 => file3}
C {file2 => file4}
[EOF]
");
let output = work_dir.run_jj(["diff", "--types"]);
insta::assert_snapshot!(output, @r"
FF file2
FF {file1 => file3}
FF {file2 => file4}
[EOF]
");
let output = work_dir.run_jj(["diff", "--types", "glob:file[12]"]);
insta::assert_snapshot!(output, @r"
F- file1
FF file2
[EOF]
");
let output = work_dir.run_jj(["diff", "--git", "file1"]);
insta::assert_snapshot!(output, @r"
diff --git a/file1 b/file1
deleted file mode 100644
index 257cc5642c..0000000000
--- a/file1
+++ /dev/null
@@ -1,1 +0,0 @@
-foo
[EOF]
");
let output = work_dir.run_jj(["diff", "--git"]);
insta::assert_snapshot!(output, @r"
diff --git a/file2 b/file2
index 94ebaf9001..1ffc51b472 100644
--- a/file2
+++ b/file2
@@ -1,4 +1,3 @@
1
-2
+5
3
-4
diff --git a/file1 b/file3
rename from file1
rename to file3
diff --git a/file2 b/file4
copy from file2
copy to file4
[EOF]
");
let output = work_dir.run_jj(["diff", "--git", "--context=0"]);
insta::assert_snapshot!(output, @r"
diff --git a/file2 b/file2
index 94ebaf9001..1ffc51b472 100644
--- a/file2
+++ b/file2
@@ -2,1 +2,1 @@
-2
+5
@@ -4,1 +3,0 @@
-4
diff --git a/file1 b/file3
rename from file1
rename to file3
diff --git a/file2 b/file4
copy from file2
copy to file4
[EOF]
");
let output = work_dir.run_jj(["diff", "--git", "--color=debug"]);
insta::assert_snapshot!(output, @r"
<<diff file_header::diff --git a/file2 b/file2>>
<<diff file_header::index 94ebaf9001..1ffc51b472 100644>>
<<diff file_header::--- a/file2>>
<<diff file_header::+++ b/file2>>
<<diff hunk_header::@@ -1,4 +1,3 @@>>
<<diff context:: 1>>
<<diff removed::->><<diff removed token::2>><<diff removed::>>
<<diff added::+>><<diff added token::5>><<diff added::>>
<<diff context:: 3>>
<<diff removed::->><<diff removed token::4>>
<<diff file_header::diff --git a/file1 b/file3>>
<<diff file_header::rename from file1>>
<<diff file_header::rename to file3>>
<<diff file_header::diff --git a/file2 b/file4>>
<<diff file_header::copy from file2>>
<<diff file_header::copy to file4>>
[EOF]
");
let output = work_dir.run_jj(["diff", "-s", "--git"]);
insta::assert_snapshot!(output, @r"
M file2
R {file1 => file3}
C {file2 => file4}
diff --git a/file2 b/file2
index 94ebaf9001..1ffc51b472 100644
--- a/file2
+++ b/file2
@@ -1,4 +1,3 @@
1
-2
+5
3
-4
diff --git a/file1 b/file3
rename from file1
rename to file3
diff --git a/file2 b/file4
copy from file2
copy to file4
[EOF]
");
let output = work_dir.run_jj(["diff", "--stat"]);
insta::assert_snapshot!(output, @r"
file2 | 3 +--
{file1 => file3} | 0
{file2 => file4} | 0
3 files changed, 1 insertion(+), 2 deletions(-)
[EOF]
");
// Filter by glob pattern
let output = work_dir.run_jj(["diff", "-s", "glob:file[12]"]);
insta::assert_snapshot!(output, @r"
D file1
M file2
[EOF]
");
// Unmatched paths should generate warnings
let output = test_env.run_jj_in(
".",
[
"diff",
"-Rrepo",
"-s",
"repo", // matches directory
"repo/file1", // deleted in to_tree, but exists in from_tree
"repo/x",
"repo/y/z",
],
);
insta::assert_snapshot!(output.normalize_backslash(), @r"
M repo/file2
R repo/{file1 => file3}
C repo/{file2 => file4}
[EOF]
------- stderr -------
Warning: No matching entries for paths: repo/x, repo/y/z
[EOF]
");
// Unmodified paths shouldn't generate warnings
let output = work_dir.run_jj(["diff", "-s", "--from=@", "file2"]);
insta::assert_snapshot!(output, @"");
}
#[test]
fn test_diff_empty() {
let test_env = TestEnvironment::default();
test_env.run_jj_in(".", ["git", "init", "repo"]).success();
let work_dir = test_env.work_dir("repo");
work_dir.write_file("file1", "");
let output = work_dir.run_jj(["diff"]);
insta::assert_snapshot!(output, @r"
Added regular file file1:
(empty)
[EOF]
");
work_dir.run_jj(["new"]).success();
work_dir.remove_file("file1");
let output = work_dir.run_jj(["diff"]);
insta::assert_snapshot!(output, @r"
Removed regular file file1:
(empty)
[EOF]
");
let output = work_dir.run_jj(["diff", "--stat"]);
insta::assert_snapshot!(output, @r"
file1 | 0
1 file changed, 0 insertions(+), 0 deletions(-)
[EOF]
");
}
#[test]
fn test_diff_file_mode() {
let test_env = TestEnvironment::default();
test_env.run_jj_in(".", ["git", "init", "repo"]).success();
let work_dir = test_env.work_dir("repo");
// Test content+mode/mode-only changes of empty/non-empty files:
// - file1: ("", x) -> ("2", n) empty, content+mode
// - file2: ("1", x) -> ("1", n) non-empty, mode-only
// - file3: ("1", n) -> ("2", x) non-empty, content+mode
// - file4: ("", n) -> ("", x) empty, mode-only
work_dir.write_file("file1", "");
work_dir.write_file("file2", "1\n");
work_dir.write_file("file3", "1\n");
work_dir.write_file("file4", "");
work_dir
.run_jj(["file", "chmod", "x", "file1", "file2"])
.success();
work_dir.run_jj(["new"]).success();
work_dir.write_file("file1", "2\n");
work_dir.write_file("file3", "2\n");
work_dir
.run_jj(["file", "chmod", "n", "file1", "file2"])
.success();
work_dir
.run_jj(["file", "chmod", "x", "file3", "file4"])
.success();
work_dir.run_jj(["new"]).success();
work_dir.remove_file("file1");
work_dir.remove_file("file2");
work_dir.remove_file("file3");
work_dir.remove_file("file4");
let output = work_dir.run_jj(["diff", "-r@--"]);
insta::assert_snapshot!(output, @r"
Added executable file file1:
(empty)
Added executable file file2:
1: 1
Added regular file file3:
1: 1
Added regular file file4:
(empty)
[EOF]
");
let output = work_dir.run_jj(["diff", "-r@-"]);
insta::assert_snapshot!(output, @r"
Executable file became non-executable at file1:
1: 2
Executable file became non-executable at file2:
Non-executable file became executable at file3:
1 1: 12
Non-executable file became executable at file4:
[EOF]
");
let output = work_dir.run_jj(["diff", "-r@"]);
insta::assert_snapshot!(output, @r"
Removed regular file file1:
1 : 2
Removed regular file file2:
1 : 1
Removed executable file file3:
1 : 2
Removed executable file file4:
(empty)
[EOF]
");
let output = work_dir.run_jj(["diff", "-r@--", "--git"]);
insta::assert_snapshot!(output, @r"
diff --git a/file1 b/file1
new file mode 100755
index 0000000000..e69de29bb2
diff --git a/file2 b/file2
new file mode 100755
index 0000000000..d00491fd7e
--- /dev/null
+++ b/file2
@@ -0,0 +1,1 @@
+1
diff --git a/file3 b/file3
new file mode 100644
index 0000000000..d00491fd7e
--- /dev/null
+++ b/file3
@@ -0,0 +1,1 @@
+1
diff --git a/file4 b/file4
new file mode 100644
index 0000000000..e69de29bb2
[EOF]
");
let output = work_dir.run_jj(["diff", "-r@-", "--git"]);
insta::assert_snapshot!(output, @r"
diff --git a/file1 b/file1
old mode 100755
new mode 100644
index e69de29bb2..0cfbf08886
--- a/file1
+++ b/file1
@@ -0,0 +1,1 @@
+2
diff --git a/file2 b/file2
old mode 100755
new mode 100644
diff --git a/file3 b/file3
old mode 100644
new mode 100755
index d00491fd7e..0cfbf08886
--- a/file3
+++ b/file3
@@ -1,1 +1,1 @@
-1
+2
diff --git a/file4 b/file4
old mode 100644
new mode 100755
[EOF]
");
let output = work_dir.run_jj(["diff", "-r@", "--git"]);
insta::assert_snapshot!(output, @r"
diff --git a/file1 b/file1
deleted file mode 100644
index 0cfbf08886..0000000000
--- a/file1
+++ /dev/null
@@ -1,1 +0,0 @@
-2
diff --git a/file2 b/file2
deleted file mode 100644
index d00491fd7e..0000000000
--- a/file2
+++ /dev/null
@@ -1,1 +0,0 @@
-1
diff --git a/file3 b/file3
deleted file mode 100755
index 0cfbf08886..0000000000
--- a/file3
+++ /dev/null
@@ -1,1 +0,0 @@
-2
diff --git a/file4 b/file4
deleted file mode 100755
index e69de29bb2..0000000000
[EOF]
");
}
#[test]
fn test_diff_types() {
let test_env = TestEnvironment::default();
test_env.run_jj_in(".", ["git", "init", "repo"]).success();
let work_dir = test_env.work_dir("repo");
let file_path = "foo";
// Missing
work_dir.run_jj(["new", "root()", "-m=missing"]).success();
// Normal file
work_dir.run_jj(["new", "root()", "-m=file"]).success();
work_dir.write_file(file_path, "foo");
// Conflict (add/add)
work_dir.run_jj(["new", "root()", "-m=conflict"]).success();
work_dir.write_file(file_path, "foo");
work_dir.run_jj(["new", "root()"]).success();
work_dir.write_file(file_path, "bar");
work_dir
.run_jj(["squash", r#"--into=description("conflict")"#])
.success();
#[cfg(unix)]
{
use std::os::unix::fs::PermissionsExt as _;
use std::path::PathBuf;
// Executable
work_dir
.run_jj(["new", "root()", "-m=executable"])
.success();
work_dir.write_file(file_path, "foo");
std::fs::set_permissions(
work_dir.root().join(file_path),
std::fs::Permissions::from_mode(0o755),
)
.unwrap();
// Symlink
work_dir.run_jj(["new", "root()", "-m=symlink"]).success();
std::os::unix::fs::symlink(PathBuf::from("."), work_dir.root().join(file_path)).unwrap();
}
let diff = |from: &str, to: &str| {
work_dir.run_jj([
"diff",
"--types",
&format!(r#"--from=description("{from}")"#),
&format!(r#"--to=description("{to}")"#),
])
};
insta::assert_snapshot!(diff("missing", "file"), @r"
-F foo
[EOF]
");
insta::assert_snapshot!(diff("file", "conflict"), @r"
FC foo
[EOF]
");
insta::assert_snapshot!(diff("conflict", "missing"), @r"
C- foo
[EOF]
");
#[cfg(unix)]
{
insta::assert_snapshot!(diff("symlink", "file"), @r"
LF foo
[EOF]
");
insta::assert_snapshot!(diff("missing", "executable"), @r"
-F foo
[EOF]
");
}
}
#[test]
fn test_diff_name_only() {
let test_env = TestEnvironment::default();
test_env.run_jj_in(".", ["git", "init", "repo"]).success();
let work_dir = test_env.work_dir("repo");
work_dir.run_jj(["new"]).success();
work_dir.write_file("deleted", "d");
work_dir.write_file("modified", "m");
insta::assert_snapshot!(work_dir.run_jj(["diff", "--name-only"]), @r"
deleted
modified
[EOF]
");
work_dir.run_jj(["commit", "-mfirst"]).success();
work_dir.remove_file("deleted");
work_dir.write_file("modified", "mod");
work_dir.write_file("added", "add");
work_dir.create_dir("sub");
work_dir.write_file("sub/added", "sub/add");
insta::assert_snapshot!(work_dir.run_jj(["diff", "--name-only"]).normalize_backslash(), @r"
added
deleted
modified
sub/added
[EOF]
");
}
#[test]
fn test_diff_renamed_file_and_dir() {
let test_env = TestEnvironment::default();
test_env.run_jj_in(".", ["git", "init", "repo"]).success();
let work_dir = test_env.work_dir("repo");
work_dir.write_file("x", "content1");
work_dir.create_dir("y");
work_dir.write_file("y/file", "content2");
work_dir.run_jj(["new"]).success();
work_dir.remove_file("x");
work_dir.remove_dir_all("y");
work_dir.create_dir("x");
work_dir.write_file("x/file", "content2");
work_dir.write_file("y", "content1");
// Renamed directory y->x shouldn't be reported
let output = work_dir.run_jj(["diff", "--summary"]);
insta::assert_snapshot!(output.normalize_backslash(), @r"
R {y => x}/file
R {x => y}
[EOF]
");
let output = work_dir.run_jj(["diff", "--git"]);
insta::assert_snapshot!(output, @r"
diff --git a/y/file b/x/file
rename from y/file
rename to x/file
diff --git a/x b/y
rename from x
rename to y
[EOF]
");
}
#[test]
fn test_diff_bad_args() {
let test_env = TestEnvironment::default();
test_env.run_jj_in(".", ["git", "init", "repo"]).success();
let work_dir = test_env.work_dir("repo");
let output = work_dir.run_jj(["diff", "-s", "--types"]);
insta::assert_snapshot!(output, @r"
------- stderr -------
error: the argument '--summary' cannot be used with '--types'
Usage: jj diff --summary [FILESETS]...
