diff --git a/BOARD.txt b/BOARD.txt
index 8f603e9..af57e48 100644
--- a/BOARD.txt
+++ b/BOARD.txt
@@ -1,6 +1,5 @@
 TODO                                    
 ----------------------------------------
-more UT
 setup.py
 make client cert gen configurable
 
diff --git a/bebop/tests/test_mime.py b/bebop/tests/test_mime.py
new file mode 100644
index 0000000..54743b6
--- /dev/null
+++ b/bebop/tests/test_mime.py
@@ -0,0 +1,29 @@
+import unittest
+
+from ..mime import MimeType, DEFAULT_CHARSET, DEFAULT_MIME_TYPE
+
+
+class TestMime(unittest.TestCase):
+
+    def test_from_str(self):
+        self.assertIsNone(MimeType.from_str(""))
+        self.assertIsNone(MimeType.from_str("dumb"))
+        self.assertIsNone(MimeType.from_str("dumb;dumber"))
+        self.assertIsNone(MimeType.from_str("123456"))
+
+        mime = MimeType.from_str("a/b")
+        self.assertEqual(mime.main_type, "a")
+        self.assertEqual(mime.sub_type, "b")
+        self.assertEqual(mime.parameters, {})
+
+        mime = MimeType.from_str("text/gemini")
+        self.assertEqual(mime.main_type, "text")
+        self.assertEqual(mime.sub_type, "gemini")
+        self.assertEqual(mime.parameters, {})
+
+        mime = MimeType.from_str("text/gemini;lang=en")
+        self.assertEqual(mime.main_type, "text")
+        self.assertEqual(mime.sub_type, "gemini")
+        self.assertEqual(mime.parameters, {"lang": "en"})
+        mime = MimeType.from_str("text/gemini ;lang=en")
+        self.assertEqual(mime.parameters, {"lang": "en"})