playwright/test/page-set-input-files.spec.ts

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/**
* Copyright 2017 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 { it, expect } from './playwright.fixtures';
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import path from 'path';
import fs from 'fs';
import formidable from 'formidable';
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const FILE_TO_UPLOAD = path.join(__dirname, '/assets/file-to-upload.txt');
it('should upload the file', async ({page, server}) => {
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await page.goto(server.PREFIX + '/input/fileupload.html');
const filePath = path.relative(process.cwd(), FILE_TO_UPLOAD);
const input = await page.$('input');
await input.setInputFiles(filePath);
expect(await page.evaluate(e => e.files[0].name, input)).toBe('file-to-upload.txt');
expect(await page.evaluate(e => {
const reader = new FileReader();
const promise = new Promise(fulfill => reader.onload = fulfill);
reader.readAsText(e.files[0]);
return promise.then(() => reader.result);
}, input)).toBe('contents of the file');
});
it('should work', async ({page}) => {
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await page.setContent(`<input type=file>`);
await page.setInputFiles('input', path.join(__dirname, '/assets/file-to-upload.txt'));
expect(await page.$eval('input', input => input.files.length)).toBe(1);
expect(await page.$eval('input', input => input.files[0].name)).toBe('file-to-upload.txt');
});
it('should set from memory', async ({page}) => {
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await page.setContent(`<input type=file>`);
await page.setInputFiles('input', {
name: 'test.txt',
mimeType: 'text/plain',
buffer: Buffer.from('this is a test')
});
expect(await page.$eval('input', input => input.files.length)).toBe(1);
expect(await page.$eval('input', input => input.files[0].name)).toBe('test.txt');
});
it('should emit event once', async ({page, server}) => {
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await page.setContent(`<input type=file>`);
const [chooser] = await Promise.all([
new Promise(f => page.once('filechooser', f)),
page.click('input'),
]);
expect(chooser).toBeTruthy();
});
it('should emit event on/off', async ({page, server}) => {
await page.setContent(`<input type=file>`);
const [chooser] = await Promise.all([
new Promise(f => {
const listener = chooser => {
page.off('filechooser', listener);
f(chooser);
};
page.on('filechooser', listener);
}),
page.click('input'),
]);
expect(chooser).toBeTruthy();
});
it('should emit event addListener/removeListener', async ({page, server}) => {
await page.setContent(`<input type=file>`);
const [chooser] = await Promise.all([
new Promise(f => {
const listener = chooser => {
page.removeListener('filechooser', listener);
f(chooser);
};
page.addListener('filechooser', listener);
}),
page.click('input'),
]);
expect(chooser).toBeTruthy();
});
it('should work when file input is attached to DOM', async ({page, server}) => {
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await page.setContent(`<input type=file>`);
const [chooser] = await Promise.all([
page.waitForEvent('filechooser'),
page.click('input'),
]);
expect(chooser).toBeTruthy();
});
it('should work when file input is not attached to DOM', async ({page, server}) => {
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const [chooser] = await Promise.all([
page.waitForEvent('filechooser'),
page.evaluate(() => {
const el = document.createElement('input');
el.type = 'file';
el.click();
}),
]);
expect(chooser).toBeTruthy();
});
it('should work with CSP', async ({page, server}) => {
server.setCSP('/empty.html', 'default-src "none"');
await page.goto(server.EMPTY_PAGE);
await page.setContent(`<input type=file>`);
await page.setInputFiles('input', path.join(__dirname, '/assets/file-to-upload.txt'));
expect(await page.$eval('input', input => input.files.length)).toBe(1);
expect(await page.$eval('input', input => input.files[0].name)).toBe('file-to-upload.txt');
});
it('should respect timeout', async ({page, playwright}) => {
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let error = null;
await page.waitForEvent('filechooser', {timeout: 1}).catch(e => error = e);
expect(error).toBeInstanceOf(playwright.errors.TimeoutError);
});
it('should respect default timeout when there is no custom timeout', async ({page, playwright}) => {
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page.setDefaultTimeout(1);
let error = null;
await page.waitForEvent('filechooser').catch(e => error = e);
expect(error).toBeInstanceOf(playwright.errors.TimeoutError);
});
it('should prioritize exact timeout over default timeout', async ({page, playwright}) => {
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page.setDefaultTimeout(0);
let error = null;
await page.waitForEvent('filechooser', {timeout: 1}).catch(e => error = e);
expect(error).toBeInstanceOf(playwright.errors.TimeoutError);
});
it('should work with no timeout', async ({page, server}) => {
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const [chooser] = await Promise.all([
page.waitForEvent('filechooser', {timeout: 0}),
page.evaluate(() => setTimeout(() => {
const el = document.createElement('input');
el.type = 'file';
el.click();
}, 50))
]);
expect(chooser).toBeTruthy();
});
it('should return the same file chooser when there are many watchdogs simultaneously', async ({page, server}) => {
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await page.setContent(`<input type=file>`);
const [fileChooser1, fileChooser2] = await Promise.all([
page.waitForEvent('filechooser'),
page.waitForEvent('filechooser'),
