feat: add databricks form (#21573)

tests/integration_tests/db_engine_specs/databricks_tests.py

@@ -0,0 +1,67 @@
+# Licensed to the Apache Software Foundation (ASF) under one
+# or more contributor license agreements.  See the NOTICE file
+# distributed with this work for additional information
+# regarding copyright ownership.  The ASF licenses this file
+# to you under the Apache License, Version 2.0 (the
+# "License"); you may not use this file except in compliance
+# with the License.  You may obtain a copy of the License at
+#
+#   http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing,
+# software distributed under the License is distributed on an
+# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
+# KIND, either express or implied.  See the License for the
+# specific language governing permissions and limitations
+# under the License.
+from textwrap import dedent
+from unittest import mock
+
+from sqlalchemy import column, literal_column
+
+from superset.constants import USER_AGENT
+from superset.db_engine_specs import get_engine_spec
+from superset.db_engine_specs.databricks import DatabricksNativeEngineSpec
+from tests.integration_tests.db_engine_specs.base_tests import (
+    assert_generic_types,
+    TestDbEngineSpec,
+)
+from tests.integration_tests.fixtures.certificates import ssl_certificate
+from tests.integration_tests.fixtures.database import default_db_extra
+
+
+class TestDatabricksDbEngineSpec(TestDbEngineSpec):
+    def test_get_engine_spec(self):
+        """
+        DB Eng Specs (databricks): Test "databricks" in engine spec
+        """
+        assert get_engine_spec("databricks", "connector").engine == "databricks"
+        assert get_engine_spec("databricks", "pyodbc").engine == "databricks"
+        assert get_engine_spec("databricks", "pyhive").engine == "databricks"
+
+    def test_extras_without_ssl(self):
+        db = mock.Mock()
+        db.extra = default_db_extra
+        db.server_cert = None
+        extras = DatabricksNativeEngineSpec.get_extra_params(db)
+        assert "connect_args" not in extras["engine_params"]
+
+    def test_extras_with_user_agent(self):
+        db = mock.Mock()
+        db.extra = default_db_extra
+        extras = DatabricksNativeEngineSpec.get_extra_params(db)
+        _, user_agent = extras["http_headers"][0]
+        user_agent_entry = extras["_user_agent_entry"]
+        assert user_agent == USER_AGENT
+        assert user_agent_entry == USER_AGENT
+
+    def test_extras_with_ssl_custom(self):
+        db = mock.Mock()
+        db.extra = default_db_extra.replace(
+            '"engine_params": {}',
+            '"engine_params": {"connect_args": {"ssl": "1"}}',
+        )
+        db.server_cert = ssl_certificate
+        extras = DatabricksNativeEngineSpec.get_extra_params(db)
+        connect_args = extras["engine_params"]["connect_args"]
+        assert connect_args["ssl"] == "1"