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test/README.md
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test/README.md
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# Integration Tests for API Key Management Service
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# Testing Guide for KMS API
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This directory contains comprehensive end-to-end integration tests for the API Key Management Service.
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This directory contains comprehensive testing for the Key Management Service (KMS) API, including both Go integration tests and end-to-end bash script tests.
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## Test Coverage
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## Test Types
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The integration tests cover:
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### 1. Go Integration Tests (`integration_test.go`)
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Comprehensive Go-based integration tests using the testify framework.
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### 1. **Health Check Endpoints**
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### 2. End-to-End Bash Tests (`e2e_test.sh`)
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Curl-based end-to-end tests that can be run against any running KMS server instance.
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---
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## Go Integration Tests
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### Test Coverage
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The Go integration tests cover:
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#### **Health Check Endpoints**
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- Basic health check (`/health`)
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- Readiness check with database connectivity (`/ready`)
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### 2. **Application CRUD Operations**
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#### **Application CRUD Operations**
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- Create new applications
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- List applications with pagination
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- Get specific applications by ID
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- Update application details
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- Delete applications
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### 3. **Static Token Workflow**
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#### **Static Token Workflow**
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- Create static tokens for applications
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- Verify static token permissions
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- Token validation and permission checking
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### 4. **User Token Authentication Flow**
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#### **User Token Authentication Flow**
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- User login process
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- Token generation for users
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- Permission-based access control
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### 5. **Authentication Middleware**
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#### **Authentication Middleware**
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- Header-based authentication validation
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- Unauthorized access handling
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- User context management
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### 6. **Error Handling**
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#### **Error Handling**
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- Invalid JSON request handling
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- Non-existent resource handling
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- Proper HTTP status codes
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### 7. **Concurrent Load Testing**
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#### **Concurrent Load Testing**
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- Multiple simultaneous health checks
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- Concurrent application listing requests
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- Database connection pooling under load
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## Prerequisites
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### Prerequisites
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Before running the integration tests, ensure you have:
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@ -50,7 +62,7 @@ Before running the integration tests, ensure you have:
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2. **Test Database**: Create a test database named `kms_test`
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3. **Go Dependencies**: All required Go modules installed
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### Database Setup
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#### Database Setup
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```bash
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# Connect to PostgreSQL
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@ -63,16 +75,16 @@ CREATE DATABASE kms_test;
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GRANT ALL PRIVILEGES ON DATABASE kms_test TO postgres;
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```
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## Running the Tests
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### Running Go Integration Tests
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### Option 1: Run All Integration Tests
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#### Run All Integration Tests
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```bash
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# From the project root directory
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go test -v ./test/...
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```
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### Option 2: Run with Coverage
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#### Run with Coverage
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```bash
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# Generate coverage report
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@ -80,7 +92,7 @@ go test -v -coverprofile=coverage.out ./test/...
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go tool cover -html=coverage.out -o coverage.html
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```
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### Option 3: Run Specific Test Suites
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#### Run Specific Test Suites
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```bash
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# Run only health endpoint tests
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@ -96,7 +108,7 @@ go test -v ./test/ -run TestStaticTokenWorkflow
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go test -v ./test/ -run TestConcurrentRequests
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```
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### Option 4: Run with Docker/Podman
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#### Run with Docker/Podman
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```bash
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# Start the services first
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@ -112,9 +124,110 @@ go test -v ./test/...
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podman-compose down
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```
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---
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## End-to-End Bash Tests
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### Overview
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The `e2e_test.sh` script provides comprehensive end-to-end testing of the KMS API using curl commands. It tests all major functionality including health checks, authentication, application management, and token operations.
