feat: interaction smoke test script for CI

scripts/smoke_test_interactions.py

@@ -0,0 +1,96 @@
+#!/usr/bin/env python3
+"""Smoke test for drug interaction detection against live/local service.
+
+Validates that known dangerous drug pairs are correctly detected.
+Intended to run after DB updates and in CI after Docker build.
+
+Usage:
+    python scripts/smoke_test_interactions.py [BASE_URL]
+
+Default BASE_URL: http://localhost:8000
+Set API_KEY env var for authenticated endpoints.
+"""
+
+import os
+import sys
+import httpx
+
+BASE_URL = sys.argv[1] if len(sys.argv) > 1 else "http://localhost:8000"
+API_KEY = os.environ.get("API_KEY", "")
+
+MUST_DETECT = [
+    ("warfarin", "ibuprofen", "major bleeding risk"),
+    ("phenelzine", "fluoxetine", "serotonin syndrome — contraindicated"),
+    ("ritonavir", "simvastatin", "rhabdomyolysis — contraindicated"),
+    ("methotrexate", "trimethoprim", "bone marrow suppression"),
+]
+
+MUST_BE_SAFE = [
+    ("acetaminophen", "amoxicillin", "no known interaction"),
+]
+
+
+def check_pair(drug_a: str, drug_b: str, expected_safe: bool, reason: str) -> bool:
+    """Check a single drug pair. Returns True if test passes."""
+    headers = {"Content-Type": "application/json"}
+    if API_KEY:
+        headers["X-API-Key"] = API_KEY
+
+    resp = httpx.post(
+        f"{BASE_URL}/interactions",
+        json={"drugs": [drug_a, drug_b]},
+        headers=headers,
+        timeout=30,
+    )
+
+    if resp.status_code != 200:
+        print(f"  FAIL: HTTP {resp.status_code}")
+        return False
+
+    data = resp.json()
+    actual_safe = data.get("safe")
+
+    if actual_safe == expected_safe:
+        print(f"  PASS: {drug_a} + {drug_b} → safe={actual_safe} ({reason})")
+        return True
+    else:
+        print(f"  FAIL: {drug_a} + {drug_b} → safe={actual_safe}, expected={expected_safe} ({reason})")
+        if data.get("interactions"):
+            for ix in data["interactions"]:
+                print(f"        {ix['severity']}: {ix['description'][:80]}")
+        return False
+
+
+def main():
+    print(f"Smoke testing interactions at {BASE_URL}\n")
+
+    passed = 0
+    failed = 0
+
+    print("=== Must detect interaction (safe=false) ===")
+    for drug_a, drug_b, reason in MUST_DETECT:
+        if check_pair(drug_a, drug_b, expected_safe=False, reason=reason):
+            passed += 1
+        else:
+            failed += 1
+
+    print("\n=== Must be safe (safe=true) ===")
+    for drug_a, drug_b, reason in MUST_BE_SAFE:
+        if check_pair(drug_a, drug_b, expected_safe=True, reason=reason):
+            passed += 1
+        else:
+            failed += 1
+
+    print(f"\n{'='*40}")
+    print(f"Results: {passed} passed, {failed} failed out of {passed + failed}")
+
+    if failed > 0:
+        print("\nSMOKE TEST FAILED — known dangerous interactions not detected!")
+        sys.exit(1)
+    else:
+        print("\nAll smoke tests passed.")
+        sys.exit(0)
+
+
+if __name__ == "__main__":
+    main()