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Introduce Page.$ and Page.$$ (#75)

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This patch introduces Page.$ and Page.$$ methods which are
aliases for `document.querySelector` and `document.querySelectorAll`. 

Fixes #78.
This commit is contained in:
JoelEinbinder
2017-07-17 18:56:56 -07:00
committed by Andrey Lushnikov
parent bf7698e8f8
commit 117a128b42
8 changed files with 158 additions and 9 deletions
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28
test/test.js
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@@ -960,6 +960,34 @@ describe('Puppeteer', function() {
expect(await page.title()).toBe('Button test');
}));
});
describe('Query selector', function() {
it('Page.$', SX(async function() {
await page.navigate(PREFIX + '/playground.html');
expect(await page.$('#first', element => element.textContent)).toBe('First div');
expect(await page.$('#second span', element => element.textContent)).toBe('Inner span');
expect(await page.$('#first', (element, arg1) => arg1, 'value1')).toBe('value1');
expect(await page.$('#first', (element, arg1, arg2) => arg2, 'value1', 'value2')).toBe('value2');
expect(await page.$('doesnot-exist', element => 5)).toBe(null);
expect(await page.$('button', function(element, arg1) {
element.textContent = arg1;
return true;
}, 'new button text')).toBe(true);
expect(await page.$('button', function(element) {
return element.textContent;
})).toBe('new button text');
}));
it('Page.$$', SX(async function() {
await page.navigate(PREFIX + '/playground.html');
expect((await page.$$('div', element => element.textContent)).length).toBe(2);
expect((await page.$$('div', (element, index) => index))[0]).toBe(0);
expect((await page.$$('div', (element, index) => index))[1]).toBe(1);
expect((await page.$$('doesnotexist', function(){})).length).toBe(0);
expect((await page.$$('div', element => element.textContent))[0]).toBe('First div');
expect((await page.$$('span', (element, index, arg1) => arg1, 'value1'))[0]).toBe('value1');
}));
});
});
// Since Jasmine doesn't like async functions, they should be wrapped