fix subprocess logging

tiled/_tests/test_catalog.py

@@ -527,3 +527,34 @@ async def test_constraints_on_parameter_and_num(a, assets):
                 )
             ],
         )
+
+
+@pytest.mark.asyncio
+async def test_init_db_logging(tmpdir, caplog):
+    config = {
+        "database": {
+            "uri": "sqlite+aiosqlite://",  # in-memory
+        },
+        "trees": [
+            {
+                "tree": "catalog",
+                "path": "/",
+                "args": {
+                    "uri": f"sqlite+aiosqlite:///{tmpdir}/catalog.db",
+                    "writable_storage": str(tmpdir / "data"),
+                    "init_if_not_exists": True,
+                },
+            },
+        ],
+    }
+    # Issue 721 notes that the logging of the subprocess that creates
+    # a database logs normal things to error. This test looks at the log
+    # and fails if an error log happens. This could catch anything that is
+    # an error during the app build.
+    import logging
+
+    with caplog.at_level(logging.INFO):
+        app = build_app_from_config(config)
+        for record in caplog.records:
+            assert record.levelname != "ERROR", f"Error found creating app {record.msg}"
+        assert app

tiled/catalog/adapter.py

@@ -1311,7 +1311,7 @@ def from_uri(
         stdout = process.stdout.decode()
         stderr = process.stderr.decode()
         logging.info(f"Subprocess stdout: {stdout}")
-        logging.error(f"Subprocess stderr: {stderr}")
+        logging.info(f"Subprocess stderr: {stderr}")
     if not SCHEME_PATTERN.match(uri):
         # Interpret URI as filepath.
         uri = f"sqlite+aiosqlite:///{uri}"