mirror of
https://github.com/pre-commit/pre-commit.git
synced 2026-01-13 20:40:08 -06:00
87 lines
1.9 KiB
Python
87 lines
1.9 KiB
Python
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import mock
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import pytest
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import random
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import sys
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from plumbum import local
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from pre_commit.util import cached_property
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from pre_commit.util import entry
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from pre_commit.util import memoize_by_cwd
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@pytest.fixture
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def class_with_cached_property():
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class Foo(object):
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@cached_property
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def foo(self):
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return "Foo" + str(random.getrandbits(64))
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return Foo
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def test_cached_property(class_with_cached_property):
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instance = class_with_cached_property()
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val = instance.foo
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val2 = instance.foo
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assert val is val2
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def test_unbound_cached_property(class_with_cached_property):
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# Make sure we don't blow up when accessing the property unbound
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prop = class_with_cached_property.foo
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assert isinstance(prop, cached_property)
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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 local.cwd('.git'):
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ret2 = memoized_by_cwd('baz')
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assert ret != ret2
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@pytest.fixture
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def entry_func():
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@entry
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def func(argv):
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return argv
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return func
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def test_explicitly_passed_argv_are_passed(entry_func):
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input = object()
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ret = entry_func(input)
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assert ret is input
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def test_no_arguments_passed_uses_argv(entry_func):
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argv = [1, 2, 3, 4]
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with mock.patch.object(sys, 'argv', argv):
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ret = entry_func()
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assert ret == argv[1:]
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