hashers: add tests

authentic2/tests.py

@@ -0,0 +1,10 @@
+import hashers
+from django.test import TestCase
+
+class HashersTests(TestCase):
+    def test_sha256_hasher(self):
+        hasher = hashers.SHA256PasswordHasher()
+        hashed = hasher.encode('admin', '')
+        assert hasher.verify('admin', hashed)
+        assert hashed == 'sha256$$8c6976e5b5410415bde908bd4dee15dfb167a9c873fc4bb8a81f6f2ab448a918'
+