For more information, try '--help'.
[EOF]
[exit status: 2]
");
let output = work_dir.run_jj(["diff", "--color-words", "--git"]);
insta::assert_snapshot!(output, @r"
------- stderr -------
error: the argument '--color-words' cannot be used with '--git'
Usage: jj diff --color-words [FILESETS]...
For more information, try '--help'.
[EOF]
[exit status: 2]
");
}
#[test]
fn test_diff_relative_paths() {
let test_env = TestEnvironment::default();
test_env.run_jj_in(".", ["git", "init", "repo"]).success();
let work_dir = test_env.work_dir("repo");
work_dir.create_dir_all("dir1/subdir1");
work_dir.create_dir("dir2");
work_dir.write_file("file1", "foo1\n");
work_dir.write_file("dir1/file2", "foo2\n");
work_dir.write_file("dir1/subdir1/file3", "foo3\n");
work_dir.write_file("dir2/file4", "foo4\n");
work_dir.run_jj(["new"]).success();
work_dir.write_file("file1", "bar1\n");
work_dir.write_file("dir1/file2", "bar2\n");
work_dir.write_file("dir1/subdir1/file3", "bar3\n");
work_dir.write_file("dir2/file4", "bar4\n");
let sub_dir1 = work_dir.dir("dir1");
let output = sub_dir1.run_jj(["diff"]);
#[cfg(unix)]
insta::assert_snapshot!(output, @r"
Modified regular file file2:
1 1: foo2bar2
Modified regular file subdir1/file3:
1 1: foo3bar3
Modified regular file ../dir2/file4:
1 1: foo4bar4
Modified regular file ../file1:
1 1: foo1bar1
[EOF]
");
#[cfg(windows)]
insta::assert_snapshot!(output, @r"
Modified regular file file2:
1 1: foo2bar2
Modified regular file subdir1\file3:
1 1: foo3bar3
Modified regular file ..\dir2\file4:
1 1: foo4bar4
Modified regular file ..\file1:
1 1: foo1bar1
[EOF]
");
let output = sub_dir1.run_jj(["diff", "-s"]);
#[cfg(unix)]
insta::assert_snapshot!(output, @r"
M file2
M subdir1/file3
M ../dir2/file4
M ../file1
[EOF]
");
#[cfg(windows)]
insta::assert_snapshot!(output, @r"
M file2
M subdir1\file3
M ..\dir2\file4
M ..\file1
[EOF]
");
let output = sub_dir1.run_jj(["diff", "--types"]);
#[cfg(unix)]
insta::assert_snapshot!(output, @r"
FF file2
FF subdir1/file3
FF ../dir2/file4
FF ../file1
[EOF]
");
#[cfg(windows)]
insta::assert_snapshot!(output, @r"
FF file2
FF subdir1\file3
FF ..\dir2\file4
FF ..\file1
[EOF]
");
let output = sub_dir1.run_jj(["diff", "--git"]);
insta::assert_snapshot!(output, @r"
diff --git a/dir1/file2 b/dir1/file2
index 54b060eee9..1fe912cdd8 100644
--- a/dir1/file2
+++ b/dir1/file2
@@ -1,1 +1,1 @@
-foo2
+bar2
diff --git a/dir1/subdir1/file3 b/dir1/subdir1/file3
index c1ec6c6f12..f3c8b75ec6 100644
--- a/dir1/subdir1/file3
+++ b/dir1/subdir1/file3
@@ -1,1 +1,1 @@
-foo3
+bar3
diff --git a/dir2/file4 b/dir2/file4
index a0016dbc4c..17375f7a12 100644
--- a/dir2/file4
+++ b/dir2/file4
@@ -1,1 +1,1 @@
-foo4
+bar4
diff --git a/file1 b/file1
index 1715acd6a5..05c4fe6772 100644
--- a/file1
+++ b/file1
@@ -1,1 +1,1 @@
-foo1
+bar1
[EOF]
");
let output = sub_dir1.run_jj(["diff", "--stat"]);
#[cfg(unix)]
insta::assert_snapshot!(output, @r"
file2 | 2 +-
subdir1/file3 | 2 +-
../dir2/file4 | 2 +-
../file1 | 2 +-
4 files changed, 4 insertions(+), 4 deletions(-)
[EOF]
");
#[cfg(windows)]
insta::assert_snapshot!(output, @r"
file2 | 2 +-
subdir1\file3 | 2 +-
..\dir2\file4 | 2 +-
..\file1 | 2 +-
4 files changed, 4 insertions(+), 4 deletions(-)
[EOF]
");
}
#[test]
fn test_diff_hunks() {
let test_env = TestEnvironment::default();
test_env.run_jj_in(".", ["git", "init", "repo"]).success();
let work_dir = test_env.work_dir("repo");
// Test added, removed, inserted, and modified lines. The modified line
// contains unchanged words.
work_dir.write_file("file1", "");
work_dir.write_file("file2", "foo\n");
work_dir.write_file("file3", "foo\nbaz qux blah blah\n");
work_dir.run_jj(["new"]).success();
work_dir.write_file("file1", "foo\n");
work_dir.write_file("file2", "");
work_dir.write_file("file3", "foo\nbar\nbaz quux blah blah\n");
let output = work_dir.run_jj(["diff"]);
insta::assert_snapshot!(output, @r"
Modified regular file file1:
1: foo
Modified regular file file2:
1 : foo
Modified regular file file3:
1 1: foo
2: bar
2 3: baz quxquux blah blah
[EOF]
");
let output = work_dir.run_jj(["diff", "--color=debug"]);
insta::assert_snapshot!(output, @r"
<<diff header::Modified regular file file1:>>
<<diff:: >><<diff added line_number:: 1>><<diff::: >><<diff added token::foo>>
<<diff header::Modified regular file file2:>>
<<diff removed line_number:: 1>><<diff:: : >><<diff removed token::foo>>
<<diff header::Modified regular file file3:>>
<<diff removed line_number:: 1>><<diff:: >><<diff added line_number:: 1>><<diff::: foo>>
<<diff:: >><<diff added line_number:: 2>><<diff::: >><<diff added token::bar>>
<<diff removed line_number:: 2>><<diff:: >><<diff added line_number:: 3>><<diff::: baz >><<diff removed token::qux>><<diff added token::quux>><<diff:: blah blah>>
[EOF]
");
let output = work_dir.run_jj(["diff", "--git"]);
insta::assert_snapshot!(output, @r"
diff --git a/file1 b/file1
index e69de29bb2..257cc5642c 100644
--- a/file1
+++ b/file1
@@ -0,0 +1,1 @@
+foo
diff --git a/file2 b/file2
index 257cc5642c..e69de29bb2 100644
--- a/file2
+++ b/file2
@@ -1,1 +0,0 @@
-foo
diff --git a/file3 b/file3
index 221a95a095..a543ef3892 100644
--- a/file3
+++ b/file3
@@ -1,2 +1,3 @@
foo
-baz qux blah blah
+bar
+baz quux blah blah
[EOF]
");
let output = work_dir.run_jj(["diff", "--git", "--color=debug"]);
insta::assert_snapshot!(output, @r"
<<diff file_header::diff --git a/file1 b/file1>>
<<diff file_header::index e69de29bb2..257cc5642c 100644>>
<<diff file_header::--- a/file1>>
<<diff file_header::+++ b/file1>>
<<diff hunk_header::@@ -0,0 +1,1 @@>>
<<diff added::+>><<diff added token::foo>>
<<diff file_header::diff --git a/file2 b/file2>>
<<diff file_header::index 257cc5642c..e69de29bb2 100644>>
<<diff file_header::--- a/file2>>
<<diff file_header::+++ b/file2>>
<<diff hunk_header::@@ -1,1 +0,0 @@>>
<<diff removed::->><<diff removed token::foo>>
<<diff file_header::diff --git a/file3 b/file3>>
<<diff file_header::index 221a95a095..a543ef3892 100644>>
<<diff file_header::--- a/file3>>
<<diff file_header::+++ b/file3>>
<<diff hunk_header::@@ -1,2 +1,3 @@>>
<<diff context:: foo>>
<<diff removed::-baz >><<diff removed token::qux>><<diff removed:: blah blah>>
<<diff added::+>><<diff added token::bar>>
<<diff added::+baz >><<diff added token::quux>><<diff added:: blah blah>>
[EOF]
");
}
#[test]
fn test_diff_color_words_inlining_threshold() {
let test_env = TestEnvironment::default();
test_env.run_jj_in(".", ["git", "init", "repo"]).success();
let work_dir = test_env.work_dir("repo");
let render_diff = |max_alternation: i32, args: &[&str]| {
let config = format!("diff.color-words.max-inline-alternation={max_alternation}");
work_dir.run_jj_with(|cmd| cmd.args(["diff", "--config", &config]).args(args))
};
let file1_path = "file1-single-line";
let file2_path = "file2-multiple-lines-in-single-hunk";
let file3_path = "file3-changes-across-lines";
work_dir.write_file(
file1_path,
indoc! {"
== adds ==
a b c
== removes ==
a b c d e f g
== adds + removes ==
a b c d e
== adds + removes + adds ==
a b c d e
== adds + removes + adds + removes ==
a b c d e f g
"},
);
work_dir.write_file(
file2_path,
indoc! {"
== adds; removes; adds + removes ==
a b c
a b c d e f g
a b c d e
== adds + removes + adds; adds + removes + adds + removes ==
a b c d e
a b c d e f g
"},
);
work_dir.write_file(
file3_path,
indoc! {"
== adds ==
a b c
== removes ==
a b c d
e f g
== adds + removes ==
a b c
d e
== adds + removes + adds ==
a b c
d e
== adds + removes + adds + removes ==
a b
c d e f g
"},
);
work_dir.run_jj(["new"]).success();
work_dir.write_file(
file1_path,
indoc! {"
== adds ==
a X b Y Z c
== removes ==
a c f
== adds + removes ==
a X b d
== adds + removes + adds ==
a X b d Y
== adds + removes + adds + removes ==
X a Y b d Z e
"},
);
work_dir.write_file(
file2_path,
indoc! {"
== adds; removes; adds + removes ==
a X b Y Z c
a c f
a X b d
== adds + removes + adds; adds + removes + adds + removes ==
a X b d Y
X a Y b d Z e
"},
);
work_dir.write_file(
file3_path,
indoc! {"
== adds ==
a X b
Y Z c
== removes ==
a c f
== adds + removes ==
a
X b d
== adds + removes + adds ==
a X b d
Y
== adds + removes + adds + removes ==
X a Y b d
Z e
"},
);
// default
let output = work_dir.run_jj(["diff"]);
insta::assert_snapshot!(output, @r"
Modified regular file file1-single-line:
1 1: == adds ==
2 2: a X b Y Z c
3 3: == removes ==
4 4: a b c d e f g
5 5: == adds + removes ==
6 6: a X b c d e
7 7: == adds + removes + adds ==
8 8: a X b c d eY
9 9: == adds + removes + adds + removes ==
10 : a b c d e f g
10: X a Y b d Z e
Modified regular file file2-multiple-lines-in-single-hunk:
1 1: == adds; removes; adds + removes ==
2 2: a X b Y Z c
3 3: a b c d e f g
4 4: a X b c d e
5 5: == adds + removes + adds; adds + removes + adds + removes ==
6 : a b c d e
7 : a b c d e f g
6: a X b d Y
7: X a Y b d Z e
Modified regular file file3-changes-across-lines:
1 1: == adds ==
2 2: a X b
2 3: Y Z c
3 4: == removes ==
4 5: a b c d
5 5: e f g
6 6: == adds + removes ==
7 7: a
7 8: X b c
8 8: d e
9 9: == adds + removes + adds ==
10 10: a X b c
11 10: d e
11 11: Y
12 12: == adds + removes + adds + removes ==
13 : a b
14 : c d e f g
13: X a Y b d
14: Z e
[EOF]
");
// -1: inline all
insta::assert_snapshot!(render_diff(-1, &[]), @r"
Modified regular file file1-single-line:
1 1: == adds ==
2 2: a X b Y Z c
3 3: == removes ==
4 4: a b c d e f g
5 5: == adds + removes ==
6 6: a X b c d e
7 7: == adds + removes + adds ==
8 8: a X b c d eY
9 9: == adds + removes + adds + removes ==
10 10: X a Y b c d Z e f g
