def test_ensure_cache_exception_safety(mocked_cache):
cache_file = mocked_cache.join('test.txt')
with pytest.raises(BoomError):
rubyvenv.ensure_cache_file('test.txt', RaisesAfterSomeIO)
assert not cache_file.exists()
assert mocked_cache.join('tmp').listdir() == []
def test_ensure_cache_file_file_does_not_exist(mocked_cache):
cache_file = mocked_cache.join('test.txt')
ret = rubyvenv.ensure_cache_file('test.txt', _fileobj_func(b'bar'))
assert ret == cache_file.strpath
assert cache_file.read() == 'bar'
def test_ensure_cache_file_makes_directories(mocked_cache):
cache_file = mocked_cache.join('dir/test.txt')
ret = rubyvenv.ensure_cache_file('dir/test.txt', _fileobj_func(b'bar'))
assert ret == cache_file.strpath
assert cache_file.read() == 'bar'
def test_ensure_cache_file_file_exists(mocked_cache):
cache_file = mocked_cache.ensure_dir().join('test.txt')
cache_file.write('foo')
ret = rubyvenv.ensure_cache_file('test.txt', _fileobj_func(b'bar'))
assert ret == cache_file.strpath
assert cache_file.read() == 'foo'