2ff0adcad8
This patch: - adds `worker.evaluate` and `worker.evaluateHandle` methods as a shortcut to their execution context equivalents. - makes the error messages a bit nicer when interacting with a closed worker (as opposed to a closed page). - moves the worker tests into their own spec file.
44 lines
2.1 KiB
JavaScript
44 lines
2.1 KiB
JavaScript
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module.exports.addTests = function({testRunner, expect}) {
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const {describe, xdescribe, fdescribe} = testRunner;
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const {it, fit, xit} = testRunner;
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const {beforeAll, beforeEach, afterAll, afterEach} = testRunner;
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describe('Workers', function() {
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it('Page.workers', async function({page, server}) {
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await Promise.all([
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new Promise(x => page.once('workercreated', x)),
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page.goto(server.PREFIX + '/worker/worker.html')]);
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const worker = page.workers()[0];
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expect(worker.url()).toContain('worker.js');
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expect(await worker.evaluate(() => self.workerFunction())).toBe('worker function result');
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await page.goto(server.EMPTY_PAGE);
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expect(page.workers()).toEqual([]);
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});
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it('should emit created and destroyed events', async function({page}) {
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const workerCreatedPromise = new Promise(x => page.once('workercreated', x));
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const workerObj = await page.evaluateHandle(() => new Worker('data:text/javascript,1'));
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const worker = await workerCreatedPromise;
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const workerThisObj = await worker.evaluateHandle(() => this);
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const workerDestroyedPromise = new Promise(x => page.once('workerdestroyed', x));
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await page.evaluate(workerObj => workerObj.terminate(), workerObj);
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expect(await workerDestroyedPromise).toBe(worker);
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const error = await workerThisObj.getProperty('self').catch(error => error);
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expect(error.message).toContain('Most likely the worker has been closed.');
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});
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it('should report console logs', async function({page}) {
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const logPromise = new Promise(x => page.on('console', x));
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await page.evaluate(() => new Worker(`data:text/javascript,console.log(1)`));
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const log = await logPromise;
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expect(log.text()).toBe('1');
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});
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it('should have an execution context', async function({page}) {
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const workerCreatedPromise = new Promise(x => page.once('workercreated', x));
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await page.evaluate(() => new Worker(`data:text/javascript,console.log(1)`));
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const worker = await workerCreatedPromise;
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expect(await (await worker.executionContext()).evaluate('1+1')).toBe(2);
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});
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});
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}; |