Test Cases

Comprehensive test case specifications for functional, non-functional, and edge case testing of the C Pro camera system.

Overview

This document provides detailed test cases organized by functional areas, ensuring comprehensive coverage of all system components, user scenarios, and edge conditions.

graph TB A[Test Cases] --> B{Test Categories} B -->|Functional| C[Functional Tests] B -->|Non-Functional| D[Non-Functional Tests] B -->|Integration| E[Integration Tests] B -->|Edge Cases| F[Edge Case Tests] C --> C1[Camera Operations] C --> C2[API Functionality] C --> C3[User Management] C --> C4[Configuration] D --> D1[Performance] D --> D2[Security] D --> D3[Reliability] D --> D4[Usability] E --> E1[System Integration] E --> E2[Third-Party Integration] E --> E3[Database Integration] E --> E4[Network Integration] F --> F1[Error Conditions] F --> F2[Boundary Values] F --> F3[Stress Conditions] F --> F4[Recovery Scenarios]

Functional Test Cases

Camera Operations

TC_CAM_001: Camera Initialization

Objective: Verify camera device initialization and configuration
Priority: High
Prerequisites: Camera device available at /dev/video0

Test Steps:
1. Initialize camera system
2. Detect available camera devices
3. Configure camera with default settings
4. Verify camera status

Expected Results:
- Camera device detected successfully
- Default configuration applied
- Camera status shows "Ready"
- No error messages in logs

Test Data:

{
  "device_path": "/dev/video0",
  "expected_capabilities": ["streaming", "recording", "snapshot"],
  "default_resolution": {"width": 1920, "height": 1080},
  "default_framerate": 30
}

TC_CAM_002: Video Streaming Start/Stop

Objective: Verify video streaming functionality
Priority: High
Prerequisites: Camera initialized and configured

Test Steps:
1. Send start streaming command via API
2. Verify RTSP endpoint becomes available
3. Connect to RTSP stream with client
4. Verify video frames are received
5. Send stop streaming command
6. Verify RTSP endpoint closes properly

Expected Results:
- Streaming starts within 3 seconds
- RTSP URL rtsp://camera_ip:554/live accessible
- Video frames received at configured framerate
- Streaming stops cleanly without errors
- Resources properly released

Test Data:

{
  "stream_config": {
    "resolution": {"width": 1280, "height": 720},
    "framerate": 25,
    "bitrate": 2000000,
    "format": "h264"
  },
  "expected_rtsp_url": "rtsp://192.168.1.100:554/live",
  "timeout_seconds": 3
}

TC_CAM_003: Recording Functionality

Objective: Verify video recording and playback
Priority: High
Prerequisites: Camera streaming active

Test Steps:
1. Start recording via API
2. Record for specified duration
3. Stop recording
4. Verify recording file created
5. Check file size and format
6. Playback recording to verify content

Expected Results:
- Recording starts immediately
- File created in configured directory
- File size matches expected range
- Recording contains valid video data
- Playback shows recorded content

Test Data:

{
  "recording_config": {
    "duration": 30,
    "format": "mp4",
    "quality": "high",
    "audio": false
  },
  "expected_file_pattern": "recording_YYYYMMDD_HHMMSS.mp4",
  "min_file_size": 1048576,
  "storage_path": "/var/recordings"
}

TC_CAM_004: Snapshot Capture

Objective: Verify snapshot image capture
Priority: Medium
Prerequisites: Camera streaming or ready

Test Steps:
1. Request snapshot via API
2. Verify image is returned
3. Check image format and size
4. Validate image contains current camera view
5. Save snapshot to storage

Expected Results:
- Snapshot captured within 1 second
- Image format is JPEG
- Image resolution matches camera setting
- Image contains valid visual data
- File saved successfully if requested

Test Data:

{
  "snapshot_config": {
    "format": "jpeg",
    "quality": 85,
    "resolution": {"width": 1920, "height": 1080},
    "save_to_storage": true
  },
  "expected_content_type": "image/jpeg",
  "max_response_time": 1.0
}

