@pytest.mark.mercurial
def test_freeze_mercurial_clone(script, tmpdir):
    # Returns path to a generated package called "version_pkg"
    pkg_version = _create_test_package(script, vcs='hg')

    result = script.run(
        'hg', 'clone', pkg_version, 'pip-test-package',
        expect_stderr=True,
    )
    repo_dir = script.scratch_path / 'pip-test-package'
    result = script.run(
        'python', 'setup.py', 'develop',
        cwd=repo_dir,
        expect_stderr=True,
    )
    result = script.pip('freeze', expect_stderr=True)
    expected = textwrap.dedent(
        """
            ...-e hg+...#egg=version_pkg
            ...
        """
    ).strip()
    _check_output(result.stdout, expected)

    result = script.pip(
        'freeze', '-f', '%s#egg=pip_test_package' % repo_dir,
        expect_stderr=True,
    )
    expected = textwrap.dedent(
        """
            -f %(repo)s#egg=pip_test_package...
            ...-e hg+...#egg=version_pkg
            ...
        """ % {'repo': repo_dir},
    ).strip()
    _check_output(result.stdout, expected)
Test freezing a Mercurial clone.
dataset/ETHPy150Open pypa/pip/tests/functional/test_freeze.py/test_freeze_mercurial_clone