imports: port tests to packagestest

I tried to introduce new modules where it made sense. I deleted the
weird goroot test because I removed the optimization it was testing in
an earlier CL.

Change-Id: I219ddaa4f462a4aeb640f62215d16f246511a5fe
Reviewed-on: https://go-review.googlesource.com/c/144497
Run-TryBot: Heschi Kreinick <heschi@google.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Heschi Kreinick 2018-10-22 17:56:19 -04:00
parent a2dc47679d
commit e74f1bd585
3 changed files with 261 additions and 226 deletions

View File

@ -27,7 +27,7 @@ import (
// └── golang.org // └── golang.org
// └── repob // └── repob
// └── b // └── b
// └── b.go // └── b.go
// GOPATH would be set to // GOPATH would be set to
// /sometemporarydirectory/repoa;/sometemporarydirectory/repob // /sometemporarydirectory/repoa;/sometemporarydirectory/repob
// and the working directory would be // and the working directory would be

View File

@ -932,15 +932,3 @@ func findImportStdlib(shortPkg string, symbols map[string]bool) (importPath stri
} }
return importPath, importPath != "" return importPath, importPath != ""
} }
// fileInDir reports whether the provided file path looks like
// it's in dir. (without hitting the filesystem)
func fileInDir(file, dir string) bool {
rest := strings.TrimPrefix(file, dir)
if len(rest) == len(file) {
// dir is not a prefix of file.
return false
}
// Check for boundary: either nothing (file == dir), or a slash.
return len(rest) == 0 || rest[0] == '/' || rest[0] == '\\'
}

View File

@ -7,13 +7,13 @@ package imports
import ( import (
"fmt" "fmt"
"go/build" "go/build"
"io/ioutil"
"os"
"path/filepath" "path/filepath"
"runtime" "runtime"
"strings" "strings"
"sync" "sync"
"testing" "testing"
"golang.org/x/tools/go/packages/packagestest"
) )
var tests = []struct { var tests = []struct {
@ -1122,17 +1122,30 @@ func TestSimpleCases(t *testing.T) {
// Skeleton non-stdlib packages for use during testing. // Skeleton non-stdlib packages for use during testing.
// Each includes one arbitrary symbol, e.g. the first declaration in the first file. // Each includes one arbitrary symbol, e.g. the first declaration in the first file.
// Try not to add more without a good reason. // Try not to add more without a good reason.
gopathFiles: map[string]string{ modules: []packagestest.Module{
"appengine/x.go": "package appengine\nfunc Main(){}\n", {
"appengine/datastore/x.go": "package datastore\nvar ErrInvalidEntityType error\n", Name: "appengine",
"rsc.io/p/x.go": "package p\nfunc P(){}\n", Files: fm{
"code.google.com/p/snappy-go/snappy/x.go": "package snappy\nvar ErrCorrupt error\n", "x.go": "package appengine\nfunc Main(){}\n",
"x/x.go": tt.in, "datastore/x.go": "package datastore\nvar ErrInvalidEntityType error\n",
},
},
{
Name: "rsc.io",
Files: fm{"p/x.go": "package p\nfunc P(){}\n"},
},
{
Name: "code.google.com/p/snappy-go",
Files: fm{"snappy/x.go": "package snappy\nvar ErrCorrupt error\n"},
},
{
Name: "golang.org/fake",
Files: fm{"x.go": tt.in},
},
}, },
}.processTest(t, "x/x.go", nil, options, tt.out) }.processTest(t, "golang.org/fake", "x.go", nil, options, tt.out)
}) })
} }
} }
func TestReadFromFilesystem(t *testing.T) { func TestReadFromFilesystem(t *testing.T) {
@ -1182,10 +1195,11 @@ func bar() {
Fragment: true, Fragment: true,
} }
testConfig{ testConfig{
gopathFiles: map[string]string{ module: packagestest.Module{
"x.go": tt.in, Name: "golang.org/fake",
Files: fm{"x.go": tt.in},
}, },
}.processTest(t, "x.go", nil, options, tt.out) }.processTest(t, "golang.org/fake", "x.go", nil, options, tt.out)
}) })
} }
@ -1210,7 +1224,8 @@ var (
import ( import (
"fmt" "fmt"
"x/mypkg"
"golang.org/fake/x/y/mypkg"
