How do I unit-test a factory that uses $window.localStorage internally using Jasmine and ngMock?
Here's something similar to what I have:
myApp.factory('myData',function ($window) {
return {
message: $window.localStorage['stuff']
}
});
Thanks a bunch!
The following works with Jasmine 2.4:
angular.module('MyModule', []).factory('myData',function ($window) {
return {
message: function(){
return $window.localStorage['stuff'] ;
}
}
});
describe("TestName", function() {
beforeEach(module('MyModule'));
var myData, store;
beforeEach(inject(function(_myData_) {
myData = _myData_;
store = {};
var localStorage = window.localStorage;
spyOn(localStorage, 'getItem').and.callFake(function (key) {
return store[key];
});
spyOn(localStorage, 'setItem').and.callFake(function (key, value) {
return store[key] = value + '';
});
spyOn(localStorage, 'clear').and.callFake(function () {
store = {};
});
}));
it("feature desc", function() {
localStorage['stuff'] = 'hello';
expect(myData.message()).toEqual('hello');
});
});
Note use of the _myData_ underscore trick (see docs).
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