dataclasses: Initial switch

See #6023

3 files changed, 22 insertions, 21 deletions

diff --git a/tests/helpers/fixtures.py b/tests/helpers/fixtures.py
index b814a6ea7..c62c9960b 100644
--- a/tests/helpers/fixtures.py
+++ b/tests/helpers/fixtures.py
@@ -34,7 +34,7 @@ import types
 import mimetypes
 import os.path
 
-import attr
+import dataclasses
 import pytest
 import py.path  # pylint: disable=no-name-in-module
 from PyQt5.QtCore import QSize, Qt
@@ -87,12 +87,12 @@ class WinRegistryHelper:
 
     """Helper class for win_registry."""
 
-    @attr.s
+    @dataclasses.dataclass
     class FakeWindow:
 
         """A fake window object for the registry."""
 
-        registry = attr.ib()
+        registry: objreg.ObjectRegistry
 
         def windowTitle(self):
             return 'window title - qutebrowser'
@@ -276,11 +276,11 @@ def web_tab(request):
 
 def _generate_cmdline_tests():
     """Generate testcases for test_split_binding."""
-    @attr.s
+    @dataclasses.dataclass
     class TestCase:
 
-        cmd = attr.ib()
-        valid = attr.ib()
+        cmd: str
+        valid: bool
 
     separators = [';;', ' ;; ', ';; ', ' ;;']
     invalid = ['foo', '']
diff --git a/tests/helpers/messagemock.py b/tests/helpers/messagemock.py
index 03320a98f..72f170408 100644
--- a/tests/helpers/messagemock.py
+++ b/tests/helpers/messagemock.py
@@ -21,19 +21,19 @@
 
 import logging
 
-import attr
+import dataclasses
 import pytest
 
 from qutebrowser.utils import usertypes, message
 
 
-@attr.s
+@dataclasses.dataclass
 class Message:
 
     """Information about a shown message."""
 
-    level = attr.ib()
-    text = attr.ib()
+    level: usertypes.MessageLevel
+    text: str
 
 
 class MessageMock:
diff --git a/tests/helpers/stubs.py b/tests/helpers/stubs.py
index 997f160ce..0e4dd3b92 100644
--- a/tests/helpers/stubs.py
+++ b/tests/helpers/stubs.py
@@ -21,11 +21,12 @@
 
 """Fake objects/stubs."""
 
+from typing import Any, Callable, Tuple
 from unittest import mock
 import contextlib
 import shutil
+import dataclasses
 
-import attr
 from PyQt5.QtCore import pyqtSignal, QPoint, QProcess, QObject, QUrl
 from PyQt5.QtGui import QIcon
 from PyQt5.QtNetwork import (QNetworkRequest, QAbstractNetworkCache,
@@ -324,20 +325,20 @@ class FakeSignal:
         """
 
 
-@attr.s(frozen=True)
+@dataclasses.dataclass(frozen=True)
 class FakeCommand:
 
     """A simple command stub which has a description."""
 
-    name = attr.ib('')
-    desc = attr.ib('')
-    hide = attr.ib(False)
-    debug = attr.ib(False)
-    deprecated = attr.ib(False)
-    completion = attr.ib(None)
-    maxsplit = attr.ib(None)
-    takes_count = attr.ib(lambda: False)
-    modes = attr.ib((usertypes.KeyMode.normal, ))
+    name: str = ''
+    desc: str = ''
+    hide: bool = False
+    debug: bool = False
+    deprecated: bool = False
+    completion: Any = None
+    maxsplit: int = None
+    takes_count: Callable[[], bool] = lambda: False
+    modes: Tuple[usertypes.KeyMode] = (usertypes.KeyMode.normal, )
 
 
 class FakeTimer(QObject):