Move wait signal implementations to a separate file

With this, we can inherit from qt_api.QtCore.QObject without needing to entirely
avoid importing wait_signal.py at initial import time.

Author: The-Compiler

src/pytestqt/qtbot.py

@@ -9,12 +9,7 @@
     CallbackCalledTwiceError,
 )
 from pytestqt.qt_compat import qt_api
-from pytestqt.wait_signal import (
-    SignalBlocker,
-    MultiSignalBlocker,
-    SignalEmittedSpy,
-    CallbackBlocker,
-)
+from pytestqt import wait_signal
 
 
 def _parse_ini_boolean(value):
@@ -353,7 +348,7 @@ def waitSignal(self, signal, *, timeout=5000, raising=None, check_params_cb=None
                 f"Passing None as signal isn't supported anymore, use qtbot.wait({timeout}) instead."
             )
         raising = self._should_raise(raising)
-        blocker = SignalBlocker(
+        blocker = wait_signal.SignalBlocker(
             timeout=timeout, raising=raising, check_params_cb=check_params_cb
         )
         blocker.connect(signal)
@@ -440,7 +435,7 @@ def waitSignals(
                         len(check_params_cbs), len(signals)
                     )
                 )
-        blocker = MultiSignalBlocker(
+        blocker = wait_signal.MultiSignalBlocker(
             timeout=timeout,
             raising=raising,
             order=order,
@@ -458,7 +453,7 @@ def wait(self, ms):
         While waiting, events will be processed and your test will stay
         responsive to user interface events or network communication.
         """
-        blocker = MultiSignalBlocker(timeout=ms, raising=False)
+        blocker = wait_signal.MultiSignalBlocker(timeout=ms, raising=False)
         blocker.wait()
 
     @contextlib.contextmanager
@@ -478,7 +473,7 @@ def assertNotEmitted(self, signal, *, wait=0):
         .. note:: This method is also available as ``assert_not_emitted``
                   (pep-8 alias)
         """
-        spy = SignalEmittedSpy(signal)
+        spy = wait_signal.SignalEmittedSpy(signal)
         with spy, self.waitSignal(signal, timeout=wait, raising=False):
             yield
         spy.assert_not_emitted()
@@ -592,7 +587,7 @@ def waitCallback(self, *, timeout=5000, raising=None):
         .. note:: This method is also available as ``wait_callback`` (pep-8 alias)
         """
         raising = self._should_raise(raising)
-        blocker = CallbackBlocker(timeout=timeout, raising=raising)
+        blocker = wait_signal.CallbackBlocker(timeout=timeout, raising=raising)
         return blocker
 
     @contextlib.contextmanager

src/pytestqt/utils.py

@@ -1,3 +1,7 @@
+import dataclasses
+from typing import Any
+
+
 def get_marker(item, name):
     """Get a marker from a pytest item.
 
@@ -9,3 +13,19 @@ def get_marker(item, name):
     except AttributeError:
         # pytest < 3.6
         return item.get_marker(name)
+
+
+@dataclasses.dataclass
+class SignalAndArgs:
+    signal_name: str
+    args: list[Any]
+
+    def __str__(self) -> str:
+        args = repr(self.args) if self.args else ""
+
+        # remove signal parameter signature, e.g. turn "some_signal(str,int)" to "some_signal", because we're adding
+        # the actual parameters anyways
+        signal_name = self.signal_name
+        signal_name = signal_name.partition("(")[0]
+
+        return signal_name + args