) )
var ( var (
@ -1220,13 +1235,16 @@ var (
` `
testConfig{ testConfig{
gopathFiles: map[string]string{ module: packagestest.Module{
"../target/f.go": "package mypkg\nvar Foo = 123\n", Name: "golang.org/fake",
"x/mypkg": "LINK:../../target", // valid symlink Files: fm{
"x/apkg": "LINK:..", // symlink loop "target/f.go": "package mypkg\nvar Foo = 123\n",
"myotherpackage/toformat.go": input, "x/y/mypkg": packagestest.Symlink("../../target"), // valid symlink
"x/y/apkg": packagestest.Symlink(".."), // symlink loop
"myotherpackage/toformat.go": input,
},
}, },
}.processTest(t, "myotherpackage/toformat.go", nil, nil, want) }.processTest(t, "golang.org/fake", "myotherpackage/toformat.go", nil, nil, want)
} }
func TestImportSymlinksWithIgnore(t *testing.T) { func TestImportSymlinksWithIgnore(t *testing.T) {
@ -1253,14 +1271,17 @@ var (
` `
testConfig{ testConfig{
gopathFiles: map[string]string{ module: packagestest.Module{
"../target/f.go": "package mypkg\nvar Foo = 123\n", Name: "golang.org/fake",
"x/mypkg": "LINK:../../target", // valid symlink Files: fm{
"x/apkg": "LINK:..", // symlink loop "target/f.go": "package mypkg\nvar Foo = 123\n",
"myotherpkg/toformat.go": input, "x/y/mypkg": packagestest.Symlink("../../target"), // valid symlink
".goimportsignore": "x/mypkg\n", "x/y/apkg": packagestest.Symlink(".."), // symlink loop
"myotherpkg/toformat.go": input,
"../../.goimportsignore": "golang.org/fake/x/y/mypkg\n",
},
}, },
}.processTest(t, "myotherpkg/toformat.go", nil, nil, want) }.processTest(t, "golang.org/fake", "myotherpkg/toformat.go", nil, nil, want)
} }
// Test for x/y/v2 convention for package y. // Test for x/y/v2 convention for package y.
@ -1280,10 +1301,11 @@ var (
` `
testConfig{ testConfig{
gopathFiles: map[string]string{ module: packagestest.Module{
"mypkg.com/outpkg/toformat.go": input, Name: "mypkg.com/outpkg",
Files: fm{"toformat.go": input},
}, },
}.processTest(t, "mypkg.com/outpkg/toformat.go", nil, nil, input) }.processTest(t, "mypkg.com/outpkg", "toformat.go", nil, nil, input)
} }
// Test for correctly identifying the name of a vendored package when it // Test for correctly identifying the name of a vendored package when it
@ -1305,11 +1327,14 @@ var (
) )
` `
testConfig{ testConfig{
gopathFiles: map[string]string{ module: packagestest.Module{
"mypkg.com/outpkg/vendor/mypkg.com/mypkg.v1/f.go": "package mypkg\nvar Foo = 123\n", Name: "mypkg.com/outpkg",
"mypkg.com/outpkg/toformat.go": input, Files: fm{
"vendor/mypkg.com/mypkg.v1/f.go": "package mypkg\nvar Foo = 123\n",
"toformat.go": input,
},
}, },
}.processTest(t, "mypkg.com/outpkg/toformat.go", nil, nil, input) }.processTest(t, "mypkg.com/outpkg", "toformat.go", nil, nil, input)
} }
func TestInternal(t *testing.T) { func TestInternal(t *testing.T) {
@ -1319,26 +1344,35 @@ var _ = race.Acquire
` `
const importAdded = `package bar const importAdded = `package bar
import "foo/internal/race" import "foo.com/internal/race"
var _ = race.Acquire var _ = race.Acquire
` `
// Packages under the same directory should be able to use internal packages. // Packages under the same directory should be able to use internal packages.
testConfig{ testConfig{
gopathFiles: map[string]string{ module: packagestest.Module{
"foo/internal/race/x.go": "package race\n func Acquire(){}\n", Name: "foo.com",
"foo/bar/x.go": input, Files: fm{
"internal/race/x.go": "package race\n func Acquire(){}\n",
"bar/x.go": input,
},
}, },
}.processTest(t, "foo/bar/x.go", nil, nil, importAdded) }.processTest(t, "foo.com", "bar/x.go", nil, nil, importAdded)
// Packages outside the same directory should not. // Packages outside the same directory should not.
