自动化测试在敏捷开发流程中的具体应用

# .github/workflows/ci_cd_pipeline.yml

name: CI/CD Pipeline

on:
  push:
    branches:
      - main
  pull_request:
    branches:
      - main

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Check out the code
        uses: actions/checkout@v2
      
      - name: Set up Python
        uses: actions/setup-python@v2
        with:
          python-version: 3.9

      - name: Install dependencies
        run: |
          pip install -r requirements.txt
          
      - name: Run Unit Tests
        run: |
          pytest tests/unit --junitxml=unit_test_report.xml

  integration:
    runs-on: ubuntu-latest
    needs: build
    steps:
      - name: Check out the code
        uses: actions/checkout@v2
      
      - name: Set up Python
        uses: actions/setup-python@v2
        with:
          python-version: 3.9

      - name: Install dependencies
        run: |
          pip install -r requirements.txt

      - name: Run Integration Tests
        run: |
          pytest tests/integration --junitxml=integration_test_report.xml

  deploy:
    runs-on: ubuntu-latest
    needs: integration
    steps:
      - name: Deploy to Test Environment
        run: |
          echo "Deploying application to test environment..."
      
      - name: Run End-to-End Tests
        run: |
          pytest tests/e2e --junitxml=e2e_test_report.xml

# calculator.py - 被测代码模块
def add(a, b):
    return a + b

def subtract(a, b):
    return a - b

# test_calculator.py - 单元测试
import pytest
from calculator import add, subtract

def test_add():
    assert add(2, 3) == 5
    assert add(-1, 1) == 0

def test_subtract():
    assert subtract(5, 3) == 2
    assert subtract(0, 0) == 0

# order_processing.py - 模拟订单处理的业务逻辑
def create_order(item, quantity):
    return {"item": item, "quantity": quantity, "status": "created"}

def process_order(order):
    order["status"] = "processed"
    return order

# test_order_processing.py - 集成测试
from order_processing import create_order, process_order

def test_order_workflow():
    order = create_order("apple", 10)
    assert order["status"] == "created"
    
    processed_order = process_order(order)
    assert processed_order["status"] == "processed"