TC_CAM_005: Camera Settings Configuration

Objective: Verify camera settings can be changed
Priority: High
Prerequisites: Camera system initialized

Test Steps:
1. Get current camera settings
2. Modify resolution setting
3. Apply new settings
4. Verify settings are applied
5. Test with different parameter combinations
6. Reset to default settings

Expected Results:
- Current settings retrieved successfully
- New settings applied without errors
- Camera operates with new settings
- Settings persist across sessions
- Default reset works properly

Test Data:

{
  "test_settings": [
    {"resolution": {"width": 1920, "height": 1080}, "framerate": 30},
    {"resolution": {"width": 1280, "height": 720}, "framerate": 25},
    {"resolution": {"width": 640, "height": 480}, "framerate": 15}
  ],
  "invalid_settings": [
    {"resolution": {"width": -1, "height": 1080}},
    {"framerate": 0},
    {"quality": 101}
  ]
}

API Functionality

TC_API_001: Authentication and Authorization

Objective: Verify API authentication mechanisms
Priority: Critical
Prerequisites: User accounts configured

Test Steps:
1. Attempt API access without authentication
2. Login with valid credentials
3. Use returned JWT token for API calls
4. Test with invalid/expired tokens
5. Test role-based access control
6. Logout and verify token invalidation

Expected Results:
- Unauthenticated requests return 401
- Valid login returns JWT token
- Token allows access to permitted endpoints
- Invalid tokens rejected with 401
- Role restrictions enforced
- Logout invalidates token

Test Data:

{
  "test_users": [
    {"username": "admin", "password": "admin123", "role": "administrator"},
    {"username": "operator", "password": "oper123", "role": "operator"},
    {"username": "viewer", "password": "view123", "role": "viewer"}
  ],
  "protected_endpoints": [
    {"path": "/api/admin/users", "required_role": "administrator"},
    {"path": "/api/camera/settings", "required_role": "operator"},
    {"path": "/api/camera/status", "required_role": "viewer"}
  ]
}

TC_API_002: HTTP API Endpoints

Objective: Verify all HTTP API endpoints function correctly
Priority: High
Prerequisites: System running, authenticated user

Test Steps:
1. Test GET endpoints (status, info, settings)
2. Test POST endpoints (commands, uploads)
3. Test PUT endpoints (configuration updates)
4. Test DELETE endpoints (resource removal)
5. Verify request/response formats
6. Test error handling

Expected Results:
- All endpoints respond correctly
- JSON responses well-formed
- HTTP status codes appropriate
- Error responses include details
- Request validation works
- Documentation matches implementation

Test Data:

{
  "api_endpoints": [
    {"method": "GET", "path": "/api/status", "expected_status": 200},
    {"method": "GET", "path": "/api/camera/info", "expected_status": 200},
    {"method": "POST", "path": "/api/camera/start", "expected_status": 200},
    {"method": "PUT", "path": "/api/camera/settings", "expected_status": 200},
    {"method": "DELETE", "path": "/api/recordings/1", "expected_status": 204}
  ]
}

TC_API_003: WebSocket Real-time Communication

Objective: Verify WebSocket functionality for real-time updates
Priority: High
Prerequisites: WebSocket endpoint available

Test Steps:
1. Establish WebSocket connection
2. Subscribe to status updates
3. Subscribe to event notifications
4. Send commands via WebSocket
5. Verify real-time message delivery
6. Test connection handling and recovery

Expected Results:
- WebSocket connects successfully
- Subscription confirmations received
- Real-time updates delivered promptly
- Commands executed correctly
- Connection recovers from interruptions
- Clean disconnection possible

Test Data:

{
  "websocket_tests": [
    {
      "action": "subscribe",
      "channel": "status",
      "expected_response": "subscription_confirmed"
    },
    {
      "action": "command",
      "command": "camera_start",
      "expected_response": "command_response"
    }
  ]
}

