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Commit 66ad04e4 authored by Winnie Hellmann's avatar Winnie Hellmann Committed by Mike Greiling
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Mock timeouts and Promise in SmartInterval tests

parent 5bd8bfb6
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Showing with 130 additions and 99 deletions
spec/javascripts/helpers/wait_for_promises.js 0 → 100644
View file @ 66ad04e4
export default () => new Promise(resolve => requestAnimationFrame(resolve));
spec/javascripts/job_spec.js
View file @ 66ad04e4
......@@ -5,6 +5,7 @@ import { numberToHumanSize } from '~/lib/utils/number_utils';
import '~/lib/utils/datetime_utility';
import Job from '~/job';
import '~/breakpoints';
import waitForPromises from 'spec/helpers/wait_for_promises';
describe('Job', () => {
const JOB_URL = `${gl.TEST_HOST}/frontend-fixtures/builds-project/-/jobs/1`;
......@@ -12,10 +13,6 @@ describe('Job', () => {
let response;
let job;
function waitForPromise() {
return new Promise(resolve => requestAnimationFrame(resolve));
}
preloadFixtures('builds/build-with-artifacts.html.raw');
beforeEach(() => {
......@@ -49,7 +46,7 @@ describe('Job', () => {
beforeEach(function (done) {
job = new Job();
waitForPromise()
waitForPromises()
.then(done)
.catch(done.fail);
});
......@@ -93,7 +90,7 @@ describe('Job', () => {
job = new Job();
waitForPromise()
waitForPromises()
.then(() => {
expect($('#build-trace .js-build-output').text()).toMatch(/Update/);
expect(job.state).toBe('newstate');
......@@ -107,7 +104,7 @@ describe('Job', () => {
};
})
.then(() => jasmine.clock().tick(4001))
.then(waitForPromise)
.then(waitForPromises)
.then(() => {
expect($('#build-trace .js-build-output').text()).toMatch(/UpdateMore/);
expect(job.state).toBe('finalstate');
......@@ -126,7 +123,7 @@ describe('Job', () => {
job = new Job();
waitForPromise()
waitForPromises()
.then(() => {
expect($('#build-trace .js-build-output').text()).toMatch(/Update/);
......@@ -137,7 +134,7 @@ describe('Job', () => {
};
})
.then(() => jasmine.clock().tick(4001))
.then(waitForPromise)
.then(waitForPromises)
.then(() => {
expect($('#build-trace .js-build-output').text()).not.toMatch(/Update/);
expect($('#build-trace .js-build-output').text()).toMatch(/Different/);
......@@ -160,7 +157,7 @@ describe('Job', () => {
job = new Job();
waitForPromise()
waitForPromises()
.then(() => {
expect(document.querySelector('.js-truncated-info').classList).not.toContain('hidden');
})
......@@ -181,7 +178,7 @@ describe('Job', () => {
job = new Job();
waitForPromise()
waitForPromises()
.then(() => {
expect(
document.querySelector('.js-truncated-info-size').textContent.trim(),
......@@ -203,7 +200,7 @@ describe('Job', () => {
job = new Job();
waitForPromise()
waitForPromises()
.then(() => {
expect(
document.querySelector('.js-truncated-info-size').textContent.trim(),
......@@ -219,7 +216,7 @@ describe('Job', () => {
};
})
.then(() => jasmine.clock().tick(4001))
.then(waitForPromise)
.then(waitForPromises)
.then(() => {
expect(
document.querySelector('.js-truncated-info-size').textContent.trim(),
......@@ -258,7 +255,7 @@ describe('Job', () => {
job = new Job();
waitForPromise()
waitForPromises()
.then(() => {
expect(document.querySelector('.js-truncated-info').classList).toContain('hidden');
})
......@@ -280,7 +277,7 @@ describe('Job', () => {
job = new Job();
waitForPromise()
waitForPromises()
.then(done)
.catch(done.fail);
});
......
