Created unit tests for leaderboardDataReducer.

Author: aaryaneil

src/reducers/__tests__/leaderboardDataReducer.test.js

@@ -0,0 +1,53 @@
+import { leaderboardDataReducer } from '../leaderboardDataReducer';
+
+describe('leaderboardDataReducer', () => {
+  it('should return default state when no action is passed', () => {
+    const initialState = [];
+    const newState = leaderboardDataReducer(undefined, {});
+    expect(newState).toEqual(initialState);
+  });
+
+  it('should return updated state when GET_LEADERBOARD_DATA action is passed', () => {
+    const action = {
+      type: 'GET_LEADERBOARD_DATA',
+      payload: [{ name: 'John', score: 100 }, { name: 'Doe', score: 90 }],
+    };
+    const newState = leaderboardDataReducer([], action);
+    expect(newState).toEqual(action.payload);
+  });
+
+  it('should not mutate state when unknown action type is passed', () => {
+    const initialState = [{ name: 'John', score: 100 }];
+    const action = { type: 'UNKNOWN_ACTION', payload: [] };
+    const newState = leaderboardDataReducer(initialState, action);
+    expect(newState).toEqual(initialState);
+  });
+});
+
+
+
+import { orgDataReducer } from '../leaderboardDataReducer';
+
+describe('orgDataReducer', () => {
+  it('should return default state when no action is passed', () => {
+    const initialState = {};
+    const newState = orgDataReducer(undefined, {});
+    expect(newState).toEqual(initialState);
+  });
+
+  it('should return updated state when GET_ORG_DATA action is passed', () => {
+    const action = {
+      type: 'GET_ORG_DATA',
+      payload: { id: 1, name: 'Organization' },
+    };
+    const newState = orgDataReducer({}, action);
+    expect(newState).toEqual(action.payload);
+  });
+
+  it('should not mutate state when unknown action type is passed', () => {
+    const initialState = { id: 1, name: 'Organization' };
+    const action = { type: 'UNKNOWN_ACTION', payload: {} };
+    const newState = orgDataReducer(initialState, action);
+    expect(newState).toEqual(initialState);
+  });
+});