621 lines
21 KiB
JavaScript
621 lines
21 KiB
JavaScript
describe("QueueRunner", function() {
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it("runs all the functions it's passed", function() {
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var calls = [],
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queueableFn1 = { fn: jasmine.createSpy('fn1') },
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queueableFn2 = { fn: jasmine.createSpy('fn2') },
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queueRunner = new jasmineUnderTest.QueueRunner({
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queueableFns: [queueableFn1, queueableFn2]
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});
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queueableFn1.fn.and.callFake(function() {
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calls.push('fn1');
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});
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queueableFn2.fn.and.callFake(function() {
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calls.push('fn2');
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});
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queueRunner.execute();
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expect(calls).toEqual(['fn1', 'fn2']);
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});
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it("runs cleanup functions after the others", function() {
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var calls = [],
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queueableFn1 = { fn: jasmine.createSpy('fn1') },
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queueableFn2 = { fn: jasmine.createSpy('fn2') },
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queueRunner = new jasmineUnderTest.QueueRunner({
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queueableFns: [queueableFn1],
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cleanupFns: [queueableFn2]
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});
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queueableFn1.fn.and.callFake(function() {
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calls.push('fn1');
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});
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queueableFn2.fn.and.callFake(function() {
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calls.push('fn2');
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});
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queueRunner.execute();
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expect(calls).toEqual(['fn1', 'fn2']);
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});
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it("calls each function with a consistent 'this'-- an empty object", function() {
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var queueableFn1 = { fn: jasmine.createSpy('fn1') },
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queueableFn2 = { fn: jasmine.createSpy('fn2') },
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queueableFn3 = { fn: function(done) { asyncContext = this; done(); } },
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queueRunner = new jasmineUnderTest.QueueRunner({
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queueableFns: [queueableFn1, queueableFn2, queueableFn3]
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}),
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asyncContext;
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queueRunner.execute();
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var context = queueableFn1.fn.calls.first().object;
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expect(context).toEqual(new jasmineUnderTest.UserContext());
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expect(queueableFn2.fn.calls.first().object).toBe(context);
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expect(asyncContext).toBe(context);
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});
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describe("with an asynchronous function", function() {
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beforeEach(function() {
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jasmine.clock().install();
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});
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afterEach(function() {
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jasmine.clock().uninstall();
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});
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it("supports asynchronous functions, only advancing to next function after a done() callback", function() {
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//TODO: it would be nice if spy arity could match the fake, so we could do something like:
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//createSpy('asyncfn').and.callFake(function(done) {});
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var onComplete = jasmine.createSpy('onComplete'),
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beforeCallback = jasmine.createSpy('beforeCallback'),
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fnCallback = jasmine.createSpy('fnCallback'),
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afterCallback = jasmine.createSpy('afterCallback'),
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queueableFn1 = { fn: function(done) {
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beforeCallback();
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setTimeout(done, 100);
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} },
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queueableFn2 = { fn: function(done) {
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fnCallback();
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setTimeout(done, 100);
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} },
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queueableFn3 = { fn: function(done) {
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afterCallback();
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setTimeout(done, 100);
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} },
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queueRunner = new jasmineUnderTest.QueueRunner({
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queueableFns: [queueableFn1, queueableFn2, queueableFn3],
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onComplete: onComplete
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});
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queueRunner.execute();
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expect(beforeCallback).toHaveBeenCalled();
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expect(fnCallback).not.toHaveBeenCalled();
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expect(afterCallback).not.toHaveBeenCalled();
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expect(onComplete).not.toHaveBeenCalled();
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jasmine.clock().tick(100);
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expect(fnCallback).toHaveBeenCalled();
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expect(afterCallback).not.toHaveBeenCalled();
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expect(onComplete).not.toHaveBeenCalled();
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jasmine.clock().tick(100);
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expect(afterCallback).toHaveBeenCalled();
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expect(onComplete).not.toHaveBeenCalled();
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jasmine.clock().tick(100);
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expect(onComplete).toHaveBeenCalled();
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});
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it("explicitly fails an async function with a provided fail function and moves to the next function", function() {
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var queueableFn1 = { fn: function(done) {
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setTimeout(function() { done.fail('foo'); }, 100);
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} },
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queueableFn2 = { fn: jasmine.createSpy('fn2') },
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failFn = jasmine.createSpy('fail'),
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queueRunner = new jasmineUnderTest.QueueRunner({
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queueableFns: [queueableFn1, queueableFn2],
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fail: failFn
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});