spec/javascripts/smart_interval_spec.js
View file @ 66ad04e4
import $ from 'jquery';
import _ from 'underscore';
import SmartInterval from '~/smart_interval';
import waitForPromises from 'spec/helpers/wait_for_promises';
describe('SmartInterval', function () {
const DEFAULT_MAX_INTERVAL = 100;
const DEFAULT_STARTING_INTERVAL = 5;
const DEFAULT_SHORT_TIMEOUT = 75;
const DEFAULT_LONG_TIMEOUT = 1000;
const DEFAULT_INCREMENT_FACTOR = 2;
function createDefaultSmartInterval(config) {
......@@ -27,52 +27,65 @@ describe('SmartInterval', function () {
return new SmartInterval(defaultParams);
}
describe('Increment Interval', function () {
beforeEach(function () {
this.smartInterval = createDefaultSmartInterval();
beforeEach(() => {
jasmine.clock().install();
});
it('should increment the interval delay', function (done) {
const interval = this.smartInterval;
setTimeout(() => {
const intervalConfig = this.smartInterval.cfg;
afterEach(() => {
jasmine.clock().uninstall();
});
describe('Increment Interval', function () {
it('should increment the interval delay', (done) => {
const smartInterval = createDefaultSmartInterval();
jasmine.clock().tick(DEFAULT_SHORT_TIMEOUT);
waitForPromises()
.then(() => {
const intervalConfig = smartInterval.cfg;
const iterationCount = 4;
const maxIntervalAfterIterations = intervalConfig.startingInterval *
(intervalConfig.incrementByFactorOf ** (iterationCount - 1)); // 40
const currentInterval = interval.getCurrentInterval();
(intervalConfig.incrementByFactorOf ** iterationCount);
const currentInterval = smartInterval.getCurrentInterval();
// Provide some flexibility for performance of testing environment
expect(currentInterval).toBeGreaterThan(intervalConfig.startingInterval);
expect(currentInterval <= maxIntervalAfterIterations).toBeTruthy();
done();
}, DEFAULT_SHORT_TIMEOUT); // 4 iterations, increment by 2x = (5 + 10 + 20 + 40)
expect(currentInterval).toBeLessThanOrEqual(maxIntervalAfterIterations);
})
.then(done)
.catch(done.fail);
});
it('should not increment past maxInterval', function (done) {
const interval = this.smartInterval;
it('should not increment past maxInterval', (done) => {
const smartInterval = createDefaultSmartInterval({ maxInterval: DEFAULT_STARTING_INTERVAL });
setTimeout(() => {
const currentInterval = interval.getCurrentInterval();
expect(currentInterval).toBe(interval.cfg.maxInterval);
jasmine.clock().tick(DEFAULT_STARTING_INTERVAL);
jasmine.clock().tick(DEFAULT_STARTING_INTERVAL * DEFAULT_INCREMENT_FACTOR);
done();
}, DEFAULT_LONG_TIMEOUT);
waitForPromises()
.then(() => {
const currentInterval = smartInterval.getCurrentInterval();
expect(currentInterval).toBe(smartInterval.cfg.maxInterval);
})
.then(done)
.catch(done.fail);
});
it('does not increment while waiting for callback', function () {
jasmine.clock().install();
it('does not increment while waiting for callback', done => {
const smartInterval = createDefaultSmartInterval({
callback: () => new Promise($.noop),
});
jasmine.clock().tick(DEFAULT_SHORT_TIMEOUT);
waitForPromises()
.then(() => {
const oneInterval = smartInterval.cfg.startingInterval * DEFAULT_INCREMENT_FACTOR;
expect(smartInterval.getCurrentInterval()).toEqual(oneInterval);
jasmine.clock().uninstall();
})
.then(done)
.catch(done.fail);
});
});
......@@ -84,34 +97,39 @@ describe('SmartInterval', function () {
it('should cancel an interval', function (done) {
