95 lines
3.1 KiB
JavaScript
95 lines
3.1 KiB
JavaScript
describe("GlobalErrors", function() {
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it("calls the added handler on error", function() {
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var fakeGlobal = { onerror: null },
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handler = jasmine.createSpy('errorHandler'),
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errors = new jasmineUnderTest.GlobalErrors(fakeGlobal);
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errors.install();
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errors.pushListener(handler);
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fakeGlobal.onerror('foo');
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expect(handler).toHaveBeenCalledWith('foo');
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});
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it("only calls the most recent handler", function() {
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var fakeGlobal = { onerror: null },
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handler1 = jasmine.createSpy('errorHandler1'),
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handler2 = jasmine.createSpy('errorHandler2'),
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errors = new jasmineUnderTest.GlobalErrors(fakeGlobal);
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errors.install();
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errors.pushListener(handler1);
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errors.pushListener(handler2);
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fakeGlobal.onerror('foo');
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expect(handler1).not.toHaveBeenCalled();
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expect(handler2).toHaveBeenCalledWith('foo');
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});
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it("calls previous handlers when one is removed", function() {
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var fakeGlobal = { onerror: null },
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handler1 = jasmine.createSpy('errorHandler1'),
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handler2 = jasmine.createSpy('errorHandler2'),
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errors = new jasmineUnderTest.GlobalErrors(fakeGlobal);
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errors.install();
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errors.pushListener(handler1);
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errors.pushListener(handler2);
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errors.popListener();
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fakeGlobal.onerror('foo');
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expect(handler1).toHaveBeenCalledWith('foo');
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expect(handler2).not.toHaveBeenCalled();
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});
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it("uninstalls itself, putting back a previous callback", function() {
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var originalCallback = jasmine.createSpy('error'),
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fakeGlobal = { onerror: originalCallback },
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errors = new jasmineUnderTest.GlobalErrors(fakeGlobal);
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expect(fakeGlobal.onerror).toBe(originalCallback);
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errors.install();
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expect(fakeGlobal.onerror).not.toBe(originalCallback);
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errors.uninstall();
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expect(fakeGlobal.onerror).toBe(originalCallback);
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});
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it("works in node.js", function() {
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var fakeGlobal = {
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process: {
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on: jasmine.createSpy('process.on'),
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removeListener: jasmine.createSpy('process.removeListener'),
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listeners: jasmine.createSpy('process.listeners').and.returnValue(['foo']),
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removeAllListeners: jasmine.createSpy('process.removeAllListeners')
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}
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},
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handler = jasmine.createSpy('errorHandler'),
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errors = new jasmineUnderTest.GlobalErrors(fakeGlobal);
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errors.install();
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expect(fakeGlobal.process.on).toHaveBeenCalledWith('uncaughtException', jasmine.any(Function));
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expect(fakeGlobal.process.listeners).toHaveBeenCalledWith('uncaughtException');
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expect(fakeGlobal.process.removeAllListeners).toHaveBeenCalledWith('uncaughtException');
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errors.pushListener(handler);
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var addedListener = fakeGlobal.process.on.calls.argsFor(0)[1];
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addedListener(new Error('bar'));
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expect(handler).toHaveBeenCalledWith(new Error('bar'));
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errors.uninstall();
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expect(fakeGlobal.process.removeListener).toHaveBeenCalledWith('uncaughtException', addedListener);
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expect(fakeGlobal.process.on).toHaveBeenCalledWith('uncaughtException', 'foo');
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});
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});
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