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queueRunner.execute();
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expect(failFn).not.toHaveBeenCalled();
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expect(queueableFn2.fn).not.toHaveBeenCalled();
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jasmine.clock().tick(100);
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expect(failFn).toHaveBeenCalledWith('foo');
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expect(queueableFn2.fn).toHaveBeenCalled();
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});
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it("sets a timeout if requested for asynchronous functions so they don't go on forever", function() {
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var timeout = 3,
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beforeFn = { fn: function(done) { }, type: 'before', timeout: function() { return timeout; } },
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queueableFn = { fn: jasmine.createSpy('fn'), type: 'queueable' },
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onComplete = jasmine.createSpy('onComplete'),
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onException = jasmine.createSpy('onException'),
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queueRunner = new jasmineUnderTest.QueueRunner({
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queueableFns: [beforeFn, queueableFn],
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onComplete: onComplete,
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onException: onException
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});
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queueRunner.execute();
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expect(queueableFn.fn).not.toHaveBeenCalled();
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jasmine.clock().tick(timeout);
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expect(onException).toHaveBeenCalledWith(jasmine.any(Error));
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expect(queueableFn.fn).toHaveBeenCalled();
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expect(onComplete).toHaveBeenCalled();
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});
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it("by default does not set a timeout for asynchronous functions", function() {
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var beforeFn = { fn: function(done) { } },
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queueableFn = { fn: jasmine.createSpy('fn') },
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onComplete = jasmine.createSpy('onComplete'),
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onException = jasmine.createSpy('onException'),
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queueRunner = new jasmineUnderTest.QueueRunner({
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queueableFns: [beforeFn, queueableFn],
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onComplete: onComplete,
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onException: onException,
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});
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queueRunner.execute();
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expect(queueableFn.fn).not.toHaveBeenCalled();
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jasmine.clock().tick(jasmineUnderTest.DEFAULT_TIMEOUT_INTERVAL);
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expect(onException).not.toHaveBeenCalled();
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expect(queueableFn.fn).not.toHaveBeenCalled();
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expect(onComplete).not.toHaveBeenCalled();
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});
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it("clears the timeout when an async function throws an exception, to prevent additional exception reporting", function() {
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var queueableFn = { fn: function(done) { throw new Error("error!"); } },
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onComplete = jasmine.createSpy('onComplete'),
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onException = jasmine.createSpy('onException'),
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queueRunner = new jasmineUnderTest.QueueRunner({
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queueableFns: [queueableFn],
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onComplete: onComplete,
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onException: onException
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});
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queueRunner.execute();
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expect(onComplete).toHaveBeenCalled();
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expect(onException).toHaveBeenCalled();
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jasmine.clock().tick(jasmineUnderTest.DEFAULT_TIMEOUT_INTERVAL);
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expect(onException.calls.count()).toEqual(1);
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});
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it("clears the timeout when the done callback is called", function() {
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var queueableFn = { fn: function(done) { done(); } },
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onComplete = jasmine.createSpy('onComplete'),
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onException = jasmine.createSpy('onException'),
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queueRunner = new jasmineUnderTest.QueueRunner({
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queueableFns: [queueableFn],
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onComplete: onComplete,
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onException: onException
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});
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queueRunner.execute();
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jasmine.clock().tick(1);
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expect(onComplete).toHaveBeenCalled();
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jasmine.clock().tick(jasmineUnderTest.DEFAULT_TIMEOUT_INTERVAL);
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expect(onException).not.toHaveBeenCalled();
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});
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it("only moves to the next spec the first time you call done", function() {
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var queueableFn = { fn: function(done) {done(); done();} },
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nextQueueableFn = { fn: jasmine.createSpy('nextFn') },
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queueRunner = new jasmineUnderTest.QueueRunner({
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queueableFns: [queueableFn, nextQueueableFn]
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});
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queueRunner.execute();
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jasmine.clock().tick(1);
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expect(nextQueueableFn.fn.calls.count()).toEqual(1);
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});
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it("does not move to the next spec if done is called after an exception has ended the spec", function() {
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var queueableFn = { fn: function(done) {
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setTimeout(done, 1);
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throw new Error('error!');
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} },
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nextQueueableFn = { fn: jasmine.createSpy('nextFn') },
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queueRunner = new jasmineUnderTest.QueueRunner({
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queueableFns: [queueableFn, nextQueueableFn]
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});
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queueRunner.execute();
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jasmine.clock().tick(1);
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expect(nextQueueableFn.fn.calls.count()).toEqual(1);
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});
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it("should return a null when you call done", function () {
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// Some promises want handlers to return anything but undefined to help catch "forgotten returns".
