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BackBone.js MCQs

BackboneJS test with jasmine if parameters are passed to fetch?

describe("People collection" function() { var people = Backbone.Collection.extend({ }); function searchPeople(people, data ) { people.fetch(data); } it("must verify the fetch parameters!", function(){ var param = {data : {gender : 'male'}}; spyOn(people, 'fetch').andReturn(); // Warning: this makes the call synchronous, Fetch actually won't go through! searchPeople(people, param); expect(people.fetch).toHaveBeenCalled(); expect(people.fetch).toHaveBeenCalledWith(param); }); });

var Todo = Backbone.Model.extend({}); var todo1 = new Todo(); console.log(JSON.stringify(todo11)); var todo = new Todo({ title: 'Check the attributes of both model instances in the console.', completed: true });

var myCollection = new Collection(); myCollection.url = this.model.url() + '/feed'; myCollection.fetch();

All of the above

Answer

Correct Answer: describe("People collection" function() { var people = Backbone.Collection.extend({ }); function searchPeople(people, data ) { people.fetch(data); } it("must verify the fetch parameters!", function(){ var param = {data : {gender : 'male'}}; spyOn(people, 'fetch').andReturn(); // Warning: this makes the call synchronous, Fetch actually won't go through! searchPeople(people, param); expect(people.fetch).toHaveBeenCalled(); expect(people.fetch).toHaveBeenCalledWith(param); }); });

Explanation:

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