Update tests

src/utils/ipcLocale.test.js

@@ -11,18 +11,45 @@ describe('ipcLocale', () => {
   const i18n = {
     changeLanguage: spy(),
     on: spy(),
+    language: '',
   };
 
   describe('init', () => {
     beforeEach(() => {
       delete window.ipc;
     });
-    it('calling init when ipc is not on window should do nothing', () => {
-      ipcLocale.init();
+
+    it('calling init when ipc is not on window does not call ipc', () => {
+      ipcLocale.init(i18n);
       expect(ipc.on).to.not.have.been.calledWith();
       expect(ipc.send).to.not.have.been.calledWith();
     });
 
+    it('calling init when ipc is not on window saves locale in browser when there is no locale in i18n', () => {
+      window.localStorage.getItem = () => 'en';
+
+      ipcLocale.init(i18n);
+      expect(ipc.on).to.not.have.been.calledWith();
+      expect(ipc.send).to.not.have.been.calledWith();
+
+      expect(i18n.changeLanguage).to.have.been.calledWith('en');
+    });
+
+    it('calling init when ipc is not on window saves locale in browser when there is no locale in localStorage', () => {
+      window.localStorage.getItem = () => '';
+      i18n.language = 'de';
+
+      ipcLocale.init(i18n);
+      expect(i18n.changeLanguage).to.have.been.calledWith('de');
+    });
+
+    it('calling init when ipc is not on window saves locale in browser when there is no locale saved at all', () => {
+      window.localStorage.getItem = () => '';
+
+      ipcLocale.init(i18n);
+      expect(i18n.changeLanguage).to.have.been.calledWith('en');
+    });
+
     it('should be a function', () => {
       expect(typeof ipcLocale.init).to.be.equal('function');
     });
@@ -33,5 +60,13 @@ describe('ipcLocale', () => {
       expect(ipc.on).to.have.been.calledWith();
       expect(i18n.on).to.have.been.calledWith();
     });
+
+    it('calling init when ipc is available and there is no locale in i18n will make a request for locale ', () => {
+      window.ipc = ipc;
+      i18n.language = '';
+
+      ipcLocale.init(i18n);
+      expect(ipc.send).to.have.been.calledWith('request-locale');
+    });
   });
 });