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techiediaries/spyOnStringUpperCase.js

Created September 25, 2018 19:29
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spyOnStringUpperCase.js
it("should be able to upper case a string", function () {
var spytoUpperCase = spyOn(String.prototype, 'toUpperCase').and.callThrough();
expect(utils.toUpperCase).toBeDefined();
expect(utils.toUpperCase("hello world")).toEqual("HELLO WORLD");
expect(String.prototype.toUpperCase).toHaveBeenCalled();
expect(spytoUpperCase.calls.count()).toEqual(1);
});
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