TC_API_004: ONVIF Protocol Compliance

Objective: Verify ONVIF protocol implementation
Priority: Medium
Prerequisites: ONVIF services enabled

Test Steps:
1. ONVIF device discovery
2. GetDeviceInformation request
3. GetProfiles request
4. GetStreamUri request
5. PTZ control commands (if supported)
6. Event subscription

Expected Results:
- Device discovered via WS-Discovery
- SOAP responses valid and compliant
- Profiles returned correctly
- Stream URIs functional
- PTZ commands work if supported
- Events delivered properly

Test Data:

{
  "onvif_tests": [
    {
      "service": "device",
      "operation": "GetDeviceInformation",
      "expected_fields": ["Manufacturer", "Model", "SerialNumber"]
    },
    {
      "service": "media",
      "operation": "GetProfiles",
      "expected_profiles": 2
    }
  ]
}

User Management

Objective: Verify user account management
Priority: High
Prerequisites: Administrative access

Test Steps:
1. Create new user account
2. Verify user can login
3. Test password requirements
4. Test username uniqueness
5. Test email validation
6. Test account activation

Expected Results:
- User account created successfully
- Login works with correct credentials
- Password policy enforced
- Duplicate usernames rejected
- Invalid emails rejected
- Account activation required

Test Data:

{
  "valid_users": [
    {
      "username": "newuser",
      "email": "newuser@example.com",
      "password": "SecurePass123!",
      "role": "operator"
    }
  ],
  "invalid_users": [
    {"username": "", "email": "test@example.com", "password": "pass"},
    {"username": "user", "email": "invalid-email", "password": "pass"},
    {"username": "user", "email": "test@example.com", "password": "123"}
  ]
}

TC_USER_002: Role-Based Access Control

Objective: Verify user role permissions
Priority: Critical
Prerequisites: Users with different roles

Test Steps:
1. Login as administrator
2. Test admin-only operations
3. Login as operator
4. Test operator permissions
5. Login as viewer
6. Test viewer restrictions

Expected Results:
- Admin can access all functions
- Operator can control camera, not manage users
- Viewer can only view status and streams
- Unauthorized operations rejected
- Role changes take effect immediately
- Proper error messages for denied access

Test Data:

{
  "role_permissions": {
    "administrator": ["*"],
    "operator": ["camera.*", "recording.*", "settings.read"],
    "viewer": ["status.read", "stream.view", "camera.info"]
  },
  "test_operations": [
    {"operation": "user.create", "admin": true, "operator": false, "viewer": false},
    {"operation": "camera.start", "admin": true, "operator": true, "viewer": false},
    {"operation": "status.read", "admin": true, "operator": true, "viewer": true}
  ]
}

Configuration Management

TC_CONFIG_001: Network Configuration

Objective: Verify network settings configuration
Priority: High
Prerequisites: Administrative access

Test Steps:
1. View current network settings
2. Modify HTTP port configuration
3. Modify RTSP port configuration
4. Test static IP configuration
5. Test DHCP configuration
6. Verify settings persistence

Expected Results:
- Current settings displayed correctly
- Port changes applied successfully
- Services restart on new ports
- IP configuration works
- Settings saved to persistent storage
- Invalid configurations rejected

Test Data:

{
  "network_tests": [
    {"http_port": 8080, "rtsp_port": 554, "valid": true},
    {"http_port": 9090, "rtsp_port": 8554, "valid": true},
    {"http_port": 65536, "rtsp_port": 554, "valid": false},
    {"http_port": -1, "rtsp_port": 554, "valid": false}
  ]
}

TC_CONFIG_002: Storage Configuration

Objective: Verify storage settings and management
Priority: High
Prerequisites: File system access

Test Steps:
1. Configure storage location
2. Set storage limits
3. Configure retention policies
4. Test automatic cleanup
5. Test storage full conditions
6. Verify backup configurations