const interval = this.smartInterval;
setTimeout(() => {
jasmine.clock().tick(DEFAULT_SHORT_TIMEOUT);
interval.cancel();
waitForPromises()
.then(() => {
const { intervalId } = interval.state;
const currentInterval = interval.getCurrentInterval();
const intervalLowerLimit = interval.cfg.startingInterval;
expect(intervalId).toBeUndefined();
expect(currentInterval).toBe(intervalLowerLimit);
done();
}, DEFAULT_SHORT_TIMEOUT);
})
.then(done)
.catch(done.fail);
});
it('should resume an interval', function (done) {
const interval = this.smartInterval;
setTimeout(() => {
jasmine.clock().tick(DEFAULT_SHORT_TIMEOUT);
interval.cancel();
interval.resume();
waitForPromises()
.then(() => {
const { intervalId } = interval.state;
expect(intervalId).toBeTruthy();
done();
}, DEFAULT_SHORT_TIMEOUT);
})
.then(done)
.catch(done.fail);
});
});
......@@ -126,22 +144,29 @@ describe('SmartInterval', function () {
it('should pause when page is not visible', function (done) {
const interval = this.smartInterval;
setTimeout(() => {
jasmine.clock().tick(DEFAULT_SHORT_TIMEOUT);
waitForPromises()
.then(() => {
expect(interval.state.intervalId).toBeTruthy();
// simulates triggering of visibilitychange event
interval.handleVisibilityChange({ target: { visibilityState: 'hidden' } });
expect(interval.state.intervalId).toBeUndefined();
done();
}, DEFAULT_SHORT_TIMEOUT);
})
.then(done)
.catch(done.fail);
});
it('should change to the hidden interval when page is not visible', function (done) {
it('should change to the hidden interval when page is not visible', done => {
const HIDDEN_INTERVAL = 1500;
const interval = createDefaultSmartInterval({ hiddenInterval: HIDDEN_INTERVAL });
setTimeout(() => {
jasmine.clock().tick(DEFAULT_SHORT_TIMEOUT);
waitForPromises()
.then(() => {
expect(interval.state.intervalId).toBeTruthy();
expect(interval.getCurrentInterval() >= DEFAULT_STARTING_INTERVAL &&
interval.getCurrentInterval() <= DEFAULT_MAX_INTERVAL).toBeTruthy();
......@@ -151,14 +176,18 @@ describe('SmartInterval', function () {
expect(interval.state.intervalId).toBeTruthy();
expect(interval.getCurrentInterval()).toBe(HIDDEN_INTERVAL);
done();
}, DEFAULT_SHORT_TIMEOUT);
})
.then(done)
.catch(done.fail);
});
it('should resume when page is becomes visible at the previous interval', function (done) {
const interval = this.smartInterval;
setTimeout(() => {
jasmine.clock().tick(DEFAULT_SHORT_TIMEOUT);
waitForPromises()
.then(() => {
expect(interval.state.intervalId).toBeTruthy();
// simulates triggering of visibilitychange event
......@@ -170,20 +199,24 @@ describe('SmartInterval', function () {
interval.handleVisibilityChange({ target: { visibilityState: 'visible' } });
expect(interval.state.intervalId).toBeTruthy();
done();
}, DEFAULT_SHORT_TIMEOUT);
})
.then(done)
.catch(done.fail);
});
it('should cancel on page unload', function (done) {
const interval = this.smartInterval;
setTimeout(() => {
jasmine.clock().tick(DEFAULT_SHORT_TIMEOUT);
waitForPromises()
.then(() => {
$(document).triggerHandler('beforeunload');
expect(interval.state.intervalId).toBeUndefined();
expect(interval.getCurrentInterval()).toBe(interval.cfg.startingInterval);
done();
}, DEFAULT_SHORT_TIMEOUT);
})
.then(done)
.catch(done.fail);
});
it('should execute callback before first interval', function () {
......
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