I have a service whose function I'd like to test. However, I have no idea on how to mock a service function that is used inside each function in that service. I want to check, if the correct URL is called.
Here is my service:
angular.module("myModule").service('myService', MyService);
MyService.$inject = ['$http'];
function MyService($http) {
var myService = this;
myService.request = function (reqType, url, headers, requestBody, fnc, fncFail) {
$http(createRequest(reqType, point, headers, requestBody)).then(function (response) {
if (typeof fnc == 'function') {
fnc(response.data);
}
}, function (response) {
if (typeof fncFail == 'function') {
fncFail(response);
}
});
};
myService.getInfo = function (id, fnc, fncFail) {
myService.request("GET", "myURL", {"Accept":"application/json"}, null, function (data) {
fnc(data);
}, fncFail);
};
Now a snippet of my test suite:
beforeEach(inject(function ($injector) {
service = $injector.get("myService");
httpBackend = $injector.get("$httpBackend");
http = $injector.get("$http");
}));
it("function getInfo is called with the correct URL", function () {
spyOn(http, 'get').and.callThrough();
myService.getInfo(id, fnc, fncFail);
expect(http.get).toHaveBeenCalledWith("myurl");
httpBackend.flush();
});
I am not sure, if this is the correct approach to testing my method "getInfo" because it calls the other service function ("request").
Use $httpBackend
to expect XHR calls. With the following afterEach
block the test will fail if the call is not made.
afterEach(function() {
httpBackend.verifyNoOutstandingExpectation();
httpBackend.verifyNoOutstandingRequest();
});
it("function getInfo is called with the correct URL", function () {
httpBackend.expect('GET', "myurl").respond(200, {mocked: "response"});
myService.getInfo(id, fnc, fncFail);
httpBackend.flush();
});
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