chore: Updated thunk tests for getLearningAssistantMessageHistory()

src/data/thunks.test.js

@@ -0,0 +1,127 @@
+import { fetchLearningAssistantMessageHistory } from './api';
+
+import { getLearningAssistantMessageHistory } from './thunks';
+
+jest.mock('./api');
+
+describe('Thunks unit tests', () => {
+  const dispatch = jest.fn();
+
+  afterEach(() => jest.resetAllMocks());
+
+  describe('getLearningAssistantMessageHistory()', () => {
+    const fakeCourseId = 'course-v1:edx+test+23';
+
+    describe('when returning results', () => {
+      const apiResponse = [
+        {
+          role: 'user',
+          content: 'Marco',
+          timestamp: '2024-11-04T19:05:07.403363Z',
+        },
+        {
+          role: 'assistant',
+          content: 'Polo',
+          timestamp: '2024-11-04T19:05:21.357636Z',
+        },
+      ];
+
+      beforeEach(() => {
+        fetchLearningAssistantMessageHistory.mockResolvedValue(apiResponse);
+      });
+
+      it('should set the loading state, fetch, parse and set the messages and remove the loading state', async () => {
+        await getLearningAssistantMessageHistory(fakeCourseId)(dispatch);
+
+        expect(dispatch).toHaveBeenNthCalledWith(1, {
+          type: 'learning-assistant/setApiIsLoading',
+          payload: true,
+        });
+
+        expect(fetchLearningAssistantMessageHistory).toHaveBeenCalledWith(fakeCourseId);
+
+        expect(dispatch).toHaveBeenNthCalledWith(2, {
+          type: 'learning-assistant/setMessageList',
+          payload: {
+            messageList: apiResponse.map(({ timestamp, ...msg }) => ({
+              ...msg,
+              timestamp: new Date(timestamp), // Parse ISO time to Date()
+            })),
+          },
+        });
+
+        expect(dispatch).toHaveBeenNthCalledWith(3, {
+          type: 'learning-assistant/setDisclosureAcknowledged',
+          payload: true,
+        });
+
+        expect(dispatch).toHaveBeenNthCalledWith(4, {
+          type: 'learning-assistant/setApiIsLoading',
+          payload: false,
+        });
+      });
+    });
+
+    describe('when returning no messages', () => {
+      const apiResponse = [];
+
+      beforeEach(() => {
+        fetchLearningAssistantMessageHistory.mockResolvedValue(apiResponse);
+      });
+
+      it('should only set and remove the loading state', async () => {
+        await getLearningAssistantMessageHistory(fakeCourseId)(dispatch);
+
+        expect(dispatch).toHaveBeenNthCalledWith(1, {
+          type: 'learning-assistant/setApiIsLoading',
+          payload: true,
+        });
+
+        expect(fetchLearningAssistantMessageHistory).toHaveBeenCalledWith(fakeCourseId);
+
+        expect(dispatch).not.toHaveBeenCalledWith(
+          expect.objectContaining({ type: 'learning-assistant/setMessageList' }),
+        );
+
+        expect(dispatch).not.toHaveBeenCalledWith(
+          expect.objectContaining({ type: 'learning-assistant/setDisclosureAcknowledged' }),
+        );
+
+        expect(dispatch).toHaveBeenNthCalledWith(2, {
+          type: 'learning-assistant/setApiIsLoading',
+          payload: false,
+        });
+      });
+    });
+
+    describe('when throwing on fetching', () => {
+      beforeEach(() => {
+        fetchLearningAssistantMessageHistory.mockRejectedValue('Whoopsie!');
+      });
+
+      it('should only set and remove the loading state', async () => {
+        await getLearningAssistantMessageHistory(fakeCourseId)(dispatch);
+
+        expect(dispatch).toHaveBeenNthCalledWith(1, {
+          type: 'learning-assistant/setApiIsLoading',
+          payload: true,
+        });
+
+        expect(fetchLearningAssistantMessageHistory).toHaveBeenCalledWith(fakeCourseId);
+
+        expect(dispatch).not.toHaveBeenCalledWith(
+          expect.objectContaining({ type: 'learning-assistant/setMessageList' }),
+        );
+
+        expect(dispatch).not.toHaveBeenCalledWith(
+          expect.objectContaining({ type: 'learning-assistant/setDisclosureAcknowledged' }),
+        );
+
+        expect(dispatch).toHaveBeenNthCalledWith(2, {
+          type: 'learning-assistant/setApiIsLoading',
+          payload: false,
+        });
+      });
+    });
+  });
+});