testConfig{ testConfig{
gopathFiles: map[string]string{ modules: []packagestest.Module{
"foo/internal/race/x.go": "package race\n func Acquire(){}\n", {
"bar/x.go": input, Name: "foo.com",
Files: fm{"internal/race/x.go": "package race\n func Acquire(){}\n"},
},
{
Name: "bar.com",
Files: fm{"x.go": input},
},
}, },
}.processTest(t, "bar/x.go", nil, nil, input) }.processTest(t, "bar.com", "x.go", nil, nil, input)
} }
func TestProcessVendor(t *testing.T) { func TestProcessVendor(t *testing.T) {
@ -1353,11 +1387,14 @@ import "golang.org/x/net/http2/hpack"
var _ = hpack.HuffmanDecode var _ = hpack.HuffmanDecode
` `
testConfig{ testConfig{
gopathFiles: map[string]string{ module: packagestest.Module{
"vendor/golang.org/x/net/http2/hpack/huffman.go": "package hpack\nfunc HuffmanDecode() { }\n", Name: "foo.com",
"bar/x.go": input, Files: fm{
"vendor/golang.org/x/net/http2/hpack/huffman.go": "package hpack\nfunc HuffmanDecode() { }\n",
"bar/x.go": input,
},
}, },
}.processTest(t, "bar/x.go", nil, nil, want) }.processTest(t, "foo.com", "bar/x.go", nil, nil, want)
} }
func TestFindStdlib(t *testing.T) { func TestFindStdlib(t *testing.T) {
@ -1388,70 +1425,34 @@ func TestFindStdlib(t *testing.T) {
} }
type testConfig struct { type testConfig struct {
// goroot and gopath optionally specifies the path on disk module packagestest.Module
// to use for the GOROOT and GOPATH. If empty, a temp directory modules []packagestest.Module
// is made if needed.
goroot, gopath string
// gorootFiles optionally specifies the complete contents of GOROOT to use,
// If nil, the normal current $GOROOT is used.
gorootFiles map[string]string // paths relative to $GOROOT/src to contents
// gopathFiles is like gorootFiles, but for $GOPATH.
// If nil, there is no GOPATH, though.
gopathFiles map[string]string // paths relative to $GOPATH/src to contents
} }
func mustTempDir(t *testing.T, prefix string) string { // fm is the type for a packagestest.Module's Files, abbreviated for shorter lines.
t.Helper() type fm map[string]interface{}
dir, err := ioutil.TempDir("", prefix)
if err != nil {
t.Fatal(err)
}
return dir
}
func mapToDir(destDir string, files map[string]string) error {
for path, contents := range files {
file := filepath.Join(destDir, "src", path)
if err := os.MkdirAll(filepath.Dir(file), 0755); err != nil {
return err
}
var err error
if strings.HasPrefix(contents, "LINK:") {
err = os.Symlink(strings.TrimPrefix(contents, "LINK:"), file)
} else {
err = ioutil.WriteFile(file, []byte(contents), 0644)
}
if err != nil {
return err
}
}
return nil
}
func (c testConfig) test(t *testing.T, fn func(*goimportTest)) { func (c testConfig) test(t *testing.T, fn func(*goimportTest)) {
t.Helper() t.Helper()
goroot := c.goroot var exported *packagestest.Exported
gopath := c.gopath if c.module.Name != "" {
c.modules = []packagestest.Module{c.module}
if c.gorootFiles != nil && goroot == "" {
goroot = mustTempDir(t, "goroot-")
defer os.RemoveAll(goroot)
}
if err := mapToDir(goroot, c.gorootFiles); err != nil {
t.Fatal(err)
} }
if c.gopathFiles != nil && gopath == "" { exported = packagestest.Export(t, packagestest.GOPATH, c.modules)
gopath = mustTempDir(t, "gopath-") defer exported.Cleanup()
defer os.RemoveAll(gopath)
} env := make(map[string]string)
if err := mapToDir(gopath, c.gopathFiles); err != nil { for _, kv := range exported.Config.Env {
t.Fatal(err) split := strings.Split(kv, "=")
k, v := split[0], split[1]