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### Prerequisites
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- `curl` command-line tool installed
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- KMS server running (either locally or remotely)
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- Bash shell environment
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### Quick Start
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#### 1. Start the KMS Server
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First, make sure your KMS server is running. You can start it using Docker Compose:
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```bash
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# From the project root directory
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docker-compose up -d
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```
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Or run it directly:
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```bash
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go run cmd/server/main.go
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```
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#### 2. Run the E2E Tests
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```bash
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# Run with default settings (server at localhost:8080)
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./test/e2e_test.sh
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# Or run with custom configuration
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BASE_URL=http://localhost:8080 USER_EMAIL=admin@example.com ./test/e2e_test.sh
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```
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### Configuration
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The script supports several environment variables for configuration:
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| Variable | Default | Description |
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|----------|---------|-------------|
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| `BASE_URL` | `http://localhost:8080` | Base URL of the KMS server |
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| `USER_EMAIL` | `test@example.com` | User email for authentication headers |
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| `USER_ID` | `test-user-123` | User ID for authentication headers |
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#### Examples
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```bash
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# Test against a remote server
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BASE_URL=https://kms-api.example.com ./test/e2e_test.sh
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# Use different user credentials
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USER_EMAIL=admin@company.com USER_ID=admin-456 ./test/e2e_test.sh
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# Test against local server on different port
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BASE_URL=http://localhost:3000 ./test/e2e_test.sh
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```
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### E2E Test Coverage
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The bash script tests the following functionality:
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#### Health Endpoints
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- `GET /health` - Basic health check
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- `GET /ready` - Readiness check with database connectivity
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#### Authentication Endpoints
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- `POST /api/login` - User login (with and without auth headers)
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- `POST /api/verify` - Token verification
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- `POST /api/renew` - Token renewal
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#### Application Management
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- `GET /api/applications` - List applications (with pagination)
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- `POST /api/applications` - Create new application
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- `GET /api/applications/:id` - Get application by ID
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- `PUT /api/applications/:id` - Update application
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- `DELETE /api/applications/:id` - Delete application
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#### Token Management
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- `GET /api/applications/:id/tokens` - List tokens for application
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- `POST /api/applications/:id/tokens` - Create static token
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- `DELETE /api/tokens/:id` - Delete token
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#### Error Handling
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- Invalid endpoints (404 errors)
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- Malformed JSON requests
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- Missing authentication headers
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- Invalid request formats
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#### Documentation
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- `GET /api/docs` - API documentation endpoint
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---
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## Test Configuration
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The tests use a separate test configuration that:
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### Go Integration Tests Configuration
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The Go tests use a separate test configuration that:
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- Uses a dedicated test database (`kms_test`)
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- Disables rate limiting for testing
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@ -122,44 +235,15 @@ The tests use a separate test configuration that:
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- Uses debug logging level
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- Configures shorter timeouts
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## Test Data Management
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### Test Data Management
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The integration tests:
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Both test suites:
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- **Clean up after themselves**: Each test cleans up its test data
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- **Use isolated data**: Test data is prefixed with `test-` to avoid conflicts
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- **Reset state**: Database state is reset between test runs
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- **Use transactions**: Where possible, tests use database transactions
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## Expected Test Results
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When all tests pass, you should see output similar to:
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```
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=== RUN TestIntegrationSuite
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=== RUN TestIntegrationSuite/TestHealthEndpoints
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=== RUN TestIntegrationSuite/TestApplicationCRUD
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=== RUN TestIntegrationSuite/TestApplicationCRUD/CreateApplication
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=== RUN TestIntegrationSuite/TestApplicationCRUD/ListApplications
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=== RUN TestIntegrationSuite/TestApplicationCRUD/GetApplication
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=== RUN TestIntegrationSuite/TestStaticTokenWorkflow
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=== RUN TestIntegrationSuite/TestStaticTokenWorkflow/CreateStaticToken
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=== RUN TestIntegrationSuite/TestStaticTokenWorkflow/VerifyStaticToken
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=== RUN TestIntegrationSuite/TestUserTokenWorkflow
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=== RUN TestIntegrationSuite/TestUserTokenWorkflow/UserLogin
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=== RUN TestIntegrationSuite/TestAuthenticationMiddleware
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=== RUN TestIntegrationSuite/TestAuthenticationMiddleware/MissingAuthHeader
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=== RUN TestIntegrationSuite/TestAuthenticationMiddleware/ValidAuthHeader