Modified regular file file2-multiple-lines-in-single-hunk:
1 1: == adds; removes; adds + removes ==
2 2: a X b Y Z c
3 3: a b c d e f g
4 4: a X b c d e
5 5: == adds + removes + adds; adds + removes + adds + removes ==
6 6: a X b c d eY
7 7: X a Y b c d Z e f g
Modified regular file file3-changes-across-lines:
1 1: == adds ==
2 2: a X b
2 3: Y Z c
3 4: == removes ==
4 5: a b c d
5 5: e f g
6 6: == adds + removes ==
7 7: a
7 8: X b c
8 8: d e
9 9: == adds + removes + adds ==
10 10: a X b c
11 10: d e
11 11: Y
12 12: == adds + removes + adds + removes ==
13 13: X a Y b
14 13: c d
14 14: Z e f g
[EOF]
");
// 0: no inlining
insta::assert_snapshot!(render_diff(0, &[]), @r"
Modified regular file file1-single-line:
1 1: == adds ==
2 : a b c
2: a X b Y Z c
3 3: == removes ==
4 : a b c d e f g
4: a c f
5 5: == adds + removes ==
6 : a b c d e
6: a X b d
7 7: == adds + removes + adds ==
8 : a b c d e
8: a X b d Y
9 9: == adds + removes + adds + removes ==
10 : a b c d e f g
10: X a Y b d Z e
Modified regular file file2-multiple-lines-in-single-hunk:
1 1: == adds; removes; adds + removes ==
2 : a b c
3 : a b c d e f g
4 : a b c d e
2: a X b Y Z c
3: a c f
4: a X b d
5 5: == adds + removes + adds; adds + removes + adds + removes ==
6 : a b c d e
7 : a b c d e f g
6: a X b d Y
7: X a Y b d Z e
Modified regular file file3-changes-across-lines:
1 1: == adds ==
2 : a b c
2: a X b
3: Y Z c
3 4: == removes ==
4 : a b c d
5 : e f g
5: a c f
6 6: == adds + removes ==
7 : a b c
8 : d e
7: a
8: X b d
9 9: == adds + removes + adds ==
10 : a b c
11 : d e
10: a X b d
11: Y
12 12: == adds + removes + adds + removes ==
13 : a b
14 : c d e f g
13: X a Y b d
14: Z e
[EOF]
");
// 1: inline adds-only or removes-only lines
insta::assert_snapshot!(render_diff(1, &[]), @r"
Modified regular file file1-single-line:
1 1: == adds ==
2 2: a X b Y Z c
3 3: == removes ==
4 4: a b c d e f g
5 5: == adds + removes ==
6 : a b c d e
6: a X b d
7 7: == adds + removes + adds ==
8 : a b c d e
8: a X b d Y
9 9: == adds + removes + adds + removes ==
10 : a b c d e f g
10: X a Y b d Z e
Modified regular file file2-multiple-lines-in-single-hunk:
1 1: == adds; removes; adds + removes ==
2 : a b c
3 : a b c d e f g
4 : a b c d e
2: a X b Y Z c
3: a c f
4: a X b d
5 5: == adds + removes + adds; adds + removes + adds + removes ==
6 : a b c d e
7 : a b c d e f g
6: a X b d Y
7: X a Y b d Z e
Modified regular file file3-changes-across-lines:
1 1: == adds ==
2 2: a X b
2 3: Y Z c
3 4: == removes ==
4 5: a b c d
5 5: e f g
6 6: == adds + removes ==
7 : a b c
8 : d e
7: a
8: X b d
9 9: == adds + removes + adds ==
10 : a b c
11 : d e
10: a X b d
11: Y
12 12: == adds + removes + adds + removes ==
13 : a b
14 : c d e f g
13: X a Y b d
14: Z e
[EOF]
");
// 2: inline up to adds + removes lines
insta::assert_snapshot!(render_diff(2, &[]), @r"
Modified regular file file1-single-line:
1 1: == adds ==
2 2: a X b Y Z c
3 3: == removes ==
4 4: a b c d e f g
5 5: == adds + removes ==
6 6: a X b c d e
7 7: == adds + removes + adds ==
8 : a b c d e
8: a X b d Y
9 9: == adds + removes + adds + removes ==
10 : a b c d e f g
10: X a Y b d Z e
Modified regular file file2-multiple-lines-in-single-hunk:
1 1: == adds; removes; adds + removes ==
2 2: a X b Y Z c
3 3: a b c d e f g
4 4: a X b c d e
5 5: == adds + removes + adds; adds + removes + adds + removes ==
6 : a b c d e
7 : a b c d e f g
6: a X b d Y
7: X a Y b d Z e
Modified regular file file3-changes-across-lines:
1 1: == adds ==
2 2: a X b
2 3: Y Z c
3 4: == removes ==
4 5: a b c d
5 5: e f g
6 6: == adds + removes ==
7 7: a
7 8: X b c
8 8: d e
9 9: == adds + removes + adds ==
10 : a b c
11 : d e
10: a X b d
11: Y
12 12: == adds + removes + adds + removes ==
13 : a b
14 : c d e f g
13: X a Y b d
14: Z e
[EOF]
");
// 3: inline up to adds + removes + adds lines
insta::assert_snapshot!(render_diff(3, &[]), @r"
Modified regular file file1-single-line:
1 1: == adds ==
2 2: a X b Y Z c
3 3: == removes ==
4 4: a b c d e f g
5 5: == adds + removes ==
6 6: a X b c d e
7 7: == adds + removes + adds ==
8 8: a X b c d eY
9 9: == adds + removes + adds + removes ==
10 : a b c d e f g
10: X a Y b d Z e
Modified regular file file2-multiple-lines-in-single-hunk:
1 1: == adds; removes; adds + removes ==
2 2: a X b Y Z c
3 3: a b c d e f g
4 4: a X b c d e
5 5: == adds + removes + adds; adds + removes + adds + removes ==
6 : a b c d e
7 : a b c d e f g
6: a X b d Y
7: X a Y b d Z e
Modified regular file file3-changes-across-lines:
1 1: == adds ==
2 2: a X b
2 3: Y Z c
3 4: == removes ==
4 5: a b c d
5 5: e f g
6 6: == adds + removes ==
7 7: a
7 8: X b c
8 8: d e
9 9: == adds + removes + adds ==
10 10: a X b c
11 10: d e
11 11: Y
12 12: == adds + removes + adds + removes ==
13 : a b
14 : c d e f g
13: X a Y b d
14: Z e
[EOF]
");
// 4: inline up to adds + removes + adds + removes lines
insta::assert_snapshot!(render_diff(4, &[]), @r"
Modified regular file file1-single-line:
1 1: == adds ==
2 2: a X b Y Z c
3 3: == removes ==
4 4: a b c d e f g
5 5: == adds + removes ==
6 6: a X b c d e
7 7: == adds + removes + adds ==
8 8: a X b c d eY
9 9: == adds + removes + adds + removes ==
10 10: X a Y b c d Z e f g
Modified regular file file2-multiple-lines-in-single-hunk:
1 1: == adds; removes; adds + removes ==
2 2: a X b Y Z c
3 3: a b c d e f g
4 4: a X b c d e
5 5: == adds + removes + adds; adds + removes + adds + removes ==
6 6: a X b c d eY
7 7: X a Y b c d Z e f g
Modified regular file file3-changes-across-lines:
1 1: == adds ==
2 2: a X b
2 3: Y Z c
3 4: == removes ==
4 5: a b c d
5 5: e f g
6 6: == adds + removes ==
7 7: a
7 8: X b c
8 8: d e
9 9: == adds + removes + adds ==
10 10: a X b c
11 10: d e
11 11: Y
12 12: == adds + removes + adds + removes ==
13 13: X a Y b
14 13: c d
14 14: Z e f g
[EOF]
");
// context words in added/removed lines should be labeled as such
insta::assert_snapshot!(render_diff(2, &["--color=always"]), @r"
Modified regular file file1-single-line:
 1  1: == adds ==
 2  2: a X b Y Z c
 3  3: == removes ==
 4  4: a b c d e f g
 5  5: == adds + removes ==
 6  6: a X b c d e
 7  7: == adds + removes + adds ==
 8 : a b c d e
 8: a X b d Y
 9  9: == adds + removes + adds + removes ==
 10 : a b c d e f g
 10: X a Y b d Z e
Modified regular file file2-multiple-lines-in-single-hunk:
 1  1: == adds; removes; adds + removes ==
 2  2: a X b Y Z c
 3  3: a b c d e f g
 4  4: a X b c d e
 5  5: == adds + removes + adds; adds + removes + adds + removes ==
 6 : a b c d e
 7 : a b c d e f g
 6: a X b d Y
 7: X a Y b d Z e
Modified regular file file3-changes-across-lines:
 1  1: == adds ==
 2  2: a X b
 2  3: Y Z c
 3  4: == removes ==
 4  5: a b c d
 5  5: e f g
 6  6: == adds + removes ==
 7  7: a
 7  8: X b c
 8  8: d e
 9  9: == adds + removes + adds ==
 10 : a b c
 11 : d e
 10: a X b d
 11: Y
 12  12: == adds + removes + adds + removes ==
 13 : a b
 14 : c d e f g
 13: X a Y b d
 14: Z e
[EOF]
");
insta::assert_snapshot!(render_diff(2, &["--color=debug"]), @r"
<<diff header::Modified regular file file1-single-line:>>
<<diff removed line_number:: 1>><<diff:: >><<diff added line_number:: 1>><<diff::: == adds ==>>
<<diff removed line_number:: 2>><<diff:: >><<diff added line_number:: 2>><<diff::: a >><<diff added token::X >><<diff::b >><<diff added token::Y Z >><<diff::c>>
<<diff removed line_number:: 3>><<diff:: >><<diff added line_number:: 3>><<diff::: == removes ==>>
<<diff removed line_number:: 4>><<diff:: >><<diff added line_number:: 4>><<diff::: a >><<diff removed token::b >><<diff::c >><<diff removed token::d e >><<diff::f>><<diff removed token:: g>><<diff::>>
<<diff removed line_number:: 5>><<diff:: >><<diff added line_number:: 5>><<diff::: == adds + removes ==>>
<<diff removed line_number:: 6>><<diff:: >><<diff added line_number:: 6>><<diff::: a >><<diff added token::X >><<diff::b >><<diff removed token::c >><<diff::d>><<diff removed token:: e>><<diff::>>
<<diff removed line_number:: 7>><<diff:: >><<diff added line_number:: 7>><<diff::: == adds + removes + adds ==>>
<<diff removed line_number:: 8>><<diff:: : >><<diff removed::a b >><<diff removed token::c >><<diff removed::d >><<diff removed token::e>><<diff removed::>>
<<diff:: >><<diff added line_number:: 8>><<diff::: >><<diff added::a >><<diff added token::X >><<diff added::b d >><<diff added token::Y>><<diff added::>>
<<diff removed line_number:: 9>><<diff:: >><<diff added line_number:: 9>><<diff::: == adds + removes + adds + removes ==>>
<<diff removed line_number:: 10>><<diff:: : >><<diff removed::a b >><<diff removed token::c >><<diff removed::d e>><<diff removed token:: f g>><<diff removed::>>
<<diff:: >><<diff added line_number:: 10>><<diff::: >><<diff added token::X >><<diff added::a >><<diff added token::Y >><<diff added::b d >><<diff added token::Z >><<diff added::e>>
<<diff header::Modified regular file file2-multiple-lines-in-single-hunk:>>
<<diff removed line_number:: 1>><<diff:: >><<diff added line_number:: 1>><<diff::: == adds; removes; adds + removes ==>>
<<diff removed line_number:: 2>><<diff:: >><<diff added line_number:: 2>><<diff::: a >><<diff added token::X >><<diff::b >><<diff added token::Y Z >><<diff::c>>
<<diff removed line_number:: 3>><<diff:: >><<diff added line_number:: 3>><<diff::: a >><<diff removed token::b >><<diff::c >><<diff removed token::d e >><<diff::f>><<diff removed token:: g>><<diff::>>
<<diff removed line_number:: 4>><<diff:: >><<diff added line_number:: 4>><<diff::: a >><<diff added token::X >><<diff::b >><<diff removed token::c >><<diff::d>><<diff removed token:: e>><<diff::>>
