1 files changed, 86 insertions, 0 deletions
diff --git a/test/test_obfuscator.py b/test/test_obfuscator.py
new file mode 100644
index 0000000..c77b6b4
--- /dev/null
+++ b/test/test_obfuscator.py
@@ -0,0 +1,86 @@
+from obfuscator.obfuscate import obfuscate
+
+
+def test_obfuscate_data_with_valid_pii_fields():
+    data = [
+        {
+            "student_id": "1234",
+            "name": "John Smith",
+            "course": "Software",
+            "email_address": "j.smith@email.com",
+        },
+        {
+            "student_id": "5678",
+            "name": "Jane Doe",
+            "course": "Data Science",
+            "email_address": "j.doe@email.com",
+        },
+    ]
+    pii_fields = ["name", "email_address"]
+    expected = [
+        {
+            "student_id": "1234",
+            "name": "***",
+            "course": "Software",
+            "email_address": "***",
+        },
+        {
+            "student_id": "5678",
+            "name": "***",
+            "course": "Data Science",
+            "email_address": "***",
+        },
+    ]
+
+    result = obfuscate(data, pii_fields)
+    assert result == expected
+
+
+def test_obfuscate_data_with_missing_pii_field():
+    data = [
+        {"student_id": "1234", "name": "John Smith", "course": "Software"},
+        {
+            "student_id": "5678",
+            "name": "Jane Doe",
+            "course": "Data Science",
+            "email_address": "j.doe@email.com",
+        },
+    ]
+    pii_fields = ["name", "email_address"]
+    expected = [
+        {"student_id": "1234", "name": "***", "course": "Software"},
+        {
+            "student_id": "5678",
+            "name": "***",
+            "course": "Data Science",
+            "email_address": "***",
+        },
+    ]
+
+    result = obfuscate(data, pii_fields)
+    assert result == expected
+
+
+def test_obfuscate_data_with_no_data():
+    data = []
+    pii_fields = ["name", "email_address"]
+    expected = []
+
+    result = obfuscate(data, pii_fields)
+    assert result == expected
+
+
+def test_obfuscate_data_with_empty_pii_fields():
+    data = [
+        {
+            "student_id": "1234",
+            "name": "John Smith",
+            "course": "Software",
+            "email_address": "j.smith@email.com",
+        }
+    ]
+    pii_fields = []
+    expected = data.copy()
+
+    result = obfuscate(data, pii_fields)
+    assert result == expected