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How to use test_evaluate_handle method in Playwright Python

Best Python code snippet using playwright-python

test_frame.py

Source:test_frame.py

...31        self.assertEqual(a1, 1)32        self.assertEqual(a2, 2)33class TestEvaluateHandle(BaseTestCase):34    @sync35    async def test_evaluate_handle(self):36        await self.page.goto(self.url + 'empty')37        frame = self.page.mainFrame38        windowHandle = await frame.evaluateHandle('window')39        self.assertTrue(windowHandle)40class TestEvaluate(BaseTestCase):41    @sync42    async def test_frame_evaluate(self):43        await self.page.goto(self.url + 'empty')44        await attachFrame(self.page, 'frame1', self.url + 'empty')45        self.assertEqual(len(self.page.frames), 2)46        frame1 = self.page.frames[0]47        frame2 = self.page.frames[1]48        await frame1.evaluate('() => window.a = 1')49        await frame2.evaluate('() => window.a = 2')...

test_page.py

Source:test_page.py

...169        await self.page.evaluate("window.navigator.onLine") | should.be.false170        await self.page.setOfflineMode(False)171        await self.page.evaluate("window.navigator.onLine") | should.be.true172    @pytest.mark.asyncio173    async def test_evaluate_handle(self):174        windowHandle = await self.page.evaluateHandle("() => window")175        windowHandle | should.not_be.none176    @pytest.mark.asyncio177    async def test_wait_for_selector(self):178        await self.goto_test("grid.html")179        assert await self.page.waitFor("div") is not None180    @pytest.mark.asyncio181    async def test_single_slash_fail(self):182        await self.page.setContent("<div>some text</div>")183        with pytest.raises(Exception):184            await self.page.waitFor("/html/body/div")185    @pytest.mark.asyncio186    async def test_wait_for_timeout(self):187        result = []...

test_frames.py

Source:test_frames.py

...12# See the License for the specific language governing permissions and13# limitations under the License.14import asyncio15from playwright.async_api import Error16async def test_evaluate_handle(page, server):17    await page.goto(server.EMPTY_PAGE)18    main_frame = page.main_frame19    window_handle = await main_frame.evaluate_handle("window")20    assert window_handle21async def test_frame_element(page, server, utils):22    await page.goto(server.EMPTY_PAGE)23    frame1 = await utils.attach_frame(page, "frame1", server.EMPTY_PAGE)24    await utils.attach_frame(page, "frame2", server.EMPTY_PAGE)25    frame3 = await utils.attach_frame(page, "frame3", server.EMPTY_PAGE)26    frame1handle1 = await page.query_selector("#frame1")27    frame1handle2 = await frame1.frame_element()28    frame3handle1 = await page.query_selector("#frame3")29    frame3handle2 = await frame3.frame_element()30    assert await frame1handle1.evaluate("(a, b) => a === b", frame1handle2)...

Playwright tutorial

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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.
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