add test_convert_dttm (#12539)

tests/db_engine_specs/hana_tests.py

@@ -0,0 +1,33 @@
+# 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 superset.db_engine_specs.hana import HanaEngineSpec
+from tests.db_engine_specs.base_tests import TestDbEngineSpec
+
+
+class TestHanaDbEngineSpec(TestDbEngineSpec):
+    def test_convert_dttm(self):
+        dttm = self.get_dttm()
+
+        self.assertEqual(
+            HanaEngineSpec.convert_dttm("DATE", dttm),
+            "TO_DATE('2019-01-02', 'YYYY-MM-DD')",
+        )
+
+        self.assertEqual(
+            HanaEngineSpec.convert_dttm("TIMESTAMP", dttm),
+            "TO_TIMESTAMP('2019-01-02T03:04:05.678900', 'YYYY-MM-DD\"T\"HH24:MI:SS.ff6')",
+        )