feat(ssh-tunnelling): Setup SSH Tunneling Commands for Database Connections (#21912)

Co-authored-by: Antonio Rivero Martinez <38889534+Antonio-RiveroMartnez@users.noreply.github.com>
Co-authored-by: Elizabeth Thompson <eschutho@gmail.com>

tests/unit_tests/databases/ssh_tunnel/commands/create_test.py

@@ -0,0 +1,68 @@
+# 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 typing import Iterator
+
+import pytest
+from sqlalchemy.orm.session import Session
+
+from superset.databases.ssh_tunnel.commands.exceptions import SSHTunnelInvalidError
+
+
+def test_create_ssh_tunnel_command() -> None:
+    from superset.databases.ssh_tunnel.commands.create import CreateSSHTunnelCommand
+    from superset.databases.ssh_tunnel.models import SSHTunnel
+    from superset.models.core import Database
+
+    db = Database(id=1, database_name="my_database", sqlalchemy_uri="sqlite://")
+
+    properties = {
+        "database_id": db.id,
+        "server_address": "123.132.123.1",
+        "server_port": "3005",
+        "username": "foo",
+        "password": "bar",
+    }
+
+    result = CreateSSHTunnelCommand(db.id, properties).run()
+
+    assert result is not None
+    assert isinstance(result, SSHTunnel)
+
+
+def test_create_ssh_tunnel_command_invalid_params() -> None:
+    from superset.databases.ssh_tunnel.commands.create import CreateSSHTunnelCommand
+    from superset.databases.ssh_tunnel.models import SSHTunnel
+    from superset.models.core import Database
+
+    db = Database(id=1, database_name="my_database", sqlalchemy_uri="sqlite://")
+
+    # If we are trying to create a tunnel with a private_key_password
+    # then a private_key is mandatory
+    properties = {
+        "database_id": db.id,
+        "server_address": "123.132.123.1",
+        "server_port": "3005",
+        "username": "foo",
+        "private_key_password": "bar",
+    }
+
+    command = CreateSSHTunnelCommand(db.id, properties)
+
+    with pytest.raises(SSHTunnelInvalidError) as excinfo:
+        command.run()
+    assert str(excinfo.value) == ("SSH Tunnel parameters are invalid.")