import pytest from IPython.terminal.shortcuts.auto_suggest import ( accept, accept_in_vi_insert_mode, accept_token, accept_character, accept_word, accept_and_keep_cursor, discard, NavigableAutoSuggestFromHistory, swap_autosuggestion_up, swap_autosuggestion_down, ) from prompt_toolkit.history import InMemoryHistory from prompt_toolkit.buffer import Buffer from prompt_toolkit.document import Document from prompt_toolkit.auto_suggest import AutoSuggestFromHistory from unittest.mock import patch, Mock def make_event(text, cursor, suggestion): event = Mock() event.current_buffer = Mock() event.current_buffer.suggestion = Mock() event.current_buffer.text = text event.current_buffer.cursor_position = cursor event.current_buffer.suggestion.text = suggestion event.current_buffer.document = Document(text=text, cursor_position=cursor) return event @pytest.mark.parametrize( "text, suggestion, expected", [ ("", "def out(tag: str, n=50):", "def out(tag: str, n=50):"), ("def ", "out(tag: str, n=50):", "out(tag: str, n=50):"), ], ) def test_accept(text, suggestion, expected): event = make_event(text, len(text), suggestion) buffer = event.current_buffer buffer.insert_text = Mock() accept(event) assert buffer.insert_text.called assert buffer.insert_text.call_args[0] == (expected,) @pytest.mark.parametrize( "text, suggestion", [ ("", "def out(tag: str, n=50):"), ("def ", "out(tag: str, n=50):"), ], ) def test_discard(text, suggestion): event = make_event(text, len(text), suggestion) buffer = event.current_buffer buffer.insert_text = Mock() discard(event) assert not buffer.insert_text.called assert buffer.suggestion is None @pytest.mark.parametrize( "text, cursor, suggestion, called", [ ("123456", 6, "123456789", True), ("123456", 3, "123456789", False), ("123456 \n789", 6, "123456789", True), ], ) def test_autosuggest_at_EOL(text, cursor, suggestion, called): """ test that autosuggest is only applied at end of line. """ event = make_event(text, cursor, suggestion) event.current_buffer.insert_text = Mock() accept_in_vi_insert_mode(event) if called: event.current_buffer.insert_text.assert_called() else: event.current_buffer.insert_text.assert_not_called() # event.current_buffer.document.get_end_of_line_position.assert_called() @pytest.mark.parametrize( "text, suggestion, expected", [ ("", "def out(tag: str, n=50):", "def "), ("d", "ef out(tag: str, n=50):", "ef "), ("de ", "f out(tag: str, n=50):", "f "), ("def", " out(tag: str, n=50):", " "), ("def ", "out(tag: str, n=50):", "out("), ("def o", "ut(tag: str, n=50):", "ut("), ("def ou", "t(tag: str, n=50):", "t("), ("def out", "(tag: str, n=50):", "("), ("def out(", "tag: str, n=50):", "tag: "), ("def out(t", "ag: str, n=50):", "ag: "), ("def out(ta", "g: str, n=50):", "g: "), ("def out(tag", ": str, n=50):", ": "), ("def out(tag:", " str, n=50):", " "), ("def out(tag: ", "str, n=50):", "str, "), ("def out(tag: s", "tr, n=50):", "tr, "), ("def out(tag: st", "r, n=50):", "r, "), ("def out(tag: str", ", n=50):", ", n"), ("def out(tag: str,", " n=50):", " n"), ("def out(tag: str, ", "n=50):", "n="), ("def out(tag: str, n", "=50):", "="), ("def out(tag: str, n=", "50):", "50)"), ("def out(tag: str, n=5", "0):", "0)"), ("def out(tag: str, n=50", "):", "):"), ("def out(tag: str, n=50)", ":", ":"), ], ) def test_autosuggest_token(text, suggestion, expected): event = make_event(text, len(text), suggestion) event.current_buffer.insert_text = Mock() accept_token(event) assert event.current_buffer.insert_text.called assert event.current_buffer.insert_text.call_args[0] == (expected,) @pytest.mark.parametrize( "text, suggestion, expected", [ ("", "def out(tag: str, n=50):", "d"), ("d", "ef out(tag: str, n=50):", "e"), ("de ", "f out(tag: str, n=50):", "f"), ("def", " out(tag: str, n=50):", " "), ], ) def