1 files changed, 12 insertions, 0 deletions
diff --git a/tests/filters/test_clean.py b/tests/filters/test_clean.py
new file mode 100644
index 0000000..32553b4
--- /dev/null
+++ b/tests/filters/test_clean.py
@@ -0,0 +1,12 @@
+import pytest
+
+import resumejson_converter.filters as filters
+
+
+def test_clean_no_parameter():
+    with pytest.raises(TypeError):
+        filters.clean()
+
+
+def test_clean():
+    assert filters.clean("0011223344") == "00 11 22 33 44"