<<diff removed line_number:: 5>><<diff:: >><<diff added line_number:: 5>><<diff::: == adds + removes + adds; adds + removes + adds + removes ==>>
<<diff removed line_number:: 6>><<diff:: : >><<diff removed::a b >><<diff removed token::c >><<diff removed::d >><<diff removed token::e>><<diff removed::>>
<<diff removed line_number:: 7>><<diff:: : >><<diff removed::a b >><<diff removed token::c >><<diff removed::d e>><<diff removed token:: f g>><<diff removed::>>
<<diff:: >><<diff added line_number:: 6>><<diff::: >><<diff added::a >><<diff added token::X >><<diff added::b d >><<diff added token::Y>><<diff added::>>
<<diff:: >><<diff added line_number:: 7>><<diff::: >><<diff added token::X >><<diff added::a >><<diff added token::Y >><<diff added::b d >><<diff added token::Z >><<diff added::e>>
<<diff header::Modified regular file file3-changes-across-lines:>>
<<diff removed line_number:: 1>><<diff:: >><<diff added line_number:: 1>><<diff::: == adds ==>>
<<diff removed line_number:: 2>><<diff:: >><<diff added line_number:: 2>><<diff::: a >><<diff added token::X >><<diff::b>><<diff added token::>>
<<diff removed line_number:: 2>><<diff:: >><<diff added line_number:: 3>><<diff::: >><<diff added token::Y Z>><<diff:: c>>
<<diff removed line_number:: 3>><<diff:: >><<diff added line_number:: 4>><<diff::: == removes ==>>
<<diff removed line_number:: 4>><<diff:: >><<diff added line_number:: 5>><<diff::: a >><<diff removed token::b >><<diff::c >><<diff removed token::d>>
<<diff removed line_number:: 5>><<diff:: >><<diff added line_number:: 5>><<diff::: >><<diff removed token::e >><<diff::f>><<diff removed token:: g>><<diff::>>
<<diff removed line_number:: 6>><<diff:: >><<diff added line_number:: 6>><<diff::: == adds + removes ==>>
<<diff removed line_number:: 7>><<diff:: >><<diff added line_number:: 7>><<diff::: a>><<diff added token::>>
<<diff removed line_number:: 7>><<diff:: >><<diff added line_number:: 8>><<diff::: >><<diff added token::X>><<diff:: b >><<diff removed token::c>>
<<diff removed line_number:: 8>><<diff:: >><<diff added line_number:: 8>><<diff::: d>><<diff removed token:: e>><<diff::>>
<<diff removed line_number:: 9>><<diff:: >><<diff added line_number:: 9>><<diff::: == adds + removes + adds ==>>
<<diff removed line_number:: 10>><<diff:: : >><<diff removed::a b >><<diff removed token::c>>
<<diff removed line_number:: 11>><<diff:: : >><<diff removed::d>><<diff removed token:: e>><<diff removed::>>
<<diff:: >><<diff added line_number:: 10>><<diff::: >><<diff added::a >><<diff added token::X >><<diff added::b d>><<diff added token::>>
<<diff:: >><<diff added line_number:: 11>><<diff::: >><<diff added token::Y>><<diff added::>>
<<diff removed line_number:: 12>><<diff:: >><<diff added line_number:: 12>><<diff::: == adds + removes + adds + removes ==>>
<<diff removed line_number:: 13>><<diff:: : >><<diff removed::a b>><<diff removed token::>>
<<diff removed line_number:: 14>><<diff:: : >><<diff removed token::c>><<diff removed:: d e>><<diff removed token:: f g>><<diff removed::>>
<<diff:: >><<diff added line_number:: 13>><<diff::: >><<diff added token::X >><<diff added::a >><<diff added token::Y >><<diff added::b d>><<diff added token::>>
<<diff:: >><<diff added line_number:: 14>><<diff::: >><<diff added token::Z>><<diff added:: e>>
[EOF]
");
}
#[test]
fn test_diff_missing_newline() {
let test_env = TestEnvironment::default();
test_env.run_jj_in(".", ["git", "init", "repo"]).success();
let work_dir = test_env.work_dir("repo");
work_dir.write_file("file1", "foo");
work_dir.write_file("file2", "foo\nbar");
work_dir.run_jj(["new"]).success();
work_dir.write_file("file1", "foo\nbar");
work_dir.write_file("file2", "foo");
let output = work_dir.run_jj(["diff"]);
insta::assert_snapshot!(output, @r"
Modified regular file file1:
1 1: foo
2: bar
Modified regular file file2:
1 1: foo
2 : bar
[EOF]
");
let output = work_dir.run_jj(["diff", "--git"]);
insta::assert_snapshot!(output, @r"
diff --git a/file1 b/file1
index 1910281566..a907ec3f43 100644
--- a/file1
+++ b/file1
@@ -1,1 +1,2 @@
-foo
\ No newline at end of file
+foo
+bar
\ No newline at end of file
diff --git a/file2 b/file2
index a907ec3f43..1910281566 100644
--- a/file2
+++ b/file2
@@ -1,2 +1,1 @@
-foo
-bar
\ No newline at end of file
+foo
\ No newline at end of file
[EOF]
");
let output = work_dir.run_jj(["diff", "--stat"]);
insta::assert_snapshot!(output, @r"
file1 | 3 ++-
file2 | 3 +--
2 files changed, 3 insertions(+), 3 deletions(-)
[EOF]
");
}
#[test]
fn test_color_words_diff_missing_newline() {
let test_env = TestEnvironment::default();
test_env.run_jj_in(".", ["git", "init", "repo"]).success();
let work_dir = test_env.work_dir("repo");
work_dir.write_file("file1", "");
work_dir.run_jj(["commit", "-m", "=== Empty"]).success();
work_dir.write_file("file1", "a\nb\nc\nd\ne\nf\ng\nh\ni");
work_dir
.run_jj(["commit", "-m", "=== Add no newline"])
.success();
work_dir.write_file("file1", "A\nb\nc\nd\ne\nf\ng\nh\ni");
work_dir
.run_jj(["commit", "-m", "=== Modify first line"])
.success();
work_dir.write_file("file1", "A\nb\nc\nd\nE\nf\ng\nh\ni");
work_dir
.run_jj(["commit", "-m", "=== Modify middle line"])
.success();
work_dir.write_file("file1", "A\nb\nc\nd\nE\nf\ng\nh\nI");
work_dir
.run_jj(["commit", "-m", "=== Modify last line"])
.success();
work_dir.write_file("file1", "A\nb\nc\nd\nE\nf\ng\nh\nI\n");
work_dir
.run_jj(["commit", "-m", "=== Append newline"])
.success();
work_dir.write_file("file1", "A\nb\nc\nd\nE\nf\ng\nh\nI");
work_dir
.run_jj(["commit", "-m", "=== Remove newline"])
.success();
work_dir.write_file("file1", "");
work_dir.run_jj(["commit", "-m", "=== Empty"]).success();
let output = work_dir.run_jj([
"log",
"-Tdescription",
"-pr::@-",
"--no-graph",
"--reversed",
]);
insta::assert_snapshot!(output, @r"
=== Empty
Added regular file file1:
(empty)
=== Add no newline
Modified regular file file1:
1: a
2: b
3: c
4: d
5: e
6: f
7: g
8: h
9: i
=== Modify first line
Modified regular file file1:
1 1: aA
2 2: b
3 3: c
4 4: d
...
=== Modify middle line
Modified regular file file1:
1 1: A
2 2: b
3 3: c
4 4: d
5 5: eE
6 6: f
7 7: g
8 8: h
9 9: i
=== Modify last line
Modified regular file file1:
...
6 6: f
7 7: g
8 8: h
9 9: iI
=== Append newline
Modified regular file file1:
...
6 6: f
7 7: g
8 8: h
9 9: I
=== Remove newline
Modified regular file file1:
...
6 6: f
7 7: g
8 8: h
9 9: I
=== Empty
Modified regular file file1:
1 : A
2 : b
3 : c
4 : d
5 : E
6 : f
7 : g
8 : h
9 : I
[EOF]
");
let output = work_dir.run_jj([
"log",
"--config=diff.color-words.max-inline-alternation=0",
"-Tdescription",
"-pr::@-",
"--no-graph",
"--reversed",
]);
insta::assert_snapshot!(output, @r"
=== Empty
Added regular file file1:
(empty)
=== Add no newline
Modified regular file file1:
1: a
2: b
3: c
4: d
5: e
6: f
7: g
8: h
9: i
=== Modify first line
Modified regular file file1:
1 : a
1: A
2 2: b
3 3: c
4 4: d
...
=== Modify middle line
Modified regular file file1:
1 1: A
2 2: b
3 3: c
4 4: d
5 : e
5: E
6 6: f
7 7: g
8 8: h
9 9: i
=== Modify last line
Modified regular file file1:
...
6 6: f
7 7: g
8 8: h
9 : i
9: I
=== Append newline
Modified regular file file1:
...
6 6: f
7 7: g
8 8: h
9 : I
9: I
=== Remove newline
Modified regular file file1:
...
6 6: f
7 7: g
8 8: h
9 : I
9: I
=== Empty
Modified regular file file1:
1 : A
2 : b
3 : c
4 : d
5 : E
6 : f
7 : g
8 : h
9 : I
[EOF]
");
}
#[test]
fn test_diff_ignore_whitespace() {
let test_env = TestEnvironment::default();
test_env.run_jj_in(".", ["git", "init", "repo"]).success();
let work_dir = test_env.work_dir("repo");
work_dir.write_file(
"file1",
indoc! {"
foo {
bar;
}
baz {}
"},
);
work_dir.run_jj(["new", "-minsert whitespace"]).success();
work_dir.write_file(
"file1",
indoc! {"
foo {
bar;
}
baz { }
"},
);
work_dir.run_jj(["new", "-mindent"]).success();
work_dir.write_file(
"file1",
indoc! {"
{
foo {
bar;
}
}
baz { }
"},
);
// Git diff as reference output
let output = work_dir.run_jj(["diff", "-r@-", "--git", "--ignore-all-space"]);
insta::assert_snapshot!(output, @r"
diff --git a/file1 b/file1
index f532aa68ad..d33445991b 100644
--- a/file1
+++ b/file1
[EOF]
");
let output = work_dir.run_jj(["diff", "--from=@--", "--git", "--ignore-all-space"]);
insta::assert_snapshot!(output, @r"
diff --git a/file1 b/file1
index f532aa68ad..033c4a6168 100644
--- a/file1
+++ b/file1
@@ -1,4 +1,6 @@
+{
foo {
bar;
}
+}
baz { }
[EOF]
");
let output = work_dir.run_jj(["diff", "--from=@--", "--git", "--ignore-space-change"]);
insta::assert_snapshot!(output, @r"
diff --git a/file1 b/file1
index f532aa68ad..033c4a6168 100644
--- a/file1
+++ b/file1
@@ -1,4 +1,6 @@
-foo {
+{
+ foo {
bar;
+ }
}
-baz {}
+baz { }
[EOF]
");
// Diff-stat should respects the whitespace options
let output = work_dir.run_jj(["diff", "-r@-", "--stat", "--ignore-all-space"]);
insta::assert_snapshot!(output, @r"
file1 | 0
1 file changed, 0 insertions(+), 0 deletions(-)
[EOF]
");
let output = work_dir.run_jj(["diff", "--from=@--", "--stat", "--ignore-all-space"]);
insta::assert_snapshot!(output, @r"
file1 | 2 ++
1 file changed, 2 insertions(+), 0 deletions(-)
[EOF]
");
let output = work_dir.run_jj(["diff", "--from=@--", "--stat", "--ignore-space-change"]);
insta::assert_snapshot!(output, @r"
file1 | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
[EOF]
");
// "..." is printed if contents differ only in whitespace
let output = work_dir.run_jj(["diff", "-r@-", "--color=always", "--ignore-all-space"]);
insta::assert_snapshot!(output, @r"
Modified regular file file1:
...
