jasmine/spec/suites/WaitsForBlockSpec.js

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2010-06-05 14:32:41 +00:00
describe('WaitsForBlock', function () {
var env, suite, timeout, spec, message, onComplete, fakeTimer;
beforeEach(function() {
env = new jasmine.Env();
env.updateInterval = 0;
suite = new jasmine.Suite(env, 'suite 1');
timeout = 1000;
spec = new jasmine.Spec(env, suite);
message = "some error message";
onComplete = jasmine.createSpy("onComplete");
});
it('onComplete should be called if the latchFunction returns true', function () {
var latchFunction = function() {
return true;
};
var block = new jasmine.WaitsForBlock(env, timeout, latchFunction, message, spec);
expect(onComplete).wasNotCalled();
block.execute(onComplete);
expect(onComplete).toHaveBeenCalled();
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});
it('latchFunction should run in same scope as spec', function () {
var result;
var latchFunction = function() {
result = this.scopedValue;
};
spec.scopedValue = 'foo';
var block = new jasmine.WaitsForBlock(env, timeout, latchFunction, message, spec);
block.execute(onComplete);
expect(result).toEqual('foo');
});
it('should fail spec and call onComplete if there is an error in the latchFunction', function() {
var latchFunction = jasmine.createSpy('latchFunction').andThrow('some error');
spyOn(spec, 'fail');
var block = new jasmine.WaitsForBlock(env, timeout, latchFunction, message, spec);
block.execute(onComplete);
expect(spec.fail).toHaveBeenCalledWith('some error');
expect(onComplete).toHaveBeenCalled();
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});
describe("if latchFunction returns false", function() {
var latchFunction, fakeTimer;
beforeEach(function() {
latchFunction = jasmine.createSpy('latchFunction').andReturn(false);
fakeTimer = new jasmine.FakeTimer();
env.setTimeout = fakeTimer.setTimeout;
env.clearTimeout = fakeTimer.clearTimeout;
env.setInterval = fakeTimer.setInterval;
env.clearInterval = fakeTimer.clearInterval;
});
it('latchFunction should be retried after 100 ms', function () {
var block = new jasmine.WaitsForBlock(env, timeout, latchFunction, message, spec);
expect(latchFunction).wasNotCalled();
block.execute(onComplete);
expect(latchFunction.callCount).toEqual(1);
fakeTimer.tick(50);
expect(latchFunction.callCount).toEqual(1);
fakeTimer.tick(50);
expect(latchFunction.callCount).toEqual(2);
});
it('onComplete should be called if latchFunction returns true before timeout', function () {
var block = new jasmine.WaitsForBlock(env, timeout, latchFunction, message, spec);
expect(onComplete).wasNotCalled();
block.execute(onComplete);
expect(onComplete).wasNotCalled();
latchFunction.andReturn(true);
fakeTimer.tick(100);
expect(onComplete).toHaveBeenCalled();
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});
it('spec should fail with the passed message if the timeout is reached (and not call onComplete)', function () {
spyOn(spec, 'fail');
var block = new jasmine.WaitsForBlock(env, timeout, latchFunction, message, spec);
block.execute(onComplete);
expect(spec.fail).wasNotCalled();
fakeTimer.tick(timeout);
expect(spec.fail).toHaveBeenCalled();
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var failMessage = spec.fail.mostRecentCall.args[0].message;
expect(failMessage).toMatch(message);
expect(onComplete).wasNotCalled();
});
});
});