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authorDaniel Baumann <daniel.baumann@progress-linux.org>2020-03-24 21:59:15 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2020-03-24 21:59:15 +0000
commit63fad53303381388673073de580a32088a4ef0fe (patch)
treea2c5c329ee5e79a220fac7e079283235fecc0cda /tests/util_test.py
parentInitial commit. (diff)
downloadpre-commit-upstream/2.2.0.tar.xz
pre-commit-upstream/2.2.0.zip
Adding upstream version 2.2.0.upstream/2.2.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--tests/util_test.py122
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')))