Azure DevOps MCP Server

import { WebApi } from 'azure-devops-node-api'; import { getPipeline } from './feature'; import { AzureDevOpsError, AzureDevOpsAuthenticationError, AzureDevOpsResourceNotFoundError, } from '../../../shared/errors'; // Unit tests should only focus on isolated logic describe('getPipeline unit', () => { let mockConnection: WebApi; let mockPipelinesApi: any; beforeEach(() => { // Reset mocks jest.resetAllMocks(); // Setup mock Pipelines API mockPipelinesApi = { getPipeline: 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 a pipeline', async () => { // Arrange const mockPipeline = { id: 1, name: 'Pipeline 1', folder: 'Folder 1', revision: 1, url: 'https://dev.azure.com/testorg/testproject/_apis/pipelines/1', }; // Mock the Pipelines API to return data mockPipelinesApi.getPipeline.mockResolvedValue(mockPipeline); // Act const result = await getPipeline(mockConnection, { projectId: 'testproject', pipelineId: 1, }); // Assert expect(mockConnection.getPipelinesApi).toHaveBeenCalled(); expect(mockPipelinesApi.getPipeline).toHaveBeenCalledWith( 'testproject', 1, undefined, ); expect(result).toEqual(mockPipeline); }); test('should handle pipeline version parameter', async () => { // Arrange const mockPipeline = { id: 1, name: 'Pipeline 1', folder: 'Folder 1', revision: 2, url: 'https://dev.azure.com/testorg/testproject/_apis/pipelines/1', }; mockPipelinesApi.getPipeline.mockResolvedValue(mockPipeline); // Act await getPipeline(mockConnection, { projectId: 'testproject', pipelineId: 1, pipelineVersion: 2, }); // Assert expect(mockPipelinesApi.getPipeline).toHaveBeenCalledWith( 'testproject', 1, 2, ); }); test('should handle authentication errors', async () => { // Arrange const authError = new Error('Authentication failed'); authError.message = 'Authentication failed: Unauthorized'; mockPipelinesApi.getPipeline.mockRejectedValue(authError); // Act & Assert await expect( getPipeline(mockConnection, { projectId: 'testproject', pipelineId: 1 }), ).rejects.toThrow(AzureDevOpsAuthenticationError); await expect( getPipeline(mockConnection, { projectId: 'testproject', pipelineId: 1 }), ).rejects.toThrow(/Failed to authenticate/); }); test('should handle resource not found errors', async () => { // Arrange const notFoundError = new Error('Not found'); notFoundError.message = 'Pipeline does not exist'; mockPipelinesApi.getPipeline.mockRejectedValue(notFoundError); // Act & Assert await expect( getPipeline(mockConnection, { projectId: 'testproject', pipelineId: 1 }), ).rejects.toThrow(AzureDevOpsResourceNotFoundError); await expect( getPipeline(mockConnection, { projectId: 'testproject', pipelineId: 1 }), ).rejects.toThrow(/Pipeline or project not found/); }); test('should wrap general errors in AzureDevOpsError', async () => { // Arrange const testError = new Error('Test API error'); mockPipelinesApi.getPipeline.mockRejectedValue(testError); // Act & Assert await expect( getPipeline(mockConnection, { projectId: 'testproject', pipelineId: 1 }), ).rejects.toThrow(AzureDevOpsError); await expect( getPipeline(mockConnection, { projectId: 'testproject', pipelineId: 1 }), ).rejects.toThrow(/Failed to get pipeline/); }); });