feat: inject traceparent in enterprise api (#30895)

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

api/tests/unit_tests/services/enterprise/test_traceparent_propagation.py

@@ -0,0 +1,59 @@
+"""Unit tests for traceparent header propagation in EnterpriseRequest.
+
+This test module verifies that the W3C traceparent header is properly
+generated and included in HTTP requests made by EnterpriseRequest.
+"""
+
+from unittest.mock import MagicMock, patch
+
+import pytest
+
+from services.enterprise.base import EnterpriseRequest
+
+
+class TestTraceparentPropagation:
+    """Unit tests for traceparent header propagation."""
+
+    @pytest.fixture
+    def mock_enterprise_config(self):
+        """Mock EnterpriseRequest configuration."""
+        with (
+            patch.object(EnterpriseRequest, "base_url", "https://enterprise-api.example.com"),
+            patch.object(EnterpriseRequest, "secret_key", "test-secret-key"),
+            patch.object(EnterpriseRequest, "secret_key_header", "Enterprise-Api-Secret-Key"),
+        ):
+            yield
+
+    @pytest.fixture
+    def mock_httpx_client(self):
+        """Mock httpx.Client for testing."""
+        with patch("services.enterprise.base.httpx.Client") as mock_client_class:
+            mock_client = MagicMock()
+            mock_client_class.return_value.__enter__.return_value = mock_client
+            mock_client_class.return_value.__exit__.return_value = None
+
+            # Setup default response
+            mock_response = MagicMock()
+            mock_response.json.return_value = {"result": "success"}
+            mock_client.request.return_value = mock_response
+
+            yield mock_client
+
+    def test_traceparent_header_included_when_generated(self, mock_enterprise_config, mock_httpx_client):
+        """Test that traceparent header is included when successfully generated."""
+        # Arrange
+        expected_traceparent = "00-5b8aa5a2d2c872e8321cf37308d69df2-051581bf3bb55c45-01"
+
+        with patch("services.enterprise.base.generate_traceparent_header", return_value=expected_traceparent):
+            # Act
+            EnterpriseRequest.send_request("GET", "/test")
+
+            # Assert
+            mock_httpx_client.request.assert_called_once()
+            call_args = mock_httpx_client.request.call_args
+            headers = call_args[1]["headers"]
+
+            assert "traceparent" in headers
+            assert headers["traceparent"] == expected_traceparent
+            assert headers["Content-Type"] == "application/json"
+            assert headers["Enterprise-Api-Secret-Key"] == "test-secret-key"