add ssl test and fix SASL Authentication

micropg.py

@@ -425,7 +425,7 @@ def _process_messages(self, obj):
                     data = self._read(ln)
                     assert _bytes_to_bint(data[:4]) == 0
                 elif auth_method == 10:   # SASL
-                    assert data[4:-2].decode('utf-8') == 'SCRAM-SHA-256'
+                    assert b'SCRAM-SHA-256\x00\x00' in data
                     printable = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789+/'
                     # len(printable) == 2**6
                     client_nonce = ''.join(printable[random.getrandbits(6)] for i in range(24))

test_micropg.py

@@ -44,12 +44,11 @@
 
 
 # test ssl connection
-#
-# conn = micropg.connect(
-#     host='127.0.0.1', user='postgres', password='password', database='test_micropg', use_ssl=True
-# )
-# cur = conn.cursor()
-# cur.execute("SELECT id, name FROM test_micropg")
-# assert cur.fetchall() == [(1, "test"), (2, "test2")]
-#
-# conn.close()
+conn = micropg.connect(
+    host='127.0.0.1', user='postgres', password='password', database='test_micropg', use_ssl=True
+)
+cur = conn.cursor()
+cur.execute("SELECT id, name FROM test_micropg")
+assert cur.fetchall() == [(1, "test"), (2, "test2")]
+
+conn.close()