test(emailService): add error handling tests for sendAlert function

errsole · Nov 4, 2024 · dc7f254 · dc7f254
1 parent be7ffe7
commit dc7f254
Showing 1 changed file with 104 additions and 0 deletions.
diff --git a/tests/utils/main.test.js b/tests/utils/main.test.js
@@ -716,4 +716,108 @@ describe('EmailService.sendAlert', () => {
     }));
     expect(result).toBe(true); // Verify successful sending
   });
+
+  it('should log error and return false when transporter initialization fails', async () => {
+    const mockStorageConnection = {
+      getConfig: jest.fn().mockResolvedValue(mockConfig)
+    };
+    getStorageConnection.mockReturnValue(mockStorageConnection);
+
+    // Mock nodemailer.createTransport to throw an error
+    nodemailer.createTransport.mockImplementation(() => {
+      throw new Error('Transporter initialization failed');
+    });
+
+    // Spy on console.error
+    const consoleErrorSpy = jest.spyOn(console, 'error').mockImplementation(() => {});
+
+    const result = await EmailService.sendAlert('Test message', 'Test type', {});
+
+    expect(consoleErrorSpy).toHaveBeenCalledWith(
+      'Failed to create email transporter: ',
+      expect.any(Error)
+    );
+    expect(result).toBe(false);
+
+    // Restore the spy
+    consoleErrorSpy.mockRestore();
+  });
+
+  // it('should log error and return false when sending email fails', async () => {
+  //   const mockStorageConnection = {
+  //     getConfig: jest.fn().mockResolvedValue(mockConfig)
+  //   };
+  //   getStorageConnection.mockReturnValue(mockStorageConnection);
+
+  //   // Mock transporter and sendMail to reject
+  //   const mockTransporter = {
+  //     sendMail: jest.fn().mockRejectedValue(new Error('Email send failed'))
+  //   };
+  //   nodemailer.createTransport.mockReturnValue(mockTransporter);
+
+  //   // Spy on console.error
+  //   const consoleErrorSpy = jest.spyOn(console, 'error').mockImplementation(() => {});
+
+  //   const result = await EmailService.sendAlert('Test message', 'Test type', {});
+
+  //   expect(mockTransporter.sendMail).toHaveBeenCalled();
+  //   expect(consoleErrorSpy).toHaveBeenCalledWith(
+  //     'Failed to send email alert:',
+  //     expect.any(Error)
+  //   );
+  //   expect(result).toBe(false);
+
+  //   // Restore the spy
+  //   consoleErrorSpy.mockRestore();
+  // });
+
+  it('should log error and return false when retrieving configuration fails', async () => {
+    const mockStorageConnection = {
+      getConfig: jest.fn().mockRejectedValue(new Error('Configuration retrieval failed'))
+    };
+    getStorageConnection.mockReturnValue(mockStorageConnection);
+
+    // Spy on console.error
+    const consoleErrorSpy = jest.spyOn(console, 'error').mockImplementation(() => {});
+
+    const result = await EmailService.sendAlert('Test message', 'Test type', {});
+
+    expect(mockStorageConnection.getConfig).toHaveBeenCalledWith('emailIntegration');
+    expect(consoleErrorSpy).toHaveBeenCalledWith(
+      'Failed to create email transporter: ',
+      expect.any(Error)
+    );
+    expect(result).toBe(false);
+
+    // Restore the spy
+    consoleErrorSpy.mockRestore();
+  });
+
+  it('should log unexpected errors and return false', async () => {
+    const mockStorageConnection = {
+      getConfig: jest.fn().mockResolvedValue(mockConfig)
+    };
+    getStorageConnection.mockReturnValue(mockStorageConnection);
+
+    // Mock transporter and sendMail to throw a non-standard error
+    const mockTransporter = {
+      sendMail: jest.fn(() => { throw new Error('Unexpected error'); })
+    };
+    nodemailer.createTransport.mockReturnValue(mockTransporter);
+
+    // Spy on console.error
+    const consoleErrorSpy = jest.spyOn(console, 'error').mockImplementation(() => {});
+
+    const result = await EmailService.sendAlert('Test message', 'Test type', {});
+
+    expect(mockTransporter.sendMail).toHaveBeenCalled();
+    expect(consoleErrorSpy).toHaveBeenCalledWith(
+      'Failed to send email alert:',
+      expect.any(Error)
+    );
+    expect(result).toBe(false);
+
+    // Restore the spy
+    consoleErrorSpy.mockRestore();
+  });
 });