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var doneReturn,
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queueableFn = { fn: function(done) {
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doneReturn = done();
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} },
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queueRunner = new jasmineUnderTest.QueueRunner({
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queueableFns: [queueableFn]
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});
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queueRunner.execute();
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expect(doneReturn).toBe(null);
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});
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it("continues running functions when an exception is thrown in async code without timing out", function() {
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var queueableFn = { fn: function(done) { throwAsync(); }, timeout: function() { return 1; } },
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nextQueueableFn = { fn: jasmine.createSpy("nextFunction") },
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onException = jasmine.createSpy('onException'),
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globalErrors = { pushListener: jasmine.createSpy('pushListener'), popListener: jasmine.createSpy('popListener') },
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queueRunner = new jasmineUnderTest.QueueRunner({
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queueableFns: [queueableFn, nextQueueableFn],
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onException: onException,
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globalErrors: globalErrors
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}),
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throwAsync = function() {
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globalErrors.pushListener.calls.mostRecent().args[0](new Error('foo'));
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jasmine.clock().tick(2);
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};
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nextQueueableFn.fn.and.callFake(function() {
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// should remove the same function that was added
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expect(globalErrors.popListener).toHaveBeenCalledWith(globalErrors.pushListener.calls.argsFor(1)[0]);
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});
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queueRunner.execute();
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function errorWithMessage(message) {
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return {
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asymmetricMatch: function(other) {
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return new RegExp(message).test(other.message);
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},
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toString: function() {
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return '<Error with message like "' + message + '">';
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}
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};
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}
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expect(onException).not.toHaveBeenCalledWith(errorWithMessage(/DEFAULT_TIMEOUT_INTERVAL/));
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expect(onException).toHaveBeenCalledWith(errorWithMessage(/^foo$/));
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expect(nextQueueableFn.fn).toHaveBeenCalled();
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});
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it("handles exceptions thrown while waiting for the stack to clear", function() {
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var queueableFn = { fn: function(done) { done() } },
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global = {},
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errorListeners = [],
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globalErrors = {
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pushListener: function(f) { errorListeners.push(f); },
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popListener: function() { errorListeners.pop(); }
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},
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clearStack = jasmine.createSpy('clearStack'),
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onException = jasmine.createSpy('onException'),
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queueRunner = new jasmineUnderTest.QueueRunner({
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queueableFns: [queueableFn],
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globalErrors: globalErrors,
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clearStack: clearStack,
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onException: onException
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}),
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error = new Error('nope');
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queueRunner.execute();
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jasmine.clock().tick();
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expect(clearStack).toHaveBeenCalled();
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expect(errorListeners.length).toEqual(1);
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errorListeners[0](error);
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clearStack.calls.argsFor(0)[0]();
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expect(onException).toHaveBeenCalledWith(error);
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});
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});
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describe("with a function that returns a promise", function() {
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function StubPromise() {}
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StubPromise.prototype.then = function(resolve, reject) {
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this.resolveHandler = resolve;
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this.rejectHandler = reject;
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};
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beforeEach(function() {
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jasmine.clock().install();
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});
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afterEach(function() {
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jasmine.clock().uninstall();
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});
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it("runs the function asynchronously, advancing once the promise is settled", function() {
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var onComplete = jasmine.createSpy('onComplete'),
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fnCallback = jasmine.createSpy('fnCallback'),
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p1 = new StubPromise(),
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p2 = new StubPromise(),
