Implement login action using matrix-js-sdk

Change-Id: Ie8e69cc995c86a90bf73e74b13e063f957aa2bce

tests/features/home/redux/login.test.js

@@ -0,0 +1,97 @@
+import configureMockStore from 'redux-mock-store';
+import thunk from 'redux-thunk';
+import nock from 'nock';
+
+import {
+  HOME_LOGIN_BEGIN,
+  HOME_LOGIN_SUCCESS,
+  HOME_LOGIN_FAILURE,
+  HOME_LOGIN_DISMISS_ERROR,
+} from '../../../../src/features/home/redux/constants';
+
+import {
+  login,
+  dismissLoginError,
+  reducer,
+} from '../../../../src/features/home/redux/login';
+
+const middlewares = [thunk];
+const mockStore = configureMockStore(middlewares);
+
+describe('home/redux/login', () => {
+  afterEach(() => {
+    nock.cleanAll();
+  });
+
+  it('dispatches success action when login succeeds', () => {
+    const store = mockStore({});
+
+    return store.dispatch(login())
+      .then(() => {
+        const actions = store.getActions();
+        expect(actions[0]).toHaveProperty('type', HOME_LOGIN_BEGIN);
+        expect(actions[1]).toHaveProperty('type', HOME_LOGIN_SUCCESS);
+      });
+  });
+
+  it('dispatches failure action when login fails', () => {
+    const store = mockStore({});
+
+    return store.dispatch(login({ error: true }))
+      .catch(() => {
+        const actions = store.getActions();
+        expect(actions[0]).toHaveProperty('type', HOME_LOGIN_BEGIN);
+        expect(actions[1]).toHaveProperty('type', HOME_LOGIN_FAILURE);
+        expect(actions[1]).toHaveProperty('data.error', expect.anything());
+      });
+  });
+
+  it('returns correct action by dismissLoginError', () => {
+    const expectedAction = {
+      type: HOME_LOGIN_DISMISS_ERROR,
+    };
+    expect(dismissLoginError()).toEqual(expectedAction);
+  });
+
+  it('handles action type HOME_LOGIN_BEGIN correctly', () => {
+    const prevState = { loginPending: false };
+    const state = reducer(
+      prevState,
+      { type: HOME_LOGIN_BEGIN }
+    );
+    expect(state).not.toBe(prevState); // should be immutable
+    expect(state.loginPending).toBe(true);
+  });
+
+  it('handles action type HOME_LOGIN_SUCCESS correctly', () => {
+    const prevState = { loginPending: true };
+    const state = reducer(
+      prevState,
+      { type: HOME_LOGIN_SUCCESS, data: {} }
+    );
+    expect(state).not.toBe(prevState); // should be immutable
+    expect(state.loginPending).toBe(false);
+  });
+
+  it('handles action type HOME_LOGIN_FAILURE correctly', () => {
+    const prevState = { loginPending: true };
+    const state = reducer(
+      prevState,
+      { type: HOME_LOGIN_FAILURE, data: { error: new Error('some error') } }
+    );
+    expect(state).not.toBe(prevState); // should be immutable
+    expect(state.loginPending).toBe(false);
+    expect(state.loginError).toEqual(expect.anything());
+  });
+
+  it('handles action type HOME_LOGIN_DISMISS_ERROR correctly', () => {
+    const prevState = { loginError: new Error('some error') };
+    const state = reducer(
+      prevState,
+      { type: HOME_LOGIN_DISMISS_ERROR }
+    );
+    expect(state).not.toBe(prevState); // should be immutable
+    expect(state.loginError).toBe(null);
+  });
+});
+