Fetch SSH tunnel creds and test

tests/test_lolaconfig.py

@@ -50,3 +50,24 @@ def test_lolaconfig_fetches_trino_creds_properly():
     lolaconfig.fetch_trino_credentials(s3_reader=fake_s3_reader)
 
     assert type(lolaconfig.TRINO_CREDENTIALS) is dict
+
+
+def test_lolaconfig_fetches_ssh_tunnel_creds_properly():
+    lolaconfig = LolaConfig(flow_name="some-flow")
+
+    fake_s3_reader = SimpleNamespace()
+
+    def mock_read_json_from_s3_file(bucket, key):
+        return {
+            "pt_ssh_pkey_path": "some-path",
+            "pt_ssh_pkey_passphrase": "some-password",
+            "pt_ssh_username": "some-username",
+            "pt_ssh_jumphost_port": "some-port",
+            "pt_ssh_jumphost": "some-jumphost",
+        }
+
+    fake_s3_reader.read_json_from_s3_file = mock_read_json_from_s3_file
+
+    lolaconfig.fetch_ssh_tunnel_credentials(s3_reader=fake_s3_reader)
+
+    assert type(lolaconfig.SSH_TUNNEL_CREDENTIALS) is dict