test_accept_character(text, suggestion, expected): event = make_event(text, len(text), suggestion) event.current_buffer.insert_text = Mock() accept_character(event) assert event.current_buffer.insert_text.called assert event.current_buffer.insert_text.call_args[0] == (expected,) @pytest.mark.parametrize( "text, suggestion, expected", [ ("", "def out(tag: str, n=50):", "def "), ("d", "ef out(tag: str, n=50):", "ef "), ("de", "f out(tag: str, n=50):", "f "), ("def", " out(tag: str, n=50):", " "), # (this is why we also have accept_token) ("def ", "out(tag: str, n=50):", "out(tag: "), ], ) def test_accept_word(text, suggestion, expected): event = make_event(text, len(text), suggestion) event.current_buffer.insert_text = Mock() accept_word(event) assert event.current_buffer.insert_text.called assert event.current_buffer.insert_text.call_args[0] == (expected,) @pytest.mark.parametrize( "text, suggestion, expected, cursor", [ ("", "def out(tag: str, n=50):", "def out(tag: str, n=50):", 0), ("def ", "out(tag: str, n=50):", "out(tag: str, n=50):", 4), ], ) def test_accept_and_keep_cursor(text, suggestion, expected, cursor): event = make_event(text, cursor, suggestion) buffer = event.current_buffer buffer.insert_text = Mock() accept_and_keep_cursor(event) assert buffer.insert_text.called assert buffer.insert_text.call_args[0] == (expected,) assert buffer.cursor_position == cursor def test_autosuggest_token_empty(): full = "def out(tag: str, n=50):" event = make_event(full, len(full), "") event.current_buffer.insert_text = Mock() with patch( "prompt_toolkit.key_binding.bindings.named_commands.forward_word" ) as forward_word: accept_token(event) assert not event.current_buffer.insert_text.called assert forward_word.called def test_other_providers(): """Ensure that swapping autosuggestions does not break with other providers""" provider = AutoSuggestFromHistory() up = swap_autosuggestion_up(provider) down = swap_autosuggestion_down(provider) event = Mock() event.current_buffer = Buffer() assert up(event) is None assert down(event) is None async def test_navigable_provider(): provider = NavigableAutoSuggestFromHistory() history = InMemoryHistory(history_strings=["very_a", "very", "very_b", "very_c"]) buffer = Buffer(history=history) async for _ in history.load(): pass buffer.cursor_position = 5 buffer.text = "very" up = swap_autosuggestion_up(provider) down = swap_autosuggestion_down(provider) 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" async def test_navigable_provider_multiline_entries(): provider = NavigableAutoSuggestFromHistory() history = InMemoryHistory(history_strings=["very_a\nvery_b", "very_c"]) buffer = Buffer(history=history) async for _ in history.load(): pass buffer.cursor_position = 5 buffer.text = "very" up = swap_autosuggestion_up(provider) down = swap_autosuggestion_down(provider) 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" up(event) assert get_suggestion().text == "_b" up(event) assert get_suggestion().text == "_a" down(event) assert get_suggestion().text == "_b" down(event) assert get_suggestion().text == "_c" def create_session_mock(): session = Mock() session.default_buffer = Buffer() return session def test_navigable_provider_connection(): provider = NavigableAutoSuggestFromHistory() provider.skip_lines = 1 session_1 = create_session_mock() provider.connect(session_1) assert provider.skip_lines == 1 session_1.default_buffer.on_text_insert.fire() assert provider.skip_lines == 0 session_2 = create_session_mock() provider.connect(session_2) provider.skip_lines = 2 assert provider.skip_lines == 2 session_2.default_buffer.on_text_insert.fire() assert provider.skip_lines == 0 provider.skip_lines = 3 provider.disconnect() session_1.default_buffer.on_text_insert.fire() session_2.default_buffer.on_text_insert.fire() assert provider.skip_lines == 3