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/**
* @license
* Copyright 2017 Google Inc.
* SPDX-License-Identifier: Apache-2.0
*/
import path from 'path';
import expect from 'expect';
import {TimeoutError} from 'puppeteer';
import {getTestState, setupTestBrowserHooks} from './mocha-utils.js';
import {waitEvent} from './utils.js';
const FILE_TO_UPLOAD = path.join(__dirname, '/../assets/file-to-upload.txt');
describe('input tests', function () {
setupTestBrowserHooks();
describe('ElementHandle.uploadFile', function () {
it('should upload the file', async () => {
const {page, server} = await getTestState();
await page.goto(server.PREFIX + '/input/fileupload.html');
using input = (await page.$('input'))!;
await input.evaluate(e => {
(globalThis as any)._inputEvents = [];
e.addEventListener('change', ev => {
return (globalThis as any)._inputEvents.push(ev.type);
});
e.addEventListener('input', ev => {
return (globalThis as any)._inputEvents.push(ev.type);
});
});
const file = path.relative(process.cwd(), FILE_TO_UPLOAD);
await input.uploadFile(file);
expect(
await input.evaluate(e => {
return e.files?.[0]?.name;
})
).toBe('file-to-upload.txt');
expect(
await input.evaluate(e => {
return e.files?.[0]?.type;
})
).toBe('text/plain');
expect(
await page.evaluate(() => {
return (globalThis as any)._inputEvents;
})
).toEqual(['input', 'change']);
});
it('should read the file', async () => {
const {page, server} = await getTestState();
await page.goto(server.PREFIX + '/input/fileupload.html');
using input = (await page.$('input'))!;
await input.evaluate(e => {
(globalThis as any)._inputEvents = [];
e.addEventListener('change', ev => {
return (globalThis as any)._inputEvents.push(ev.type);
});
e.addEventListener('input', ev => {
return (globalThis as any)._inputEvents.push(ev.type);
});
});
const file = path.relative(process.cwd(), FILE_TO_UPLOAD);
await input.uploadFile(file);
expect(
await input.evaluate(e => {
const file = e.files?.[0];
if (!file) {
throw new Error('No file found');
}
const reader = new FileReader();
const promise = new Promise(fulfill => {
reader.addEventListener('load', fulfill);
});
reader.readAsText(file);
return promise.then(() => {
return reader.result;
});
})
).toBe('contents of the file');
});
});
describe('Page.waitForFileChooser', function () {
it('should work when file input is attached to DOM', async () => {
const {page} = await getTestState();
await page.setContent(`<input type=file>`);
const [chooser] = await Promise.all([
page.waitForFileChooser(),
page.click('input'),
]);
expect(chooser).toBeTruthy();
});
it('should work when file input is not attached to DOM', async () => {
const {page} = await getTestState();
const [chooser] = await Promise.all([
page.waitForFileChooser(),
page.evaluate(() => {
const el = document.createElement('input');
el.type = 'file';
el.click();
}),
]);
expect(chooser).toBeTruthy();
});
it('should respect timeout', async () => {
const {page} = await getTestState();
let error!: Error;
await page.waitForFileChooser({timeout: 1}).catch(error_ => {
return (error = error_);
});
expect(error).toBeInstanceOf(TimeoutError);
});
it('should respect default timeout when there is no custom timeout', async () => {
const {page} = await getTestState();
page.setDefaultTimeout(1);
let error!: Error;
await page.waitForFileChooser().catch(error_ => {
return (error = error_);
});
expect(error).toBeInstanceOf(TimeoutError);
});
it('should prioritize exact timeout over default timeout', async () => {
const {page} = await getTestState();
page.setDefaultTimeout(0);
let error!: Error;
await page.waitForFileChooser({timeout: 1}).catch(error_ => {
return (error = error_);
});
expect(error).toBeInstanceOf(TimeoutError);
});
it('should work with no timeout', async () => {
const {page} = await getTestState();
const [chooser] = await Promise.all([
page.waitForFileChooser({timeout: 0}),
page.evaluate(() => {
return 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 () => {
const {page} = await getTestState();
await page.setContent(`<input type=file>`);
const [fileChooser1, fileChooser2] = await Promise.all([
page.waitForFileChooser(),
page.waitForFileChooser(),
page.$eval('input', input => {
return (input as HTMLInputElement).click();
}),
]);
expect(fileChooser1 === fileChooser2).toBe(true);
});
});
describe('FileChooser.accept', function () {
it('should accept single file', async () => {
const {page} = await getTestState();
await page.setContent(
`<input type=file oninput='javascript:console.timeStamp()'>`
);
const [chooser] = await Promise.all([
page.waitForFileChooser(),
page.click('input'),
]);
await Promise.all([
chooser.accept([FILE_TO_UPLOAD]),
waitEvent(page, 'metrics'),
]);
expect(
await page.$eval('input', input => {
return (input as HTMLInputElement).files!.length;
})
).toBe(1);
expect(
await page.$eval('input', input => {
return (input as HTMLInputElement).files![0]!.name;
})
).toBe('file-to-upload.txt');
});
it('should be able to read selected file', async () => {
const {page} = await getTestState();
await page.setContent(`<input type=file>`);
void page.waitForFileChooser().then(chooser => {
return chooser.accept([FILE_TO_UPLOAD]);
});
expect(
await page.$eval('input', async picker => {
