diff --git a/tests/list/mirrorSites.json b/tests/list/mirrorSites.json
new file mode 100644
index 0000000..db3acb2
--- /dev/null
+++ b/tests/list/mirrorSites.json
@@ -0,0 +1,43 @@
+{
+    "sites": [
+       {
+            "available_alternatives": [
+                {
+                    "created_at": "2022-03-09 12:47:07.719556",
+                    "proto": "tor",
+                    "type": "eotk",
+                    "updated_at": "2022-03-09 12:47:07.719557",
+                    "url": "https://www.bbcnewsd73hkzno2ini43t4gblxvycyac5aw4gnv7t2rccijh7745uqd.onion"
+                }
+            ],
+            "main_domain": "bbc.co.uk"
+        },
+        {
+            "available_alternatives": [
+                {
+                    "created_at": "2022-03-09 12:47:07.858737",
+                    "proto": "https",
+                    "type": "mirror",
+                    "updated_at": "2022-03-09 12:47:07.858738",
+                    "url": "https://d2d0cl8vuawvuv.cloudfront.net"
+                },
+                {
+                    "created_at": "2022-03-09 21:32:30.861795",
+                    "proto": "https",
+                    "type": "mirror",
+                    "updated_at": "2022-03-09 21:32:58.643504",
+                    "url": "https://dxd59zfzkaqol.cloudfront.net"
+                },
+                {
+                    "created_at": "2022-03-09 21:35:21.639404",
+                    "proto": "https",
+                    "type": "mirror",
+                    "updated_at": "2022-03-09 21:35:31.996308",
+                    "url": "https://d12b5t7zh1bhpp.cloudfront.net"
+                }
+            ],
+            "main_domain": "guardianproject.info"
+        }
+    ],
+    "version": "2.0"
+}
\ No newline at end of file
diff --git a/tests/list/test_obfuscating_encoder.py b/tests/list/test_obfuscating_encoder.py
new file mode 100644
index 0000000..cf753bf
--- /dev/null
+++ b/tests/list/test_obfuscating_encoder.py
@@ -0,0 +1,47 @@
+import json
+
+from nose.tools import assert_equal, assert_not_in
+
+from app.terraform.list import obfuscator
+
+
+def test_obfuscating_string():
+    data = "hello"
+    obfs = obfuscator(data)
+    print(f"Obfuscated string: {obfs}")
+    j = json.dumps(obfs).replace("!AAA!", "\\u")
+    loaded = json.loads(j)
+    assert_equal(data, loaded)
+
+
+def test_obfuscating_simple_dict():
+    data = {"hello": "world"}
+    obfs = obfuscator(data)
+    print(f"Obfuscated string: {obfs}")
+    j = json.dumps(obfs).replace("!AAA!", "\\u")
+    assert_not_in("hello", obfs)
+    assert_not_in("world", obfs)
+    loaded = json.loads(j)
+    assert_equal(data, loaded)
+
+
+def test_obfuscating_simple_list():
+    data = ["hello", "world"]
+    obfs = obfuscator(data)
+    print(f"Obfuscated string: {obfs}")
+    j = json.dumps(obfs).replace("!AAA!", "\\u")
+    assert_not_in("hello", obfs)
+    assert_not_in("world", obfs)
+    loaded = json.loads(j)
+    assert_equal(data, loaded)
+
+
+def test_obfuscating_for_real():
+    data = json.load(open("tests/list/mirrorSites.json"))
+    obfs = obfuscator(data)
+    j = json.dumps(obfs).replace("!AAA!", "\\u")
+    print(f"Obfuscated string: {obfs}")
+    for a in range(17, 27):
+        assert_not_in(chr(a), j)
+    loaded = json.loads(j)
+    assert_equal(data, loaded)