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106 lines
3.0 KiB
JavaScript
106 lines
3.0 KiB
JavaScript
describe("handlers", function(){
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describe("when adding a handler", function(){
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var handlers, handler, setHandleredHandler, ctx;
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beforeEach(function(){
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handlers = new Wreqr.Handlers();
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spyOn(handlers, "trigger");
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ctx = {};
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setHandleredHandler = jasmine.createSpy("a setHandlered handler");
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handlers.setHandler("foo", setHandleredHandler, ctx);
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handler = handlers.getHandler("foo");
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handler();
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});
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it("should trigger a handler:add event", function(){
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expect(handlers.trigger).toHaveBeenCalledWith("handler:add", "foo", setHandleredHandler, ctx);
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});
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});
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describe("when requesting a handler by name", function(){
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describe("and a handler has been setHandlered with that name", function(){
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var handler, setHandleredHandler, ctx;
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beforeEach(function(){
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var handlers = new Wreqr.Handlers();
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ctx = {};
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setHandleredHandler = jasmine.createSpy("a setHandlered handler");
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handlers.setHandler("handler", setHandleredHandler, ctx);
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handler = handlers.getHandler("handler");
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handler();
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});
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it("should return the setHandlered handler callback", function(){
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expect(setHandleredHandler).toHaveBeenCalled();
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});
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it("should return the setHandlered handler context", function(){
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expect(setHandleredHandler.mostRecentCall.object).toBe(ctx);
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});
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});
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describe("and a handler has not been setHandlered with that name", function(){
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var handlers, handle;
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beforeEach(function(){
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handlers = new Wreqr.Handlers();
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handle = handlers.getHandler();
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});
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it("should thrown an error saying a handler was not found", function(){
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expect(handle).toBeUndefined;
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});
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});
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});
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describe("when removing a named handler", function(){
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var handlers, setHandleredHandler, ctx, handle;
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beforeEach(function(){
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handlers = new Wreqr.Handlers();
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ctx = {};
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setHandleredHandler = jasmine.createSpy("a setHandlered handler");
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handlers.setHandler("handler", setHandleredHandler, ctx);
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handlers.removeHandler("handler");
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handle = handlers.getHandler("handler");
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});
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it("should no longer return the requested hander", function(){
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expect(handle).toBeUndefined;
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});
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});
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describe("when removing all handlers", function(){
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var handlers, setHandleredHandler, ctx, handle1, handle2;
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beforeEach(function(){
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handlers = new Wreqr.Handlers();
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ctx = {};
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setHandleredHandler = jasmine.createSpy("a setHandlered handler");
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handlers.setHandler("handler1", setHandleredHandler, ctx);
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handlers.setHandler("handler2", setHandleredHandler, ctx);
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handlers.removeAllHandlers();
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handle1 = handlers.getHandler("handler1");
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handle2 = handlers.getHandler("handler2");
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});
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it("should no longer return the requested handler", function(){
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expect(handle1).toBeUndefined;
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expect(handle2).toBeUndefined;
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});
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});
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});
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