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# pylint: disable=missing-function-docstring
"""Test for diff_cover.git_path"""
import pytest
from diff_cover.git_path import GitPathTool
@pytest.fixture(autouse=True)
def patch_git_path_tool(mocker):
mocker.patch.object(GitPathTool, "_root", None)
mocker.patch.object(GitPathTool, "_cwd", None)
@pytest.fixture
def process(mocker):
process_ = mocker.Mock()
process_.returncode = 0
return process_
@pytest.fixture(autouse=True)
def subprocess(mocker, process):
subprocess_ = mocker.patch("diff_cover.command_runner.subprocess")
popen_mock = subprocess_.Popen
popen_instance = popen_mock.return_value
popen_instance.__enter__.return_value = process
popen_instance.__exit__.return_value = None
return subprocess_
def test_project_root_command(process, subprocess):
process.communicate.return_value = (b"/phony/path", b"")
GitPathTool.set_cwd(b"/phony/path")
# Expect that the correct command was executed
expected = ["git", "rev-parse", "--show-toplevel", "--encoding=utf-8"]
subprocess.Popen.assert_called_with(
expected, stdout=subprocess.PIPE, stderr=subprocess.PIPE
)
def test_relative_path(process):
process.communicate.return_value = (b"/home/user/work/diff-cover", b"")
expected = "violations_reporter.py"
cwd = "/home/user/work/diff-cover/diff_cover"
GitPathTool.set_cwd(cwd)
path = GitPathTool.relative_path("diff_cover/violations_reporter.py")
# Expect relative path from diff_cover
assert path == expected
def test_absolute_path(process):
process.communicate.return_value = (
b"/home/user/work dir/diff-cover\n--encoding=utf-8\n",
b"",
)
expected = "/home/user/work dir/diff-cover/other_package/file.py"
cwd = "/home/user/work dir/diff-cover/diff_cover"
GitPathTool.set_cwd(cwd)
path = GitPathTool.absolute_path("other_package/file.py")
# Expect absolute path to file.py
assert path == expected
def test_set_cwd_unicode(process):
process.communicate.return_value = (b"\xe2\x94\xbb\xe2\x94\x81\xe2\x94\xbb", b"")
expected = "\u253b\u2501\u253b/other_package/file.py"
cwd = "\\u253b\\u2501\\u253b/diff_cover\n--encoding=utf-8\n"
GitPathTool.set_cwd(cwd)
path = GitPathTool.absolute_path("other_package/file.py")
# Expect absolute path to file.py
assert path == expected
def test_set_cwd_unicode_byte_passed_in_for_cwd(process):
process.communicate.return_value = (
b"\xe2\x94\xbb\xe2\x94\x81\xe2\x94\xbb\n--encoding=utf-8\n",
b"",
)
expected = "\u253b\u2501\u253b/other_package/file.py"
cwd = b"\\u253b\\u2501\\u253b/diff_cover"
GitPathTool.set_cwd(cwd)
path = GitPathTool.absolute_path("other_package/file.py")
# Expect absolute path to file.py
assert path == expected
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