test(system): add cases

Author: xom9ikk

jest.setup.js

@@ -1,3 +1,4 @@
 jest.mock('@/i18n', () => ({
   t: (v) => v,
+  changeLanguage: () => {},
 }));

src/plugins/storage.ts

@@ -10,7 +10,6 @@ interface IStorage {
 
 class Storage implements IStorage {
   setLanguage(language: EnumLanguage) {
-    console.log('set lss lang', language);
     return Storage.set('language', language);
   }
 

src/store/sagas/auth.spec.ts

@@ -71,6 +71,10 @@ describe('Auth saga flow', () => {
     };
 
     return expectSaga(watchAuth, authService)
+      .provide([
+        [matchers.apply.fn(storage.setToken), undefined],
+        [matchers.apply.fn(storage.setRefreshToken), undefined],
+      ])
       .dispatch(AuthActions.setAuthInfo(actionPayload))
       .call(storage.setToken, actionPayload.token)
       .call(storage.setRefreshToken, actionPayload.refreshToken)

src/store/sagas/system.spec.ts

@@ -0,0 +1,37 @@
+import { expectSaga } from 'redux-saga-test-plan';
+import * as matchers from 'redux-saga-test-plan/matchers';
+
+import { watchSystem } from '@store/sagas/system';
+import { SystemActions } from '@store/actions';
+import { EnumLanguage } from '@type/entities';
+import i18n from '@/i18n';
+import { storage } from '@plugins/storage';
+import { LANGUAGE_CODES } from '@/constants';
+
+describe('System saga flow', () => {
+  it('set language', () => {
+    const mockData = EnumLanguage.French;
+
+    return expectSaga(watchSystem)
+      .provide([
+        [matchers.apply.fn(storage.setLanguage), {
+          data: mockData,
+        }],
+      ])
+      .dispatch(SystemActions.setLanguage(mockData))
+      .apply(i18n, i18n.changeLanguage, [LANGUAGE_CODES[mockData]])
+      .apply(storage, storage.setLanguage, [mockData])
+      .silentRun();
+  });
+  it('fetch language', () => {
+    const mockData = EnumLanguage.French;
+
+    return expectSaga(watchSystem)
+      .provide([
+        [matchers.apply.fn(storage.getLanguage), mockData],
+      ])
+      .dispatch(SystemActions.fetchLanguage())
+      .put(SystemActions.setLanguage(mockData))
+      .silentRun();
+  });
+});