def test_scroll_log(self):
min_val = 50
max_val = 51
for scroll_val in range(101):
assert utils.scroll_linear(scroll_val, min_val, max_val) == \
pytest.approx(10 ** (scroll_val * (np.log10(max_val) - np.log10(min_val)) / 100 + np.log10(min_val)),
rel=1e-4)
def update_spinbox(self, val):
"""
val is a percentage [0-100] used in order to set the spinbox value between its min and max
"""
min_val = float(self.opts['bounds'][0])
max_val = float(self.opts['bounds'][1])
if self.subtype == 'log':
val_out = scroll_log(val, min_val, max_val)
else:
val_out = scroll_linear(val, min_val, max_val)
try:
self.slider.valueChanged.disconnect(self.update_spinbox)
self.spinbox.valueChanged.disconnect(self.update_slide)
except Exception:
pass
self.spinbox.setValue(val_out)
self.slider.valueChanged.connect(self.update_spinbox)
self.spinbox.valueChanged.connect(self.update_slide)
def test_scroll_linear(self):
min_val = 50
max_val = 51
for scroll_val in range(101):
assert utils.scroll_linear(scroll_val, min_val, max_val) == \
pytest.approx(scroll_val * (max_val - min_val) / 100 + min_val)