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How to use wait_for_function method in Playwright Python

Best Python code snippet using playwright-python

test_browser.py

Source:test_browser.py

...166                        host.click(pid(f"{result}"))167                    else:168                        host.click("text='Finished Reading!'")169                        for page in players.values():170                            page.wait_for_function(js_has_class("buzzer", "btn-success"))171                            assert "btn-success" in page.locator(pid("buzzer")).get_attribute("class")172                        # Get the _round_status:173                        #  - 0 -> The first player to buzz gets the correct answer174                        #  - 1 -> The second player to buzz gets the correct answer175                        #  - 2 -> The third player to buzz  gets the correct answer176                        #  - 3 -> No player gets the correct answer (the host dimisses)177                        _round_status = random.choice(range(4))178                        # No one answered179                        if _round_status == 3:180                            host.click("text='Dismiss'")181                            for page in players.values():182                                page.wait_for_function(js_has_class("buzzer", "btn-danger"))183                                assert "btn-success" not in page.locator(pid("buzzer")).get_attribute("class")184                                assert "disabled btn-danger" in page.locator(pid("buzzer")).get_attribute("class")185                        else:186                            guess_order = random.sample(list(players.items()), k=len(players))187                            for index, (name, page) in enumerate(guess_order):188                                for (other_name, other_page) in guess_order[:index]:189                                    assert "btn-success" not in other_page.locator(pid("buzzer")).get_attribute(190                                        "class"191                                    )192                                    assert "disabled btn-danger" in other_page.locator(pid("buzzer")).get_attribute(193                                        "class"194                                    )195                                page.click(pid("buzzer"))196                                host.wait_for_function(js_id_equality("player", name))197                                assert host.locator(pid("player")).text_content().strip() == name198                                if index != _round_status:199                                    host.click(pid("incorrect_response"))200                                else:201                                    host.click(pid("correct_response"))202                                    break203                    host.wait_for_timeout(200)204                    for name, page in players.items():205                        player_score = int(page.locator(pid("score")).text_content().strip())206                        board_score = int(board.locator(pid(alex.safe_name(name))).text_content().strip())207                        assert player_score == board_score208            host.locator(pid("round_transition")).wait_for(state="visible")209            host.click(pid("start_next_round"))210            host.wait_for_load_state()211            board.wait_for_load_state()212        host.locator(pid("get_wager")).wait_for(state="visible")213        host.click(pid("get_wager"))214        assert not page.locator(pid("show_0")).is_visible()215        reveal_prep = dict()216        for name, page in players.items():217            assert "btn-success" not in host.locator(pid(alex.safe_name(name))).get_attribute("class")218            assert "btn-danger" in host.locator(pid(alex.safe_name(name))).get_attribute("class")219            bg_score = int(page.locator(pid("score")).text_content().strip())220            fg_score = int(page.locator(f"{pid('wager_amount')} >> .score").text_content().strip())221            assert bg_score == fg_score222            wager = (max(fg_score, 1000) // 100) * 100223            page.fill(pid("wager_value"), str(wager))224            page.click("text='Submit!'")225            host.wait_for_function(js_has_class(alex.safe_name(name), "btn-success"))226            assert "btn-success" in host.locator(pid(alex.safe_name(name))).get_attribute("class")227            assert "btn-danger" not in host.locator(pid(alex.safe_name(name))).get_attribute("class")228            reveal_prep[name] = {"pre": fg_score, "wager": wager}229        host.locator(pid("show_0")).wait_for(state="visible")230        host.locator(pid("get_questions")).wait_for(state="visible")231        host.click(pid("get_questions"))232        for name, page in players.items():233            assert "btn-success" not in host.locator(pid(alex.safe_name(name))).get_attribute("class")234            assert "btn-danger" in host.locator(pid(alex.safe_name(name))).get_attribute("class")235            page.fill(pid("question_value"), f"{name}'s answer")236            page.click("text='Submit!'")237            host.wait_for_function(js_has_class(alex.safe_name(name), "btn-success"))238            assert "btn-success" in host.locator(pid(alex.safe_name(name))).get_attribute("class")239            assert "btn-danger" not in host.locator(pid(alex.safe_name(name))).get_attribute("class")240        host.locator(pid("show_responses")).wait_for(state="visible")241        host.click(pid("show_responses"))242        host.locator(pid("final_reveal")).wait_for(state="visible")243        for (name, scoring) in sorted(reveal_prep.items(), key=lambda k: k[1]["pre"]):244            for screen in (host, board):245                host.wait_for_function(js_id_equality("player", name))246                assert screen.locator(pid("player")).text_content() == name247                assert screen.locator(pid("question")).text_content() == f"{name}'s answer"248                assert int(screen.locator(pid("score")).text_content().strip()) == scoring["pre"]249            result = random.choice([("correct_fj", 1), ("incorrect_fj", -1)])250            host.click(pid(f"{result[0]}"))251            final_score = scoring["pre"] + (scoring["wager"] * result[1])252            reveal_prep[name]["final"] = final_score253            assert int(host.locator(pid("amount")).text_content().strip()) == scoring["wager"]254            assert int(host.locator(pid("final_score")).text_content().strip()) == final_score255            assert int(players[name].locator(pid("score")).text_content().strip()) == final_score256            host.click(pid("next"))257        winner = sorted(reveal_prep.items(), key=lambda k: k[1]["final"])[-1]258        for page in (host, board, players[winner[0]]):259            page.wait_for_function("document.location.pathname.indexOf('results') > 0")260            assert page.url.endswith("/results/")261        for page in players.values():...

