99 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			99 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
import {describe, it, expect, beforeEach, ddescribe, iit, xit, el,
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  SpyObject, AsyncTestCompleter, inject, IS_DARTIUM} from 'angular2/test_lib';
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import {ObservableWrapper, Observable, ObservableController, PromiseWrapper} from 'angular2/src/facade/async';
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export function main() {
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  describe('Observable', () => {
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    var obs:Observable;
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    var controller:ObservableController;
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    beforeEach(() => {
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      controller = ObservableWrapper.createController();
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      obs = ObservableWrapper.createObservable(controller);
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    });
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    it("should call the next callback",  inject([AsyncTestCompleter], (async) => {
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      ObservableWrapper.subscribe(obs, (value) => {
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        expect(value).toEqual(99);
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        async.done();
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      });
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      ObservableWrapper.callNext(controller, 99);
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    }));
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    it("should call the throw callback", inject([AsyncTestCompleter], (async) => {
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      ObservableWrapper.subscribe(obs, (_) => {}, (error) => {
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        expect(error).toEqual("Boom");
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        async.done();
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      });
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      ObservableWrapper.callThrow(controller, "Boom");
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    }));
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    it("should call the return callback", inject([AsyncTestCompleter], (async) => {
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      ObservableWrapper.subscribe(obs, (_) => {}, (_) => {}, () => {
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        async.done();
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      });
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      ObservableWrapper.callReturn(controller);
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    }));
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    it("should subscribe to the wrapper asynchronously", () => {
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      var called = false;
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      ObservableWrapper.subscribe(obs, (value) => {
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        called = true;
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      });
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      ObservableWrapper.callNext(controller, 99);
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      expect(called).toBe(false);
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    });
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    if (!IS_DARTIUM) {
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      // See here: https://github.com/jhusain/observable-spec
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      describe("Generator", () => {
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        var generator;
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        beforeEach(() => {
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          generator = new SpyObject();
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          generator.spy("next");
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          generator.spy("throw");
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          generator.spy("return");
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        });
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        it("should call next on the given generator",  inject([AsyncTestCompleter], (async) => {
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          generator.spy("next").andCallFake((value) => {
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            expect(value).toEqual(99);
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            async.done();
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          });
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          ObservableWrapper.subscribe(obs, generator);
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          ObservableWrapper.callNext(controller, 99);
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        }));
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        it("should call throw on the given generator", inject([AsyncTestCompleter], (async) => {
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          generator.spy("throw").andCallFake((error) => {
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            expect(error).toEqual("Boom");
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            async.done();
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          });
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          ObservableWrapper.subscribe(obs, generator);
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          ObservableWrapper.callThrow(controller, "Boom");
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        }));
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        it("should call return on the given generator", inject([AsyncTestCompleter], (async) => {
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          generator.spy("return").andCallFake(() => {
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            async.done();
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          });
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          ObservableWrapper.subscribe(obs, generator);
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          ObservableWrapper.callReturn(controller);
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        }));
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      });
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    }
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    //TODO: vsavkin: add tests cases
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    //should call dispose on the subscription if generator returns {done:true}
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    //should call dispose on the subscription on throw
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    //should call dispose on the subscription on return
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 });
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}
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//make sure rx observables are async
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