Adding unit tests for lib/shared #3600
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| var assert = require('assert'); | ||
| var sinon = require('sinon'); | ||
| var jsdom_global = require('jsdom-global'); | ||
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| var canvasMockify = require('./canvas-mock'); | ||
| var Activator = require('../lib/shared/Activator'); | ||
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| describe('Activator', function () { | ||
| beforeEach(function() { | ||
| this.jsdom_global = jsdom_global( | ||
| "<div id='mynetwork'></div>", | ||
| { skipWindowCheck: true} | ||
| ); | ||
| canvasMockify(window); | ||
| this.container = document.getElementById('mynetwork'); | ||
| }); | ||
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| afterEach(function() { | ||
| this.jsdom_global(); | ||
| this.container.remove(); | ||
| this.container = undefined; | ||
| }); | ||
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| describe('constructor', function () { | ||
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| it('sets defaults', function () { | ||
| var activator = new Activator(this.container); | ||
| assert.equal(activator.active, false); | ||
| }); | ||
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| it('creates overlay', function () { | ||
| var activator = new Activator(this.container); | ||
| assert.equal(activator.dom.container.children[0].className, 'vis-overlay'); | ||
| }); | ||
| }); | ||
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| describe('activate', function () { | ||
| it('emits an `activate` event', function () { | ||
| var eventSpy = sinon.spy(); | ||
| var activator = new Activator(this.container); | ||
| activator.on('activate', eventSpy); | ||
| activator.activate(); | ||
| assert.equal(activator.active, true); | ||
| assert(eventSpy.called, 'Event did not fire.'); | ||
| assert(eventSpy.calledOnce, 'Event fired more than once'); | ||
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There was a problem hiding this comment. I sort of half understand what There was a problem hiding this comment. In this case |
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| }); | ||
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| it('emits a `change` event', function () { | ||
| var eventSpy = sinon.spy(); | ||
| var activator = new Activator(this.container); | ||
| activator.on('change', eventSpy); | ||
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There was a problem hiding this comment. I can't help noticing in the code that What about consecutive same calls, e.g. If this is not documented, I would consider this faultly. Please give it some thought. There was a problem hiding this comment. I'm not sure what to do about this, but would also consider it outside the scope of this particular issue. I agree with you, but don't know the impact of making corrective changes. Would you like me to open an issue to investigate? |
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| activator.activate(); | ||
| assert.equal(activator.active, true); | ||
| assert(eventSpy.called, 'Event did not fire.'); | ||
| assert(eventSpy.calledOnce, 'Event fired more than once'); | ||
| }); | ||
| }); | ||
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| describe('deactivate', function () { | ||
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There was a problem hiding this comment. Describe-block is practically identical to the There was a problem hiding this comment. I think drying it would muddy the test state, or make the tests more complex. |
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| it('emits a `deactivate` event', function () { | ||
| var eventSpy = sinon.spy(); | ||
| var activator = new Activator(this.container); | ||
| activator.on('deactivate', eventSpy); | ||
| activator.deactivate(); | ||
| assert.equal(activator.active, false); | ||
| assert(eventSpy.called, 'Event did not fire.'); | ||
| assert(eventSpy.calledOnce, 'Event fired more than once'); | ||
| }); | ||
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| it('emits a `change` event', function () { | ||
| var eventSpy = sinon.spy(); | ||
| var activator = new Activator(this.container); | ||
| activator.on('change', eventSpy); | ||
| activator.deactivate(); | ||
| assert.equal(activator.active, false); | ||
| assert(eventSpy.called, 'Event did not fire.'); | ||
| assert(eventSpy.calledOnce, 'Event fired more than once'); | ||
| }); | ||
| }); | ||
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| describe('destroy', function () { | ||
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| it('sets inactive, removes keycharm, and removes hammer', function () { | ||
| var activator = new Activator(this.container); | ||
| activator.destroy(); | ||
| assert.equal(activator.active, false); | ||
| assert.equal(activator.keycharm, null); | ||
| assert.equal(activator.hammer, null); | ||
| }); | ||
| }); | ||
| }); | ||
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RIP, you useless code!