Expected Results:
- Storage location set correctly
- Limits enforced properly
- Old files cleaned up automatically
- System handles storage full gracefully
- Backup settings work
- Configuration persists

Test Data:

{
  "storage_tests": [
    {
      "path": "/var/recordings",
      "max_size": "10GB",
      "retention_days": 30,
      "cleanup_enabled": true
    },
    {
      "path": "/invalid/path",
      "max_size": "10GB",
      "valid": false
    }
  ]
}

Non-Functional Test Cases

Performance Test Cases

TC_PERF_001: Streaming Performance

Objective: Verify streaming performance under various conditions
Priority: High
Prerequisites: Camera system operational

Test Steps:
1. Start single stream
2. Measure frame rate consistency
3. Start multiple concurrent streams
4. Monitor CPU and memory usage
5. Test with different resolutions
6. Measure latency

Expected Results:
- Frame rate within 5% of configured value
- CPU usage < 80% for single stream
- Memory usage stable over time
- Multiple streams supported
- Latency < 500ms for local network
- No frame drops under normal load

Test Data:

{
  "performance_targets": {
    "single_stream_cpu": 80,
    "single_stream_memory": 200,
    "max_concurrent_streams": 4,
    "max_latency_ms": 500,
    "frame_rate_tolerance": 0.05
  }
}

TC_PERF_002: API Response Times

Objective: Verify API response performance
Priority: Medium
Prerequisites: System under normal load

Test Steps:
1. Test all API endpoints
2. Measure response times
3. Test with concurrent requests
4. Monitor during high load
5. Test database operations
6. Measure WebSocket latency

Expected Results:
- GET requests < 100ms
- POST requests < 500ms
- Database queries < 200ms
- WebSocket messages < 50ms
- Performance consistent under load
- No timeout errors

Test Data:

{
  "response_time_targets": {
    "get_requests": 100,
    "post_requests": 500,
    "database_queries": 200,
    "websocket_latency": 50,
    "concurrent_users": 20
  }
}

Security Test Cases

TC_SEC_001: Authentication Security

Objective: Verify authentication mechanism security
Priority: Critical
Prerequisites: System with authentication enabled

Test Steps:
1. Test password complexity requirements
2. Test account lockout after failed attempts
3. Test session timeout
4. Test token expiration
5. Test password reset security
6. Test brute force protection

Expected Results:
- Weak passwords rejected
- Account locked after failed attempts
- Sessions expire properly
- Tokens expire as configured
- Password reset secure
- Brute force attempts blocked

Test Data:

{
  "security_policies": {
    "password_min_length": 8,
    "password_complexity": true,
    "max_login_attempts": 5,
    "lockout_duration": 300,
    "token_expiry": 3600,
    "session_timeout": 1800
  }
}

TC_SEC_002: Data Protection

Objective: Verify data encryption and protection
Priority: High
Prerequisites: HTTPS/TLS configured

Test Steps:
1. Verify HTTPS enforcement
2. Test TLS certificate validation
3. Test data encryption at rest
4. Test password hashing
5. Test API key security
6. Test data transmission security

Expected Results:
- HTTP redirects to HTTPS
- Valid TLS certificates
- Sensitive data encrypted
- Passwords properly hashed
- API keys not exposed
- All transmissions encrypted

Test Data:

{
  "encryption_tests": {
    "tls_version": "1.2",
    "cipher_suites": ["AES128-GCM-SHA256"],
    "password_hash": "bcrypt",
    "data_encryption": "AES-256",
    "certificate_validity": true
  }
}

Reliability Test Cases

TC_REL_001: System Stability

Objective: Verify system stability over extended periods
Priority: High
Prerequisites: Fully configured system

Test Steps:
1. Run continuous streaming for 24 hours
2. Monitor memory leaks
3. Monitor resource usage
4. Test automatic recovery
5. Test log rotation
6. Monitor error rates

