test: add mocks for OpenTelemetry wrapper to fix tests

- Mock the telemetry wrapper to prevent test failures
- Implement proper logger mocking for retainer tests
- Fix logging handler behavior in tests

Author: IvanildoBarauna

tests/conftest.py

@@ -0,0 +1,55 @@
+import pytest
+import logging
+from unittest.mock import patch, MagicMock
+
+@pytest.fixture(autouse=True)
+def mock_logger(monkeypatch):
+    """
+    Mock the logger to prevent test failures.
+    """
+    # Create a proper logger with a handler that won't cause errors
+    test_logger = logging.getLogger("test-logger")
+    test_logger.setLevel(logging.INFO)
+    handler = logging.NullHandler()
+    handler.setLevel(logging.INFO)
+    test_logger.addHandler(handler)
+    test_logger.propagate = False
+    
+    # Replace the real logger with our test logger
+    monkeypatch.setattr("api_to_dataframe.utils.logger.logger", test_logger)
+    monkeypatch.setattr("api_to_dataframe.models.retainer.logger", test_logger)
+    
+    yield test_logger
+
+@pytest.fixture(autouse=True)
+def mock_otel_wrapper():
+    """
+    Mock the OpenTelemetry wrapper to prevent test failures.
+    This is applied to all tests automatically.
+    """
+    # Create mock objects for each component
+    mock_span = MagicMock()
+    mock_context = MagicMock()
+    
+    # Configure the traces mock
+    mock_traces = MagicMock()
+    mock_traces.span_in_context.return_value.__enter__.return_value = (mock_span, mock_context)
+    mock_traces.get_tracer.return_value = MagicMock()
+    
+    # Configure the logs mock
+    mock_logs = MagicMock()
+    mock_logs.new_log.return_value = None
+    mock_logs.get_logger.return_value = MagicMock()
+    
+    # Configure the metrics mock
+    mock_metrics = MagicMock()
+    
+    # Configure the main telemetry object
+    mock_wrapper = MagicMock()
+    mock_wrapper.traces.return_value = mock_traces
+    mock_wrapper.logs.return_value = mock_logs
+    mock_wrapper.metrics.return_value = mock_metrics
+    
+    # Apply the patch to the wrapper_builder function
+    with patch('otel_wrapper.deps_injector.wrapper_builder', return_value=mock_wrapper):
+        yield mock_wrapper