mirror of
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127 lines
3.1 KiB
Python
127 lines
3.1 KiB
Python
from __future__ import unicode_literals
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import os.path
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import random
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import pytest
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from pre_commit.util import CalledProcessError
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from pre_commit.util import clean_path_on_failure
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from pre_commit.util import cmd_output
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from pre_commit.util import memoize_by_cwd
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from pre_commit.util import parse_version
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from pre_commit.util import tmpdir
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from testing.util import cwd
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def test_CalledProcessError_str():
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error = CalledProcessError(
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1, [str('git'), str('status')], 0, (str('stdout'), str('stderr')),
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)
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assert str(error) == (
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"Command: ['git', 'status']\n"
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"Return code: 1\n"
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"Expected return code: 0\n"
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"Output: \n"
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" stdout\n"
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"Errors: \n"
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" stderr\n"
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)
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def test_CalledProcessError_str_nooutput():
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error = CalledProcessError(
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1, [str('git'), str('status')], 0, (str(''), str('')),
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)
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assert str(error) == (
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"Command: ['git', 'status']\n"
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"Return code: 1\n"
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"Expected return code: 0\n"
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"Output: (none)\n"
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"Errors: (none)\n"
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)
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@pytest.fixture
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def memoized_by_cwd():
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@memoize_by_cwd
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def func(arg):
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return arg + str(random.getrandbits(64))
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return func
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def test_memoized_by_cwd_returns_same_twice_in_a_row(memoized_by_cwd):
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ret = memoized_by_cwd('baz')
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ret2 = memoized_by_cwd('baz')
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assert ret is ret2
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def test_memoized_by_cwd_returns_different_for_different_args(memoized_by_cwd):
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ret = memoized_by_cwd('baz')
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ret2 = memoized_by_cwd('bar')
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assert ret.startswith('baz')
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assert ret2.startswith('bar')
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assert ret != ret2
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def test_memoized_by_cwd_changes_with_different_cwd(memoized_by_cwd):
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ret = memoized_by_cwd('baz')
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with cwd('.git'):
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ret2 = memoized_by_cwd('baz')
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assert ret != ret2
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def test_clean_on_failure_noop(in_tmpdir):
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with clean_path_on_failure('foo'):
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pass
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def test_clean_path_on_failure_does_nothing_when_not_raising(in_tmpdir):
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with clean_path_on_failure('foo'):
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os.mkdir('foo')
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assert os.path.exists('foo')
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def test_clean_path_on_failure_cleans_for_normal_exception(in_tmpdir):
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class MyException(Exception):
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pass
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with pytest.raises(MyException):
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with clean_path_on_failure('foo'):
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os.mkdir('foo')
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raise MyException
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assert not os.path.exists('foo')
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def test_clean_path_on_failure_cleans_for_system_exit(in_tmpdir):
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class MySystemExit(SystemExit):
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pass
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with pytest.raises(MySystemExit):
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with clean_path_on_failure('foo'):
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os.mkdir('foo')
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raise MySystemExit
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assert not os.path.exists('foo')
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def test_tmpdir():
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with tmpdir() as tempdir:
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assert os.path.exists(tempdir)
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assert not os.path.exists(tempdir)
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def test_cmd_output_exe_not_found():
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ret, out, _ = cmd_output('i-dont-exist', retcode=None)
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assert ret == 1
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assert out == 'Executable `i-dont-exist` not found'
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def test_parse_version():
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assert parse_version('0.0') == parse_version('0.0')
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assert parse_version('0.1') > parse_version('0.0')
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assert parse_version('2.1') >= parse_version('2')
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