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How to use to_have_css method in Playwright Python

Best Python code snippet using playwright-python

_assertions.py

Source:_assertions.py

...215        timeout: float = None,216    ) -> None:217        __tracebackhide__ = True218        await self._not.to_have_count(count, timeout)219    async def to_have_css(220        self,221        name: str,222        value: Union[str, Pattern],223        timeout: float = None,224    ) -> None:225        __tracebackhide__ = True226        expected_text = to_expected_text_values([value])227        await self._expect_impl(228            "to.have.css",229            FrameExpectOptions(230                expressionArg=name, expectedText=expected_text, timeout=timeout231            ),232            value,233            "Locator expected to have CSS",234        )235    async def not_to_have_css(236        self,237        name: str,238        value: Union[str, Pattern],239        timeout: float = None,240    ) -> None:241        __tracebackhide__ = True242        await self._not.to_have_css(name, value, timeout)243    async def to_have_id(244        self,245        id: Union[str, Pattern],246        timeout: float = None,247    ) -> None:248        __tracebackhide__ = True249        expected_text = to_expected_text_values([id])250        await self._expect_impl(251            "to.have.id",252            FrameExpectOptions(expectedText=expected_text, timeout=timeout),253            id,254            "Locator expected to have ID",255        )256    async def not_to_have_id(...

test_assertions.py

Source:test_assertions.py

...103    expect(page.locator("div.foobar")).to_have_count(2)104    expect(page.locator("div.foobar")).not_to_have_count(42, timeout=100)105    with pytest.raises(AssertionError):106        expect(page.locator("div.foobar")).to_have_count(42, timeout=100)107def test_assertions_locator_to_have_css(page: Page, server: Server) -> None:108    page.goto(server.EMPTY_PAGE)109    page.set_content("<div class=foobar style='color: rgb(234, 74, 90);'>kek</div>")110    expect(page.locator("div.foobar")).to_have_css("color", "rgb(234, 74, 90)")111    expect(page.locator("div.foobar")).not_to_have_css(112        "color", "rgb(42, 42, 42)", timeout=100113    )114    with pytest.raises(AssertionError):115        expect(page.locator("div.foobar")).to_have_css(116            "color", "rgb(42, 42, 42)", timeout=100117        )118def test_assertions_locator_to_have_id(page: Page, server: Server) -> None:119    page.goto(server.EMPTY_PAGE)120    page.set_content("<div class=foobar id=kek>kek</div>")121    expect(page.locator("div.foobar")).to_have_id("kek")122    expect(page.locator("div.foobar")).not_to_have_id("top", timeout=100)123    with pytest.raises(AssertionError):124        expect(page.locator("div.foobar")).to_have_id("top", timeout=100)125def test_assertions_locator_to_have_js_property(page: Page, server: Server) -> None:126    page.goto(server.EMPTY_PAGE)127    page.set_content("<div></div>")128    page.eval_on_selector(129        "div", "e => e.foo = { a: 1, b: 'string', c: new Date(1627503992000) }"...

desafio_QA_B.py

Source:desafio_QA_B.py

...34    page.keyboard.press('Enter') 35    page.wait_for_selector('#submit')   36    page.click('#submit')37    last_name = page.locator('#lastName')38    expect(last_name).to_have_css("border-color", "rgb(220, 53, 69)") #If Last Name has this color after submitting, it means the field is identified as mandatory...

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