diff --git a/tests/string_generators.py b/tests/string_generators.py
new file mode 100644
index 0000000..a0c3bdb
--- /dev/null
+++ b/tests/string_generators.py
@@ -0,0 +1,18 @@
+from librefi.utils import get_user_agent, get_email_address
+import re
+
+
+def test_email_address():
+    email = get_email_address()
+    assert isinstance(email, str)
+    assert re.search(
+        # intentionally dumb and not covering a lot of actual emails
+        r"^[a-zA-Z\d](?:[a-zA-Z\d._-]*[a-zA-Z\d])?@[a-z-\d]+(?:\.[a-z-\d]+)+$",
+        email) is not None
+    pass
+
+
+def test_user_agent():
+    ua = get_user_agent()
+    assert isinstance(ua, str)
+    pass