Use a guaranteed invalid email in sanitize_email

TLD `.invalid` is quaranteed to be invalid by IETF RFC2606 hence it is safer than earlier `sanitized.net`, that could, in theory, have e.g. a working mail server.

Author: JsseL

database_sanitizer/sanitizers/user.py

@@ -12,7 +12,7 @@ def sanitize_email(value):
     given_name = given_names[num1 % given_names_count]
     surname = surnames[num2 % surnames_count]
     case_convert = (text_type.lower if num3 % 8 > 0 else lambda x: x)
-    return '{first}.{last}@x{num:x}.sanitized.net'.format(
+    return '{first}.{last}@x{num:x}.san.example.com'.format(
         first=case_convert(given_name),
         last=case_convert(surname).replace("'", ''),
         num=num3)

database_sanitizer/tests/test_sanitizers_user.py

@@ -9,16 +9,16 @@ def setup_module():
 def test_sanitize_email():
     assert user.sanitize_email(None) is None
     assert user.sanitize_email('') == ''
-    assert user.sanitize_email('test@example.com') == (
-        'zoe.burke@xce13103b.sanitized.net')
-    assert user.sanitize_email('test2@example.com') == (
-        'Melanie.Pratt@x4feb7f40.sanitized.net')
-    assert user.sanitize_email('test@example.com') == (
-        'zoe.burke@xce13103b.sanitized.net')
-    assert user.sanitize_email('test3@example.com') == (
-        'irene.archer@x3d2e92ec.sanitized.net')
-    assert user.sanitize_email(' test3@example.com  ') == (
-        'irene.archer@x3d2e92ec.sanitized.net')
+    assert user.sanitize_email('test<@example.net') == (
+        'zoe.burke@xce13103b.san.example.com')
+    assert user.sanitize_email('test2@example.net') == (
+        'Melanie.Pratt@x4feb7f40.san.example.com')
+    assert user.sanitize_email('test@example.net') == (
+        'zoe.burke@xce13103b.san.example.com')
+    assert user.sanitize_email('test3@example.net') == (
+        'irene.archer@x3d2e92ec.san.example.com')
+    assert user.sanitize_email(' test3@example.net  ') == (
+        'irene.archer@x3d2e92ec.san.example.com')
 
 
 def test_sanitize_username():
@@ -59,9 +59,9 @@ def test_sanitize_surname_en_gb():
 
 
 def test_sanitize_email_resets_on_session_reset():
-    assert user.sanitize_email('test@example.com') == (
-        'zoe.burke@xce13103b.sanitized.net')
+    assert user.sanitize_email('test@example.net') == (
+        'zoe.burke@xce13103b.san.example.com')
     session.reset()
-    assert user.sanitize_email('test@example.com') != (
-        'zoe.burke@xce13103b.sanitized.net')
+    assert user.sanitize_email('test@example.net') != (
+        'zoe.burke@xce13103b.san.example.com')
     session.reset(b'not-so-secret-key')