Azure DevOps MCP Server

import { WebApi } from 'azure-devops-node-api'; import { listPipelines } from './feature'; import { AzureDevOpsError, AzureDevOpsAuthenticationError, AzureDevOpsResourceNotFoundError, } from '../../../shared/errors'; // Unit tests should only focus on isolated logic describe('listPipelines unit', () => { let mockConnection: WebApi; let mockPipelinesApi: any; beforeEach(() => { // Reset mocks jest.resetAllMocks(); // Setup mock Pipelines API mockPipelinesApi = { listPipelines: jest.fn(), }; // Mock WebApi with a getPipelinesApi method mockConnection = { serverUrl: 'https://dev.azure.com/testorg', getPipelinesApi: jest.fn().mockResolvedValue(mockPipelinesApi), } as unknown as WebApi; }); test('should return list of pipelines', async () => { // Arrange const mockPipelines = [ { id: 1, name: 'Pipeline 1', folder: 'Folder 1', revision: 1, url: 'https://dev.azure.com/testorg/testproject/_apis/pipelines/1', }, { id: 2, name: 'Pipeline 2', folder: 'Folder 2', revision: 1, url: 'https://dev.azure.com/testorg/testproject/_apis/pipelines/2', }, ]; // Mock the Pipelines API to return data mockPipelinesApi.listPipelines.mockResolvedValue(mockPipelines); // Act const result = await listPipelines(mockConnection, { projectId: 'testproject', }); // Assert expect(mockConnection.getPipelinesApi).toHaveBeenCalled(); expect(mockPipelinesApi.listPipelines).toHaveBeenCalledWith( 'testproject', undefined, undefined, undefined, ); expect(result).toEqual(mockPipelines); }); test('should handle query parameters correctly', async () => { // Arrange mockPipelinesApi.listPipelines.mockResolvedValue([]); // Act await listPipelines(mockConnection, { projectId: 'testproject', orderBy: 'name asc', top: 10, continuationToken: 'token123', }); // Assert expect(mockPipelinesApi.listPipelines).toHaveBeenCalledWith( 'testproject', 'name asc', 10, 'token123', ); }); test('should handle authentication errors', async () => { // Arrange const authError = new Error('Authentication failed'); authError.message = 'Authentication failed: Unauthorized'; mockPipelinesApi.listPipelines.mockRejectedValue(authError); // Act & Assert await expect( listPipelines(mockConnection, { projectId: 'testproject' }), ).rejects.toThrow(AzureDevOpsAuthenticationError); await expect( listPipelines(mockConnection, { projectId: 'testproject' }), ).rejects.toThrow(/Failed to authenticate/); }); test('should handle resource not found errors', async () => { // Arrange const notFoundError = new Error('Not found'); notFoundError.message = 'Resource does not exist'; mockPipelinesApi.listPipelines.mockRejectedValue(notFoundError); // Act & Assert await expect( listPipelines(mockConnection, { projectId: 'testproject' }), ).rejects.toThrow(AzureDevOpsResourceNotFoundError); await expect( listPipelines(mockConnection, { projectId: 'testproject' }), ).rejects.toThrow(/Project or resource not found/); }); test('should wrap general errors in AzureDevOpsError', async () => { // Arrange const testError = new Error('Test API error'); mockPipelinesApi.listPipelines.mockRejectedValue(testError); // Act & Assert await expect( listPipelines(mockConnection, { projectId: 'testproject' }), ).rejects.toThrow(AzureDevOpsError); await expect( listPipelines(mockConnection, { projectId: 'testproject' }), ).rejects.toThrow(/Failed to list pipelines/); }); });