Repository: yt-dlp/yt-dlp
File: test/test_websockets.py (Python)

Code before:
        def __init__(self, *args, **kwargs):
            class FakeResponse:
                body = b''
                headers = {}
                status_code = 101
                reason_phrase = 'test'

            self.response = FakeResponse()

        def send(self, *args, **kwargs):
            raise raised()

        def recv(self, *args, **kwargs):
            raise raised()

        def close(self, *args, **kwargs):
            return

    return FakeWsConnection()


@pytest.mark.parametrize('handler', ['Websockets'], indirect=True)
class TestWebsocketsRequestHandler:
    @pytest.mark.parametrize('raised,expected', [
        # https://websockets.readthedocs.io/en/stable/reference/exceptions.html
        (lambda: websockets.exceptions.InvalidURI(msg='test', uri='test://'), RequestError),
        # Requires a response object. Should be covered by HTTP error tests.
        # (websockets.exceptions.InvalidStatus, TransportError),
        (websockets.exceptions.InvalidHandshake, TransportError),
        # These are subclasses of InvalidHandshake
        (lambda: websockets.exceptions.InvalidHeader(name='test'), TransportError),
        (websockets.exceptions.NegotiationError, TransportError),
        # Catch-all
        (lambda: websockets.exceptions.WebSocketException, TransportError),
        (TimeoutError, TransportError),
        # These may be raised by our create_connection implementation, which should also be caught
        (OSError, TransportError),
        (ssl.SSLError, SSLError),
        (ssl.SSLCertVerificationError, CertificateVerifyError),
        (socks.ProxyError, ProxyError),
    ])
    def test_request_error_mapping(self, handler, monkeypatch, raised, expected):
        import websockets.sync.client

        import yt_dlp.networking._websockets
        with handler() as rh:
            def fake_connect(*args, **kwargs):
                raise raised()
            monkeypatch.setattr(yt_dlp.networking._websockets, 'create_connection', lambda *args, **kwargs: None)
            monkeypatch.setattr(websockets.sync.client, 'connect', fake_connect)
            with pytest.raises(expected) as exc_info:

Review comment (suggestion):
```suggestion
        # https://websockets.readthedocs.io/en/stable/reference/exceptions.html
        # ruff: disable[PLW0108] `websockets` may not be available
```

Code after:
        def __init__(self, *args, **kwargs):
            class FakeResponse:
                body = b''
                headers = {}
                status_code = 101
                reason_phrase = 'test'

            self.response = FakeResponse()

        def send(self, *args, **kwargs):
            raise raised()

        def recv(self, *args, **kwargs):
            raise raised()

        def close(self, *args, **kwargs):
            return

    return FakeWsConnection()


@pytest.mark.parametrize('handler', ['Websockets'], indirect=True)
class TestWebsocketsRequestHandler:
    # ruff: disable[PLW0108] `websockets` may not be available
    @pytest.mark.parametrize('raised,expected', [
        # https://websockets.readthedocs.io/en/stable/reference/exceptions.html
        (lambda: websockets.exceptions.InvalidURI(msg='test', uri='test://'), RequestError),
        # Requires a response object. Should be covered by HTTP error tests.
        # (lambda: websockets.exceptions.InvalidStatus(), TransportError),
        (lambda: websockets.exceptions.InvalidHandshake(), TransportError),
        # These are subclasses of InvalidHandshake
        (lambda: websockets.exceptions.InvalidHeader(name='test'), TransportError),
        (lambda: websockets.exceptions.NegotiationError(), TransportError),
        # Catch-all
        (lambda: websockets.exceptions.WebSocketException(), TransportError),
        (TimeoutError, TransportError),
        # These may be raised by our create_connection implementation, which should also be caught
        (OSError, TransportError),
        (ssl.SSLError, SSLError),
        (ssl.SSLCertVerificationError, CertificateVerifyError),
        (socks.ProxyError, ProxyError),
    ])
    # ruff: enable[PLW0108]
    def test_request_error_mapping(self, handler, monkeypatch, raised, expected):
        import websockets.sync.client

        import yt_dlp.networking._websockets
        with handler() as rh:
            def fake_connect(*args, **kwargs):
                raise raised()
            monkeypatch.setattr(yt_dlp.networking._websockets, 'create_connection', lambda *args, **kwargs: None)