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How to use test_assertions_locator_to_have_class method in Playwright Python

Best Python code snippet using playwright-python

test_assertions.py

Source:test_assertions.py

...86    expect(page.locator("div#foobar")).to_have_attribute("id", re.compile("foobar"))87    expect(page.locator("div#foobar")).not_to_have_attribute("id", "kek", timeout=100)88    with pytest.raises(AssertionError):89        expect(page.locator("div#foobar")).to_have_attribute("id", "koko", timeout=100)90def test_assertions_locator_to_have_class(page: Page, server: Server) -> None:91    page.goto(server.EMPTY_PAGE)92    page.set_content("<div class=foobar>kek</div>")93    expect(page.locator("div.foobar")).to_have_class("foobar")94    expect(page.locator("div.foobar")).to_have_class(["foobar"])95    expect(page.locator("div.foobar")).to_have_class(re.compile("foobar"))96    expect(page.locator("div.foobar")).to_have_class([re.compile("foobar")])97    expect(page.locator("div.foobar")).not_to_have_class("kekstar", timeout=100)98    with pytest.raises(AssertionError):99        expect(page.locator("div.foobar")).to_have_class("oh-no", timeout=100)100def test_assertions_locator_to_have_count(page: Page, server: Server) -> None:101    page.goto(server.EMPTY_PAGE)102    page.set_content("<div class=foobar>kek</div><div class=foobar>kek</div>")103    expect(page.locator("div.foobar")).to_have_count(2)104    expect(page.locator("div.foobar")).not_to_have_count(42, timeout=100)...

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