[EOF]
");
// Word-level changes are still highlighted
let output = work_dir.run_jj(["diff", "--from=@--", "--color=always", "--ignore-all-space"]);
insta::assert_snapshot!(output, @r"
Modified regular file file1:
 1: {
 1  2:  foo {
 2  3:  bar;
 3  4:  }
 5: }
 4  6: baz { }
[EOF]
");
let output = work_dir.run_jj([
"diff",
"--from=@--",
"--color=always",
"--ignore-space-change",
]);
insta::assert_snapshot!(output, @r"
Modified regular file file1:
 1: {
 1  2:  foo {
 2  3:  bar;
 4:  }
 3  5: }
 4  6: baz { }
[EOF]
");
}
#[test]
fn test_diff_skipped_context() {
let test_env = TestEnvironment::default();
test_env.run_jj_in(".", ["git", "init", "repo"]).success();
let work_dir = test_env.work_dir("repo");
work_dir.write_file("file1", "a\nb\nc\nd\ne\nf\ng\nh\ni\nj");
work_dir
.run_jj(["describe", "-m", "=== Left side of diffs"])
.success();
work_dir
.run_jj(["new", "@", "-m", "=== Must skip 2 lines"])
.success();
work_dir.write_file("file1", "A\nb\nc\nd\ne\nf\ng\nh\ni\nJ");
work_dir
.run_jj(["new", "@-", "-m", "=== Don't skip 1 line"])
.success();
work_dir.write_file("file1", "A\nb\nc\nd\ne\nf\ng\nh\nI\nj");
work_dir
.run_jj(["new", "@-", "-m", "=== No gap to skip"])
.success();
work_dir.write_file("file1", "a\nB\nc\nd\ne\nf\ng\nh\nI\nj");
work_dir
.run_jj(["new", "@-", "-m", "=== No gap to skip"])
.success();
work_dir.write_file("file1", "a\nb\nC\nd\ne\nf\ng\nh\nI\nj");
work_dir
.run_jj(["new", "@-", "-m", "=== 1 line at start"])
.success();
work_dir.write_file("file1", "a\nb\nc\nd\nE\nf\ng\nh\ni\nj");
work_dir
.run_jj(["new", "@-", "-m", "=== 1 line at end"])
.success();
work_dir.write_file("file1", "a\nb\nc\nd\ne\nF\ng\nh\ni\nj");
let output = work_dir.run_jj(["log", "-Tdescription", "-p", "--no-graph", "--reversed"]);
insta::assert_snapshot!(output, @r"
=== Left side of diffs
Added regular file file1:
1: a
2: b
3: c
4: d
5: e
6: f
7: g
8: h
9: i
10: j
=== Must skip 2 lines
Modified regular file file1:
1 1: aA
2 2: b
3 3: c
4 4: d
...
7 7: g
8 8: h
9 9: i
10 10: jJ
=== Don't skip 1 line
Modified regular file file1:
1 1: aA
2 2: b
3 3: c
4 4: d
5 5: e
6 6: f
7 7: g
8 8: h
9 9: iI
10 10: j
=== No gap to skip
Modified regular file file1:
1 1: a
2 2: bB
3 3: c
4 4: d
5 5: e
6 6: f
7 7: g
8 8: h
9 9: iI
10 10: j
=== No gap to skip
Modified regular file file1:
1 1: a
2 2: b
3 3: cC
4 4: d
5 5: e
6 6: f
7 7: g
8 8: h
9 9: iI
10 10: j
=== 1 line at start
Modified regular file file1:
1 1: a
2 2: b
3 3: c
4 4: d
5 5: eE
6 6: f
7 7: g
8 8: h
...
=== 1 line at end
Modified regular file file1:
...
3 3: c
4 4: d
5 5: e
6 6: fF
7 7: g
8 8: h
9 9: i
10 10: j
[EOF]
");
}
#[test]
fn test_diff_skipped_context_from_settings_color_words() {
let test_env = TestEnvironment::default();
test_env.run_jj_in(".", ["git", "init", "repo"]).success();
let work_dir = test_env.work_dir("repo");
test_env.add_config(
r#"
[diff.color-words]
context = 0
"#,
);
work_dir.write_file("file1", "a\nb\nc\nd\ne");
work_dir
.run_jj(["describe", "-m", "=== First commit"])
.success();
work_dir
.run_jj(["new", "@", "-m", "=== Must show 0 context"])
.success();
work_dir.write_file("file1", "a\nb\nC\nd\ne");
let output = work_dir.run_jj(["log", "-Tdescription", "-p", "--no-graph", "--reversed"]);
insta::assert_snapshot!(output, @r"
=== First commit
Added regular file file1:
1: a
2: b
3: c
4: d
5: e
=== Must show 0 context
Modified regular file file1:
...
3 3: cC
...
[EOF]
");
}
#[test]
fn test_diff_skipped_context_from_settings_git() {
let test_env = TestEnvironment::default();
test_env.run_jj_in(".", ["git", "init", "repo"]).success();
let work_dir = test_env.work_dir("repo");
test_env.add_config(
r#"
[diff.git]
context = 0
"#,
);
work_dir.write_file("file1", "a\nb\nc\nd\ne");
work_dir
.run_jj(["describe", "-m", "=== First commit"])
.success();
work_dir
.run_jj(["new", "@", "-m", "=== Must show 0 context"])
.success();
work_dir.write_file("file1", "a\nb\nC\nd\ne");
let output = work_dir.run_jj([
"log",
"-Tdescription",
"-p",
"--git",
"--no-graph",
"--reversed",
]);
insta::assert_snapshot!(output, @r"
=== First commit
diff --git a/file1 b/file1
new file mode 100644
index 0000000000..0fec236860
--- /dev/null
+++ b/file1
@@ -0,0 +1,5 @@
+a
+b
+c
+d
+e
\ No newline at end of file
=== Must show 0 context
diff --git a/file1 b/file1
index 0fec236860..b7615dae52 100644
--- a/file1
+++ b/file1
@@ -3,1 +3,1 @@
-c
+C
[EOF]
");
}
#[test]
fn test_diff_skipped_context_nondefault() {
let test_env = TestEnvironment::default();
test_env.run_jj_in(".", ["git", "init", "repo"]).success();
let work_dir = test_env.work_dir("repo");
work_dir.write_file("file1", "a\nb\nc\nd");
work_dir
.run_jj(["describe", "-m", "=== Left side of diffs"])
.success();
work_dir
.run_jj(["new", "@", "-m", "=== Must skip 2 lines"])
.success();
work_dir.write_file("file1", "A\nb\nc\nD");
work_dir
.run_jj(["new", "@-", "-m", "=== Don't skip 1 line"])
.success();
work_dir.write_file("file1", "A\nb\nC\nd");
work_dir
.run_jj(["new", "@-", "-m", "=== No gap to skip"])
.success();
work_dir.write_file("file1", "a\nB\nC\nd");
work_dir
.run_jj(["new", "@-", "-m", "=== 1 line at start"])
.success();
work_dir.write_file("file1", "a\nB\nc\nd");
work_dir
.run_jj(["new", "@-", "-m", "=== 1 line at end"])
.success();
work_dir.write_file("file1", "a\nb\nC\nd");
let output = work_dir.run_jj([
"log",
"-Tdescription",
"-p",
"--no-graph",
"--reversed",
"--context=0",
]);
insta::assert_snapshot!(output, @r"
=== Left side of diffs
Added regular file file1:
1: a
2: b
3: c
4: d
=== Must skip 2 lines
Modified regular file file1:
1 1: aA
...
4 4: dD
=== Don't skip 1 line
Modified regular file file1:
1 1: aA
2 2: b
3 3: cC
4 4: d
=== No gap to skip
Modified regular file file1:
1 1: a
2 2: bB
3 3: cC
4 4: d
=== 1 line at start
Modified regular file file1:
1 1: a
2 2: bB
...
=== 1 line at end
Modified regular file file1:
...
3 3: cC
4 4: d
[EOF]
");
}
#[test]
fn test_diff_leading_trailing_context() {
let test_env = TestEnvironment::default();
test_env.run_jj_in(".", ["git", "init", "repo"]).success();
let work_dir = test_env.work_dir("repo");
// N=5 context lines at start/end of the file
work_dir.write_file("file1", "1\n2\n3\n4\n5\nL\n6\n7\n8\n9\n10\n11\n");
work_dir.run_jj(["new"]).success();
work_dir.write_file("file1", "1\n2\n3\n4\n5\n6\nR\n7\n8\n9\n10\n11\n");
// N=5 <= num_context_lines + 1: No room to skip.
let output = work_dir.run_jj(["diff", "--context=4"]);
insta::assert_snapshot!(output, @r"
Modified regular file file1:
1 1: 1
2 2: 2
3 3: 3
4 4: 4
5 5: 5
6 : L
7 6: 6
7: R
8 8: 7
9 9: 8
10 10: 9
11 11: 10
12 12: 11
[EOF]
");
// N=5 <= 2 * num_context_lines + 1: The last hunk wouldn't be split if
// trailing diff existed.
let output = work_dir.run_jj(["diff", "--context=3"]);
insta::assert_snapshot!(output, @r"
Modified regular file file1:
...
3 3: 3
4 4: 4
5 5: 5
6 : L
7 6: 6
7: R
8 8: 7
9 9: 8
10 10: 9
...
[EOF]
");
// N=5 > 2 * num_context_lines + 1: The last hunk should be split no matter
// if trailing diff existed.
let output = work_dir.run_jj(["diff", "--context=1"]);
insta::assert_snapshot!(output, @r"
Modified regular file file1:
...
5 5: 5
6 : L
7 6: 6
7: R
8 8: 7
...
[EOF]
");
// N=5 <= num_context_lines: No room to skip.
let output = work_dir.run_jj(["diff", "--git", "--context=5"]);
insta::assert_snapshot!(output, @r"
diff --git a/file1 b/file1
index 1bf57dee4a..69b3e1865c 100644
--- a/file1
+++ b/file1
@@ -1,12 +1,12 @@
1
2
3
4
5
-L
6
+R
7
8
9
10
11
[EOF]
");
// N=5 <= 2 * num_context_lines: The last hunk wouldn't be split if
// trailing diff existed.
let output = work_dir.run_jj(["diff", "--git", "--context=3"]);
insta::assert_snapshot!(output, @r"
diff --git a/file1 b/file1
index 1bf57dee4a..69b3e1865c 100644
--- a/file1
+++ b/file1
@@ -3,8 +3,8 @@
3
4
5
-L
6
+R
7
8
9
[EOF]
");
// N=5 > 2 * num_context_lines: The last hunk should be split no matter
// if trailing diff existed.
let output = work_dir.run_jj(["diff", "--git", "--context=2"]);
insta::assert_snapshot!(output, @r"
diff --git a/file1 b/file1
index 1bf57dee4a..69b3e1865c 100644
--- a/file1
+++ b/file1
@@ -4,6 +4,6 @@
4
5
-L
6
+R
7
8
[EOF]
");
}
#[test]
fn test_diff_conflict_sides_differ() {
let test_env = TestEnvironment::default();
test_env.run_jj_in(".", ["git", "init", "repo"]).success();
let work_dir = test_env.work_dir("repo");
// Based on test_materialize_conflict_basic() in test_conflicts.rs
let base_content = indoc! {"
line 1
line 2
line 3
line 4
line 5
"};
let left1_content = indoc! {"
line 1
line 2
left 3.1
left 3.2
left 3.3
line 4
line 5
"};
let left2_content = indoc! {"
left 1.1
line 2
left 3.1
left 3.2
left 3.3
left 3.4
line 4
line 5
"};
let right1_content = indoc! {"
line 1
line 2
right 3.1
line 4
line 5
"};
let right2_content = indoc! {"
line 1
line 2
right 3.1
line 4
"};
let create_content_commit = |name: &str, parents: &[&str], content: &str| {
create_commit_with_files(&work_dir, name, parents, &[("file", content)]);
};
create_content_commit("base", &[], base_content);
create_content_commit("left1", &["base"], left1_content);
create_content_commit("left2", &["left1"], left2_content);
create_content_commit("right1", &["base"], right1_content);
create_content_commit("right2", &["right1"], right2_content);
create_commit_with_files(&work_dir, "left1+right1", &["left1", "right1"], &[]);
create_commit_with_files(&work_dir, "left2+right2", &["left2", "right2"], &[]);
// Test the setup. left2+right2 can be considered a modified version of
// left1+right1.
