def testVMinVMax(self):
"""Test getter and setter associated to vmin and vmax values"""
vmin = 1.0
vmax = 2.0
colormapObject = Colormap(name='viridis',
vmin=vmin,
vmax=vmax,
normalization=Colormap.LINEAR)
with self.assertRaises(ValueError):
colormapObject.setVMin(3)
with self.assertRaises(ValueError):
colormapObject.setVMax(-2)
with self.assertRaises(ValueError):
colormapObject.setVRange(3, -2)
self.assertTrue(colormapObject.getColormapRange() == (1.0, 2.0))
self.assertTrue(colormapObject.isAutoscale() is False)
colormapObject.setVRange(None, None)
self.assertTrue(colormapObject.getVMin() is None)
self.assertTrue(colormapObject.getVMax() is None)
self.assertTrue(colormapObject.isAutoscale() is True)
def testGetDict(self):
"""Test the getDict function API"""
clmObject = Colormap(name='viridis',
normalization=Colormap.LINEAR,
vmin=self.vmin,
vmax=self.vmax)
clmDict = clmObject._toDict()
self.assertTrue(clmDict['name'] == 'viridis')
self.assertTrue(clmDict['autoscale'] is False)
self.assertTrue(clmDict['vmin'] == self.vmin)
self.assertTrue(clmDict['vmax'] == self.vmax)
self.assertTrue(clmDict['normalization'] == Colormap.LINEAR)
clmObject.setVRange(None, None)
self.assertTrue(clmObject._toDict()['autoscale'] is True)
def testEditableMode(self):
"""Make sure the colormap will raise NotEditableError when try to
change a colormap not editable"""
colormap = Colormap()
colormap.setEditable(False)
with self.assertRaises(NotEditableError):
colormap.setVRange(0., 1.)
with self.assertRaises(NotEditableError):
colormap.setVMin(1.)
with self.assertRaises(NotEditableError):
colormap.setVMax(1.)
with self.assertRaises(NotEditableError):
colormap.setNormalization(Colormap.LOGARITHM)
with self.assertRaises(NotEditableError):
colormap.setName('magma')
with self.assertRaises(NotEditableError):
colormap.setColormapLUT(numpy.array([0, 1]))
with self.assertRaises(NotEditableError):
colormap._setFromDict(colormap._toDict())
state = colormap.saveState()
with self.assertRaises(NotEditableError):
colormap.restoreState(state)
class TestColormapDialog(TestCaseQt, ParametricTestCase):
"""Test the ColormapDialog."""
def setUp(self):
TestCaseQt.setUp(self)
ParametricTestCase.setUp(self)
self.colormap = Colormap(name='gray',
vmin=10.0,
vmax=20.0,
normalization='linear')
self.colormapDiag = ColormapDialog.ColormapDialog()
self.colormapDiag.setAttribute(qt.Qt.WA_DeleteOnClose)
def tearDown(self):
del self.colormapDiag
ParametricTestCase.tearDown(self)
TestCaseQt.tearDown(self)
def testGUIEdition(self):
"""Make sure the colormap is correctly edited and also that the
modification are correctly updated if an other colormapdialog is
editing the same colormap"""
colormapDiag2 = ColormapDialog.ColormapDialog()
colormapDiag2.setColormap(self.colormap)
self.colormapDiag.setColormap(self.colormap)
self.colormapDiag._comboBoxColormap.setCurrentName('red')
self.colormapDiag._normButtonLog.setChecked(True)
self.assertTrue(self.colormap.getName() == 'red')
self.assertTrue(self.colormapDiag.getColormap().getName() == 'red')
self.assertTrue(self.colormap.getNormalization() == 'log')
self.assertTrue(self.colormap.getVMin() == 10)
self.assertTrue(self.colormap.getVMax() == 20)
# checked second colormap dialog
self.assertTrue(
colormapDiag2._comboBoxColormap.getCurrentName() == 'red')
self.assertTrue(colormapDiag2._normButtonLog.isChecked())
self.assertTrue(int(colormapDiag2._minValue.getValue()) == 10)
self.assertTrue(int(colormapDiag2._maxValue.getValue()) == 20)
colormapDiag2.close()
def testGUIModalOk(self):
"""Make sure the colormap is modified if gone through accept"""
assert self.colormap.isAutoscale() is False
self.colormapDiag.setModal(True)
self.colormapDiag.show()
self.colormapDiag.setColormap(self.colormap)
self.assertTrue(self.colormap.getVMin() is not None)
self.colormapDiag._minValue.setValue(None)
self.assertTrue(self.colormap.getVMin() is None)
self.colormapDiag._maxValue.setValue(None)
self.mouseClick(widget=self.colormapDiag._buttonsModal.button(
qt.QDialogButtonBox.Ok),
button=qt.Qt.LeftButton)
self.assertTrue(self.colormap.getVMin() is None)
self.assertTrue(self.colormap.getVMax() is None)
self.assertTrue(self.colormap.isAutoscale() is True)
def testGUIModalCancel(self):
"""Make sure the colormap is not modified if gone through reject"""
assert self.colormap.isAutoscale() is False
self.colormapDiag.setModal(True)
self.colormapDiag.show()
self.colormapDiag.setColormap(self.colormap)
self.assertTrue(self.colormap.getVMin() is not None)
self.colormapDiag._minValue.setValue(None)