exists.py

Source:exists.py

...36@do(NvimIO[bool])37def command_exists_not(name: str) -> Do:38    exists = yield command_exists(name)39    return not exists40def wait_for_function(name: str, timeout: int=30, **kw: Any) -> NvimIO[None]:41    return wait_until_valid(name, function_exists, timeout=timeout, desc='appear', **kw)42def wait_for_function_undef(name: str, timeout: int=30) -> NvimIO[None]:43    return wait_until_valid(name, function_exists_not, timeout)44def wait_for_command(name: str, timeout: int=30) -> NvimIO[None]:45    return wait_until_valid(name, command_exists, timeout=timeout, desc='appear')46@do(NvimIO[A])47def command_once_defined(name: str, *args: str, timeout: int=30, verbose: bool=False) -> Do:48    yield wait_for_command(name, timeout=timeout)49    yield nvim_command(name, *args, params=NRParams.cons(verbose=verbose, sync=False))50@do(NvimIO[A])51def call_once_defined(name: str, *args: str, timeout: int=10) -> Do:52    yield wait_for_function(name, timeout=timeout)53    yield nvim_call_function(name, *args)54def wait_until_function_produces(55        target: Any,56        name: str,57        *args: str,58        timeout: int=10,59        interval: float=None,60) -> NvimIO[A]:61    return nvimio_repeat_timeout(62        lambda: N.recover_failure(nvim_call_function(name, *args), N.pure),63        lambda a: a == target,64        f'{name} did not produce `{target}` within {timeout} seconds',65        timeout,66        interval,...

main.py

Source:main.py

...10from odinsynth.rulegen import RuleGeneration11from odinsynth.index import IndexedCorpus12def quit_function():13    thread.interrupt_main()14def wait_for_function(seconds: int, func, *args, **kwargs):15    """16    Tries to return a random surface rule, unless it runs out of time.17    """18    timer = threading.Timer(seconds, quit_function)19    timer.start()20    try:21        return func(*args, **kwargs)22    except KeyboardInterrupt:23        return None24    finally:25        timer.cancel()26def validate_query(query):27    if query is None:28        return False29    if isinstance(query, RepeatSurface) and query.min == 0:30        # e.g. [word=car]?31        return False32    if (isinstance(query, TokenSurface)33        and isinstance(query.constraint, NotConstraint)34        and isinstance(query.constraint.constraint, FieldConstraint)):35        # e.g. [!word=car]36        return False37    return True38if __name__ == '__main__':39    # command line arguments40    parser = argparse.ArgumentParser()41    parser.add_argument('--out-dir', type=Path)42    parser.add_argument('--data-dir', type=Path, default=Path('/media/data1/odinsynth'))43    parser.add_argument('--mini-data-dir', type=Path, default=Path('/media/data1/odinsynth-mini'))44    parser.add_argument('--hybrid', action='store_true')45    parser.add_argument('--num-queries', type=int, default=10)46    parser.add_argument('--num-matches', type=int, default=100)47    args = parser.parse_args()48    # ensure output dir exists49    if not args.out_dir.exists():50        args.out_dir.mkdir()51    # start system52    gw = OdinsonGateway.launch(javaopts=['-Xmx10g'])53    gen = RuleGeneration.from_data_dir(args.mini_data_dir, gw)54    gen_rule = gen.random_hybrid_rule if args.hybrid else gen.random_surface_rule55    corpus = IndexedCorpus.from_data_dir(args.data_dir, gw)56    # generate queries57    for i in range(args.num_queries):58        print(f'{i+1}/{args.num_queries}')59        print('  generating random query')60        query = gen_rule()61        print('  query:', query)62        if not validate_query(query):63            print('  rejected')64            continue65        print('  searching')66        data = wait_for_function(5, corpus.get_results, query, args.num_matches)67        if data is None:68            print('  timeout')69            continue70        print(f'  {data["num_matches"]} sentences found')71        if data['num_matches'] > 0:72            print('  saving results')73            with open(args.out_dir/f'query_{uuid.uuid4()}.json', 'w') as f:...

