API check structure

import { ApiCheck, AssertionBuilder, Frequency } from 'checkly/constructs'

new ApiCheck('user-api-health', {
  name: 'User API Health Check',
  frequency: Frequency.EVERY_5M,
  request: {
    method: 'GET',
    url: 'https://api.example.com/v1/users/health',
    headers: [
      { key: 'Authorization', value: 'Bearer {{API_TOKEN}}' }
    ],
    assertions: [
      AssertionBuilder.statusCode().equals(200),
      AssertionBuilder.responseTime().lessThan(2000),
      AssertionBuilder.jsonBody('$.status').equals('healthy')
    ]
  }
})

assertions: [
  AssertionBuilder.statusCode().equals(200),
  AssertionBuilder.statusCode().lessThan(400),
]

assertions: [
  // JSON response validation
  AssertionBuilder.jsonBody('$.success').equals(true),
  AssertionBuilder.jsonBody('$.user.id').greaterThan(0),
  AssertionBuilder.jsonBody('$.user.email').contains('@'),

  // Text content validation
  AssertionBuilder.textBody().contains('success'),
  AssertionBuilder.textBody().notContains('error'),
]

assertions: [
  AssertionBuilder.headers('content-type').contains('application/json'),
  AssertionBuilder.headers('cache-control').notEmpty(),
  AssertionBuilder.headers('x-rate-limit-remaining').greaterThan(0),
]

// Reference environment variables
const baseUrl = process.env.API_BASE_URL
const apiKey = process.env.API_KEY

// Dynamic request configuration
const userId = Math.floor(Math.random() * 1000)

// Setup script - create test user
const userResponse = await fetch('https://api.example.com/users', {
  method: 'POST',
  body: JSON.stringify({
    name: 'Test User',
    email: `test+${Date.now()}@example.com`
  })
})
const userData = await userResponse.json()
process.env.TEST_USER_ID = userData.id

// Main request uses created user ID
// URL: https://api.example.com/users/{{TEST_USER_ID}}/profile

new ApiCheck('graphql-get-user', {
  name: 'GraphQL: get user',
  request: {
    method: 'POST',
    url: 'https://api.example.com/graphql',
    bodyType: 'JSON',
    body: JSON.stringify({
      query: `
        query GetUser($id: ID!) {
          user(id: $id) {
            id
            name
            email
          }
        }
      `,
      variables: { id: '123' },
    }),
    assertions: [
      AssertionBuilder.statusCode().equals(200),
      AssertionBuilder.jsonBody('$.data.user.id').equals('123'),
    ],
  },
})