Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! Join TestMu Conference

How to use to_be_empty method in Playwright Python

Best Python code snippet using playwright-python

test_event_bus.py

Source:test_event_bus.py

...15        return redis, app, EventBus(app)16    def test_create_event_bus(self):17        redis, app, bus = self.get_bus()18        expect(bus.application).to_equal(app)19        expect(bus.handlers).to_be_empty()20        expect(bus.publish_items).to_be_empty()21        redis.subscribe.assert_called_once_with('events', bus.on_message)22    def test_can_subscribe(self):23        redis, app, bus = self.get_bus()24        callback = Mock()25        bus.subscribe('channel', 'uuid', callback)26        expect(bus.handlers).to_include('channel')27        expect(bus.handlers['channel']).to_include('uuid')28        expect(bus.handlers['channel']['uuid']).to_equal(callback)29    def test_can_unsubscribe(self):30        redis, app, bus = self.get_bus()31        bus.subscribe('channel', 'uuid', Mock())32        bus.unsubscribe('channel', 'uuid')33        expect(bus.handlers).to_be_like({34            'channel': {}35        })36    def test_can_unsubscribe_if_invalid_channel(self):37        redis, app, bus = self.get_bus()38        bus.unsubscribe('channel', 'uuid')39        expect(bus.handlers).to_be_empty()40    def test_can_unsubscribe_if_invalid_uuid(self):41        redis, app, bus = self.get_bus()42        bus.subscribe('channel', 'uuid', Mock())43        bus.unsubscribe('channel', 'uuid')44        bus.unsubscribe('channel', 'uuid')45        expect(bus.handlers).to_be_like({46            'channel': {}47        })48    def test_can_publish(self):49        redis, app, bus = self.get_bus()50        bus.publish('message')51        expect(bus.publish_items).to_include(('events', 'message'))52    def test_can_flush(self):53        redis, app, bus = self.get_bus()54        bus.publish('message')55        bus.publish('message2')56        bus.flush()57        expect(bus.publish_items).to_be_empty()58        redis.publish.assert_any_call('events', 'message')59        redis.publish.assert_any_call('events', 'message2')60    def test_on_message_returns_if_null_message(self):61        redis, app, bus = self.get_bus()62        handler_mock = Mock()63        bus.handlers['events']['uuid'] = handler_mock64        expect(bus.on_message(None)).to_be_null()65        expect(handler_mock.called).to_be_false()66    def test_on_message_when_type_not_message(self):67        redis, app, bus = self.get_bus()68        handler_mock = Mock()69        bus.handlers['events']['uuid'] = handler_mock70        value = dumps({'type': 'test'})71        bus.on_message(('type', 'events', value))...

solution_2.py

Source:solution_2.py

1def read_file(filename):2    file1 = open(filename, 'r')3    res = []4    for line in file1:5        res.append(line.strip())6    return res7def parse_lines(lines):8    seats = set()9    for x in range(len(lines[0])):10        for y in range(len(lines)):11            if lines[y][x] == "L":12                seats.add((x, y))13    return {14        "h": len(lines),15        "w": len(lines[0]),16        "seats": seats,17    }18def pretty_print(max_x, max_y, occupied, empty):19    for y in range(max_y):20        for x in range(max_x):21            if (x, y) in empty:22                print("L",  end='')23            elif (x, y) in occupied:24                print("#",  end='')25            else:26                print(".",  end='')27        print()28# If a seat is empty(L) and there are no occupied seats adjacent to it, the seat becomes occupied.29# If a seat is occupied(  # ) and five or more seats adjacent to it are also occupied, the seat becomes empty.30# Otherwise, the seat's state does not change.31def advance(w, h, occupied, empty):32    to_be_occupied = {}33    to_be_empty = {}34    for x in empty.keys():35        if len(empty[x] & occupied.keys()) == 0:36            to_be_occupied[x] = empty[x]37        else:38            to_be_empty[x] = empty[x]39    for x in occupied.keys():40        if len(occupied[x] & occupied.keys()) >= 5:41            to_be_empty[x] = occupied[x]42        else:43            to_be_occupied[x] = occupied[x]44    return (to_be_occupied, to_be_empty)45def explore_dir(board, x, y, dx, dy):46    nx = x + dx47    ny = y + dy48    if nx < 0 or nx > board["w"]:49        return None50    if ny < 0 or ny > board["h"]:51        return None52    if (nx, ny) in board["seats"]:53        return (nx, ny)54    return explore_dir(board, nx, ny, dx, dy)55def get_candidates(board, p):56    dirs = [(dx, dy) for dx in [-1, 0, 1]57            for dy in [-1, 0, 1] if not (dx == 0 and dy == 0)]58    cand = [explore_dir(board, p[0], p[1], d[0], d[1]) for d in dirs]59    # print(f"{p}: {cand}")60    return set([c for c in cand if cand is not None])61def add_candidates(board):62    new_empties = {}63    for pos in board["seats"]:64        new_empties[pos] = get_candidates(board, pos)65    return new_empties66lines = read_file("input.txt")67board = parse_lines(lines)68initial_empty = add_candidates(board)69h = board["h"]70w = board["w"]71occupied = {}72state = (occupied, initial_empty)73c = 074while True:75    new_state = advance(w, h, state[0], state[1])76    c = c + 177    if (new_state[0].keys() == state[0].keys()):78        print(f"Done in step {c} with {len(new_state[0])} occupied seats")79        # pretty_print(w, h, new_state[0], new_state[1])80        exit(1)...