env[k] = v
} }
goroot := env["GOROOT"]
gopath := env["GOPATH"]
scanOnce = sync.Once{} scanOnce = sync.Once{}
oldGOPATH := build.Default.GOPATH oldGOPATH := build.Default.GOPATH
@ -1466,40 +1467,47 @@ func (c testConfig) test(t *testing.T, fn func(*goimportTest)) {
build.Default.Compiler = oldCompiler build.Default.Compiler = oldCompiler
}() }()
if goroot != "" { build.Default.GOROOT = goroot
build.Default.GOROOT = goroot
}
build.Default.GOPATH = gopath build.Default.GOPATH = gopath
it := &goimportTest{ it := &goimportTest{
T: t, T: t,
goroot: build.Default.GOROOT, goroot: build.Default.GOROOT,
gopath: gopath, gopath: gopath,
ctx: &build.Default, ctx: &build.Default,
exported: exported,
} }
fn(it) fn(it)
} }
func (c testConfig) processTest(t *testing.T, file string, contents []byte, opts *Options, want string) { func (c testConfig) processTest(t *testing.T, module, file string, contents []byte, opts *Options, want string) {
t.Helper() t.Helper()
c.test(t, func(t *goimportTest) { c.test(t, func(t *goimportTest) {
t.Helper() t.Helper()
t.process(file, contents, opts, want) f := t.exported.File(module, file)
if f == "" {
t.Fatalf("%v not found in exported files (typo in filename?)", file)
}
t.process(f, contents, opts, want)
}) })
} }
type goimportTest struct { type goimportTest struct {
*testing.T *testing.T
ctx *build.Context ctx *build.Context
goroot string goroot string
gopath string gopath string
exported *packagestest.Exported
} }
func (t *goimportTest) process(file string, contents []byte, opts *Options, want string) { func (t *goimportTest) process(file string, contents []byte, opts *Options, want string) {
t.Helper() t.Helper()
buf, err := Process(filepath.Join(t.gopath, "src", file), contents, opts) if !filepath.IsAbs(file) {
file = filepath.Join(t.gopath, "src", file)
}
buf, err := Process(file, contents, opts)
if err != nil { if err != nil {
t.Fatal(err) t.Fatalf("Process() = %v", err)
} }
if string(buf) != want { if string(buf) != want {
t.Errorf("Got:\n%s\nWant:\n%s", buf, want) t.Errorf("Got:\n%s\nWant:\n%s", buf, want)
@ -1516,41 +1524,47 @@ func TestRenameWhenPackageNameMismatch(t *testing.T) {
const want = `package main const want = `package main
import bar "foo/bar/v1" import bar "foo.com/foo/bar/v1"
const Y = bar.X const Y = bar.X
` `
testConfig{ testConfig{
gopathFiles: map[string]string{ module: packagestest.Module{
"foo/bar/v1/x.go": "package bar \n const X = 1", Name: "foo.com",
"test/t.go": input, Files: fm{
"foo/bar/v1/x.go": "package bar \n const X = 1",
"test/t.go": input,
},
}, },
}.processTest(t, "test/t.go", nil, nil, want) }.processTest(t, "foo.com", "test/t.go", nil, nil, want)
} }
// Tests that the LocalPrefix option causes imports // Tests that the LocalPrefix option causes imports
// to be added into a later group (num=3). // to be added into a later group (num=3).
func TestLocalPrefix(t *testing.T) { func TestLocalPrefix(t *testing.T) {
tests := []struct { tests := []struct {
config testConfig modules []packagestest.Module
localPrefix string localPrefix string
src string src string
want string want string
}{ }{
{ {
config: testConfig{ modules: []packagestest.Module{
gopathFiles: map[string]string{ {
"foo/bar/bar.go": "package bar \n const X = 1", Name: "foo.com",
Files: fm{
"bar/bar.go": "package bar \n const X = 1",
},
}, },
}, },
localPrefix: "foo/", localPrefix: "foo.com/",
