Files
superqt/tests/zz_test_sliders/test_single_value_sliders.py

261 lines
8.4 KiB
Python

import math
import platform
from contextlib import suppress
import pytest
from qtpy.QtCore import QEvent, QPoint, QPointF, Qt
from qtpy.QtWidgets import QSlider, QStyle, QStyleOptionSlider
from superqt import QDoubleSlider, QLabeledDoubleSlider, QLabeledSlider
from superqt.sliders._generic_slider import _GenericSlider
from ._testutil import (
QT_VERSION,
_hover_event,
_linspace,
_mouse_event,
_wheel_event,
skip_on_linux_qt6,
)
@pytest.fixture(
params=[Qt.Orientation.Horizontal, Qt.Orientation.Vertical],
ids=["horizontal", "vertical"],
)
def orientation(request):
return request.param
START_MI_MAX_VAL = (0, 99, 0)
TEST_SLIDERS = [QDoubleSlider, QLabeledSlider, QLabeledDoubleSlider]
def _assert_value_in_range(sld):
val = sld.value()
if isinstance(val, (int, float)):
val = (val,)
assert all(sld.minimum() <= v <= sld.maximum() for v in val)
@pytest.fixture(params=TEST_SLIDERS)
def sld(request, qtbot, orientation):
Cls = request.param
slider = Cls(orientation)
slider.setRange(*START_MI_MAX_VAL[:2])
slider.setValue(START_MI_MAX_VAL[2])
qtbot.addWidget(slider)
assert (slider.minimum(), slider.maximum(), slider.value()) == START_MI_MAX_VAL
_assert_value_in_range(slider)
yield slider
_assert_value_in_range(slider)
with suppress(AttributeError):
slider.initStyleOption(QStyleOptionSlider())
def called_with(*expected_result):
"""Use in check_params_cbs to assert that a callback is called as expected.
e.g. `called_with(20, 50)` returns a callback that checks that the callback
is called with the arguments (20, 50)
"""
def check_emitted_values(*values):
return values == expected_result
return check_emitted_values
def test_change_floatslider_range(sld: _GenericSlider, qtbot):
BOTH = [sld.rangeChanged, sld.valueChanged]
for signals, checks, funcname, args in [
(BOTH, [called_with(10, 99), called_with(10)], "setMinimum", (10,)),
([sld.rangeChanged], [called_with(10, 90)], "setMaximum", (90,)),
(BOTH, [called_with(20, 40), called_with(20)], "setRange", (20, 40)),
([sld.valueChanged], [called_with(30)], "setValue", (30,)),
(BOTH, [called_with(20, 25), called_with(25)], "setMaximum", (25,)),
([sld.valueChanged], [called_with(23)], "setValue", (23,)),
]:
with qtbot.waitSignals(signals, check_params_cbs=checks, timeout=500):
getattr(sld, funcname)(*args)
_assert_value_in_range(sld)
def test_float_values(sld: _GenericSlider, qtbot):
if type(sld) is QLabeledSlider:
pytest.skip()
for signals, checks, funcname, args in [
(sld.rangeChanged, called_with(0.1, 0.9), "setRange", (0.1, 0.9)),
(sld.valueChanged, called_with(0.4), "setValue", (0.4,)),
(sld.valueChanged, called_with(0.1), "setValue", (0,)),
(sld.valueChanged, called_with(0.9), "setValue", (1.9,)),
]:
with qtbot.waitSignal(signals, check_params_cb=checks, timeout=400):
getattr(sld, funcname)(*args)
_assert_value_in_range(sld)
def test_ticks(sld: _GenericSlider, qtbot):
sld.setTickInterval(3)
assert sld.tickInterval() == 3
sld.setTickPosition(QSlider.TickPosition.TicksAbove)
sld.show()
@pytest.mark.skipif(platform.system() != "Darwin", reason="cross-platform is tricky")
def test_press_move_release(sld: _GenericSlider, qtbot):
if hasattr(sld, "_slider") and sld._slider.orientation() == Qt.Orientation.Vertical:
pytest.xfail("test failing for vertical at the moment")
# this fail on vertical came with pyside6.2 ... need to debug
# still works in practice, but test fails to catch signals
if sld.orientation() == Qt.Orientation.Vertical:
pytest.xfail()
_real_sld = getattr(sld, "_slider", sld)
with suppress(AttributeError): # for QSlider
assert _real_sld._pressedControl == QStyle.SubControl.SC_None
opt = QStyleOptionSlider()
_real_sld.initStyleOption(opt)
style = _real_sld.style()
hrect = style.subControlRect(
QStyle.ComplexControl.CC_Slider, opt, QStyle.SubControl.SC_SliderHandle