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queueableFn1 = { fn: function() {
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setTimeout(function() {
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p1.resolveHandler();
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}, 100);
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return p1;
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} };
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queueableFn2 = { fn: function() {
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fnCallback();
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setTimeout(function() {
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p2.resolveHandler();
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}, 100);
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return p2;
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} },
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queueRunner = new jasmineUnderTest.QueueRunner({
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queueableFns: [queueableFn1, queueableFn2],
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onComplete: onComplete
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});
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queueRunner.execute();
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expect(fnCallback).not.toHaveBeenCalled();
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expect(onComplete).not.toHaveBeenCalled();
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jasmine.clock().tick(100);
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expect(fnCallback).toHaveBeenCalled();
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expect(onComplete).not.toHaveBeenCalled();
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jasmine.clock().tick(100);
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expect(onComplete).toHaveBeenCalled();
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});
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it("handles a rejected promise like an unhandled exception", function() {
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var promise = new StubPromise(),
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queueableFn1 = { fn: function() {
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setTimeout(function() {
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promise.rejectHandler('foo')
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}, 100);
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return promise;
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} },
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queueableFn2 = { fn: jasmine.createSpy('fn2') },
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failFn = jasmine.createSpy('fail'),
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onExceptionCallback = jasmine.createSpy('on exception callback'),
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queueRunner = new jasmineUnderTest.QueueRunner({
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queueableFns: [queueableFn1, queueableFn2],
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onException: onExceptionCallback
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});
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queueRunner.execute();
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expect(onExceptionCallback).not.toHaveBeenCalled();
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expect(queueableFn2.fn).not.toHaveBeenCalled();
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jasmine.clock().tick(100);
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expect(onExceptionCallback).toHaveBeenCalledWith('foo');
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expect(queueableFn2.fn).toHaveBeenCalled();
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});
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});
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it("calls exception handlers when an exception is thrown in a fn", function() {
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var queueableFn = { type: 'queueable',
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fn: function() {
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throw new Error('fake error');
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} },
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onExceptionCallback = jasmine.createSpy('on exception callback'),
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queueRunner = new jasmineUnderTest.QueueRunner({
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queueableFns: [queueableFn],
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onException: onExceptionCallback
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});
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queueRunner.execute();
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expect(onExceptionCallback).toHaveBeenCalledWith(jasmine.any(Error));
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});
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it("rethrows an exception if told to", function() {
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var queueableFn = { fn: function() {
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throw new Error('fake error');
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} },
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queueRunner = new jasmineUnderTest.QueueRunner({
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queueableFns: [queueableFn],
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catchException: function(e) { return false; }
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});
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expect(function() {
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queueRunner.execute();
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}).toThrowError('fake error');
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});
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it("continues running the functions even after an exception is thrown in an async spec", function() {
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var queueableFn = { fn: function(done) { throw new Error("error"); } },
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nextQueueableFn = { fn: jasmine.createSpy("nextFunction") },
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queueRunner = new jasmineUnderTest.QueueRunner({
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queueableFns: [queueableFn, nextQueueableFn]
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});
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queueRunner.execute();
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expect(nextQueueableFn.fn).toHaveBeenCalled();
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});
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describe("When configured to complete on first error", function() {
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it("skips to cleanup functions on the first exception", function() {
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var queueableFn = { fn: function() { throw new Error("error"); } },
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nextQueueableFn = { fn: jasmine.createSpy("nextFunction") },
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cleanupFn = { fn: jasmine.createSpy("cleanup") },
