chore: add tests and migrate RootEnum

app/actions/app.ts

@@ -1,6 +1,6 @@
 import { Action } from 'redux';
 
-import { TRootEnum } from '../definitions';
+import { RootEnum } from '../definitions';
 import { APP } from './actionsTypes';
 
 export const ROOT_OUTSIDE = 'outside';
@@ -9,7 +9,7 @@ export const ROOT_LOADING = 'loading';
 export const ROOT_SET_USERNAME = 'setUsername';
 
 interface IAppStart extends Action {
-	root: TRootEnum;
+	root: RootEnum;
 	text?: string;
 }
 
@@ -19,7 +19,7 @@ interface ISetMasterDetail extends Action {
 
 export type TActionApp = IAppStart & ISetMasterDetail;
 
-export function appStart({ root, ...args }: { root: TRootEnum }): IAppStart {
+export function appStart({ root, ...args }: { root: RootEnum }): IAppStart {
 	return {
 		type: APP.START,
 		root,

app/definitions/redux/TRootEnum.ts

@@ -1,6 +1,6 @@
-export type TRootEnum = {
-	ROOT_OUTSIDE: 'outside';
-	ROOT_INSIDE: 'inside';
-	ROOT_LOADING: 'loading';
-	ROOT_SET_USERNAME: 'setUsername';
-};
+export enum RootEnum {
+	ROOT_OUTSIDE = 'outside',
+	ROOT_INSIDE = 'inside',
+	ROOT_LOADING = 'loading',
+	ROOT_SET_USERNAME = 'setUsername'
+}

app/reducers/app.test.ts

@@ -0,0 +1,44 @@
+import { appStart, appInit, setMasterDetail } from '../actions/app';
+import { initialState } from './app';
+import { mockedStore } from './mockedStore';
+import { RootEnum } from '../definitions';
+import { APP_STATE } from '../actions/actionsTypes';
+
+describe('test reducer', () => {
+	it('should return initial state', () => {
+		const state = mockedStore.getState().app;
+		expect(state).toEqual(initialState);
+	});
+
+	it('should return root state after dispatch appStart action', () => {
+		mockedStore.dispatch(appStart({ root: RootEnum.ROOT_INSIDE }));
+		const { root } = mockedStore.getState().app;
+		expect(root).toEqual(RootEnum.ROOT_INSIDE);
+	});
+
+	it('should return ready state after dispatch appInit action', () => {
+		mockedStore.dispatch(appInit());
+		const { ready } = mockedStore.getState().app;
+		expect(ready).toEqual(false);
+	});
+
+	it('should return ready state after dispatch setMasterDetail action', () => {
+		mockedStore.dispatch(setMasterDetail(false));
+		const { isMasterDetail } = mockedStore.getState().app;
+		expect(isMasterDetail).toEqual(false);
+	});
+
+	it('should return correct state after app go to foreground', () => {
+		mockedStore.dispatch({ type: APP_STATE.FOREGROUND });
+		const { foreground, background } = mockedStore.getState().app;
+		expect(foreground).toEqual(true);
+		expect(background).toEqual(false);
+	});
+
+	it('should return correct state after app go to background', () => {
+		mockedStore.dispatch({ type: APP_STATE.BACKGROUND });
+		const { foreground, background } = mockedStore.getState().app;
+		expect(foreground).toEqual(false);
+		expect(background).toEqual(true);
+	});
+});

app/reducers/app.ts

@@ -1,9 +1,9 @@
 import { TActionApp } from '../actions/app';
-import { TRootEnum } from '../definitions';
+import { RootEnum } from '../definitions';
 import { APP, APP_STATE } from '../actions/actionsTypes';
 
 export interface IApp {
-	root?: TRootEnum;
+	root?: RootEnum;
 	isMasterDetail: boolean;
 	text?: string;
 	ready: boolean;
@@ -11,7 +11,7 @@ export interface IApp {
 	background: boolean;
 }
 
-const initialState: IApp = {
+export const initialState: IApp = {
 	root: undefined,
 	isMasterDetail: false,
 	text: undefined,