From 0d87c2337e672ff75d2de5417ca88d68aeae98c9 Mon Sep 17 00:00:00 2001
From: "google-labs-jules[bot]"
 <161369871+google-labs-jules[bot]@users.noreply.github.com>
Date: Sat, 20 Jun 2026 21:33:17 +0000
Subject: [PATCH] Add unit tests for unpack_csvlist utility function

- Create tests/test_utils.py to test the dribdat.utils.unpack_csvlist function.
- Cover empty inputs, normal comma-separated strings, list with extra whitespace, lists with duplicates, custom separators, and lists with empty elements.

Co-authored-by: loleg <31819+loleg@users.noreply.github.com>
---
 tests/test_utils.py | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 tests/test_utils.py

diff --git a/tests/test_utils.py b/tests/test_utils.py
new file mode 100644
index 00000000..464e8843
--- /dev/null
+++ b/tests/test_utils.py
@@ -0,0 +1,26 @@
+# -*- coding: utf-8 -*-
+"""Utility unit tests."""
+
+import pytest
+from dribdat.utils import unpack_csvlist
+
+def test_unpack_csvlist_empty():
+    assert unpack_csvlist(None) == []
+    assert unpack_csvlist("") == []
+
+def test_unpack_csvlist_normal():
+    assert unpack_csvlist("a,b,c") == ["a", "b", "c"]
+
+def test_unpack_csvlist_whitespace():
+    assert unpack_csvlist(" a , b,c  ") == ["a", "b", "c"]
+
+def test_unpack_csvlist_duplicate():
+    assert unpack_csvlist("a,b,a,c,b") == ["a", "b", "c"]
+
+def test_unpack_csvlist_custom_separator():
+    assert unpack_csvlist("a|b|c", sep="|") == ["a", "b", "c"]
+    assert unpack_csvlist("a;b;a", sep=";") == ["a", "b"]
+
+def test_unpack_csvlist_empty_elements():
+    assert unpack_csvlist("a,,b") == ["a", "", "b"]
+    assert unpack_csvlist("a, ,b") == ["a", "", "b"]