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How to use test_expose_bindinghandle_should_work method in Playwright Python

Best Python code snippet using playwright-python

test_page.py

Source:test_page.py

...295async def test_expose_function_should_work_with_complex_objects(page, server):296    await page.expose_function("complexObject", lambda a, b: dict(x=a["x"] + b["x"]))297    result = await page.evaluate("complexObject({x: 5}, {x: 2})")298    assert result["x"] == 7299async def test_expose_bindinghandle_should_work(page, server):300    targets = []301    def logme(t):302        targets.append(t)303        return 17304    await page.expose_binding("logme", lambda source, t: logme(t), handle=True)305    result = await page.evaluate("logme({ foo: 42 })")306    assert (await targets[0].evaluate("x => x.foo")) == 42307    assert result == 17308async def test_page_error_should_fire(page, server, is_webkit):309    async with page.expect_event("pageerror") as error_info:310        await page.goto(server.PREFIX + "/error.html")311    error = await error_info.value312    assert error.message == "Fancy error!"313    stack = await page.evaluate("window.e.stack")...

test_browsercontext.py

Source:test_browsercontext.py

...330    await page.add_init_script("woof('page')")331    args = []332    await page.reload()333    assert args == ["context", "page"]334async def test_expose_bindinghandle_should_work(context):335    targets = []336    def logme(t):337        targets.append(t)338        return 17339    page = await context.new_page()340    await page.expose_binding("logme", lambda source, t: logme(t), handle=True)341    result = await page.evaluate("logme({ foo: 42 })")342    assert (await targets[0].evaluate("x => x.foo")) == 42343    assert result == 17344async def test_route_should_intercept(context, server):345    intercepted = []346    def handle(route, request):347        intercepted.append(True)348        assert "empty.html" in request.url...

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