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clean up 'debug' logic in pubsub. add tests for pubsub. Element shoul…
…d have width=100% if not specified.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,74 @@ | ||
| import * as pubsub from '../src/components/lib/pubsub.js'; | ||
| const PrivateMessageBus = pubsub.PrivateMessageBus; | ||
| const PubSub = pubsub.PubSub; | ||
|
|
||
| describe( "PubSub Module", () => { | ||
| it("should have a global bus", ()=>{ | ||
| PubSub.global.publish.should.be.a.Function; | ||
| PubSub.global.subscribe.should.be.a.Function; | ||
| PubSub.global.last.should.be.a.Function; | ||
| PubSub.global.clearLast.should.be.a.Function; | ||
| PubSub.global.clearAllCallbacks.should.be.a.Function; | ||
| PubSub.global.clearTopicCallbacks.should.be.a.Function; | ||
| }); | ||
| it("should have local busses, bound to html elements", ()=>{ | ||
| var elem = document.createElement("div"); | ||
| var bus = new PrivateMessageBus(elem); | ||
| bus.should.be.an.instanceOf(PrivateMessageBus); | ||
| }); | ||
| it("should implement a private message bus bound to an HTML element", ()=>{ | ||
| var elem = document.createElement("div"); | ||
| new PrivateMessageBus(elem); | ||
| var privateTestValue = null; | ||
| PubSub.subscribe("test", (value)=>{ privateTestValue = value; }, elem) | ||
| PubSub.publish("test", "value", elem); | ||
| (String(privateTestValue)).should.equal("value"); | ||
| }); | ||
| it("should allow users to supply a 'debug' parameter when instantiating the bus", ()=>{ | ||
| var oldDebug = console.debug; | ||
| var called = false; | ||
| console.debug = function(){ called = true; oldDebug.apply(console, arguments); } | ||
| var elem = document.createElement("div"); | ||
| new PrivateMessageBus(elem, true); | ||
| PubSub.publish("test", "value", elem); | ||
| called.should.equal(true); | ||
| console.debug = oldDebug; | ||
| }); | ||
| it("should users to set a 'debug' attribute on the global bus", ()=>{ | ||
| var oldDebug = console.debug; | ||
| var called = false; | ||
| console.debug = function(){ called = true; oldDebug.apply(console, arguments); } | ||
| PubSub.global.setDebug(true); | ||
| PubSub.global.publish("test", "value"); | ||
| called.should.equal(true); | ||
| console.debug = oldDebug; | ||
| }); | ||
| it("should implement a global message bus in the module scope", ()=>{ | ||
| var globalTestValue = null; | ||
| PubSub.global.subscribe("test", (value)=>{ globalTestValue = value; }) | ||
| PubSub.publish("test", "value"); | ||
| (String(globalTestValue)).should.equal("value"); | ||
| }); | ||
| it("should not 'hear' local bus events on the global bus", ()=>{ | ||
| var elem = document.createElement("div"); | ||
| new PrivateMessageBus(elem, true); | ||
| var privateTestValue = null; | ||
| var globalTestValue = null; | ||
| PubSub.subscribe("test", (value)=>{ privateTestValue = value; }, elem) | ||
| PubSub.global.subscribe("test", (value)=>{ globalTestValue = value; }) | ||
| PubSub.publish("test", "value", elem); | ||
| (String(privateTestValue)).should.equal("value"); | ||
| (String(globalTestValue)).should.equal("null"); | ||
| }); | ||
| it("should not 'hear' global bus events on the local bus", ()=>{ | ||
| var elem = document.createElement("div"); | ||
| new PrivateMessageBus(elem, true); | ||
| var privateTestValue = null; | ||
| var globalTestValue = null; | ||
| PubSub.subscribe("test", (value)=>{ privateTestValue = value; }, elem) | ||
| PubSub.global.subscribe("test", (value)=>{ globalTestValue = value; }) | ||
| PubSub.global.publish("test", "value"); | ||
| (String(privateTestValue)).should.equal("null"); | ||
| (String(globalTestValue)).should.equal("value"); | ||
| }); | ||
| }) |