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Handle an immediate callback in CallbackChecker

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This commit is contained in:
Florian Bruhin 2016-08-17 16:49:46 +02:00
parent 359d4dd427
commit 7dadc28eb7
1 changed files with 7 additions and 3 deletions
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10
tests/helpers/fixtures.py
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@ -77,20 +77,24 @@ class CallbackChecker(QObject):
"""Check if a value provided by a callback is the expected one.""" """Check if a value provided by a callback is the expected one."""
got_result = pyqtSignal(object) got_result = pyqtSignal(object)
UNSET = object()
def __init__(self, qtbot, parent=None): def __init__(self, qtbot, parent=None):
super().__init__(parent) super().__init__(parent)
self._qtbot = qtbot self._qtbot = qtbot
self._result = self.UNSET
def callback(self, result): def callback(self, result):
"""Callback which can be passed to runJavaScript.""" """Callback which can be passed to runJavaScript."""
self._result = result
self.got_result.emit(result) self.got_result.emit(result)
def check(self, expected): def check(self, expected):
"""Wait until the JS result arrived and compare it.""" """Wait until the JS result arrived and compare it."""
with self._qtbot.waitSignal(self.got_result) as blocker: if self._result is self.UNSET:
pass with self._qtbot.waitSignal(self.got_result):
assert blocker.args == [expected] pass
assert self._result == expected
@pytest.fixture @pytest.fixture