work_dir.run_jj(["new", "root()"]).success();
insta::assert_snapshot!(work_dir.run_jj(["log", "-r~@"]), @r"
× lylxulpl test.user@example.com 2001-02-03 08:05:20 left2+right2 bfccf5a2 conflict
├─╮ (empty) left2+right2
│ ○ znkkpsqq test.user@example.com 2001-02-03 08:05:17 right2 adb6aa86
│ │ right2
○ │ royxmykx test.user@example.com 2001-02-03 08:05:13 left2 f4ad65fd
│ │ left2
│ │ × kmkuslsw test.user@example.com 2001-02-03 08:05:18 left1+right1 8dbc225e conflict
╭─┬─╯ (empty) left1+right1
│ ○ vruxwmqv test.user@example.com 2001-02-03 08:05:15 right1 32bc5d06
│ │ right1
○ │ zsuskuln test.user@example.com 2001-02-03 08:05:11 left1 fd6e26af
├─╯ left1
○ rlvkpnrz test.user@example.com 2001-02-03 08:05:09 base 236ad5a8
│ base
◆ zzzzzzzz root() 00000000
[EOF]
");
// Diff of empty merge commit
let output = work_dir.run_jj(["diff", "--git", "-rleft1+right1"]);
insta::assert_snapshot!(output, @"");
let output = work_dir.run_jj(["diff", "--color=always", "-rleft1+right1"]);
insta::assert_snapshot!(output, @"");
let output = work_dir.run_jj([
"diff",
"--color=always",
"--config=diff.color-words.conflict=pair",
"-rleft1+right1",
]);
insta::assert_snapshot!(output, @"");
let diff_git_materialized = |from: &str, to: &str| {
work_dir.run_jj([
"diff",
"--git",
"--context=1",
&format!("--from={from}"),
&format!("--to={to}"),
])
};
let diff_color_words_materialized = |from: &str, to: &str| {
work_dir.run_jj([
"diff",
"--color=always",
"--context=1",
&format!("--from={from}"),
&format!("--to={to}"),
])
};
let diff_color_words_conflict_pair = |from: &str, to: &str| {
work_dir.run_jj([
"diff",
"--color=always",
"--context=1",
"--config=diff.color-words.conflict=pair",
&format!("--from={from}"),
&format!("--to={to}"),
])
};
// Diff from resolved to conflict
insta::assert_snapshot!(diff_git_materialized("base", "left1+right1"), @r"
diff --git a/file b/file
index 94c99a3280..0000000000 100644
--- a/file
+++ b/file
@@ -2,3 +2,11 @@
line 2
-line 3
+<<<<<<< Conflict 1 of 1
++++++++ Contents of side #1
+left 3.1
+left 3.2
+left 3.3
+%%%%%%% Changes from base to side #2
+-line 3
++right 3.1
+>>>>>>> Conflict 1 of 1 ends
line 4
[EOF]
");
insta::assert_snapshot!(diff_color_words_materialized("base", "left1+right1"), @r"
Created conflict in file:
 1  1: line 1
 2  2: line 2
 3: <<<<<<< Conflict 1 of 1
 4: +++++++ Contents of side #1
 5: left 3.1
 6: left 3.2
 7: left 3.3
 8: %%%%%%% Changes from base to side #2
 3  9: -line 3
 10: +right 3.1
 11: >>>>>>> Conflict 1 of 1 ends
 4  12: line 4
 5  13: line 5
[EOF]
");
insta::assert_snapshot!(diff_color_words_conflict_pair("base", "left1+right1"), @r"
Created conflict in file:
 1  1: line 1
 2  2: line 2
<<<<<<< Created conflict
+++++++ left side #1 to right side #1
 3  3: lineleft 3.1
 4: left 3.2
 3  5: left 3.3
------- left side #1 to right base #1
 3  3: line 3
+++++++ left side #1 to right side #2
 3  3: lineright 3.1
>>>>>>> Conflict ends
 4  6: line 4
 5  7: line 5
[EOF]
");
// Diff from conflict to resolved
insta::assert_snapshot!(diff_git_materialized("left1+right1", "base"), @r"
diff --git a/file b/file
index 0000000000..94c99a3280 100644
--- a/file
+++ b/file
@@ -2,11 +2,3 @@
line 2
-<<<<<<< Conflict 1 of 1
-+++++++ Contents of side #1
-left 3.1
-left 3.2
-left 3.3
-%%%%%%% Changes from base to side #2
--line 3
-+right 3.1
->>>>>>> Conflict 1 of 1 ends
+line 3
line 4
[EOF]
");
insta::assert_snapshot!(diff_color_words_materialized("left1+right1", "base"), @r"
Resolved conflict in file:
 1  1: line 1
 2  2: line 2
 3 : <<<<<<< Conflict 1 of 1
 4 : +++++++ Contents of side #1
 5 : left 3.1
 6 : left 3.2
 7 : left 3.3
 8 : %%%%%%% Changes from base to side #2
 9  3: -line 3
 10 : +right 3.1
 11 : >>>>>>> Conflict 1 of 1 ends
 12  4: line 4
 13  5: line 5
[EOF]
");
insta::assert_snapshot!(diff_color_words_conflict_pair("left1+right1", "base"), @r"
Resolved conflict in file:
 1  1: line 1
 2  2: line 2
<<<<<<< Resolved conflict
+++++++ left side #1 to right side #1
 3  3: leftline 3.1
 4 : left 3.2
 5  3: left 3.3
------- left base #1 to right side #1
 3  3: line 3
+++++++ left side #2 to right side #1
 3  3: rightline 3.1
>>>>>>> Conflict ends
 6  4: line 4
 7  5: line 5
[EOF]
");
// Diff between conflicts
insta::assert_snapshot!(diff_git_materialized("left1+right1", "left2+right2"), @r"
diff --git a/file b/file
--- a/file
+++ b/file
@@ -1,2 +1,2 @@
-line 1
+left 1.1
line 2
@@ -7,2 +7,3 @@
left 3.3
+left 3.4
%%%%%%% Changes from base to side #2
@@ -12,2 +13,1 @@
line 4
-line 5
[EOF]
");
insta::assert_snapshot!(diff_color_words_materialized("left1+right1", "left2+right2"), @r"
Modified conflict in file:
 1  1: lineleft 1.1
 2  2: line 2
...
 7  7: left 3.3
 8: left 3.4
 8  9: %%%%%%% Changes from base to side #2
...
 12  13: line 4
 13 : line 5
[EOF]
");
insta::assert_snapshot!(diff_color_words_conflict_pair("left1+right1", "left2+right2"), @r"
Modified conflict in file:
 1  1: lineleft 1.1
 2  2: line 2
<<<<<<< Modified conflict
+++++++ left side #1 to right side #1
...
 5  5: left 3.3
 6: left 3.4
------- left base #1 to right base #1
 3  3: line 3
+++++++ left side #2 to right side #2
 3  3: right 3.1
>>>>>>> Conflict ends
 6  7: line 4
 7 : line 5
[EOF]
");
}
#[test]
fn test_diff_conflict_bases_differ() {
let test_env = TestEnvironment::default();
test_env.run_jj_in(".", ["git", "init", "repo"]).success();
let work_dir = test_env.work_dir("repo");
// Based on test_materialize_conflict_basic() in test_conflicts.rs
//
// - "line1" differs between L1-B1+R1 and L2-B2+R2
// - "line5" and "line5.1" are deleted cleanly at L1-B1+R1 and L2-B2+R2
// respectively
let base1_content = indoc! {"
line 1
line 2
line 3
line 4
line 5
"};
let base2_content = indoc! {"
line 2
line 3.1
line 3.2
line 4
line 5.1
"};
let left1_content = indoc! {"
line 1
line 2
left 3.1
left 3.2
left 3.3
line 4
line 5
"};
let left2_content = indoc! {"
line 2
left 3.1
left 3.2
left 3.3
line 4
line 5.1
"};
let right1_content = indoc! {"
line 1
line 2
right 3.1
line 4
"};
let right2_content = indoc! {"
line 2
right 3.1
line 4
"};
let create_content_commit = |name: &str, parents: &[&str], content: &str| {
create_commit_with_files(&work_dir, name, parents, &[("file", content)]);
};
create_content_commit("base1", &[], base1_content);
create_content_commit("left1", &["base1"], left1_content);
create_content_commit("right1", &["base1"], right1_content);
create_content_commit("base2", &["base1"], base2_content);
create_content_commit("left2", &["base2"], left2_content);
create_content_commit("right2", &["base2"], right2_content);
create_commit_with_files(&work_dir, "left1+right1", &["left1", "right1"], &[]);
create_commit_with_files(&work_dir, "left2+right2", &["left2", "right2"], &[]);
// Test the setup. left2+right2 can be considered a rebased version of
// left1+right1.
work_dir.run_jj(["new", "root()"]).success();
insta::assert_snapshot!(work_dir.run_jj(["log", "-r~@"]), @r"
× nkmrtpmo test.user@example.com 2001-02-03 08:05:22 left2+right2 569df7b1 conflict
├─╮ (empty) left2+right2
│ ○ kmkuslsw test.user@example.com 2001-02-03 08:05:19 right2 d394320d
│ │ right2
○ │ znkkpsqq test.user@example.com 2001-02-03 08:05:17 left2 88cb6406
├─╯ left2
○ vruxwmqv test.user@example.com 2001-02-03 08:05:15 base2 bd2e8956
│ base2
│ × lylxulpl test.user@example.com 2001-02-03 08:05:20 left1+right1 5fbf08e0 conflict
│ ├─╮ (empty) left1+right1
│ │ ○ royxmykx test.user@example.com 2001-02-03 08:05:13 right1 a318e8b9
├───╯ right1
│ ○ zsuskuln test.user@example.com 2001-02-03 08:05:11 left1 40ab70b1
├─╯ left1
○ rlvkpnrz test.user@example.com 2001-02-03 08:05:09 base1 cffa4075
│ base1
◆ zzzzzzzz root() 00000000
[EOF]
");
let diff_git_materialized = |from: &str, to: &str| {
work_dir.run_jj([
"diff",
"--git",
"--context=1",
&format!("--from={from}"),
&format!("--to={to}"),
])
};
let diff_color_words_materialized = |from: &str, to: &str| {
work_dir.run_jj([
"diff",
"--color=always",
"--context=1",
&format!("--from={from}"),
&format!("--to={to}"),
])
};
let diff_color_words_conflict_pair = |from: &str, to: &str| {
work_dir.run_jj([
"diff",
"--color=always",
"--context=1",
"--config=diff.color-words.conflict=pair",
&format!("--from={from}"),
&format!("--to={to}"),
])
};
// Diff between conflicts
insta::assert_snapshot!(diff_git_materialized("left1+right1", "left2+right2"), @r"
diff --git a/file b/file
--- a/file
+++ b/file
@@ -1,2 +1,1 @@
-line 1
line 2
@@ -8,3 +7,4 @@
%%%%%%% Changes from base to side #2
--line 3
+-line 3.1
+-line 3.2
+right 3.1
[EOF]
");
insta::assert_snapshot!(diff_color_words_materialized("left1+right1", "left2+right2"), @r"
Modified conflict in file:
 1 : line 1
 2  1: line 2
...
 8  7: %%%%%%% Changes from base to side #2
 9  8: -line 3.1
 9  9: -line 3.2
 10  10: +right 3.1
...
[EOF]
");
insta::assert_snapshot!(diff_color_words_conflict_pair("left1+right1", "left2+right2"), @r"
Modified conflict in file:
 1 : line 1
 2  1: line 2
<<<<<<< Modified conflict
+++++++ left side #1 to right side #1
...