)
handle_pos = _real_sld.mapToGlobal(hrect.center())
with qtbot.waitSignal(_real_sld.sliderPressed, timeout=300):
qtbot.mousePress(_real_sld, Qt.MouseButton.LeftButton, pos=handle_pos)
with suppress(AttributeError):
assert sld._pressedControl == QStyle.SubControl.SC_SliderHandle
with qtbot.waitSignals(
[_real_sld.sliderMoved, _real_sld.valueChanged], timeout=300
):
shift = (
QPoint(0, -8)
if _real_sld.orientation() == Qt.Orientation.Vertical
else QPoint(8, 0)
)
_real_sld.mouseMoveEvent(_mouse_event(handle_pos + shift))
with qtbot.waitSignal(_real_sld.sliderReleased, timeout=300):
qtbot.mouseRelease(_real_sld, Qt.MouseButton.LeftButton, pos=handle_pos)
with suppress(AttributeError):
assert _real_sld._pressedControl == QStyle.SubControl.SC_None
sld.show()
with qtbot.waitSignal(_real_sld.sliderPressed, timeout=300):
qtbot.mousePress(_real_sld, Qt.MouseButton.LeftButton, pos=handle_pos)
@skip_on_linux_qt6
def test_hover(sld: _GenericSlider):
_real_sld = getattr(sld, "_slider", sld)
opt = QStyleOptionSlider()
_real_sld.initStyleOption(opt)
hrect = _real_sld.style().subControlRect(
QStyle.ComplexControl.CC_Slider, opt, QStyle.SubControl.SC_SliderHandle
)
handle_pos = QPointF(sld.mapToGlobal(hrect.center()))
with suppress(AttributeError): # for QSlider
assert _real_sld._hoverControl == QStyle.SubControl.SC_None
_real_sld.event(_hover_event(QEvent.Type.HoverEnter, handle_pos, QPointF(), sld))
with suppress(AttributeError): # for QSlider
assert _real_sld._hoverControl == QStyle.SubControl.SC_SliderHandle
_real_sld.event(
_hover_event(QEvent.Type.HoverLeave, QPointF(-1000, -1000), handle_pos, sld)
)
with suppress(AttributeError): # for QSlider
assert _real_sld._hoverControl == QStyle.SubControl.SC_None
def test_wheel(sld: _GenericSlider, qtbot):
if type(sld) is QLabeledSlider and QT_VERSION < (5, 12):
pytest.skip()
_real_sld = getattr(sld, "_slider", sld)
with qtbot.waitSignal(sld.valueChanged, timeout=400):
_real_sld.wheelEvent(_wheel_event(120))
_real_sld.wheelEvent(_wheel_event(0))
def test_position(sld: _GenericSlider, qtbot):
sld.setSliderPosition(21)
assert sld.sliderPosition() == 21
if type(sld) is not QLabeledSlider:
sld.setSliderPosition(21.5)
assert sld.sliderPosition() == 21.5
def test_steps(sld: _GenericSlider, qtbot):
sld.setSingleStep(11)
assert sld.singleStep() == 11
sld.setPageStep(16)
assert sld.pageStep() == 16
if type(sld) is not QLabeledSlider:
sld.setSingleStep(0.1)
assert sld.singleStep() == 0.1
sld.setSingleStep(1.5e20)
assert sld.singleStep() == 1.5e20
sld.setPageStep(0.2)
assert sld.pageStep() == 0.2
sld.setPageStep(1.5e30)
assert sld.pageStep() == 1.5e30
@pytest.mark.parametrize("mag", list(range(4, 37, 4)) + list(range(-4, -37, -4)))
def test_slider_extremes(sld: _GenericSlider, mag, qtbot):
if type(sld) is QLabeledSlider:
pytest.skip()
_mag = 10**mag
with qtbot.waitSignal(sld.rangeChanged, timeout=400):
sld.setRange(-_mag, _mag)
for i in _linspace(-_mag, _mag, 10):
sld.setValue(i)
assert math.isclose(sld.value(), i, rel_tol=1e-8)
def test_slider_with_equal_min_max(sld: _GenericSlider, qtbot):
"""Test that slider works when min == max (issue #307).
Previously, this would raise a TypeError: 'float' object cannot be
interpreted as an integer when calling show() because _to_qinteger_space
returned a float instead of an int when range was 0.
"""
# Test with min=max=99 (the specific case from issue #307)
with qtbot.waitSignal(sld.rangeChanged, timeout=400):
sld.setMinimum(99)
# This should not raise a TypeError
sld.show()
# Verify the slider state
assert sld.minimum() == 99
assert sld.maximum() == 99
assert sld.value() == 99
# Test that we can also set max first
with qtbot.waitSignal(sld.rangeChanged, timeout=400):
sld.setMaximum(0)
sld.show()
assert sld.minimum() == 0
assert sld.maximum() == 0
assert sld.value() == 0