blob: 21c227dac5d7295f1d6b77fc87ebbe0c41b696a3 [file] [log] [blame]
// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import {assert, expect} from 'chai';
import {ChopsTimestamp} from './chops-timestamp.js';
import {FORMATTER, SHORT_FORMATTER} from './chops-timestamp-helpers.js';
import sinon from 'sinon';
// The formatted date strings differ based on time zone and browser, so we can't
// use static strings for testing. We can't stub out the format method because
// it's native code and can't be modified. So just use the FORMATTER object.
let element;
let clock;
describe('chops-timestamp', () => {
beforeEach(() => {
element = document.createElement('chops-timestamp');
document.body.appendChild(element);
// Set clock to the Epoch.
clock = sinon.useFakeTimers({
now: new Date(0),
shouldAdvanceTime: false,
});
});
afterEach(() => {
document.body.removeChild(element);
clock.restore();
});
it('initializes', () => {
assert.instanceOf(element, ChopsTimestamp);
});
it('changing timestamp changes date', async () => {
const timestamp = 1548808276;
element.timestamp = String(timestamp);
await element.updateComplete;
assert.include(element.shadowRoot.textContent,
FORMATTER.format(new Date(timestamp * 1000)));
});
it('parses ISO dates', async () => {
const timestamp = '2016-11-11';
element.timestamp = timestamp;
await element.updateComplete;
assert.include(element.shadowRoot.textContent,
FORMATTER.format(new Date(timestamp)));
});
it('invalid timestamp format', () => {
expect(() => {
element._parseTimestamp('random string');
}).to.throw('Timestamp is in an invalid format.');
});
it('short time renders shorter time', async () => {
element.short = true;
element.timestamp = '5';
await element.updateComplete;
assert.include(element.shadowRoot.textContent,
`just now`);
element.timestamp = '60';
await element.updateComplete;
assert.include(element.shadowRoot.textContent,
`a minute from now`);
const timestamp = 1548808276;
element.timestamp = String(timestamp);
await element.updateComplete;
assert.include(element.shadowRoot.textContent,
SHORT_FORMATTER.format(timestamp * 1000));
});
});