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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2020-03-24 21:59:15 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2020-03-24 21:59:15 +0000 |
commit | 63fad53303381388673073de580a32088a4ef0fe (patch) | |
tree | a2c5c329ee5e79a220fac7e079283235fecc0cda /tests/util_test.py | |
parent | Initial commit. (diff) | |
download | pre-commit-63fad53303381388673073de580a32088a4ef0fe.tar.xz pre-commit-63fad53303381388673073de580a32088a4ef0fe.zip |
Adding upstream version 2.2.0.upstream/2.2.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tests/util_test.py')
-rw-r--r-- | tests/util_test.py | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/tests/util_test.py b/tests/util_test.py new file mode 100644 index 0000000..01afbd4 --- /dev/null +++ b/tests/util_test.py @@ -0,0 +1,122 @@ +import os.path +import stat +import subprocess + +import pytest + +from pre_commit.util import CalledProcessError +from pre_commit.util import clean_path_on_failure +from pre_commit.util import cmd_output +from pre_commit.util import cmd_output_b +from pre_commit.util import cmd_output_p +from pre_commit.util import make_executable +from pre_commit.util import parse_version +from pre_commit.util import rmtree +from pre_commit.util import tmpdir + + +def test_CalledProcessError_str(): + error = CalledProcessError(1, ('exe',), 0, b'output', b'errors') + assert str(error) == ( + "command: ('exe',)\n" + 'return code: 1\n' + 'expected return code: 0\n' + 'stdout:\n' + ' output\n' + 'stderr:\n' + ' errors' + ) + + +def test_CalledProcessError_str_nooutput(): + error = CalledProcessError(1, ('exe',), 0, b'', b'') + assert str(error) == ( + "command: ('exe',)\n" + 'return code: 1\n' + 'expected return code: 0\n' + 'stdout: (none)\n' + 'stderr: (none)' + ) + + +def test_clean_on_failure_noop(in_tmpdir): + with clean_path_on_failure('foo'): + pass + + +def test_clean_path_on_failure_does_nothing_when_not_raising(in_tmpdir): + with clean_path_on_failure('foo'): + os.mkdir('foo') + assert os.path.exists('foo') + + +def test_clean_path_on_failure_cleans_for_normal_exception(in_tmpdir): + class MyException(Exception): + pass + + with pytest.raises(MyException): + with clean_path_on_failure('foo'): + os.mkdir('foo') + raise MyException + + assert not os.path.exists('foo') + + +def test_clean_path_on_failure_cleans_for_system_exit(in_tmpdir): + class MySystemExit(SystemExit): + pass + + with pytest.raises(MySystemExit): + with clean_path_on_failure('foo'): + os.mkdir('foo') + raise MySystemExit + + assert not os.path.exists('foo') + + +def test_tmpdir(): + with tmpdir() as tempdir: + assert os.path.exists(tempdir) + assert not os.path.exists(tempdir) + + +def test_cmd_output_exe_not_found(): + ret, out, _ = cmd_output('dne', retcode=None) + assert ret == 1 + assert out == 'Executable `dne` not found' + + +@pytest.mark.parametrize('fn', (cmd_output_b, cmd_output_p)) +def test_cmd_output_exe_not_found_bytes(fn): + ret, out, _ = fn('dne', retcode=None, stderr=subprocess.STDOUT) + assert ret == 1 + assert out == b'Executable `dne` not found' + + +@pytest.mark.parametrize('fn', (cmd_output_b, cmd_output_p)) +def test_cmd_output_no_shebang(tmpdir, fn): + f = tmpdir.join('f').ensure() + make_executable(f) + + # previously this raised `OSError` -- the output is platform specific + ret, out, _ = fn(str(f), retcode=None, stderr=subprocess.STDOUT) + assert ret == 1 + assert isinstance(out, bytes) + assert out.endswith(b'\n') + + +def test_parse_version(): + assert parse_version('0.0') == parse_version('0.0') + assert parse_version('0.1') > parse_version('0.0') + assert parse_version('2.1') >= parse_version('2') + + +def test_rmtree_read_only_directories(tmpdir): + """Simulates the go module tree. See #1042""" + tmpdir.join('x/y/z').ensure_dir().join('a').ensure() + mode = os.stat(str(tmpdir.join('x'))).st_mode + mode_no_w = mode & ~(stat.S_IWUSR | stat.S_IWGRP | stat.S_IWOTH) + tmpdir.join('x/y/z').chmod(mode_no_w) + tmpdir.join('x/y/z').chmod(mode_no_w) + tmpdir.join('x/y/z').chmod(mode_no_w) + rmtree(str(tmpdir.join('x'))) |