test_slider_action.py

Source:test_slider_action.py

...33    page.wait_for_selector("#slider1")34    page.fill("#slider1 input", "20")35    function_evaluated = True36    try:37        page.wait_for_function("document.querySelector('#text1').innerText !== '10'")38    except Exception as e:39        function_evaluated = False40        logging.getLogger().debug(f"Function evaluation timeout.\n{e}")41    if function_evaluated:42        text1_2 = page.query_selector("#text1")43        assert text1_2.inner_text() == "20"44@pytest.mark.teste2e45def test_slider_action_on_change(page: "Page", gui: Gui, helpers):46    d = {"v1": 10, "v2": 10}47    def on_change(state, var, val):48        if var == "d.v2":49            d = {"v1": 2 * val, "v2": val}50            state.d.update(d)51    page_md = """52Value: <|{d.v1}|id=text1|>53Slider: <|{d.v2}|slider|id=slider1|>54"""55    gui._set_frame(inspect.currentframe())56    gui.add_page(name="test", page=page_md)57    helpers.run_e2e(gui)58    page.goto("/test")59    page.expect_websocket()60    page.wait_for_selector("#text1")61    text1 = page.query_selector("#text1")62    assert text1.inner_text() == "10"63    page.wait_for_selector("#slider1")64    page.fill("#slider1 input", "20")65    function_evaluated = True66    try:67        page.wait_for_function("document.querySelector('#text1').innerText !== '10'")68    except Exception as e:69        function_evaluated = False70        logging.getLogger().debug(f"Function evaluation timeout.\n{e}")71    if function_evaluated:72        text1_2 = page.query_selector("#text1")...

Playwright tutorial

LambdaTest’s Playwright tutorial will give you a broader idea about the Playwright automation framework, its unique features, and use cases with examples to exceed your understanding of Playwright testing. This tutorial will give A to Z guidance, from installing the Playwright framework to some best practices and advanced concepts.

Chapters:

What is Playwright : Playwright is comparatively new but has gained good popularity. Get to know some history of the Playwright with some interesting facts connected with it.
How To Install Playwright : Learn in detail about what basic configuration and dependencies are required for installing Playwright and run a test. Get a step-by-step direction for installing the Playwright automation framework.
Playwright Futuristic Features: Launched in 2020, Playwright gained huge popularity quickly because of some obliging features such as Playwright Test Generator and Inspector, Playwright Reporter, Playwright auto-waiting mechanism and etc. Read up on those features to master Playwright testing.
What is Component Testing: Component testing in Playwright is a unique feature that allows a tester to test a single component of a web application without integrating them with other elements. Learn how to perform Component testing on the Playwright automation framework.
Inputs And Buttons In Playwright: Every website has Input boxes and buttons; learn about testing inputs and buttons with different scenarios and examples.
Functions and Selectors in Playwright: Learn how to launch the Chromium browser with Playwright. Also, gain a better understanding of some important functions like “BrowserContext,” which allows you to run multiple browser sessions, and “newPage” which interacts with a page.
Handling Alerts and Dropdowns in Playwright : Playwright interact with different types of alerts and pop-ups, such as simple, confirmation, and prompt, and different types of dropdowns, such as single selector and multi-selector get your hands-on with handling alerts and dropdown in Playright testing.
Playwright vs Puppeteer: Get to know about the difference between two testing frameworks and how they are different than one another, which browsers they support, and what features they provide.
Run Playwright Tests on LambdaTest: Playwright testing with LambdaTest leverages test performance to the utmost. You can run multiple Playwright tests in Parallel with the LammbdaTest test cloud. Get a step-by-step guide to run your Playwright test on the LambdaTest platform.
Playwright Python Tutorial: Playwright automation framework support all major languages such as Python, JavaScript, TypeScript, .NET and etc. However, there are various advantages to Python end-to-end testing with Playwright because of its versatile utility. Get the hang of Playwright python testing with this chapter.
Playwright End To End Testing Tutorial: Get your hands on with Playwright end-to-end testing and learn to use some exciting features such as TraceViewer, Debugging, Networking, Component testing, Visual testing, and many more.
Playwright Video Tutorial: Watch the video tutorials on Playwright testing from experts and get a consecutive in-depth explanation of Playwright automation testing.