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File Content

define(['imageRotationService'], function () {
'use strict';

describe("Image Rotation Service", function () {
var service,
qMock,
deferredMock;

beforeEach(function () {
module('angularTemplateApp');

qMock = jasmine.createSpyObj('$q', ['defer']);
deferredMock = jasmine.createSpyObj('deferred', ['resolve']);

deferredMock.promise = 'This is a promise';

qMock.defer.and.returnValue(deferredMock);

module(function ($provide) {
$provide.value('$q', qMock);
});

inject(function (imageRotationService) {
service = imageRotationService;
});
});

describe("getRotateClass", function () {
var orientation;

beforeEach(function () {
spyOn(service, 'getOrientation').and.callFake(function (file, callback) {
callback(orientation);
});
});

it("should return a promise", function () {
expect(service.getRotateClass()).toEqual('This is a promise');
});

it("should call getOrientation with the given file", function () {
service.getRotateClass('image-blob');

expect(service.getOrientation.calls.argsFor(0)[0]).toEqual('image-blob');
});

it("should resolve to an empty string if the orientation is not recognized", function () {
orientation = -1;

service.getRotateClass('image-blob');

expect(deferredMock.resolve).toHaveBeenCalledWith('');
});

it("should resolve to 'rotate-180' if the orientation is 3", function () {
orientation = 3;

service.getRotateClass('image-blob');

expect(deferredMock.resolve).toHaveBeenCalledWith('rotate-180');
});

it("should resolve to 'rotate-90-right' if the orientation is 6", function () {
orientation = 6;

service.getRotateClass('image-blob');

expect(deferredMock.resolve).toHaveBeenCalledWith('rotate-90-right');
});

it("should resolve to 'rotate-90-left' if the orientation is 8", function () {
orientation = 8;

service.getRotateClass('image-blob');

expect(deferredMock.resolve).toHaveBeenCalledWith('rotate-90-left');
});
});
});
});