test: add wallet-summary reducer tests

__tests__/actions/WalletSummary.test.js

@@ -2,7 +2,14 @@
 
 import configureStore from 'redux-mock-store';
 
-import { LOAD_WALLET_SUMMARY, loadWalletSummary } from '../../app/redux/modules/wallet';
+import {
+  LOAD_WALLET_SUMMARY,
+  LOAD_WALLET_SUMMARY_SUCCESS,
+  LOAD_WALLET_SUMMARY_ERROR,
+  loadWalletSummary,
+  loadWalletSummarySuccess,
+  loadWalletSummaryError,
+} from '../../app/redux/modules/wallet';
 
 const store = configureStore()();
 
@@ -18,4 +25,36 @@ describe('WalletSummary Actions', () => {
       }),
     );
   });
+
+  test('should create an action to load wallet summary', () => {
+    const payload = {
+      total: 5000,
+      transparent: 5000,
+      shielded: 5000,
+    };
+
+    store.dispatch(loadWalletSummarySuccess(payload));
+
+    expect(store.getActions()[0]).toEqual(
+      expect.objectContaining({
+        type: LOAD_WALLET_SUMMARY_SUCCESS,
+        payload,
+      }),
+    );
+  });
+
+  test('should create an action to load wallet summary with error', () => {
+    const payload = {
+      error: 'Something went wrong!',
+    };
+
+    store.dispatch(loadWalletSummaryError(payload));
+
+    expect(store.getActions()[0]).toEqual(
+      expect.objectContaining({
+        type: LOAD_WALLET_SUMMARY_ERROR,
+        payload,
+      }),
+    );
+  });
 });

__tests__/reducers/WalletSummary.test.js

@@ -1,9 +1,20 @@
 // @flow
-import walletSummaryReducer, { LOAD_WALLET_SUMMARY } from '../../app/redux/modules/wallet';
+import walletSummaryReducer, {
+  LOAD_WALLET_SUMMARY,
+  LOAD_WALLET_SUMMARY_SUCCESS,
+  LOAD_WALLET_SUMMARY_ERROR,
+} from '../../app/redux/modules/wallet';
 
 describe('WalletSummary Reducer', () => {
   test('should return the valid initial state', () => {
-    const initialState = [];
+    const initialState = {
+      total: 0,
+      shielded: 0,
+      transparent: 0,
+      error: null,
+      isLoading: false,
+      dollarValue: 0,
+    };
     const action = {
       type: 'UNKNOWN_ACTION',
       payload: {},
@@ -28,4 +39,42 @@ describe('WalletSummary Reducer', () => {
 
     expect(walletSummaryReducer(undefined, action)).toEqual(expectedState);
   });
+
+  test('should load the wallet summary with success', () => {
+    const action = {
+      type: LOAD_WALLET_SUMMARY_SUCCESS,
+      payload: {
+        total: 1000,
+        transparent: 1000,
+        shielded: 1000,
+      },
+    };
+    const expectedState = {
+      ...action.payload,
+      error: null,
+      isLoading: false,
+      dollarValue: 0,
+    };
+
+    expect(walletSummaryReducer(undefined, action)).toEqual(expectedState);
+  });
+
+  test('should load the wallet summary with error', () => {
+    const action = {
+      type: LOAD_WALLET_SUMMARY_ERROR,
+      payload: {
+        error: 'Something went wrong',
+      },
+    };
+    const expectedState = {
+      total: 0,
+      shielded: 0,
+      transparent: 0,
+      error: action.payload.error,
+      isLoading: false,
+      dollarValue: 0,
+    };
+
+    expect(walletSummaryReducer(undefined, action)).toEqual(expectedState);
+  });
 });