add test

tests/test_data_safety_tools.py

@@ -0,0 +1,20 @@
+"""Tests for data_safety_tools.py."""
+
+
+from wipac_dev_tools import data_safety_tools
+
+
+def test_00() -> None:
+    """Test with usual values."""
+    senstives = ["my_token", "AUTHOR", "secretive_number", "YouShallNotPass"]
+
+    unimportant_value = "12345"
+
+    for name in ["foo", "bar", "baz"] + senstives:
+        print(name)
+        actual = data_safety_tools.obfuscate_value_if_sensitive(name, unimportant_value)
+        print(actual)
+        if name in senstives:
+            assert actual == "***"
+        else:
+            assert actual == unimportant_value