copier/tests/helpers.py
Jairo Llopis c93ef75521 Fix wrong default choice
When updating a project, a choice answer never got a good default value. Now it's properly selected, and interactive behavior is tested.
2020-10-23 10:52:42 +00:00

80 lines
2.2 KiB
Python

import filecmp
import os
import sys
import textwrap
from enum import Enum
from hashlib import sha1
from pathlib import Path
from typing import Dict
from plumbum import local
from prompt_toolkit.input.ansi_escape_sequences import REVERSE_ANSI_SEQUENCES
from prompt_toolkit.keys import Keys
import copier
from copier.types import StrOrPath
PROJECT_TEMPLATE = Path(__file__).parent / "demo"
DATA = {
"py3": True,
"make_secret": lambda: sha1(os.urandom(48)).hexdigest(),
"myvar": "awesome",
"what": "world",
"project_name": "Copier",
"version": "2.0.0",
"description": "A library for rendering projects templates",
}
COPIER_CMD = local.get(
# Allow debugging in VSCode
# HACK https://github.com/microsoft/vscode-python/issues/14222
str(Path(sys.executable).parent / "copier.cmd"),
str(Path(sys.executable).parent / "copier"),
# Poetry installs the executable as copier.cmd in Windows
"copier.cmd",
"copier",
)
COPIER_PATH = str(COPIER_CMD.executable)
class Keyboard(str, Enum):
ControlH = REVERSE_ANSI_SEQUENCES[Keys.ControlH]
Enter = "\r"
Esc = REVERSE_ANSI_SEQUENCES[Keys.Escape]
Home = REVERSE_ANSI_SEQUENCES[Keys.Home]
End = REVERSE_ANSI_SEQUENCES[Keys.End]
Up = REVERSE_ANSI_SEQUENCES[Keys.Up]
Down = REVERSE_ANSI_SEQUENCES[Keys.Down]
Right = REVERSE_ANSI_SEQUENCES[Keys.Right]
Left = REVERSE_ANSI_SEQUENCES[Keys.Left]
# Equivalent keystrokes in terminals; see python-prompt-toolkit for
# further explanations
Alt = Esc
Backspace = ControlH
def render(tmp_path, **kwargs):
kwargs.setdefault("quiet", True)
copier.copy(str(PROJECT_TEMPLATE), tmp_path, data=DATA, **kwargs)
def assert_file(tmp_path, *path):
p1 = os.path.join(str(tmp_path), *path)
p2 = os.path.join(str(PROJECT_TEMPLATE), *path)
assert filecmp.cmp(p1, p2)
def build_file_tree(spec: Dict[StrOrPath, str], dedent: bool = True):
"""Builds a file tree based on the received spec."""
for path, contents in spec.items():
path = Path(path)
if dedent:
contents = textwrap.dedent(contents)
path.parent.mkdir(parents=True, exist_ok=True)
with path.open("w") as fd:
fd.write(contents)