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queueRunner = new jasmineUnderTest.QueueRunner({
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queueableFns: [queueableFn, nextQueueableFn],
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cleanupFns: [cleanupFn],
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completeOnFirstError: true
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});
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queueRunner.execute();
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expect(nextQueueableFn.fn).not.toHaveBeenCalled();
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expect(cleanupFn.fn).toHaveBeenCalled();
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});
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it("does not skip when a cleanup function throws", function() {
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var queueableFn = { fn: function() { } },
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cleanupFn1 = { fn: function() { throw new Error("error"); } },
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cleanupFn2 = { fn: jasmine.createSpy("cleanupFn2") },
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queueRunner = new jasmineUnderTest.QueueRunner({
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queueableFns: [queueableFn],
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cleanupFns: [cleanupFn1, cleanupFn2],
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completeOnFirstError: true
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});
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queueRunner.execute();
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expect(cleanupFn2.fn).toHaveBeenCalled();
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});
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describe("with an asynchronous function", function() {
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beforeEach(function() {
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jasmine.clock().install();
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});
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afterEach(function() {
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jasmine.clock().uninstall();
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});
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it("skips to cleanup functions on the first exception", function() {
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var errorListeners = [],
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queueableFn = { fn: function(done) {} },
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nextQueueableFn = { fn: jasmine.createSpy('nextFunction') },
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cleanupFn = { fn: jasmine.createSpy('cleanup') },
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queueRunner = new jasmineUnderTest.QueueRunner({
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globalErrors: {
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pushListener: function(f) { errorListeners.push(f); },
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popListener: function() { errorListeners.pop(); },
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},
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queueableFns: [queueableFn, nextQueueableFn],
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cleanupFns: [cleanupFn],
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completeOnFirstError: true,
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});
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queueRunner.execute();
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errorListeners[errorListeners.length - 1](new Error('error'));
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expect(nextQueueableFn.fn).not.toHaveBeenCalled();
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expect(cleanupFn.fn).toHaveBeenCalled();
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});
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it("skips to cleanup functions when next.fail is called", function() {
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var queueableFn = { fn: function(done) {
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done.fail('nope');
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} },
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nextQueueableFn = { fn: jasmine.createSpy('nextFunction') },
|
|
cleanupFn = { fn: jasmine.createSpy('cleanup') },
|
|
queueRunner = new jasmineUnderTest.QueueRunner({
|
|
queueableFns: [queueableFn, nextQueueableFn],
|
|
cleanupFns: [cleanupFn],
|
|
completeOnFirstError: true,
|
|
});
|
|
|
|
queueRunner.execute();
|
|
jasmine.clock().tick();
|
|
expect(nextQueueableFn.fn).not.toHaveBeenCalled();
|
|
expect(cleanupFn.fn).toHaveBeenCalled();
|
|
});
|
|
});
|
|
});
|
|
|
|
it("calls a provided complete callback when done", function() {
|
|
var queueableFn = { fn: jasmine.createSpy('fn') },
|
|
completeCallback = jasmine.createSpy('completeCallback'),
|
|
queueRunner = new jasmineUnderTest.QueueRunner({
|
|
queueableFns: [queueableFn],
|
|
onComplete: completeCallback
|
|
});
|
|
|
|
queueRunner.execute();
|
|
|
|
expect(completeCallback).toHaveBeenCalled();
|
|
});
|
|
|
|
describe("clearing the stack", function() {
|
|
beforeEach(function() {
|
|
jasmine.clock().install();
|
|
});
|
|
|
|
afterEach(function() {
|
|
jasmine.clock().uninstall();
|
|
});
|
|
|
|
it("calls a provided stack clearing function when done", function() {
|
|
var asyncFn = { fn: function(done) { done() } },
|
|
afterFn = { fn: jasmine.createSpy('afterFn') },
|
|
completeCallback = jasmine.createSpy('completeCallback'),
|
|
clearStack = jasmine.createSpy('clearStack'),
|
|
queueRunner = new jasmineUnderTest.QueueRunner({
|
|
queueableFns: [asyncFn, afterFn],
|
|
clearStack: clearStack,
|
|
onComplete: completeCallback
|
|
});
|
|
|
|
clearStack.and.callFake(function(fn) { fn(); });
|
|
|
|
queueRunner.execute();
|
|
jasmine.clock().tick();
|
|
expect(afterFn.fn).toHaveBeenCalled();
|
|
expect(clearStack).toHaveBeenCalled();
|
|
clearStack.calls.argsFor(0)[0]();
|
|
expect(completeCallback).toHaveBeenCalled();
|
|
});
|
|
});
|
|
|
|
describe('when user context has not been defined', function() {
|
|
beforeEach(function() {
|
|
var fn;
|
|
|
|
this.fn = fn = jasmine.createSpy('fn1');
|
|
this.queueRunner = new jasmineUnderTest.QueueRunner({
|
|
queueableFns: [{ fn: fn }]
|
|
});
|
|
});
|
|
|
|
it('runs the functions on the scope of a UserContext', function() {
|
|
var calls = [],
|
|
context;
|
|
|
|
this.fn.and.callFake(function() {
|
|
context = this;
|
|
});
|
|
|
|
this.queueRunner.execute();
|
|
|
|
expect(context.constructor).toBe(jasmineUnderTest.UserContext);
|
|
});
|
|
});
|
|
|
|
describe('when user context has been defined', function() {
|
|
beforeEach(function() {
|
|
var fn, context;
|
|
|
|
this.fn = fn = jasmine.createSpy('fn1');
|
|
this.context = context = new jasmineUnderTest.UserContext();
|
|
this.queueRunner = new jasmineUnderTest.QueueRunner({
|
|
queueableFns: [{ fn: fn }],
|
|
userContext: context
|
|
});
|
|
});
|
|
|
|
it('runs the functions on the scope of a UserContext', function() {
|
|
var calls = [],
|
|
context;
|
|
this.fn.and.callFake(function() {
|
|
context = this;
|
|
});
|
|
|
|
this.queueRunner.execute();
|
|
|
|
expect(context).toBe(this.context);
|
|
});
|
|
});
|
|
});
|