playwright/tests/page/elementhandle-wait-for-element-state.spec.ts

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/**
* Copyright 2018 Google Inc. All rights reserved.
* Modifications copyright (c) Microsoft Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import { test as it, expect } from './pageTest';
async function giveItAChanceToResolve(page) {
for (let i = 0; i < 5; i++)
await page.evaluate(() => new Promise(f => requestAnimationFrame(() => requestAnimationFrame(f))));
}
it('should wait for visible', async ({ page }) => {
await page.setContent(`<div style='display:none'>content</div>`);
const div = await page.$('div');
let done = false;
const promise = div.waitForElementState('visible').then(() => done = true);
await giveItAChanceToResolve(page);
expect(done).toBe(false);
await div.evaluate(div => div.style.display = 'block');
await promise;
});
it('should wait for already visible', async ({ page }) => {
await page.setContent(`<div>content</div>`);
const div = await page.$('div');
await div.waitForElementState('visible');
});
it('should timeout waiting for visible', async ({ page }) => {
await page.setContent(`<div style='display:none'>content</div>`);
const div = await page.$('div');
const error = await div.waitForElementState('visible', { timeout: 1000 }).catch(e => e);
expect(error.message).toContain('Timeout 1000ms exceeded');
});
it('should throw waiting for visible when detached', async ({ page }) => {
await page.setContent(`<div style='display:none'>content</div>`);
const div = await page.$('div');
const promise = div.waitForElementState('visible').catch(e => e);
await div.evaluate(div => div.remove());
const error = await promise;
expect(error.message).toContain('Element is not attached to the DOM');
});
it('should wait for hidden', async ({ page }) => {
await page.setContent(`<div>content</div>`);
const div = await page.$('div');
let done = false;
const promise = div.waitForElementState('hidden').then(() => done = true);
await giveItAChanceToResolve(page);
expect(done).toBe(false);
await div.evaluate(div => div.style.display = 'none');
await promise;
});
it('should wait for already hidden', async ({ page }) => {
await page.setContent(`<div></div>`);
const div = await page.$('div');
await div.waitForElementState('hidden');
});
it('should wait for hidden when detached', async ({ page }) => {
await page.setContent(`<div>content</div>`);
const div = await page.$('div');
let done = false;
const promise = div.waitForElementState('hidden').then(() => done = true);
await giveItAChanceToResolve(page);
expect(done).toBe(false);
await div.evaluate(div => div.remove());
await promise;
});
it('should wait for enabled button', async ({ page, server }) => {
await page.setContent('<button disabled><span>Target</span></button>');
const span = await page.$('text=Target');
let done = false;
const promise = span.waitForElementState('enabled').then(() => done = true);
await giveItAChanceToResolve(page);
expect(done).toBe(false);
await span.evaluate(span => (span.parentElement as HTMLButtonElement).disabled = false);
await promise;
});
it('should throw waiting for enabled when detached', async ({ page }) => {
await page.setContent(`<button disabled>Target</button>`);
const button = await page.$('button');
const promise = button.waitForElementState('enabled').catch(e => e);
await button.evaluate(button => button.remove());
const error = await promise;
expect(error.message).toContain('Element is not attached to the DOM');
});
it('should wait for disabled button', async ({ page }) => {
await page.setContent('<button><span>Target</span></button>');
const span = await page.$('text=Target');
let done = false;
const promise = span.waitForElementState('disabled').then(() => done = true);
await giveItAChanceToResolve(page);
expect(done).toBe(false);
await span.evaluate(span => (span.parentElement as HTMLButtonElement).disabled = true);
await promise;
});
it('should wait for stable position', async ({ page, server, browserName, platform }) => {
it.fixme(browserName === 'firefox' && platform === 'linux');
await page.goto(server.PREFIX + '/input/button.html');
const button = await page.$('button');
await page.$eval('button', button => {
button.style.transition = 'margin 10000ms linear 0s';
button.style.marginLeft = '20000px';
});
let done = false;
const promise = button.waitForElementState('stable').then(() => done = true);
await giveItAChanceToResolve(page);
expect(done).toBe(false);
await button.evaluate(button => button.style.transition = '');
await promise;
});
it('should wait for editable input', async ({ page, server }) => {
await page.setContent('<input readonly>');
const input = await page.$('input');
let done = false;
const promise = input.waitForElementState('editable').then(() => done = true);
await giveItAChanceToResolve(page);
expect(done).toBe(false);
await input.evaluate(input => input.readOnly = false);
await promise;
});