CI/CD интеграция Mock API: Стабильные тесты в пайплайне

✅ Test 1: User registration - PASSED
✅ Test 2: Login flow - PASSED
❌ Test 3: Payment processing - FAILED
   Reason: Payment API timeout (5000ms)
❌ Test 4: Send notification - FAILED
   Reason: SMS API rate limit exceeded
✅ Test 5: Profile update - PASSED

Tests: 3 passed, 2 failed, 5 total
Time: 47.3s
Status: FAILED ❌

✅ Test 1: User registration - PASSED
✅ Test 2: Login flow - PASSED
✅ Test 3: Payment processing - PASSED
✅ Test 4: Send notification - PASSED
✅ Test 5: Profile update - PASSED
✅ Test 6: Payment failure handling - PASSED
✅ Test 7: API timeout scenario - PASSED

Tests: 7 passed, 0 failed, 7 total
Time: 3.8s
Status: SUCCESS ✅

name: API Tests with Mock

on: [push, pull_request]

jobs:
  test:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v3

      # Вариант 1: Использовать облачный Mock API (LightBox API)
      - name: Configure Mock API URL
        run: echo "API_URL=https://mock.lightboxapi.com/project-123" >> $GITHUB_ENV

      # Вариант 2: Поднять локальный Mock сервер через Docker
      - name: Start Prism Mock Server
        run: |
          docker run -d \
            --name mock-api \
            -p 4010:4010 \
            -v ${ github.workspace }/openapi.yaml:/tmp/openapi.yaml \
            stoplight/prism:4 \
            mock -h 0.0.0.0 /tmp/openapi.yaml

      - name: Wait for Mock API
        run: |
          timeout 30 bash -c 'until curl -f http://localhost:4010; do sleep 1; done'

      - name: Setup Node.js
        uses: actions/setup-node@v3
        with:
          node-version: '18'

      - name: Install dependencies
        run: npm ci

      - name: Run tests
        run: npm test
        env:
          API_BASE_URL: http://localhost:4010

      - name: Stop Mock API
        if: always()
        run: docker stop mock-api

stages:
  - test
  - deploy

api_tests:
  stage: test
  image: node:18

  services:
    # Запуск Mock API как service
    - name: stoplight/prism:4
      alias: mock-api
      command: ["mock", "-h", "0.0.0.0", "/tmp/openapi.yaml"]

  variables:
    API_BASE_URL: "http://mock-api:4010"

  before_script:
    - npm ci
    - cp openapi.yaml /tmp/openapi.yaml

  script:
    - npm test

  artifacts:
    when: always
    reports:
      junit: test-results.xml
    paths:
      - coverage/

contract_testing:
  stage: test
  image: node:18

  script:
    # Проверка соответствия реального API спецификации
    - npx dredd openapi.yaml $STAGING_API_URL

  only:
    - merge_requests

pipeline {
    agent any

    environment {
        MOCK_API_URL = 'http://localhost:4010'
    }

    stages {
        stage('Checkout') {
            steps {
                checkout scm
            }
        }

        stage('Start Mock API') {
            steps {
                script {
                    sh '''
                        docker run -d \
                            --name mock-api-${BUILD_NUMBER} \
                            -p 4010:4010 \
                            -v ${WORKSPACE}/openapi.yaml:/tmp/openapi.yaml \
                            stoplight/prism:4 \
                            mock -h 0.0.0.0 /tmp/openapi.yaml
                    '''

                    // Ждём готовности Mock API
                    sh 'timeout 30 bash -c \'until curl -f http://localhost:4010; do sleep 1; done\''
                }
            }
        }

        stage('Run Tests') {
            steps {
                sh 'npm ci'
                sh 'npm test'
            }
        }

        stage('Contract Testing') {
            when {
                branch 'develop'
            }
            steps {
                sh 'npx dredd openapi.yaml ${STAGING_API_URL}'
            }
        }
    }

    post {
        always {
            // Всегда останавливаем Mock API
            sh 'docker stop mock-api-${BUILD_NUMBER} || true'
            sh 'docker rm mock-api-${BUILD_NUMBER} || true'

            // Публикуем результаты тестов
            junit 'test-results/*.xml'
        }

        success {
            echo 'Tests passed! ✅'
        }

        failure {
            echo 'Tests failed! ❌'
        }
    }
}

version: '3.8'

services:
  mock-api:
    image: stoplight/prism:4
    container_name: mock-api
    command: mock -h 0.0.0.0 /tmp/openapi.yaml
    volumes:
      - ./openapi.yaml:/tmp/openapi.yaml
    ports:
      - "4010:4010"
    healthcheck:
      test: ["CMD", "curl", "-f", "http://localhost:4010"]
      interval: 5s
      timeout: 3s
      retries: 5

  app:
    build: .
    depends_on:
      mock-api:
        condition: service_healthy
    environment:
      - API_BASE_URL=http://mock-api:4010
    command: npm test

ДО внедрения Mock API:
- Время CI/CD: 15-18 минут
- Успешные builds: 68%
- Flaky tests: 32%
- Стоимость API calls: $180/месяц

ПОСЛЕ внедрения Mock API:
- Время CI/CD: 2-3 минуты ✅ (7.5x быстрее)
- Успешные builds: 98% ✅ (+44%)
- Flaky tests: 2% ✅ (-94%)
- Стоимость API calls: $0/месяц ✅ ($2160 экономия в год)