src: "package main \n const Y = bar.X \n const _ = runtime.GOOS", src: "package main \n const Y = bar.X \n const _ = runtime.GOOS",
want: `package main want: `package main
import ( import (
"runtime" "runtime"
"foo/bar" "foo.com/bar"
) )
const Y = bar.X const Y = bar.X
@ -1558,21 +1572,24 @@ const _ = runtime.GOOS
`, `,
}, },
{ {
config: testConfig{ modules: []packagestest.Module{
gopathFiles: map[string]string{ {
"foo/foo.go": "package foo \n const X = 1", Name: "foo.com",
"foo/bar/bar.go": "package bar \n const X = 1", Files: fm{
"foo/foo.go": "package foo \n const X = 1",
"foo/bar/bar.go": "package bar \n const X = 1",
},
}, },
}, },
localPrefix: "foo/", localPrefix: "foo.com/foo",
src: "package main \n const Y = bar.X \n const Z = foo.X \n const _ = runtime.GOOS", src: "package main \n const Y = bar.X \n const Z = foo.X \n const _ = runtime.GOOS",
want: `package main want: `package main
import ( import (
"runtime" "runtime"
"foo" "foo.com/foo"
"foo/bar" "foo.com/foo/bar"
) )
const Y = bar.X const Y = bar.X
@ -1581,14 +1598,21 @@ const _ = runtime.GOOS
`, `,
}, },
{ {
config: testConfig{ modules: []packagestest.Module{
gopathFiles: map[string]string{ {
"example.org/pkg/pkg.go": "package pkg \n const A = 1", Name: "example.org/pkg",
"foo/bar/bar.go": "package bar \n const B = 1", Files: fm{"pkg.go": "package pkg \n const A = 1"},
"code.org/r/p/expproj/expproj.go": "package expproj \n const C = 1", },
{
Name: "foo.com",
Files: fm{"bar/bar.go": "package bar \n const B = 1"},
},
{
Name: "code.org/r/p",
Files: fm{"expproj/expproj.go": "package expproj \n const C = 1"},
}, },
}, },
localPrefix: "example.org/pkg,foo/,code.org", localPrefix: "example.org/pkg,foo.com/,code.org",
src: "package main \n const X = pkg.A \n const Y = bar.B \n const Z = expproj.C \n const _ = runtime.GOOS", src: "package main \n const X = pkg.A \n const Y = bar.B \n const Z = expproj.C \n const _ = runtime.GOOS",
want: `package main want: `package main
@ -1597,7 +1621,7 @@ import (
"code.org/r/p/expproj" "code.org/r/p/expproj"
"example.org/pkg" "example.org/pkg"
"foo/bar" "foo.com/bar"
) )
const X = pkg.A const X = pkg.A
@ -1609,7 +1633,9 @@ const _ = runtime.GOOS
} }
for _, tt := range tests { for _, tt := range tests {
tt.config.test(t, func(t *goimportTest) { testConfig{
modules: tt.modules,
}.test(t, func(t *goimportTest) {
defer func(s string) { LocalPrefix = s }(LocalPrefix) defer func(s string) { LocalPrefix = s }(LocalPrefix)
LocalPrefix = tt.localPrefix LocalPrefix = tt.localPrefix
t.process("test/t.go", []byte(tt.src), nil, tt.want) t.process("test/t.go", []byte(tt.src), nil, tt.want)
@ -1625,18 +1651,21 @@ const Y = foo.X
` `
const want = `package x const want = `package x
import "foo" import "foo.com/foo"
const Y = foo.X const Y = foo.X
` `
testConfig{ testConfig{
gopathFiles: map[string]string{ module: packagestest.Module{
"foo/foo.go": "package foo\nconst X = 1\n", Name: "foo.com",
"foo/doc.go": "package documentation \n // just to confuse things\n", Files: fm{
"x/x.go": input, "foo/foo.go": "package foo\nconst X = 1\n",
"foo/doc.go": "package documentation \n // just to confuse things\n",
"x/x.go": input,
},
}, },
}.processTest(t, "x/x.go", nil, nil, want) }.processTest(t, "foo.com", "x/x.go", nil, nil, want)
} }
// Tests importPathToNameGoPathParse and in particular that it stops // Tests importPathToNameGoPathParse and in particular that it stops
@ -1645,11 +1674,14 @@ const Y = foo.X
// never make it that far). // never make it that far).