------- left base #1 to right base #1
 3  2: line 3.1
 3  3: line 3.2
+++++++ left side #2 to right side #2
 3  2: right 3.1
>>>>>>> Conflict ends
 6  5: line 4
[EOF]
");
}
#[test]
fn test_diff_conflict_three_sides() {
let test_env = TestEnvironment::default();
test_env.run_jj_in(".", ["git", "init", "repo"]).success();
let work_dir = test_env.work_dir("repo");
// Based on test_materialize_conflict_three_sides() in test_conflicts.rs
let base1_content = indoc! {"
line 1
line 2 base
line 5
"};
let base2_content = indoc! {"
line 1
line 2 base
line 3 base
line 4 base
line 5
"};
let side1_content = indoc! {"
line 1
line 2 a.1
line 3 a.2
line 4 base
line 5
"};
let side2_content = indoc! {"
line 1
line 2 b.1
line 3 base
line 4 b.2
line 5
"};
let side3_content = indoc! {"
line 1
line 2 base
line 3 c.2
line 5
"};
let create_content_commit = |name: &str, parents: &[&str], content: &str| {
create_commit_with_files(&work_dir, name, parents, &[("file", content)]);
};
// S1 S2 S3
// B2
// B1
create_content_commit("base1", &[], base1_content);
create_content_commit("base2", &["base1"], base2_content);
create_content_commit("side1", &["base2"], side1_content);
create_content_commit("side2", &["base2"], side2_content);
create_content_commit("side3", &["base1"], side3_content);
create_commit_with_files(&work_dir, "side1+side2", &["side1", "side2"], &[]);
create_commit_with_files(
&work_dir,
"side1+side2+side3",
&["side1+side2", "side3"],
&[],
);
// Test the setup
work_dir.run_jj(["new", "root()"]).success();
insta::assert_snapshot!(work_dir.run_jj(["log", "-r~@"]), @r"
× lylxulpl test.user@example.com 2001-02-03 08:05:20 side1+side2+side3 ba761075 conflict
├─╮ (empty) side1+side2+side3
│ ○ znkkpsqq test.user@example.com 2001-02-03 08:05:17 side3 7139f5ec
│ │ side3
× │ kmkuslsw test.user@example.com 2001-02-03 08:05:18 side1+side2 aa14223d conflict
├───╮ (empty) side1+side2
│ │ ○ vruxwmqv test.user@example.com 2001-02-03 08:05:15 side2 ddf45f8f
│ │ │ side2
○ │ │ royxmykx test.user@example.com 2001-02-03 08:05:13 side1 df4007a4
├───╯ side1
○ │ zsuskuln test.user@example.com 2001-02-03 08:05:11 base2 2c7ca1f2
├─╯ base2
○ rlvkpnrz test.user@example.com 2001-02-03 08:05:09 base1 cd7f3381
│ base1
◆ zzzzzzzz root() 00000000
[EOF]
");
insta::assert_snapshot!(work_dir.run_jj(["resolve", "-lrside1+side2"]), @r"
file 2-sided conflict
[EOF]
");
insta::assert_snapshot!(work_dir.run_jj(["resolve", "-lrside1+side2+side3"]), @r"
file 3-sided conflict
[EOF]
");
let diff_git_materialized = |from: &str, to: &str| {
work_dir.run_jj([
"diff",
"--git",
"--context=1",
&format!("--from={from}"),
&format!("--to={to}"),
])
};
let diff_color_words_materialized = |from: &str, to: &str| {
work_dir.run_jj([
"diff",
"--color=always",
"--context=1",
&format!("--from={from}"),
&format!("--to={to}"),
])
};
let diff_color_words_conflict_pair = |from: &str, to: &str| {
work_dir.run_jj([
"diff",
"--color=always",
"--context=1",
"--config=diff.color-words.conflict=pair",
&format!("--from={from}"),
&format!("--to={to}"),
])
};
// Diff between conflicts
insta::assert_snapshot!(diff_git_materialized("side1+side2", "side1+side2+side3"), @r"
diff --git a/file b/file
--- a/file
+++ b/file
@@ -2,3 +2,3 @@
<<<<<<< Conflict 1 of 1
-%%%%%%% Changes from base to side #1
+%%%%%%% Changes from base #1 to side #1
-line 2 base
@@ -12,2 +12,5 @@
line 4 b.2
+%%%%%%% Changes from base #2 to side #3
+ line 2 base
++line 3 c.2
>>>>>>> Conflict 1 of 1 ends
[EOF]
");
insta::assert_snapshot!(diff_color_words_materialized("side1+side2", "side1+side2+side3"), @r"
Modified conflict in file:
 1  1: line 1
 2  2: <<<<<<< Conflict 1 of 1
 3  3: %%%%%%% Changes from base #1 to side #1
 4  4: -line 2 base
...
 12  12: line 4 b.2
 13: %%%%%%% Changes from base #2 to side #3
 14:  line 2 base
 15: +line 3 c.2
 13  16: >>>>>>> Conflict 1 of 1 ends
 14  17: line 5
[EOF]
");
insta::assert_snapshot!(diff_color_words_conflict_pair("side1+side2", "side1+side2+side3"), @r"
Modified conflict in file:
 1  1: line 1
<<<<<<< Modified conflict
+++++++ left side #1 to right side #1
...
------- left base #1 to right base #1
...
+++++++ left side #2 to right side #2
...
------- left side #1 to right base #2
 2  2: line 2 a.1
 3 : line 3 a.2
 4  2: line 4 base
+++++++ left side #1 to right side #3
 2  2: line 2 a.1
 3 : line 3 a.2
 4  2: line 4 base
 3: line 3 c.2
>>>>>>> Conflict ends
 5  5: line 5
[EOF]
");
}
#[test]
fn test_diff_external_tool() {
let mut test_env = TestEnvironment::default();
let edit_script = test_env.set_up_fake_diff_editor();
test_env.run_jj_in(".", ["git", "init", "repo"]).success();
let work_dir = test_env.work_dir("repo");
work_dir.write_file("file1", "foo\n");
work_dir.write_file("file2", "foo\n");
work_dir.run_jj(["new"]).success();
work_dir.remove_file("file1");
work_dir.write_file("file2", "foo\nbar\n");
work_dir.write_file("file3", "foo\n");
// nonzero exit codes should print a warning
std::fs::write(&edit_script, "fail").unwrap();
let output = work_dir.run_jj(["diff", "--config=ui.diff.tool=fake-diff-editor"]);
let mut insta_settings = insta::Settings::clone_current();
insta_settings.add_filter("exit (status|code)", "<exit status>");
insta_settings.bind(|| {
insta::assert_snapshot!(output, @r"
------- stderr -------
Warning: Tool exited with <exit status>: 1 (run with --debug to see the exact invocation)
[EOF]
");
});
// nonzero exit codes should not print a warning if it's an expected exit code
std::fs::write(&edit_script, "fail").unwrap();
let output = work_dir.run_jj([
"diff",
"--tool",
"fake-diff-editor",
"--config=merge-tools.fake-diff-editor.diff-expected-exit-codes=[1]",
]);
insta::assert_snapshot!(output, @"");
std::fs::write(
&edit_script,
"print-files-before\0print --\0print-files-after",
)
.unwrap();
// diff without file patterns
insta::assert_snapshot!(work_dir.run_jj(["diff", "--tool=fake-diff-editor"]), @r"
file1
file2
--
file2
file3
[EOF]
");
// diff with file patterns
insta::assert_snapshot!(work_dir.run_jj(["diff", "--tool=fake-diff-editor", "file1"]), @r"
file1
--
[EOF]
");
insta::assert_snapshot!(work_dir.run_jj(["log", "-p", "--tool=fake-diff-editor"]), @r"
@ rlvkpnrz test.user@example.com 2001-02-03 08:05:09 39d9055d
│ (no description set)
│ file1
│ file2
│ --
│ file2
│ file3
○ qpvuntsm test.user@example.com 2001-02-03 08:05:08 0ad4ef22
│ (no description set)
│ --
│ file1
│ file2
◆ zzzzzzzz root() 00000000
--
[EOF]
");
insta::assert_snapshot!(work_dir.run_jj(["show", "--tool=fake-diff-editor"]), @r"
Commit ID: 39d9055d70873099fd924b9af218289d5663eac8
Change ID: rlvkpnrzqnoowoytxnquwvuryrwnrmlp
Author : Test User <test.user@example.com> (2001-02-03 08:05:09)
Committer: Test User <test.user@example.com> (2001-02-03 08:05:09)
(no description set)
file1
file2
--
file2
file3
[EOF]
");
// Enabled by default, looks up the merge-tools table
let config = "--config=ui.diff.tool=fake-diff-editor";
insta::assert_snapshot!(work_dir.run_jj(["diff", config]), @r"
file1
file2
--
file2
file3
[EOF]
");
// Inlined command arguments
let command_toml = to_toml_value(fake_diff_editor_path());
let config = format!("--config=ui.diff.tool=[{command_toml}, '$right', '$left']");
insta::assert_snapshot!(work_dir.run_jj(["diff", &config]), @r"
file2
file3
--
file1
file2
[EOF]
");
// Output of external diff tool shouldn't be escaped
std::fs::write(&edit_script, "print \x1b[1;31mred").unwrap();
insta::assert_snapshot!(work_dir.run_jj(["diff", "--color=always", "--tool=fake-diff-editor"]),
@r"
red
[EOF]
");
// Non-zero exit code isn't an error
std::fs::write(&edit_script, "print diff\0fail").unwrap();
let output = work_dir.run_jj(["show", "--tool=fake-diff-editor"]);
insta::assert_snapshot!(output.normalize_stderr_exit_status(), @r"
Commit ID: 39d9055d70873099fd924b9af218289d5663eac8
Change ID: rlvkpnrzqnoowoytxnquwvuryrwnrmlp
Author : Test User <test.user@example.com> (2001-02-03 08:05:09)
Committer: Test User <test.user@example.com> (2001-02-03 08:05:09)
(no description set)
diff
[EOF]
------- stderr -------
Warning: Tool exited with exit status: 1 (run with --debug to see the exact invocation)
[EOF]
");
// --tool=:builtin shouldn't be ignored
let output = work_dir.run_jj(["diff", "--tool=:builtin"]);
insta::assert_snapshot!(output.strip_stderr_last_line(), @r"
------- stderr -------
Error: Failed to generate diff
Caused by:
1: Error executing ':builtin' (run with --debug to see the exact invocation)
[EOF]
[exit status: 1]
");
}
#[test]
fn test_diff_external_file_by_file_tool() {
let mut test_env = TestEnvironment::default();
let edit_script = test_env.set_up_fake_diff_editor();
test_env.run_jj_in(".", ["git", "init", "repo"]).success();
let work_dir = test_env.work_dir("repo");
work_dir.write_file("file1", "file1\n");
work_dir.write_file("file2", "file2\n");
work_dir.run_jj(["new"]).success();
work_dir.remove_file("file1");
work_dir.write_file("file2", "file2\nfile2\n");
work_dir.write_file("file3", "file3\n");
work_dir.write_file("file4", "file1\n");
std::fs::write(
edit_script,
"print ==\0print-files-before\0print --\0print-files-after",
)
.unwrap();
// Enabled by default, looks up the merge-tools table
let configs: &[_] = &[
"--config=ui.diff.tool=fake-diff-editor",
"--config=merge-tools.fake-diff-editor.diff-invocation-mode=file-by-file",
];
// diff without file patterns
insta::assert_snapshot!(work_dir.run_jj_with(|cmd| cmd.arg("diff").args(configs)), @r"
==
file2
--
file2
==
file3
--
file3
==
file1
--
file4
[EOF]
");
// diff with file patterns
insta::assert_snapshot!(
work_dir.run_jj_with(|cmd| cmd.args(["diff", "file1"]).args(configs)), @r"
==
file1
--
file1
[EOF]
");
insta::assert_snapshot!(
work_dir.run_jj_with(|cmd| cmd.args(["log", "-p"]).args(configs)), @r"
@ rlvkpnrz test.user@example.com 2001-02-03 08:05:09 7b01704a
│ (no description set)
│ ==
│ file2
│ --
│ file2
│ ==
│ file3
│ --
│ file3
│ ==
│ file1
│ --
│ file4
○ qpvuntsm test.user@example.com 2001-02-03 08:05:08 6e485984
│ (no description set)
│ ==
│ file1
│ --
│ file1
│ ==
│ file2
│ --
│ file2
◆ zzzzzzzz root() 00000000
[EOF]
");
insta::assert_snapshot!(work_dir.run_jj_with(|cmd| cmd.arg("show").args(configs)), @r"
Commit ID: 7b01704a670bc77d11ed117d362855cff1d4513b
Change ID: rlvkpnrzqnoowoytxnquwvuryrwnrmlp
Author : Test User <test.user@example.com> (2001-02-03 08:05:09)
Committer: Test User <test.user@example.com> (2001-02-03 08:05:09)
(no description set)
==
file2
--
file2
==
file3
--
file3
==
file1
--
file4
[EOF]
");
}
#[cfg(unix)]
#[test]
fn test_diff_external_tool_symlink() {
let mut test_env = TestEnvironment::default();
let edit_script = test_env.set_up_fake_diff_editor();
test_env.run_jj_in(".", ["git", "init", "repo"]).success();