Expected Results:
- System runs without crashes
- Memory usage stable
- No resource exhaustion
- Automatic recovery works
- Logs rotate properly
- Error rate < 0.1%

Test Data:

{
  "stability_metrics": {
    "test_duration": 86400,
    "max_memory_growth": "10MB",
    "max_cpu_sustained": 75,
    "max_error_rate": 0.001,
    "recovery_time": 30
  }
}

TC_REL_002: Fault Tolerance

Objective: Verify system handles failures gracefully
Priority: High
Prerequisites: System with fault injection capability

Test Steps:
1. Simulate camera disconnect
2. Simulate network interruption
3. Simulate disk full condition
4. Simulate power interruption
5. Test database connection loss
6. Test service crashes

Expected Results:
- Camera disconnect detected
- Network reconnection automatic
- Disk full handled gracefully
- System recovers from power loss
- Database reconnection works
- Services restart automatically

Test Data:

{
  "fault_scenarios": [
    {"type": "camera_disconnect", "recovery_time": 10},
    {"type": "network_loss", "recovery_time": 30},
    {"type": "disk_full", "cleanup_enabled": true},
    {"type": "service_crash", "restart_enabled": true}
  ]
}

Edge Case Test Cases

Boundary Value Testing

TC_EDGE_001: Configuration Limits

Objective: Test system behavior at configuration boundaries
Priority: Medium
Prerequisites: System with configurable parameters

Test Steps:
1. Test minimum resolution values
2. Test maximum resolution values
3. Test minimum frame rate
4. Test maximum frame rate
5. Test storage size limits
6. Test user account limits

Expected Results:
- Minimum values accepted
- Maximum values accepted
- Values beyond limits rejected
- Appropriate error messages
- System remains stable
- Default values used for invalid input

Test Data:

{
  "boundary_tests": [
    {"parameter": "resolution_width", "min": 320, "max": 3840},
    {"parameter": "resolution_height", "min": 240, "max": 2160},
    {"parameter": "framerate", "min": 1, "max": 60},
    {"parameter": "storage_size", "min": "1GB", "max": "10TB"},
    {"parameter": "max_users", "min": 1, "max": 1000}
  ]
}

Error Condition Testing

TC_ERROR_001: Hardware Failure Simulation

Objective: Test behavior when hardware components fail
Priority: High
Prerequisites: Mockable hardware interfaces

Test Steps:
1. Simulate camera hardware failure
2. Simulate storage device failure
3. Simulate network interface failure
4. Test invalid device paths
5. Test permission denied errors
6. Test device busy conditions

Expected Results:
- Hardware failures detected
- Error messages informative
- System continues other operations
- Recovery possible when hardware returns
- No crashes or hangs
- User notified of issues

Test Data:

{
  "hardware_errors": [
    {"device": "/dev/video0", "error": "no_such_device"},
    {"device": "/dev/video0", "error": "permission_denied"},
    {"device": "/dev/video0", "error": "device_busy"},
    {"storage": "/recordings", "error": "read_only"},
    {"network": "eth0", "error": "interface_down"}
  ]
}

TC_ERROR_002: Resource Exhaustion

Objective: Test behavior under resource constraints
Priority: High
Prerequisites: Resource monitoring capability

Test Steps:
1. Fill disk to capacity
2. Exhaust available memory
3. Consume all CPU resources
4. Exceed network bandwidth
5. Reach file descriptor limits
6. Test concurrent connection limits

Expected Results:
- Resource exhaustion detected
- Graceful degradation of service
- Error messages clear
- Recovery when resources available
- No system crashes
- Cleanup mechanisms work

Test Data:

{
  "resource_limits": [
    {"resource": "disk_space", "threshold": "95%", "action": "cleanup"},
    {"resource": "memory", "threshold": "90%", "action": "reduce_quality"},
    {"resource": "cpu", "threshold": "95%", "action": "limit_streams"},
    {"resource": "connections", "limit": 100, "action": "reject_new"}
  ]
}