func TestImportPathToNameGoPathParse(t *testing.T) { func TestImportPathToNameGoPathParse(t *testing.T) {
testConfig{ testConfig{
gopathFiles: map[string]string{ module: packagestest.Module{
"example.net/pkg/doc.go": "package documentation\n", // ignored Name: "example.net/pkg",
"example.net/pkg/gen.go": "package main\n", // also ignored Files: fm{
"example.net/pkg/pkg.go": "package the_pkg_name_to_find\n and this syntax error is ignored because of parser.PackageClauseOnly", "doc.go": "package documentation\n", // ignored
"example.net/pkg/z.go": "package inconsistent\n", // inconsistent but ignored "gen.go": "package main\n", // also ignored
"pkg.go": "package the_pkg_name_to_find\n and this syntax error is ignored because of parser.PackageClauseOnly",
"z.go": "package inconsistent\n", // inconsistent but ignored
},
}, },
}.test(t, func(t *goimportTest) { }.test(t, func(t *goimportTest) {
got, err := importPathToNameGoPathParse("example.net/pkg", filepath.Join(t.gopath, "src", "other.net")) got, err := importPathToNameGoPathParse("example.net/pkg", filepath.Join(t.gopath, "src", "other.net"))
@ -1670,19 +1702,22 @@ const _ = pkg.X
` `
const want = `package x const want = `package x
import "otherwise-longer-so-worse.example.net/foo/pkg" import "foo.com/otherwise-longer-so-worse-example/foo/pkg"
const _ = pkg.X const _ = pkg.X
` `
testConfig{ testConfig{
gopathFiles: map[string]string{ module: packagestest.Module{
".goimportsignore": "# comment line\n\n example.net", // tests comment, blank line, whitespace trimming Name: "foo.com",
"example.net/pkg/pkg.go": "package pkg\nconst X = 1", Files: fm{
"otherwise-longer-so-worse.example.net/foo/pkg/pkg.go": "package pkg\nconst X = 1", "../.goimportsignore": "# comment line\n\n foo.com/example", // tests comment, blank line, whitespace trimming
"x/x.go": input, "example/pkg/pkg.go": "package pkg\nconst X = 1",
"otherwise-longer-so-worse-example/foo/pkg/pkg.go": "package pkg\nconst X = 1",
"x/x.go": input,
},
}, },
}.processTest(t, "x/x.go", nil, nil, want) }.processTest(t, "foo.com", "x/x.go", nil, nil, want)
} }
// Skip "node_modules" directory. // Skip "node_modules" directory.
@ -1693,43 +1728,21 @@ const _ = pkg.X
` `
const want = `package x const want = `package x
import "otherwise-longer.net/not_modules/pkg" import "foo.com/otherwise-longer/not_modules/pkg"
const _ = pkg.X const _ = pkg.X
` `
testConfig{ testConfig{
gopathFiles: map[string]string{ module: packagestest.Module{
"example.net/node_modules/pkg/a.go": "package pkg\nconst X = 1", Name: "foo.com",
"otherwise-longer.net/not_modules/pkg/a.go": "package pkg\nconst X = 1", Files: fm{
"x/x.go": input, "example/node_modules/pkg/a.go": "package pkg\nconst X = 1",
"otherwise-longer/not_modules/pkg/a.go": "package pkg\nconst X = 1",
"x/x.go": input,
},
}, },
}.processTest(t, "x/x.go", nil, nil, want) }.processTest(t, "foo.com", "x/x.go", nil, nil, want)
}
// golang.org/issue/16458 -- if GOROOT is a prefix of GOPATH, GOPATH is ignored.
func TestGoRootPrefixOfGoPath(t *testing.T) {
const input = `package x
const _ = foo.X
`
const want = `package x
import "example.com/foo"
const _ = foo.X
`
dir := mustTempDir(t, "importstest")
defer os.RemoveAll(dir)
testConfig{
goroot: filepath.Join(dir, "go"),
gopath: filepath.Join(dir, "gopath"),
gopathFiles: map[string]string{
"example.com/foo/pkg.go": "package foo\nconst X = 1",
"x/x.go": input,
},
}.processTest(t, "x/x.go", nil, nil, want)
} }
// Tests that package global variables with the same name and function name as // Tests that package global variables with the same name and function name as
@ -1755,11 +1768,14 @@ var time Time
` `
testConfig{ testConfig{
gopathFiles: map[string]string{ module: packagestest.Module{
"pkg/uses.go": usesGlobal, Name: "foo.com",
"pkg/global.go": declaresGlobal, Files: fm{
"pkg/uses.go": usesGlobal,
"pkg/global.go": declaresGlobal,
},
}, },
}.processTest(t, "pkg/uses.go", nil, nil, usesGlobal) }.processTest(t, "foo.com", "pkg/uses.go", nil, nil, usesGlobal)
} }
// Tests that sibling files - other files in the same package - can provide an // Tests that sibling files - other files in the same package - can provide an
