How to use testpath - 10 common examples

def test_install_requires_extra(deps, extras, installed):
    it = InstallTests()
    try:
        it.setUp()
        ins = Installer.from_ini_path(samples_dir / 'extras' / 'pyproject.toml', python='mock_python',
                        user=False, deps=deps, extras=extras)

        cmd = MockCommand('mock_python')
        get_reqs = (
            "#!{python}\n"
            "import sys\n"
            "with open({recording_file!r}, 'wb') as w, open(sys.argv[-1], 'rb') as r:\n"
            "    w.write(r.read())"
        ).format(python=sys.executable, recording_file=cmd.recording_file)
        cmd.content = get_reqs

        with cmd as mock_py:
            ins.install_requirements()
        with open(mock_py.recording_file) as f:
            str_deps = f.read()
        deps = str_deps.split('\n') if str_deps else []

        assert set(deps) == installed
    finally:

def test_get_files_list_git(copy_sample):
    td = copy_sample('module1_toml')
    (td / '.git').mkdir()

    builder = sdist.SdistBuilder.from_ini_path(td / 'pyproject.toml')
    with MockCommand('git', LIST_FILES_GIT):
        files = builder.select_files()

    assert set(files) == {
        'foo', pjoin('dir1', 'bar'), pjoin('dir1', 'subdir', 'qux'),
        pjoin('dir2', 'abc')
    }

def assert_calls(cmd, args=None):
    """Assert that a block of code runs the given command.
    
    If args is passed, also check that it was called at least once with the
    given arguments (not including the command name).
    
    Use as a context manager, e.g.::
    
        with assert_calls('git'):
            some_function_wrapping_git()
            
        with assert_calls('git', ['add', myfile]):
            some_other_function()
    """
    with MockCommand(cmd) as mc:
        yield
    
    calls = mc.get_calls()
    assert calls != [], "Command %r was not called" % cmd

    if args is not None:
        if not any(args == c['argv'][1:] for c in calls):
            msg = ["Command %r was not called with specified args (%r)" %
                            (cmd, args),
                   "It was called with these arguments: "]
            for c in calls:
                msg.append('  %r' % c['argv'][1:])
            raise AssertionError('\n'.join(msg))

def test_wheel_package(copy_sample):
    td = copy_sample('package1')
    make_wheel_in(td / 'flit.ini', td)
    assert_isfile(td / 'package1-0.1-py2.py3-none-any.whl')

def test_write_license():
    with TemporaryDirectory() as td:
        ib = init.IniterBase(td)
        ib.write_license('mit', 'Thomas Kluyver')
        assert_isfile(Path(td, 'LICENSE'))

def test_compression(tmp_path):
    info = make_wheel_in(samples_dir / 'module1_ini' / 'flit.ini', tmp_path)
    assert_isfile(info.file)
    with zipfile.ZipFile(str(info.file)) as zf:
        for name in [
            'module1.py',
            'module1-0.1.dist-info/METADATA',
        ]:
            assert zf.getinfo(name).compress_type == zipfile.ZIP_DEFLATED

def test_symlink_package(self):
        if os.name == 'nt':
            raise SkipTest("symlink")
        Installer.from_ini_path(samples_dir / 'package1' / 'pyproject.toml', symlink=True).install()
        assert_islink(self.tmpdir / 'site-packages' / 'package1',
                      to=samples_dir / 'package1' / 'package1')
        assert_isfile(self.tmpdir / 'scripts' / 'pkg_script')
        with (self.tmpdir / 'scripts' / 'pkg_script').open() as f:
            assert f.readline().strip() == "#!" + sys.executable
        self._assert_direct_url(
            samples_dir / 'package1', 'package1', '0.1', expected_editable=True
        )

def test_wheel_src_module(copy_sample):
    td = copy_sample('module3')
    make_wheel_in(td / 'flit.ini', td)

    whl_file = td / 'module3-0.1-py2.py3-none-any.whl'
    assert_isfile(whl_file)
    with unpack(whl_file) as unpacked:
        assert_isfile(Path(unpacked, 'module3.py'))
        assert_isdir(Path(unpacked, 'module3-0.1.dist-info'))
        assert_isfile(Path(unpacked, 'module3-0.1.dist-info', 'LICENSE'))

def _assert_direct_url(self, directory, package, version, expected_editable):
        direct_url_file = (
            self.tmpdir
            / 'site-packages'
            / '{}-{}.dist-info'.format(package, version)
            / 'direct_url.json'
        )
        assert_isfile(direct_url_file)
        with direct_url_file.open() as f:
            direct_url = json.load(f)
            assert direct_url['url'].startswith('file:///')
            assert direct_url['url'] == directory.as_uri()
            assert direct_url['dir_info'].get('editable') is expected_editable

def test_tomlify(copy_sample, monkeypatch):
    td = copy_sample('with_flit_ini')
    monkeypatch.chdir(td)

    tomlify.main(argv=[])

    pyproject_toml = (td / 'pyproject.toml')
    assert_isfile(pyproject_toml)

    with pyproject_toml.open(encoding='utf-8') as f:
        content = pytoml.load(f)

    assert 'build-system' in content
    assert 'tool' in content
    assert 'flit' in content['tool']
    flit_table = content['tool']['flit']
    assert 'metadata' in flit_table
    assert 'scripts' in flit_table
    assert 'entrypoints' in flit_table