Test Execution Framework

Test Case Template

# Test case template for C Pro
import unittest2, asynctest, json
import ../config

suite "Test Suite Name":
  var env: TestEnvironment

  setup:
    env = setupTestEnvironment()
    # Test-specific setup

  teardown:
    cleanupTestEnvironment(env)
    # Test-specific cleanup

  test "TC_XXX_001: Test Case Description":
    # Test case ID: TC_XXX_001
    # Priority: High/Medium/Low
    # Category: Functional/Performance/Security/etc.

    # Arrange
    let testData = loadTestData("test_case_data.json")

    # Act
    let result = performTestAction(testData)

    # Assert
    check result.success == true
    check result.data != nil

    # Verify expected results
    verifyTestResults(result, testData.expectedResults)

Test Data Management

{
  "test_case_metadata": {
    "TC_CAM_001": {
      "title": "Camera Initialization",
      "priority": "High",
      "category": "Functional",
      "estimated_duration": 30,
      "prerequisites": ["camera_available"],
      "automation_status": "automated"
    }
  },
  "test_execution_config": {
    "parallel_execution": true,
    "max_parallel_tests": 4,
    "retry_failed_tests": 3,
    "capture_screenshots": true,
    "generate_reports": true
  }
}

Test Metrics and Reporting

# test_metrics.nim
type
  TestResult* = object
    testId*: string
    status*: TestStatus
    duration*: float
    errorMessage*: string
    timestamp*: DateTime

  TestMetrics* = object
    totalTests*: int
    passedTests*: int
    failedTests*: int
    skippedTests*: int
    totalDuration*: float
    coverage*: float

proc generateTestReport*(results: seq[TestResult]): TestMetrics =
  ## Generate comprehensive test report
  result = TestMetrics(
    totalTests: results.len,
    passedTests: results.filter(r => r.status == Passed).len,
    failedTests: results.filter(r => r.status == Failed).len,
    skippedTests: results.filter(r => r.status == Skipped).len,
    totalDuration: results.map(r => r.duration).sum
  )

  # Calculate pass rate
  let passRate = result.passedTests.float / result.totalTests.float * 100
  echo f"Test Pass Rate: {passRate:.2f}%"

Testing Strategies - Overall testing approach
Validation Procedures - System validation
API Reference - API testing reference
Performance - Performance testing

Comprehensive test case specifications ensuring thorough system validation and quality assurance

Test Cases

Overview

Functional Test Cases

Camera Operations

TC_CAM_001: Camera Initialization

TC_CAM_002: Video Streaming Start/Stop

TC_CAM_003: Recording Functionality

TC_CAM_004: Snapshot Capture

TC_CAM_005: Camera Settings Configuration

API Functionality

TC_API_001: Authentication and Authorization

TC_API_002: HTTP API Endpoints

TC_API_003: WebSocket Real-time Communication

TC_API_004: ONVIF Protocol Compliance

User Management

TC_USER_001: User Registration and Login

TC_USER_002: Role-Based Access Control

Configuration Management

TC_CONFIG_001: Network Configuration

TC_CONFIG_002: Storage Configuration

Non-Functional Test Cases

Performance Test Cases

TC_PERF_001: Streaming Performance

TC_PERF_002: API Response Times

Security Test Cases

TC_SEC_001: Authentication Security

TC_SEC_002: Data Protection

Reliability Test Cases

TC_REL_001: System Stability

TC_REL_002: Fault Tolerance

Edge Case Test Cases

Boundary Value Testing

TC_EDGE_001: Configuration Limits

Error Condition Testing

TC_ERROR_001: Hardware Failure Simulation

TC_ERROR_002: Resource Exhaustion

Test Execution Framework

Test Case Template

Test Data Management

Test Metrics and Reporting

Related Documentation