page.$eval('input', input => input.click()),
]);
expect(fileChooser1 === fileChooser2).toBe(true);
});
it('should accept single file', async ({page, server}) => {
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await page.setContent(`<input type=file oninput='javascript:console.timeStamp()'>`);
const [fileChooser] = await Promise.all([
page.waitForEvent('filechooser'),
page.click('input'),
]);
expect(fileChooser.page()).toBe(page);
expect(fileChooser.element()).toBeTruthy();
await fileChooser.setFiles(FILE_TO_UPLOAD);
expect(await page.$eval('input', input => input.files.length)).toBe(1);
expect(await page.$eval('input', input => input.files[0].name)).toBe('file-to-upload.txt');
});
it('should detect mime type', async ({page, server}) => {
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let files;
server.setRoute('/upload', async (req, res) => {
const form = new formidable.IncomingForm();
form.parse(req, function(err, fields, f) {
files = f;
res.end();
});
});
await page.goto(server.EMPTY_PAGE);
await page.setContent(`
<form action="/upload" method="post" enctype="multipart/form-data" >
<input type="file" name="file1">
<input type="file" name="file2">
<input type="submit" value="Submit">
</form>`);
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await (await page.$('input[name=file1]')).setInputFiles(path.join(__dirname, '/assets/file-to-upload.txt'));
await (await page.$('input[name=file2]')).setInputFiles(path.join(__dirname, '/assets/pptr.png'));
await Promise.all([
page.click('input[type=submit]'),
server.waitForRequest('/upload'),
]);
const { file1, file2 } = files;
expect(file1.name).toBe('file-to-upload.txt');
expect(file1.type).toBe('text/plain');
expect(fs.readFileSync(file1.path).toString()).toBe(
fs.readFileSync(path.join(__dirname, '/assets/file-to-upload.txt')).toString());
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expect(file2.name).toBe('pptr.png');
expect(file2.type).toBe('image/png');
expect(fs.readFileSync(file2.path).toString()).toBe(
fs.readFileSync(path.join(__dirname, '/assets/pptr.png')).toString());
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});
it('should be able to read selected file', async ({page, server}) => {
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await page.setContent(`<input type=file>`);
const [, content] = await Promise.all([
page.waitForEvent('filechooser').then(fileChooser => fileChooser.setFiles(FILE_TO_UPLOAD)),
page.$eval('input', async picker => {
picker.click();
await new Promise(x => picker.oninput = x);
const reader = new FileReader();
const promise = new Promise(fulfill => reader.onload = fulfill);
reader.readAsText(picker.files[0]);
return promise.then(() => reader.result);
}),
]);
expect(content).toBe('contents of the file');
});
it('should be able to reset selected files with empty file list', async ({page, server}) => {
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await page.setContent(`<input type=file>`);
const [, fileLength1] = await Promise.all([
page.waitForEvent('filechooser').then(fileChooser => fileChooser.setFiles(FILE_TO_UPLOAD)),
page.$eval('input', async picker => {
picker.click();
await new Promise(x => picker.oninput = x);
return picker.files.length;
}),
]);
expect(fileLength1).toBe(1);
const [, fileLength2] = await Promise.all([
page.waitForEvent('filechooser').then(fileChooser => fileChooser.setFiles([])),
page.$eval('input', async picker => {
picker.click();
await new Promise(x => picker.oninput = x);
return picker.files.length;
}),
]);
expect(fileLength2).toBe(0);
});
it('should not accept multiple files for single-file input', async ({page, server}) => {
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await page.setContent(`<input type=file>`);
const [fileChooser] = await Promise.all([
page.waitForEvent('filechooser'),
page.click('input'),
]);
let error = null;
await fileChooser.setFiles([
path.relative(process.cwd(), __dirname + '/assets/file-to-upload.txt'),
path.relative(process.cwd(), __dirname + '/assets/pptr.png')
]).catch(e => error = e);
expect(error).not.toBe(null);
});
it('should emit input and change events', async ({page, server}) => {
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const events = [];
await page.exposeFunction('eventHandled', e => events.push(e));
await page.setContent(`
<input id=input type=file></input>
<script>
input.addEventListener('input', e => eventHandled({ type: e.type }));
input.addEventListener('change', e => eventHandled({ type: e.type }));
</script>`);
await (await page.$('input')).setInputFiles(FILE_TO_UPLOAD);
expect(events.length).toBe(2);
expect(events[0].type).toBe('input');
expect(events[1].type).toBe('change');
});
it('should work for single file pick', async ({page, server}) => {
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await page.setContent(`<input type=file>`);
const [fileChooser] = await Promise.all([
page.waitForEvent('filechooser'),
page.click('input'),
]);
expect(fileChooser.isMultiple()).toBe(false);
});
it('should work for "multiple"', async ({page, server}) => {
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await page.setContent(`<input multiple type=file>`);
const [fileChooser] = await Promise.all([
page.waitForEvent('filechooser'),
page.click('input'),
]);
expect(fileChooser.isMultiple()).toBe(true);
});
it('should work for "webkitdirectory"', async ({page, server}) => {
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await page.setContent(`<input multiple webkitdirectory type=file>`);
const [fileChooser] = await Promise.all([
page.waitForEvent('filechooser'),
page.click('input'),
]);
expect(fileChooser.isMultiple()).toBe(true);
});