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=== RUN TestIntegrationSuite/TestErrorHandling
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=== RUN TestIntegrationSuite/TestErrorHandling/InvalidJSON
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=== RUN TestIntegrationSuite/TestErrorHandling/NonExistentApplication
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=== RUN TestIntegrationSuite/TestConcurrentRequests
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=== RUN TestIntegrationSuite/TestConcurrentRequests/ConcurrentHealthChecks
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=== RUN TestIntegrationSuite/TestConcurrentRequests/ConcurrentApplicationListing
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--- PASS: TestIntegrationSuite (2.34s)
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PASS
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```
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## Troubleshooting
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### Common Issues
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@ -187,18 +271,17 @@ PASS
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- The test server uses random ports, but check if other services are running
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- Stop any running instances of the API service
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4. **Test Timeouts**
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4. **Server Not Ready (E2E Tests)**
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```
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Error: test timed out
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[FAIL] Server failed to start within timeout
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```
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- Increase test timeout values
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- Check database performance
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- Verify network connectivity
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- Ensure the KMS server is running
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- Check if the server is accessible at the configured URL
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- Verify database connectivity
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### Debug Mode
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To run tests with additional debugging:
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#### For Go Tests
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```bash
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# Enable debug logging
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LOG_LEVEL=debug go test -v ./test/...
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@ -210,33 +293,26 @@ go test -race -v ./test/...
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go test -memprofile=mem.prof -v ./test/...
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```
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## Test Architecture
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#### For E2E Tests
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For more detailed output, you can modify the script to include verbose curl output by adding `-v` flag to curl commands.
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The integration tests use:
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## Integration with CI/CD
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- **testify/suite**: For organized test suites with setup/teardown
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- **httptest**: For HTTP server testing
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- **testify/assert**: For test assertions
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- **testify/require**: For test requirements
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The test structure follows the same clean architecture as the main application:
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Both test suites work well in CI/CD pipelines:
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```yaml
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# Example GitHub Actions workflow
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- name: Run Integration Tests
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run: |
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docker-compose up -d
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sleep 10 # Wait for services to start
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go test -v ./test/...
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./test/e2e_test.sh
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docker-compose down
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env:
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BASE_URL: http://localhost:8080
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USER_EMAIL: ci@example.com
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```
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test/
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├── integration_test.go # Main integration test suite
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├── test_helpers.go # Test utilities and mocks
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└── README.md # This documentation
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```
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## Contributing
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When adding new integration tests:
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1. Follow the existing test patterns
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2. Clean up test data properly
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3. Use descriptive test names
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4. Add appropriate assertions
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5. Update this README if needed
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## Performance Benchmarks
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@ -248,3 +324,41 @@ The concurrent load tests provide basic performance benchmarks:
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- **Expected Throughput**: > 100 requests/second
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These benchmarks help ensure the service can handle reasonable concurrent load.
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## Test Architecture
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### Go Integration Tests
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The integration tests use:
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- **testify/suite**: For organized test suites with setup/teardown
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- **httptest**: For HTTP server testing
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- **testify/assert**: For test assertions
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- **testify/require**: For test requirements
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### E2E Bash Tests
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The bash script provides:
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- **Automatic Server Detection**: Waits for server readiness
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- **Dynamic Test Data**: Creates and cleans up test resources
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- **Comprehensive Error Testing**: Tests various error conditions
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- **Robust Error Handling**: Graceful cleanup and clear error messages
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## Contributing
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When adding new tests:
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1. Follow the existing test patterns
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2. Clean up test data properly
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3. Use descriptive test names
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4. Add appropriate assertions
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5. Update this documentation if needed
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## File Structure
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```
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test/
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├── integration_test.go # Go integration test suite
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├── test_helpers.go # Test utilities and mocks
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├── mock_repositories.go # Mock implementations for testing
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├── e2e_test.sh # Bash end-to-end test script
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└── README.md # This comprehensive testing guide
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