backend.tests.unit.components.camera_verification.error_handling.test_error_service

  1import pytest
  2from unittest.mock import patch, MagicMock
  3
  4from backend.components.camera_verification.error_handling import errorService
  5from backend.components.camera_verification.error_handling.errorConfig import ErrorResponse
  6from backend.components.camera_verification.faceid.faceidService import (
  7    FaceIDError,
  8    NoFacesFoundError,
  9    MultipleWorkersError,
 10    FaceNotMatchingError
 11)
 12from backend.components.camera_verification.qrcode.qrcodeService import (
 13    QRCodeError,
 14    NoCodeFoundError,
 15    InvalidCodeError,
 16    MultipleCodesError,
 17    ExpiredCodeError
 18)
 19
 20
 21# ============================================================================
 22# Test verification_response_handler - Success Cases
 23# ============================================================================
 24
 25def test_verification_response_handler_no_exception():
 26    """Test handler with no exception returns success response."""
 27    response = errorService.verification_response_handler(None)
 28
 29    assert isinstance(response, ErrorResponse)
 30    assert response is not None
 31
 32
 33def test_verification_response_handler_returns_error_response():
 34    """Test that handler always returns ErrorResponse object."""
 35    exception = Exception("Test error")
 36    response = errorService.verification_response_handler(exception)
 37
 38    assert isinstance(response, ErrorResponse)
 39    assert hasattr(response, 'code')
 40    assert hasattr(response, 'message')
 41    assert hasattr(response, 'logged')
 42
 43
 44# ============================================================================
 45# Test verification_response_handler - Generic Exception Cases
 46# ============================================================================
 47
 48def test_verification_response_handler_unknown_exception():
 49    """Test handler with unknown exception type returns default response."""
 50    exception = ValueError("Unknown error type")
 51    response = errorService.verification_response_handler(exception)
 52
 53    assert isinstance(response, ErrorResponse)
 54    assert response.code is not None
 55    # Message should include the exception details
 56    assert str(exception) in response.message
 57
 58
 59def test_verification_response_handler_runtime_error():
 60    """Test handler with RuntimeError exception."""
 61    exception = RuntimeError("Runtime error occurred")
 62    response = errorService.verification_response_handler(exception)
 63
 64    assert isinstance(response, ErrorResponse)
 65    assert "Runtime error occurred" in response.message
 66
 67
 68def test_verification_response_handler_type_error():
 69    """Test handler with TypeError exception."""
 70    exception = TypeError("Type mismatch error")
 71    response = errorService.verification_response_handler(exception)
 72
 73    assert isinstance(response, ErrorResponse)
 74    assert "Type mismatch error" in response.message
 75
 76
 77# ============================================================================
 78# Test verification_response_handler - Response Properties
 79# ============================================================================
 80
 81def test_verification_response_handler_response_has_logged():
 82    """Test that response includes logged property."""
 83    exception = NoFacesFoundError("Test error")
 84    response = errorService.verification_response_handler(exception)
 85
 86    assert hasattr(response, 'logged')
 87    assert isinstance(response.logged, bool)
 88
 89
 90def test_verification_response_handler_response_has_code():
 91    """Test that response includes error code."""
 92    exception = MultipleWorkersError("Test error")
 93    response = errorService.verification_response_handler(exception)
 94
 95    assert hasattr(response, 'code')
 96    assert response.code is not None
 97
 98
 99def test_verification_response_handler_response_has_message():
100    """Test that response includes error message."""
101    exception = FaceNotMatchingError("Face mismatch")
102    response = errorService.verification_response_handler(exception)
103
104    assert hasattr(response, 'message')
105    assert len(response.message) > 0
106
107
108# ============================================================================
109# Test verification_response_handler - Exception Message Preservation
110# ============================================================================
111def test_verification_response_handler_appends_to_default_message():
112    """Test that unknown exception message is appended to default response."""
113    custom_error = "Detailed error information"
114    exception = IOError(custom_error)
115    response = errorService.verification_response_handler(exception)
116
117    assert custom_error in response.message
118
119
120# ============================================================================
121# Test verification_response_handler - Edge Cases
122# ============================================================================
123def test_verification_response_handler_with_empty_exception_message():
124    """Test handler with exception that has empty message."""
125    exception = Exception("")
126    response = errorService.verification_response_handler(exception)
127
128    assert isinstance(response, ErrorResponse)
129    assert response.code is not None
130
131
132def test_verification_response_handler_multiple_calls_consistency():
133    """Test that handler returns consistent responses for same exception type."""
134    exception1 = NoFacesFoundError("Error 1")
135    exception2 = NoFacesFoundError("Error 2")
136
137    response1 = errorService.verification_response_handler(exception1)
138    response2 = errorService.verification_response_handler(exception2)
139
140    # Both should be valid responses
141    assert isinstance(response1, ErrorResponse)
142    assert isinstance(response2, ErrorResponse)
143    # Codes should match for same exception type
144    assert response1.code == response2.code