fixed an issue with the wrong path

test_runner/regress/test_download_extensions.py

@@ -26,6 +26,7 @@ from fixtures.utils import wait_until
 from prometheus_client.samples import Sample
 
 import json
+import requests
 
 
 def test_file_download(neon_env_builder: NeonEnvBuilder):
@@ -57,9 +58,12 @@ def test_file_download(neon_env_builder: NeonEnvBuilder):
     resp = neon_env_builder.remote_storage_client.get_object(
         Bucket=neon_env_builder.remote_storage.bucket_name, Key=TEST_EXT_PATH
     )
+    # UPDATE: this is the wrong place to install it
     response = resp["Body"]
-    with open("pg_install/v15/lib/test_ext.control", "wb") as f:
-        f.write(response.read())
+    for pgres_version in ("v15", "v14"):
+        fname = f"pg_install/{pgres_version}/share/postgresql/extension/test_ext.control"
+        with open(fname, "wb") as f:
+            f.write(response.read())
 
     tenant, _ = env.neon_cli.create_tenant()
     env.neon_cli.create_timeline("test_file_download", tenant_id=tenant)
@@ -75,21 +79,28 @@ def test_file_download(neon_env_builder: NeonEnvBuilder):
     endpoint = env.endpoints.create_start(
         "test_file_download", tenant_id=tenant, remote_ext_config=remote_ext_config
     )
+
+    # step 5 attempt 2
+    # TODO: I'm not even remotely confident this is the correct port
+    # response = requests.post("http://localhost:15000/extension_server/postgis-3.so")
+    # print(response)
+
     with closing(endpoint.connect()) as conn:
         with conn.cursor() as cur:
+            # test query: insert some values and select them
             cur.execute("CREATE TABLE t(key int primary key, value text)")
             for i in range(100):
                 cur.execute(f"insert into t values({i}, {2*i})")
             cur.execute("select * from t")
-            x = cur.fetchall()
-            log.info(x)
+            log.info(cur.fetchall())
 
-            # TODO: we should see the test_ext extension here
+            # the real test query: check that test_ext is present
             cur.execute("SELECT * FROM pg_available_extensions")
-            x = cur.fetchall()
+            all_extensions = [x[0] for x in cur.fetchall()]
             with open("alek/win.txt", "w") as f:
-                f.write(str(x))
-            log.info(x)
+                f.write(str(all_extensions))
+            log.info(all_extensions)
+            assert "test_ext" in all_extensions
 
     endpoint.stop()
     env.pageserver.http_client().tenant_detach(tenant)