Add deployment API integration test

tests/backend/test_deploy_api.py

@@ -0,0 +1,50 @@
+import requests, json, time, pytest
+
+BASE="http://localhost:8000/api/v1"
+
+def token(user="admin"):
+    try:
+        r = requests.post(f"{BASE}/auth/token", data={"username":user,"password":f"{user}pass"}, timeout=2)
+    except requests.exceptions.ConnectionError:
+        pytest.skip("backend API not reachable on localhost:8000")
+    r.raise_for_status()
+    return r.json()["access_token"]
+
+def create_rule(tok):
+    hdr={"Authorization":f"Bearer {tok}"}
+    sigma = """title: DeployMe
+logsource: {product: windows}
+detection: { sel: { process.command_line|contains: \"powershell\" }, condition: sel }
+level: low
+"""
+    r = requests.post(f"{BASE}/rules", headers=hdr, json={
+        "name":"deploy-me","description":"","attack_techniques":["T1059"],"sigma_yaml":sigma,"status":"active"
+    }); r.raise_for_status(); return r.json()["id"]
+
+def test_deploy_dryrun_and_real_and_rollback():
+    admin = token("admin")
+    analyst = token("analyst")
+    ah={"Authorization":f"Bearer {admin}"}
+    an={"Authorization":f"Bearer {analyst}"}
+
+    rid = create_rule(admin)
+
+    # analyst can dry-run
+    r = requests.post(f"{BASE}/deploy/elastic", headers=an, json={"rules":[{"rule_id":rid}],"dry_run":True})
+    assert r.status_code == 200 and r.json()["status"] in ["success","error"]
+
+    # analyst cannot real deploy (should be 403)
+    r = requests.post(f"{BASE}/deploy/elastic", headers=an, json={"rules":[{"rule_id":rid}]})
+    assert r.status_code in [403, 401]
+
+    # admin can real deploy
+    r = requests.post(f"{BASE}/deploy/elastic", headers=ah, json={"rules":[{"rule_id":rid}]})
+    r.raise_for_status(); job_id = r.json()["job_id"]
+
+    # poll status
+    r = requests.get(f"{BASE}/deploy/{job_id}", headers=ah); r.raise_for_status()
+    assert r.json()["status"] in ["success","error"]
+
+    # rollback
+    rr = requests.post(f"{BASE}/deploy/{job_id}/rollback", headers=ah); rr.raise_for_status()
+    assert rr.json()["status"] in ["rolled_back","error"]