adds unit tests for reet level endpoint

backend/test/unit/controller/resetController.test.ts

@@ -1,9 +1,13 @@
 import { expect, test, jest, afterEach, describe } from '@jest/globals';
 import { Response } from 'express';
 
-import { handleResetProgress } from '@src/controller/resetController';
+import {
+	handleResetLevel,
+	handleResetProgress,
+} from '@src/controller/resetController';
 import { defaultDefences } from '@src/defaultDefences';
 import { LevelGetRequest } from '@src/models/api/LevelGetRequest';
+import { LevelResetRequest } from '@src/models/api/LevelResetRequest';
 import { defaultChatModel } from '@src/models/chat';
 import { LEVEL_NAMES } from '@src/models/level';
 
@@ -158,3 +162,98 @@ describe('reset progress', () => {
 		expect(mockSend).toHaveBeenCalledWith('Invalid level');
 	});
 });
+
+describe('reset level', () => {
+	test.each(Object.values(LEVEL_NAMES))(
+		`GIVEN level [%s] WHEN client asks to reset level progress THEN sent messages and emails are cleared AND the backend sends an info message`,
+		(level) => {
+			const req = {
+				query: {
+					level,
+				},
+				session: {
+					levelState: [
+						{
+							sentEmails: 'level 1 emails',
+							chatHistory: 'level 1 chat history',
+							defences: 'level 1 defences',
+						},
+						{
+							sentEmails: 'level 2 emails',
+							chatHistory: 'level 2 chat history',
+							defences: 'level 2 defences',
+						},
+						{
+							sentEmails: 'level 3 emails',
+							chatHistory: 'level 3 chat history',
+							defences: 'level 3 defences',
+						},
+						{
+							sentEmails: 'level 4 emails',
+							chatHistory: 'level 4 chat history',
+							defences: 'level 4 defences',
+						},
+					],
+					chatModel: 'chat model',
+				},
+			} as unknown as LevelResetRequest;
+			const res = responseMock();
+
+			handleResetLevel(req, res);
+
+			expect(req.session.levelState[level].chatHistory).toEqual([]);
+			expect(req.session.levelState[level].sentEmails).toEqual([]);
+
+			expect(mockSend).toHaveBeenCalledWith({
+				resultingChatMessage: {
+					infoMessage: 'Level progress reset',
+					chatMessageType: 'RESET_LEVEL',
+				},
+			});
+		}
+	);
+
+	test('WHEN client does not provide a level THEN the backend responds with BadRequest', () => {
+		const req = {
+			query: {},
+			session: {
+				levelState: [
+					{},
+					{
+						sentEmails: [],
+						chatHistory: [],
+						defences: [],
+					},
+				],
+			},
+		} as unknown as LevelResetRequest;
+		const res = responseMock();
+
+		handleResetLevel(req, res);
+
+		expect(res.status).toHaveBeenCalledWith(400);
+		expect(mockSend).toHaveBeenCalledWith('Level not provided');
+	});
+
+	test('WHEN client provides an invalid level THEN the backend responds with BadRequest', () => {
+		const req = {
+			query: { level: 5 },
+			session: {
+				levelState: [
+					{},
+					{
+						sentEmails: [],
+						chatHistory: [],
+						defences: [],
+					},
+				],
+			},
+		} as unknown as LevelResetRequest;
+		const res = responseMock();
+
+		handleResetLevel(req, res);
+
+		expect(res.status).toHaveBeenCalledWith(400);
+		expect(mockSend).toHaveBeenCalledWith('Invalid level');
+	});
+});