emptiness_vows.py

Source:emptiness_vows.py

...12        class WhenString(Vows.Context):13            def topic(self):14                return ''15            def we_get_an_empty_string(self, topic):16                expect(topic).to_be_empty()17        class WhenList(Vows.Context):18            def topic(self):19                return []20            def we_get_an_empty_list(self, topic):21                expect(topic).to_be_empty()22        class WhenTuple(Vows.Context):23            def topic(self):24                return tuple([])25            def we_get_an_empty_tuple(self, topic):26                expect(topic).to_be_empty()27        class WhenDict(Vows.Context):28            def topic(self):29                return {}30            def we_get_an_empty_dict(self, topic):31                expect(topic).to_be_empty()32        class WhenWeGetAnError(Vows.Context):33            @Vows.capture_error34            def topic(self, last):35                expect([1]).to_be_empty()36            def we_get_an_understandable_message(self, topic):37                expect(topic).to_have_an_error_message_of("Expected topic([1]) to be empty")38    class WhenNotEmpty(Vows.Context):39        class WhenString(Vows.Context):40            def topic(self):41                return 'whatever'42            def we_get_a_not_empty_string(self, topic):43                expect(topic).Not.to_be_empty()44        class WhenList(Vows.Context):45            def topic(self):46                return ['something']47            def we_get_a_not_empty_list(self, topic):48                expect(topic).Not.to_be_empty()49        class WhenTuple(Vows.Context):50            def topic(self):51                return tuple(['something'])52            def we_get_a_not_empty_tuple(self, topic):53                expect(topic).Not.to_be_empty()54        class WhenDict(Vows.Context):55            def topic(self):56                return {"key": "value"}57            def we_get_a_not_empty_dict(self, topic):58                expect(topic).Not.to_be_empty()59        class WhenWeGetAnError(Vows.Context):60            @Vows.capture_error61            def topic(self, last):62                expect([]).not_to_be_empty()63            def we_get_an_understandable_message(self, topic):...

solution_1.py

Source:solution_1.py

1from functools import cache2def read_file(filename):3    file1 = open(filename, 'r')4    res = []5    for line in file1:6        res.append(line.strip())7    return res8def parse_lines(lines):9    seats = set()10    for x in range(len(lines[0])):11        for y in range(len(lines)):12            if lines[y][x] == "L":13                seats.add((x, y))14    return {15        "h": len(lines),16        "w": len(lines[0]),17        "seats": seats,18    }19@cache20def candidates(w, h, x, y):21    def passable(nx, ny):22        if nx == x and ny == y:23            return False24        if nx > w or nx < 0:25            return False26        if ny > h or ny < 0:27            return False28        return True29    pot = [(x+dx, y+dy) for dx in [-1, 0, 1] for dy in [-1, 0, 1]]30    return set([p for p in pot if passable(p[0], p[1])])31def pretty_print(max_x, max_y, occupied, empty):32    for y in range(max_y):33        for x in range(max_x):34            if (x, y) in empty:35                print("L",  end='')36            elif (x, y) in occupied:37                print("#",  end='')38            else:39                print(".",  end='')40        print()41# If a seat is empty(L) and there are no occupied seats adjacent to it, the seat becomes occupied.42# If a seat is occupied(  # ) and four or more seats adjacent to it are also occupied, the seat becomes empty.43# Otherwise, the seat's state does not change.44def advance(w, h, occupied, empty):45    to_be_occupied = {}46    to_be_empty = {}47    for x in empty.keys():48        if len(empty[x] & occupied.keys()) == 0:49            to_be_occupied[x] = empty[x]50        else:51            to_be_empty[x] = empty[x]52    for x in occupied.keys():53        if len(occupied[x] & occupied.keys()) >= 4:54            to_be_empty[x] = occupied[x]55        else:56            to_be_occupied[x] = occupied[x]57    return (to_be_occupied, to_be_empty)58def get_candidates(board, p):59    return candidates(board["w"], board["h"], p[0], p[1])60def add_candidates(board):61    new_empties = {}62    for pos in board["seats"]:63        new_empties[pos] = get_candidates(board, pos)64    return new_empties65lines = read_file("input.txt")66board = parse_lines(lines)67initial_empty = add_candidates(board)68h = board["h"]69w = board["w"]70occupied = {}71state = (occupied, initial_empty)72c = 073while True:74    new_state = advance(w, h, state[0], state[1])75    c = c + 176    if (new_state[0].keys() == state[0].keys()):77        print(f"Done in step {c} with {len(new_state[0])} occupied seats")78        # pretty_print(w, h, new_state[0], new_state[1])79        exit(1)...

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.