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[Time Conductor] Test broadcast throttling

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This commit is contained in:
Victor Woeltjen 2015-10-02 16:38:32 -07:00
parent 431c74ca49
commit 669b434c36
1 changed files with 57 additions and 1 deletions
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58
platform/features/conductor/test/ConductorRepresenterSpec.js
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@ -47,7 +47,8 @@ define(
]; ];
describe("ConductorRepresenter", function () { describe("ConductorRepresenter", function () {
var mockConductorService, var mockThrottle,
mockConductorService,
mockCompile, mockCompile,
testViews, testViews,
mockScope, mockScope,
@ -67,6 +68,7 @@ define(
} }
beforeEach(function () { beforeEach(function () {
mockThrottle = jasmine.createSpy('throttle');
mockConductorService = jasmine.createSpyObj( mockConductorService = jasmine.createSpyObj(
'conductorService', 'conductorService',
['getConductor'] ['getConductor']
@ -88,8 +90,12 @@ define(
mockCompile.andReturn(mockCompiledTemplate); mockCompile.andReturn(mockCompiledTemplate);
mockCompiledTemplate.andReturn(mockNewElement); mockCompiledTemplate.andReturn(mockNewElement);
mockScope.$new.andReturn(mockNewScope); mockScope.$new.andReturn(mockNewScope);
mockThrottle.andCallFake(function (fn) {
return fn;
});
representer = new ConductorRepresenter( representer = new ConductorRepresenter(
mockThrottle,
mockConductorService, mockConductorService,
mockCompile, mockCompile,
testViews, testViews,
@ -154,6 +160,56 @@ define(
expect(mockConductor.displayEnd).toHaveBeenCalledWith(1984); expect(mockConductor.displayEnd).toHaveBeenCalledWith(1984);
}); });
describe("when bounds are changing", function () {
var mockThrottledFn = jasmine.createSpy('throttledFn'),
testBounds;
function fireThrottledFn() {
mockThrottle.mostRecentCall.args[0]();
}
beforeEach(function () {
mockThrottle.andReturn(mockThrottledFn);
representer.represent(testViews[0], {});
testBounds = { start: 0, end: 1000 };
mockNewScope.conductor.inner = testBounds;
mockConductor.displayStart.andCallFake(function () {
return testBounds.start;
});
mockConductor.displayEnd.andCallFake(function () {
return testBounds.end;
});
});
it("does not broadcast while bounds are changing", function () {
expect(mockScope.$broadcast).not.toHaveBeenCalled();
testBounds.start = 100;
fireWatch(mockNewScope, 'conductor.inner.start', testBounds.start);
testBounds.end = 500;
fireWatch(mockNewScope, 'conductor.inner.end', testBounds.end);
fireThrottledFn();
testBounds.start = 200;
fireWatch(mockNewScope, 'conductor.inner.start', testBounds.start);
testBounds.end = 400;
fireWatch(mockNewScope, 'conductor.inner.end', testBounds.end);
fireThrottledFn();
expect(mockScope.$broadcast).not.toHaveBeenCalled();
});
it("does broadcast when bounds have stabilized", function () {
expect(mockScope.$broadcast).not.toHaveBeenCalled();
testBounds.start = 100;
fireWatch(mockNewScope, 'conductor.inner.start', testBounds.start);
testBounds.end = 500;
fireWatch(mockNewScope, 'conductor.inner.end', testBounds.end);
fireThrottledFn();
fireWatch(mockNewScope, 'conductor.inner.start', testBounds.start);
fireWatch(mockNewScope, 'conductor.inner.end', testBounds.end);
fireThrottledFn();
expect(mockScope.$broadcast).toHaveBeenCalled();
});
});
}); });
} }
); );