translator.service.spec.ts
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import {ComponentFixture} from 'ng-forward/cjs/testing/test-component-builder';
import {provide} from 'ng-forward';
import {TranslatorService} from './translator.service';
import * as helpers from "../../../spec/helpers";
describe("Services", () => {
describe("Translator Service", () => {
let $rootScope: ng.IScope;
let $q: ng.IQService;
beforeEach(inject((_$rootScope_: ng.IRootScopeService, _$q_: ng.IQService) => {
$rootScope = _$rootScope_;
$q = _$q_;
}));
function createComponent() {
return new TranslatorService(
<any>helpers.mocks.$translate,
<any>helpers.mocks.tmhDynamicLocale,
<any>helpers.mocks.amMoment,
<any>helpers.mocks.angularLoad,
$rootScope
);
}
it("set available languages when change language", (done) => {
let component: TranslatorService = createComponent();
component.availableLanguages = null;
expect(component.availableLanguages).toBeNull();
$rootScope.$emit("$translateChangeSuccess");
expect(component.availableLanguages).not.toBeNull();
done();
});
it("change the language", (done) => {
let component: TranslatorService = createComponent();
let loadScripPromise = $q.defer();
loadScripPromise.resolve();
component["angularLoad"].loadScript = jasmine.createSpy("loadScript").and.returnValue(loadScripPromise.promise);
component["tmhDynamicLocale"].set = jasmine.createSpy("set");
component["tmhDynamicLocale"].get = jasmine.createSpy("get").and.returnValue("en");
component["$translate"].use = jasmine.createSpy("use");
component.changeLanguage('pt');
$rootScope.$digest();
expect(component["angularLoad"].loadScript).toHaveBeenCalledWith("/bower_components/moment/locale/pt.js");
expect(component["tmhDynamicLocale"].set).toHaveBeenCalledWith("pt");
expect(component["$translate"].use).toHaveBeenCalledWith("pt");
done();
});
it("do not load moment locale when change the language to english", (done) => {
let component: TranslatorService = createComponent();
component["angularLoad"].loadScript = jasmine.createSpy("loadScript").and.returnValue($q.defer().promise);
component.changeLanguage('en');
expect(component["angularLoad"].loadScript).not.toHaveBeenCalledWith("/bower_components/moment/locale/pt.js");
done();
});
it("do nothing when call change language with null", (done) => {
let component: TranslatorService = createComponent();
component["angularLoad"].loadScript = jasmine.createSpy("loadScript");
component["tmhDynamicLocale"].set = jasmine.createSpy("set");
component["$translate"].use = jasmine.createSpy("use");
component.changeLanguage(null);
expect(component["angularLoad"].loadScript).not.toHaveBeenCalled();
expect(component["tmhDynamicLocale"].set).not.toHaveBeenCalled();
expect(component["$translate"].use).not.toHaveBeenCalled();
done();
});
it("return the current language used by the translator", (done) => {
let component: TranslatorService = createComponent();
component["$translate"].use = jasmine.createSpy("use").and.returnValue("en");
expect(component.currentLanguage()).toEqual("en");
expect(component["$translate"].use).toHaveBeenCalled();
done();
});
it("call translate service when translate a text", (done) => {
let component: TranslatorService = createComponent();
component["$translate"].instant = jasmine.createSpy("instant");
component.translate("text");
expect(component["$translate"].instant).toHaveBeenCalledWith("text");
done();
});
it("change the language when receive an event", (done) => {
let component: TranslatorService = createComponent();
component.changeLanguage = jasmine.createSpy("changeLanguage");
$rootScope.$emit("$localeChangeSuccess");
expect(component.changeLanguage).toHaveBeenCalled();
done();
});
it("use the translate language when receive a change language event and there is no language previously selected", (done) => {
let component: TranslatorService = createComponent();
component.changeLanguage = jasmine.createSpy("changeLanguage");
component["tmhDynamicLocale"].get = jasmine.createSpy("get").and.returnValue(null);
component["$translate"].use = jasmine.createSpy("use").and.returnValue("en");
$rootScope.$emit("$localeChangeSuccess");
expect(component["$translate"].use).toHaveBeenCalled();
expect(component.changeLanguage).toHaveBeenCalledWith("en");
done();
});
});
});