const pick = picker as HTMLInputElement;
pick.click();
await new Promise(x => {
return (pick.oninput = x);
});
const reader = new FileReader();
const promise = new Promise(fulfill => {
return (reader.onload = fulfill);
});
reader.readAsText(pick.files![0]!);
return await promise.then(() => {
return reader.result;
});
})
).toBe('contents of the file');
});
it('should be able to reset selected files with empty file list', async () => {
const {page} = await getTestState();
await page.setContent(`<input type=file>`);
void page.waitForFileChooser().then(chooser => {
return chooser.accept([FILE_TO_UPLOAD]);
});
expect(
await page.$eval('input', async picker => {
const pick = picker as HTMLInputElement;
pick.click();
await new Promise(x => {
return (pick.oninput = x);
});
return pick.files!.length;
})
).toBe(1);
void page.waitForFileChooser().then(chooser => {
return chooser.accept([]);
});
expect(
await page.$eval('input', async picker => {
const pick = picker as HTMLInputElement;
pick.click();
await new Promise(x => {
return (pick.oninput = x);
});
return pick.files!.length;
})
).toBe(0);
});
it('should not accept multiple files for single-file input', async () => {
const {page} = await getTestState();
await page.setContent(`<input type=file>`);
const [chooser] = await Promise.all([
page.waitForFileChooser(),
page.click('input'),
]);
let error!: Error;
await chooser
.accept([
path.relative(
process.cwd(),
__dirname + '/../assets/file-to-upload.txt'
),
path.relative(process.cwd(), __dirname + '/../assets/pptr.png'),
])
.catch(error_ => {
return (error = error_);
});
expect(error).not.toBe(null);
});
it('should succeed even for non-existent files', async () => {
const {page} = await getTestState();
await page.setContent(`<input type=file>`);
const [chooser] = await Promise.all([
page.waitForFileChooser(),
page.click('input'),
]);
let error!: Error;
await chooser.accept(['file-does-not-exist.txt']).catch(error_ => {
return (error = error_);
});
expect(error).toBeUndefined();
});
it('should error on read of non-existent files', async () => {
const {page} = await getTestState();
await page.setContent(`<input type=file>`);
void page.waitForFileChooser().then(chooser => {
return chooser.accept(['file-does-not-exist.txt']);
});
expect(
await page.$eval('input', async picker => {
const pick = picker as HTMLInputElement;
pick.click();
await new Promise(x => {
return (pick.oninput = x);
});
const reader = new FileReader();
const promise = new Promise(fulfill => {
return (reader.onerror = fulfill);
});
reader.readAsText(pick.files![0]!);
return await promise.then(() => {
return false;
});
})
).toBeFalsy();
});
it('should fail when accepting file chooser twice', async () => {
const {page} = await getTestState();
await page.setContent(`<input type=file>`);
const [fileChooser] = await Promise.all([
page.waitForFileChooser(),
page.$eval('input', input => {
return (input as HTMLInputElement).click();
}),
]);
await fileChooser.accept([]);
let error!: Error;
await fileChooser.accept([]).catch(error_ => {
return (error = error_);
});
expect(error.message).toBe(
'Cannot accept FileChooser which is already handled!'
);
});
});
describe('FileChooser.cancel', function () {
it('should cancel dialog', async () => {
const {page} = await getTestState();
// Consider file chooser canceled if we can summon another one.
// There's no reliable way in WebPlatform to see that FileChooser was
// canceled.
await page.setContent(`<input type=file>`);
const [fileChooser1] = await Promise.all([
page.waitForFileChooser(),
page.$eval('input', input => {
return (input as HTMLInputElement).click();
}),
]);
await fileChooser1.cancel();
// If this resolves, than we successfully canceled file chooser.
await Promise.all([
page.waitForFileChooser(),
page.$eval('input', input => {
return (input as HTMLInputElement).click();
}),
]);
});
it('should fail when canceling file chooser twice', async () => {
const {page} = await getTestState();
await page.setContent(`<input type=file>`);
const [fileChooser] = await Promise.all([
page.waitForFileChooser(),
page.$eval('input', input => {
return (input as HTMLElement).click();
}),
]);
await fileChooser.cancel();
let error!: Error;
try {
await fileChooser.cancel();
} catch (error_) {
error = error_ as Error;
}
expect(error.message).toBe(
'Cannot cancel FileChooser which is already handled!'
);
});
});
describe('FileChooser.isMultiple', () => {
it('should work for single file pick', async () => {
const {page} = await getTestState();
await page.setContent(`<input type=file>`);
const [chooser] = await Promise.all([
page.waitForFileChooser(),
page.click('input'),
]);
expect(chooser.isMultiple()).toBe(false);
});
it('should work for "multiple"', async () => {
const {page} = await getTestState();
await page.setContent(`<input multiple type=file>`);
const [chooser] = await Promise.all([
page.waitForFileChooser(),
page.click('input'),
]);
expect(chooser.isMultiple()).toBe(true);
});
it('should work for "webkitdirectory"', async () => {
const {page} = await getTestState();
await page.setContent(`<input multiple webkitdirectory type=file>`);
const [chooser] = await Promise.all([
page.waitForFileChooser(),
page.click('input'),
]);
expect(chooser.isMultiple()).toBe(true);
});
});
});