get_table_names(): Add software test from cratedb-toolkit

pyproject.toml

@@ -111,6 +111,7 @@ release = [
   "twine<6",
 ]
 test = [
+  "cratedb-toolkit[testing]",
   "dask[dataframe]",
   "pandas<2.3",
   "pueblo>=0.0.7",

tests/conftest.py

@@ -0,0 +1,21 @@
+# Copyright (c) 2021-2023, Crate.io Inc.
+# Distributed under the terms of the AGPLv3 license, see LICENSE.
+import pytest
+from cratedb_toolkit.testing.testcontainers.cratedb import CrateDBTestAdapter
+
+# Use different schemas for storing the subsystem database tables, and the
+# test/example data, so that they do not accidentally touch the default `doc`
+# schema.
+TESTDRIVE_EXT_SCHEMA = "testdrive-ext"
+TESTDRIVE_DATA_SCHEMA = "testdrive-data"
+
+
+@pytest.fixture(scope="session")
+def cratedb_service():
+    """
+    Provide a CrateDB service instance to the test suite.
+    """
+    db = CrateDBTestAdapter()
+    db.start()
+    yield db
+    db.stop()

tests/test_schema.py

@@ -0,0 +1,25 @@
+import sqlalchemy as sa
+
+from tests.conftest import TESTDRIVE_DATA_SCHEMA
+
+
+def test_correct_schema(cratedb_service):
+    """
+    Tests that the correct schema is being picked up.
+    """
+    database = cratedb_service.database
+
+    tablename = f'"{TESTDRIVE_DATA_SCHEMA}"."foobar"'
+    inspector: sa.Inspector = sa.inspect(database.engine)
+    database.run_sql(f"CREATE TABLE {tablename} AS SELECT 1")
+
+    assert TESTDRIVE_DATA_SCHEMA in inspector.get_schema_names()
+
+    table_names = inspector.get_table_names(schema=TESTDRIVE_DATA_SCHEMA)
+    assert table_names == ["foobar"]
+
+    view_names = inspector.get_view_names(schema=TESTDRIVE_DATA_SCHEMA)
+    assert view_names == []
+
+    indexes = inspector.get_indexes(tablename)
+    assert indexes == []