@ -1804,11 +1820,14 @@ func LogSomethingElse() {
` `
testConfig{ testConfig{
gopathFiles: map[string]string{ module: packagestest.Module{
"p/needs_import.go": need, Name: "foo.com",
"p/provides_import.go": provide, Files: fm{
"p/needs_import.go": need,
"p/provides_import.go": provide,
},
}, },
}.processTest(t, "p/needs_import.go", nil, nil, want) }.processTest(t, "foo.com", "p/needs_import.go", nil, nil, want)
} }
func TestPkgIsCandidate(t *testing.T) { func TestPkgIsCandidate(t *testing.T) {
@ -1978,13 +1997,24 @@ var c = &config.SystemConfig{}
` `
testConfig{ testConfig{
gopathFiles: map[string]string{ modules: []packagestest.Module{
"config.net/config/config.go": "package config\n type SystemConfig struct {}", // Will match but should not be first choice {
"mycompany.net/config/config.go": "package config\n type SystemConfig struct {}", // Will match but should not be first choice Name: "config.net/config",
"mycompany.net/tool/config/config.go": "package config\n type SystemConfig struct {}", // Local package should be promoted over shorter package Files: fm{"config.go": "package config\n type SystemConfig struct {}"}, // Will match but should not be first choice
"mycompany.net/tool/main.go": input, },
{
Name: "mycompany.net/config",
Files: fm{"config.go": "package config\n type SystemConfig struct {}"}, // Will match but should not be first choice
},
{
Name: "mycompany.net/tool",
Files: fm{
"config/config.go": "package config\n type SystemConfig struct {}", // Local package should be promoted over shorter package
"main.go": input,
},
},
}, },
}.processTest(t, "mycompany.net/tool/main.go", nil, nil, want) }.processTest(t, "mycompany.net/tool", "main.go", nil, nil, want)
} }
// Tests FindImportInLocalGoFiles looks at the import lines for other Go files in the // Tests FindImportInLocalGoFiles looks at the import lines for other Go files in the
@ -2003,13 +2033,21 @@ import "bytes.net/bytes"
var _ = &bytes.Buffer{} var _ = &bytes.Buffer{}
` `
testConfig{ testConfig{
gopathFiles: map[string]string{ modules: []packagestest.Module{
"bytes.net/bytes/bytes.go": "package bytes\n type Buffer struct {}", // Should be selected over standard library {
"mycompany.net/tool/io.go": "package main\n import \"bytes.net/bytes\"\n var _ = &bytes.Buffer{}", // Contains package import that will cause stdlib to be ignored Name: "bytes.net/bytes",
"mycompany.net/tool/err.go": "package main\n import \"bogus.net/bytes\"\n var _ = &bytes.Buffer{}", // Contains import which is not resolved, so it is ignored Files: fm{"bytes.go": "package bytes\n type Buffer struct {}"}, // Should be selected over standard library
"mycompany.net/tool/main.go": input, },
{
Name: "mycompany.net/tool",
Files: fm{
"io.go": "package main\n import \"bytes.net/bytes\"\n var _ = &bytes.Buffer{}", // Contains package import that will cause stdlib to be ignored
"err.go": "package main\n import \"bogus.net/bytes\"\n var _ = &bytes.Buffer{}", // Contains import which is not resolved, so it is ignored
"main.go": input,
},
},
}, },
}.processTest(t, "mycompany.net/tool/main.go", nil, nil, want) }.processTest(t, "mycompany.net/tool", "main.go", nil, nil, want)
} }
func TestImportNoGoFiles(t *testing.T) { func TestImportNoGoFiles(t *testing.T) {
@ -2023,7 +2061,13 @@ import "bytes"
var _ = &bytes.Buffer{} var _ = &bytes.Buffer{}
` `
testConfig{}.processTest(t, "mycompany.net/tool/main.go", []byte(input), nil, want) buf, err := Process("mycompany.net/tool/main.go", []byte(input), nil)
if err != nil {
t.Fatalf("Process() = %v", err)
}
if string(buf) != want {
t.Errorf("Got:\n%s\nWant:\n%s", buf, want)
}
} }
// Ensures a token as large as 500000 bytes can be handled // Ensures a token as large as 500000 bytes can be handled
@ -2059,6 +2103,9 @@ const x = mypkg.Sprintf("%s", "my package")
` `
testConfig{ testConfig{
gopathFiles: map[string]string{"foo.go": input}, module: packagestest.Module{
}.processTest(t, "foo.go", nil, nil, want) Name: "foo.com",
Files: fm{"foo.go": input},
},
}.processTest(t, "foo.com", "foo.go", nil, nil, want)
} }