Fix cli copy_to_clipboard wrong passphrase

pysswords/cli.py

@@ -165,7 +165,11 @@ def copy_to_clipboard(self, fullname):
             )
         elif len(self.display) == 1:
             credential = self.display[0]
+            self.display = []
             passphrase = self.get_passphrase()
+            if passphrase is None:
+                return self.write("Wrong passphrase", error=True)
+
             password = self.database.gpg.decrypt(
                 credential.password,
                 passphrase=passphrase
@@ -175,7 +179,6 @@ def copy_to_clipboard(self, fullname):
                 asfullname(credential.name, credential.login)
             )
             self.write(cred_string)
-            self.display = []
         elif len(self.display) > 1:
             print("-- Multiple credentials were found: try fullname syntax"
                   "\nfor example: login@name")

tests/test.py

@@ -1006,6 +1006,17 @@ def test_get_passphrase_returns_good_passphrase(self, _):
         with patch("pysswords.cli.getpass", return_value=passphrase):
             self.assertEqual(interface.get_passphrase(), passphrase)
 
+    @timethis
+    def test_copy_to_clipboard_writes_error_when_bad_passphrase(self, _):
+        interface = pysswords.cli.CLI("some path", show_password=False)
+        interface.database.get.return_value = [some_credential()]
+        interface.get_passphrase = Mock(return_value=None)
+        interface.write = Mock()
+        interface.copy_to_clipboard("fullname")
+        interface.write.assert_called_once_with(
+            "Wrong passphrase",
+            error=True
+        )
 
 if __name__ == "__main__":
     if sys.version_info >= (3,):