feat(tests): Implement comprehensive testing framework for telemetry system

tests/telemetry/conftest.py

@@ -0,0 +1,64 @@
+"""
+Test configuration and utilities for telemetry testing.
+"""
+
+import os
+import pytest
+
+
+def pytest_configure(config):  # noqa: ARG001
+    """Configure pytest for telemetry tests."""
+    # Add custom markers
+    config.addinivalue_line("markers", "unit: Unit tests")
+    config.addinivalue_line("markers", "integration: Integration tests") 
+    config.addinivalue_line("markers", "privacy: Privacy compliance tests")
+    config.addinivalue_line("markers", "performance: Performance tests")
+    config.addinivalue_line("markers", "slow: Slow running tests")
+
+
+def pytest_collection_modifyitems(config, items):  # noqa: ARG001
+    """Modify test collection to add markers automatically."""
+    for item in items:
+        # Add markers based on test location and name
+        if "telemetry" in str(item.fspath):
+            if "integration" in item.name or "test_integration" in str(item.fspath):
+                item.add_marker(pytest.mark.integration)
+            elif "privacy" in item.name or "performance" in item.name:
+                if "privacy" in item.name:
+                    item.add_marker(pytest.mark.privacy)
+                if "performance" in item.name:
+                    item.add_marker(pytest.mark.performance)
+            else:
+                item.add_marker(pytest.mark.unit)
+            
+            # Mark slow tests
+            if "slow" in item.name or any(mark.name == "slow" for mark in item.iter_markers()):
+                item.add_marker(pytest.mark.slow)
+
+
+@pytest.fixture(autouse=True)
+def setup_test_environment():
+    """Set up test environment variables."""
+    # Ensure we're in test mode
+    os.environ['CRAWL4AI_TEST_MODE'] = '1'
+    
+    # Disable actual telemetry during tests unless explicitly enabled
+    if 'CRAWL4AI_TELEMETRY_TEST_REAL' not in os.environ:
+        os.environ['CRAWL4AI_TELEMETRY'] = '0'
+    
+    yield
+    
+    # Clean up after tests
+    test_vars = ['CRAWL4AI_TEST_MODE', 'CRAWL4AI_TELEMETRY_TEST_REAL']
+    for var in test_vars:
+        if var in os.environ:
+            del os.environ[var]
+
+
+def pytest_report_header(config):  # noqa: ARG001
+    """Add information to pytest header."""
+    return [
+        "Crawl4AI Telemetry Tests",
+        f"Test mode: {'ENABLED' if os.environ.get('CRAWL4AI_TEST_MODE') else 'DISABLED'}",
+        f"Real telemetry: {'ENABLED' if os.environ.get('CRAWL4AI_TELEMETRY_TEST_REAL') else 'DISABLED'}"
+    ]