[#153] Add a test for the default Spark app name

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"