complete unit testing of redux and api layers

webclient/src/store/server/server.selectors.spec.ts

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+import { Selectors } from './server.selectors';
+import { ServerState } from './server.interfaces';
+import {
+  makeDeckList,
+  makeReplayMatch,
+  makeServerState,
+  makeUser,
+} from './__mocks__/server-fixtures';
+import { StatusEnum } from 'types';
+
+function rootState(server: ServerState) {
+  return { server };
+}
+
+describe('Selectors', () => {
+  it('getInitialized → returns initialized flag', () => {
+    const state = makeServerState({ initialized: true });
+    expect(Selectors.getInitialized(rootState(state))).toBe(true);
+  });
+
+  it('getConnectOptions → returns connectOptions', () => {
+    const connectOptions = { host: 'localhost', port: '4747' };
+    const state = makeServerState({ connectOptions });
+    expect(Selectors.getConnectOptions(rootState(state))).toBe(connectOptions);
+  });
+
+  it('getMessage → returns info.message', () => {
+    const state = makeServerState({ info: { message: 'Welcome!', name: null, version: null } });
+    expect(Selectors.getMessage(rootState(state))).toBe('Welcome!');
+  });
+
+  it('getName → returns info.name', () => {
+    const state = makeServerState({ info: { message: null, name: 'Servatrice', version: null } });
+    expect(Selectors.getName(rootState(state))).toBe('Servatrice');
+  });
+
+  it('getVersion → returns info.version', () => {
+    const state = makeServerState({ info: { message: null, name: null, version: '2.9.0' } });
+    expect(Selectors.getVersion(rootState(state))).toBe('2.9.0');
+  });
+
+  it('getDescription → returns status.description', () => {
+    const state = makeServerState({ status: { state: StatusEnum.CONNECTED, description: 'ok' } });
+    expect(Selectors.getDescription(rootState(state))).toBe('ok');
+  });
+
+  it('getState → returns status.state', () => {
+    const state = makeServerState({ status: { state: StatusEnum.LOGGED_IN, description: null } });
+    expect(Selectors.getState(rootState(state))).toBe(StatusEnum.LOGGED_IN);
+  });
+
+  it('getUser → returns user', () => {
+    const user = makeUser({ name: 'Alice' });
+    const state = makeServerState({ user });
+    expect(Selectors.getUser(rootState(state))).toBe(user);
+  });
+
+  it('getUsers → returns users array', () => {
+    const users = [makeUser(), makeUser({ name: 'Bob' })];
+    const state = makeServerState({ users });
+    expect(Selectors.getUsers(rootState(state))).toBe(users);
+  });
+
+  it('getLogs → returns logs object', () => {
+    const logs = { room: [], game: [], chat: [] };
+    const state = makeServerState({ logs });
+    expect(Selectors.getLogs(rootState(state))).toBe(logs);
+  });
+
+  it('getBuddyList → returns buddyList', () => {
+    const buddyList = [makeUser({ name: 'Carol' })];
+    const state = makeServerState({ buddyList });
+    expect(Selectors.getBuddyList(rootState(state))).toBe(buddyList);
+  });
+
+  it('getIgnoreList → returns ignoreList', () => {
+    const ignoreList = [makeUser({ name: 'Dave' })];
+    const state = makeServerState({ ignoreList });
+    expect(Selectors.getIgnoreList(rootState(state))).toBe(ignoreList);
+  });
+
+  it('getReplays → returns replays', () => {
+    const replays = [makeReplayMatch()];
+    const state = makeServerState({ replays });
+    expect(Selectors.getReplays(rootState(state))).toBe(replays);
+  });
+
+  it('getBackendDecks → returns backendDecks', () => {
+    const backendDecks = makeDeckList();
+    const state = makeServerState({ backendDecks });
+    expect(Selectors.getBackendDecks(rootState(state))).toBe(backendDecks);
+  });
+
+  it('getBackendDecks → returns null when not set', () => {
+    const state = makeServerState({ backendDecks: null });
+    expect(Selectors.getBackendDecks(rootState(state))).toBeNull();
+  });
+});