A better mock for file I/O
A better mock for file I/O.
$ pip install mock-open
MockOpen class should work as a stand-in replacement for
some added features (though it tries to conform to how the builtin
open works where the two
Multiple file support, including a mapping-like access to file mocks by path:
from mock_open import MockOpen mock_open = MockOpen() mock_open["/path/to/file"].read_data = "Data from a fake file-like object" mock_open["/path/to/bad_file"].side_effect = IOError()
You can also configure behavior via the regular
mock_open = MockOpen() mock_open.return_value.write.side_effect = IOError()
Persistent file contents between calls to
with patch("builtins.open", MockOpen()): with open("/path/to/file", "w") as handle: handle.write("Some text") with open("/path/to/file", "r") as handle: assert "Some text" == handle.read()
All the regular file operations:
This library uses modified versions of tests from the CPython source code as part of its test suite. The original tests are licensed under the PSF license agreement and are copyright of the Python Software Foundation.
Download the file for your platform. If you're not sure which to choose, learn more about installing packages.
|Filename, size||File type||Python version||Upload date||Hashes|
|Filename, size mock-open-1.4.0.tar.gz (12.1 kB)||File type Source||Python version None||Upload date||Hashes View|