let work_dir = test_env.work_dir("repo");
let external_file_path = test_env.env_root().join("external-file");
std::fs::write(&external_file_path, "").unwrap();
let external_file_permissions = external_file_path.symlink_metadata().unwrap().permissions();
std::os::unix::fs::symlink("non-existent1", work_dir.root().join("dead")).unwrap();
std::os::unix::fs::symlink(&external_file_path, work_dir.root().join("file")).unwrap();
work_dir.run_jj(["new"]).success();
work_dir.remove_file("dead");
std::os::unix::fs::symlink("non-existent2", work_dir.root().join("dead")).unwrap();
work_dir.remove_file("file");
work_dir.write_file("file", "");
std::fs::write(
edit_script,
"print-files-before\0print --\0print-files-after",
)
.unwrap();
// Shouldn't try to change permission of symlinks
insta::assert_snapshot!(work_dir.run_jj(["diff", "--tool=fake-diff-editor"]), @r"
dead
file
--
dead
file
[EOF]
");
// External file should be intact
assert_eq!(
external_file_path.symlink_metadata().unwrap().permissions(),
external_file_permissions
);
}
#[test]
fn test_diff_external_tool_conflict_marker_style() {
let mut test_env = TestEnvironment::default();
let edit_script = test_env.set_up_fake_diff_editor();
test_env.run_jj_in(".", ["git", "init", "repo"]).success();
let work_dir = test_env.work_dir("repo");
let file_path = "file";
// Create a conflict
work_dir.write_file(
file_path,
indoc! {"
line 1
line 2
line 3
line 4
line 5
"},
);
work_dir.run_jj(["commit", "-m", "base"]).success();
work_dir.write_file(
file_path,
indoc! {"
line 1
line 2.1
line 2.2
line 3
line 4.1
line 5
"},
);
work_dir.run_jj(["describe", "-m", "side-a"]).success();
work_dir
.run_jj(["new", "description(base)", "-m", "side-b"])
.success();
work_dir.write_file(
file_path,
indoc! {"
line 1
line 2.3
line 3
line 4.2
line 4.3
line 5
"},
);
// Resolve one of the conflicts in the working copy
work_dir
.run_jj(["new", "description(side-a)", "description(side-b)"])
.success();
work_dir.write_file(
file_path,
indoc! {"
line 1
line 2.1
line 2.2
line 2.3
line 3
<<<<<<<
%%%%%%%
-line 4
+line 4.1
+++++++
line 4.2
line 4.3
>>>>>>>
line 5
"},
);
// Set up diff editor to use "snapshot" conflict markers
test_env.add_config(r#"merge-tools.fake-diff-editor.conflict-marker-style = "snapshot""#);
// We want to see whether the diff is using the correct conflict markers
std::fs::write(
&edit_script,
["files-before file", "files-after file", "dump file file"].join("\0"),
)
.unwrap();
let output = work_dir.run_jj(["diff", "--tool", "fake-diff-editor"]);
insta::assert_snapshot!(output, @"");
// Conflicts should render using "snapshot" format
insta::assert_snapshot!(
std::fs::read_to_string(test_env.env_root().join("file")).unwrap(), @r"
line 1
line 2.1
line 2.2
line 2.3
line 3
<<<<<<< Conflict 1 of 1
+++++++ Contents of side #1
line 4.1
------- Contents of base
line 4
+++++++ Contents of side #2
line 4.2
line 4.3
>>>>>>> Conflict 1 of 1 ends
line 5
");
}
#[test]
fn test_diff_stat() {
let test_env = TestEnvironment::default();
test_env.run_jj_in(".", ["git", "init", "repo"]).success();
let work_dir = test_env.work_dir("repo");
work_dir.write_file("file1", "foo\n");
let output = work_dir.run_jj(["diff", "--stat"]);
insta::assert_snapshot!(output, @r"
file1 | 1 +
1 file changed, 1 insertion(+), 0 deletions(-)
[EOF]
");
work_dir.run_jj(["new"]).success();
let output = work_dir.run_jj(["diff", "--stat"]);
insta::assert_snapshot!(output, @r"
0 files changed, 0 insertions(+), 0 deletions(-)
[EOF]
");
work_dir.write_file("file1", "foo\nbar\n");
work_dir.run_jj(["new"]).success();
work_dir.write_file("file1", "bar\n");
let output = work_dir.run_jj(["diff", "--stat"]);
insta::assert_snapshot!(output, @r"
file1 | 1 -
1 file changed, 0 insertions(+), 1 deletion(-)
[EOF]
");
}
#[test]
fn test_diff_stat_long_name_or_stat() {
let mut test_env = TestEnvironment::default();
test_env.add_env_var("COLUMNS", "30");
test_env.run_jj_in(".", ["git", "init", "repo"]).success();
let work_dir = test_env.work_dir("repo");
let get_stat = |work_dir: &TestWorkDir, path_length: usize, stat_size: usize| {
work_dir.run_jj(["new", "root()"]).success();
let ascii_name = "1234567890".chars().cycle().take(path_length).join("");
let han_name = "一二三四五六七八九十"
.chars()
.cycle()
.take(path_length)
.join("");
let content = "content line\n".repeat(stat_size);
work_dir.write_file(ascii_name, &content);
work_dir.write_file(han_name, &content);
work_dir.run_jj(["diff", "--stat"])
};
insta::assert_snapshot!(get_stat(&work_dir, 1, 1), @r"
1 | 1 +
一 | 1 +
2 files changed, 2 insertions(+), 0 deletions(-)
[EOF]
");
insta::assert_snapshot!(get_stat(&work_dir, 1, 10), @r"
1 | 10 ++++++++++
一 | 10 ++++++++++
2 files changed, 20 insertions(+), 0 deletions(-)
[EOF]
");
insta::assert_snapshot!(get_stat(&work_dir, 1, 100), @r"
1 | 100 +++++++++++++++++
一 | 100 +++++++++++++++++
2 files changed, 200 insertions(+), 0 deletions(-)
[EOF]
");
insta::assert_snapshot!(get_stat(&work_dir, 10, 1), @r"
1234567890 | 1 +
...五六七八九十 | 1 +
2 files changed, 2 insertions(+), 0 deletions(-)
[EOF]
");
insta::assert_snapshot!(get_stat(&work_dir, 10, 10), @r"
1234567890 | 10 +++++++
...六七八九十 | 10 +++++++
2 files changed, 20 insertions(+), 0 deletions(-)
[EOF]
");
insta::assert_snapshot!(get_stat(&work_dir, 10, 100), @r"
1234567890 | 100 ++++++
...六七八九十 | 100 ++++++
2 files changed, 200 insertions(+), 0 deletions(-)
[EOF]
");
insta::assert_snapshot!(get_stat(&work_dir, 50, 1), @r"
...901234567890 | 1 +
...五六七八九十 | 1 +
2 files changed, 2 insertions(+), 0 deletions(-)
[EOF]
");
insta::assert_snapshot!(get_stat(&work_dir, 50, 10), @r"
...01234567890 | 10 +++++++
...六七八九十 | 10 +++++++
2 files changed, 20 insertions(+), 0 deletions(-)
[EOF]
");
insta::assert_snapshot!(get_stat(&work_dir, 50, 100), @r"
...01234567890 | 100 ++++++
...六七八九十 | 100 ++++++
2 files changed, 200 insertions(+), 0 deletions(-)
[EOF]
");
// Lengths around where we introduce the ellipsis
insta::assert_snapshot!(get_stat(&work_dir, 13, 100), @r"
1234567890123 | 100 ++++++
...九十一二三 | 100 ++++++
2 files changed, 200 insertions(+), 0 deletions(-)
[EOF]
");
insta::assert_snapshot!(get_stat(&work_dir, 14, 100), @r"
12345678901234 | 100 ++++++
...十一二三四 | 100 ++++++
2 files changed, 200 insertions(+), 0 deletions(-)
[EOF]
");
insta::assert_snapshot!(get_stat(&work_dir, 15, 100), @r"
...56789012345 | 100 ++++++
...一二三四五 | 100 ++++++
2 files changed, 200 insertions(+), 0 deletions(-)
[EOF]
");
insta::assert_snapshot!(get_stat(&work_dir, 16, 100), @r"
...67890123456 | 100 ++++++
...二三四五六 | 100 ++++++
2 files changed, 200 insertions(+), 0 deletions(-)
[EOF]
");
// Very narrow terminal (doesn't have to fit, just don't crash)
test_env.add_env_var("COLUMNS", "10");
let work_dir = test_env.work_dir("repo");
insta::assert_snapshot!(get_stat(&work_dir, 10, 10), @r"
... | 10 ++
... | 10 ++
2 files changed, 20 insertions(+), 0 deletions(-)
[EOF]
");
test_env.add_env_var("COLUMNS", "3");
let work_dir = test_env.work_dir("repo");
insta::assert_snapshot!(get_stat(&work_dir, 10, 10), @r"
... | 10 ++
... | 10 ++
2 files changed, 20 insertions(+), 0 deletions(-)
[EOF]
");
insta::assert_snapshot!(get_stat(&work_dir, 3, 10), @r"
123 | 10 ++
... | 10 ++
2 files changed, 20 insertions(+), 0 deletions(-)
[EOF]
");
insta::assert_snapshot!(get_stat(&work_dir, 1, 10), @r"
1 | 10 ++
一 | 10 ++
2 files changed, 20 insertions(+), 0 deletions(-)
[EOF]
");
}
#[test]
fn test_diff_binary() {
let test_env = TestEnvironment::default();
test_env.run_jj_in(".", ["git", "init", "repo"]).success();
let work_dir = test_env.work_dir("repo");
work_dir.write_file("file1.png", b"\x89PNG\r\n\x1a\nabcdefg\0");
work_dir.write_file("file2.png", b"\x89PNG\r\n\x1a\n0123456\0");
work_dir.run_jj(["new"]).success();
work_dir.remove_file("file1.png");
work_dir.write_file("file2.png", "foo\nbar\n");
work_dir.write_file("file3.png", b"\x89PNG\r\n\x1a\nxyz\0");
// try a file that's valid UTF-8 but contains control characters
work_dir.write_file("file4.png", b"\0\0\0");
let output = work_dir.run_jj(["diff"]);
insta::assert_snapshot!(output, @r"
Removed regular file file1.png:
(binary)
Modified regular file file2.png:
(binary)
Added regular file file3.png:
(binary)
Added regular file file4.png:
(binary)
[EOF]
");
let output = work_dir.run_jj(["diff", "--git"]);
insta::assert_snapshot!(output, @r"
diff --git a/file1.png b/file1.png
deleted file mode 100644
index 2b65b23c22..0000000000
Binary files a/file1.png and /dev/null differ
diff --git a/file2.png b/file2.png
index 7f036ce788..3bd1f0e297 100644
Binary files a/file2.png and b/file2.png differ
diff --git a/file3.png b/file3.png
new file mode 100644
index 0000000000..deacfbc286
Binary files /dev/null and b/file3.png differ
diff --git a/file4.png b/file4.png
new file mode 100644
index 0000000000..4227ca4e87
Binary files /dev/null and b/file4.png differ
[EOF]
");
let output = work_dir.run_jj(["diff", "--stat"]);
insta::assert_snapshot!(output, @r"
file1.png | 3 ---
file2.png | 5 ++---
file3.png | 3 +++
file4.png | 1 +
4 files changed, 6 insertions(+), 6 deletions(-)
[EOF]
");
}
#[test]
fn test_diff_revisions() {
let test_env = TestEnvironment::default();
test_env.run_jj_in(".", ["git", "init", "repo"]).success();
let work_dir = test_env.work_dir("repo");
//
//
//
// E
// |\
// C D
// |/
// B
// |
// A
create_commit(&work_dir, "A", &[]);
create_commit(&work_dir, "B", &["A"]);
create_commit(&work_dir, "C", &["B"]);
create_commit(&work_dir, "D", &["B"]);
create_commit(&work_dir, "E", &["C", "D"]);
let diff_revisions = |expression: &str| -> CommandOutput {
work_dir.run_jj(["diff", "--name-only", "-r", expression])
};
// Can diff a single revision
insta::assert_snapshot!(diff_revisions("B"), @r"
B
[EOF]
");
// Can diff a merge
insta::assert_snapshot!(diff_revisions("E"), @r"
E
[EOF]
");
// A gap in the range is not allowed (yet at least)
insta::assert_snapshot!(diff_revisions("A|C"), @r"
------- stderr -------
Error: Cannot diff revsets with gaps in.
Hint: Revision 50c75fd767bf would need to be in the set.
[EOF]
[exit status: 1]
");
// Can diff a linear chain
insta::assert_snapshot!(diff_revisions("A::C"), @r"
A
B
C
[EOF]
");
// Can diff a chain with an internal merge
insta::assert_snapshot!(diff_revisions("B::E"), @r"
B
C
D
E
[EOF]
");
// Can diff a set with multiple roots
insta::assert_snapshot!(diff_revisions("C|D|E"), @r"
C
D
E
[EOF]
");
// Can diff a set with multiple heads
insta::assert_snapshot!(diff_revisions("B|C|D"), @r"
B
C
D
[EOF]
");
// Can diff a set with multiple root and multiple heads
insta::assert_snapshot!(diff_revisions("B|C"), @r"
B
C
[EOF]
");
}
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