From 740f50a3d6dfe4dff18cfba10900641102a8b5ea Mon Sep 17 00:00:00 2001
From: rileyh <rileyh@umn.edu>
Date: Wed, 9 Oct 2024 16:24:50 +0000
Subject: [PATCH] [#153] Add a test for the default Spark app name

---
 hlink/tests/spark_connection_test.py | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 hlink/tests/spark_connection_test.py

diff --git a/hlink/tests/spark_connection_test.py b/hlink/tests/spark_connection_test.py
new file mode 100644
index 0000000..4fb331f
--- /dev/null
+++ b/hlink/tests/spark_connection_test.py
@@ -0,0 +1,16 @@
+from pathlib import Path
+import sys
+
+from hlink.spark.session import SparkConnection
+
+
+def test_app_name_defaults_to_linking(tmp_path: Path) -> None:
+    derby_dir = tmp_path / "derby"
+    warehouse_dir = tmp_path / "warehouse"
+    tmp_dir = tmp_path / "tmp"
+    connection = SparkConnection(
+        derby_dir, warehouse_dir, tmp_dir, sys.executable, "test"
+    )
+    spark = connection.local(cores=1, executor_memory="1G")
+    app_name = spark.conf.get("spark.app.name")
+    assert app_name == "linking"