Function test_navigable_provider

tests/test_shortcuts.py:263–312

()

@pytest.mark.asyncio
async def test_navigable_provider():
    provider = NavigableAutoSuggestFromHistory()
    history = InMemoryHistory(history_strings=["very_a", "very", "very_b", "very_c"])
    buffer = Buffer(history=history)
    ip = get_ipython()
    ip.auto_suggest = provider

    async for _ in history.load():
        pass

    buffer.cursor_position = 5
    buffer.text = "very"

    up = swap_autosuggestion_up
    down = swap_autosuggestion_down

    event = Mock()
    event.current_buffer = buffer

    def get_suggestion():
        suggestion = provider.get_suggestion(buffer, buffer.document)
        buffer.suggestion = suggestion
        return suggestion

    assert get_suggestion().text == "_c"

    # should go up
    up(event)
    assert get_suggestion().text == "_b"

    # should skip over 'very' which is identical to buffer content
    up(event)
    assert get_suggestion().text == "_a"

    # should cycle back to beginning
    up(event)
    assert get_suggestion().text == "_c"

    # should cycle back through end boundary
    down(event)
    assert get_suggestion().text == "_a"

    down(event)
    assert get_suggestion().text == "_b"

    down(event)
    assert get_suggestion().text == "_c"

    down(event)
    assert get_suggestion().text == "_a"


@pytest.mark.asyncio