self.assertTrue(self.colormap.getVMin() is None)
self.mouseClick(widget=self.colormapDiag._buttonsModal.button(
qt.QDialogButtonBox.Cancel),
button=qt.Qt.LeftButton)
self.assertTrue(self.colormap.getVMin() is not None)
def testGUIModalClose(self):
assert self.colormap.isAutoscale() is False
self.colormapDiag.setModal(False)
self.colormapDiag.show()
self.colormapDiag.setColormap(self.colormap)
self.assertTrue(self.colormap.getVMin() is not None)
self.colormapDiag._minValue.setValue(None)
self.assertTrue(self.colormap.getVMin() is None)
self.mouseClick(widget=self.colormapDiag._buttonsNonModal.button(
qt.QDialogButtonBox.Close),
button=qt.Qt.LeftButton)
self.assertTrue(self.colormap.getVMin() is None)
def testGUIModalReset(self):
assert self.colormap.isAutoscale() is False
self.colormapDiag.setModal(False)
self.colormapDiag.show()
self.colormapDiag.setColormap(self.colormap)
self.assertTrue(self.colormap.getVMin() is not None)
self.colormapDiag._minValue.setValue(None)
self.assertTrue(self.colormap.getVMin() is None)
self.mouseClick(widget=self.colormapDiag._buttonsNonModal.button(
qt.QDialogButtonBox.Reset),
button=qt.Qt.LeftButton)
self.assertTrue(self.colormap.getVMin() is not None)
self.colormapDiag.close()
def testGUIClose(self):
"""Make sure the colormap is modify if go through reject"""
assert self.colormap.isAutoscale() is False
self.colormapDiag.show()
self.colormapDiag.setColormap(self.colormap)
self.assertTrue(self.colormap.getVMin() is not None)
self.colormapDiag._minValue.setValue(None)
self.assertTrue(self.colormap.getVMin() is None)
self.colormapDiag.close()
self.assertTrue(self.colormap.getVMin() is None)
def testSetColormapIsCorrect(self):
"""Make sure the interface fir the colormap when set a new colormap"""
self.colormap.setName('red')
for norm in (Colormap.NORMALIZATIONS):
for autoscale in (True, False):
if autoscale is True:
self.colormap.setVRange(None, None)
else:
self.colormap.setVRange(11, 101)
self.colormap.setNormalization(norm)
with self.subTest(colormap=self.colormap):
self.colormapDiag.setColormap(self.colormap)
self.assertTrue(
self.colormapDiag._normButtonLinear.isChecked() == (
norm is Colormap.LINEAR))
self.assertTrue(self.colormapDiag._comboBoxColormap.
getCurrentName() == 'red')
self.assertTrue(self.colormapDiag._minValue.isAutoChecked(
) == autoscale)
self.assertTrue(self.colormapDiag._maxValue.isAutoChecked(
) == autoscale)
if autoscale is False:
self.assertTrue(
self.colormapDiag._minValue.getValue() == 11)
self.assertTrue(
self.colormapDiag._maxValue.getValue() == 101)
self.assertTrue(
self.colormapDiag._minValue.isEnabled())
self.assertTrue(
self.colormapDiag._maxValue.isEnabled())
else:
self.assertFalse(
self.colormapDiag._minValue._numVal.isEnabled())
self.assertFalse(
self.colormapDiag._maxValue._numVal.isEnabled())
def testColormapDel(self):
"""Check behavior if the colormap has been deleted outside. For now
we make sure the colormap is still running and nothing more"""
self.colormapDiag.setColormap(self.colormap)
self.colormapDiag.show()
del self.colormap
self.assertTrue(self.colormapDiag.getColormap() is None)
self.colormapDiag._comboBoxColormap.setCurrentName('blue')
def testColormapEditedOutside(self):
"""Make sure the GUI is still up to date if the colormap is modified
outside"""
self.colormapDiag.setColormap(self.colormap)
self.colormapDiag.show()
self.colormap.setName('red')
self.assertTrue(
self.colormapDiag._comboBoxColormap.getCurrentName() == 'red')
self.colormap.setNormalization(Colormap.LOGARITHM)
self.assertFalse(self.colormapDiag._normButtonLinear.isChecked())
self.colormap.setVRange(11, 201)
self.assertTrue(self.colormapDiag._minValue.getValue() == 11)
self.assertTrue(self.colormapDiag._maxValue.getValue() == 201)
self.assertTrue(self.colormapDiag._minValue._numVal.isEnabled())
self.assertTrue(self.colormapDiag._maxValue._numVal.isEnabled())
self.assertFalse(self.colormapDiag._minValue.isAutoChecked())
self.assertFalse(self.colormapDiag._maxValue.isAutoChecked())
self.colormap.setVRange(None, None)
self.assertFalse(self.colormapDiag._minValue._numVal.isEnabled())
self.assertFalse(self.colormapDiag._maxValue._numVal.isEnabled())
self.assertTrue(self.colormapDiag._minValue.isAutoChecked())
self.assertTrue(self.colormapDiag._maxValue.isAutoChecked())
def testSetColormapScenario(self):
"""Test of a simple scenario of a colormap dialog editing several
colormap"""
colormap1 = Colormap(name='gray',
vmin=10.0,
vmax=20.0,
normalization='linear')
colormap2 = Colormap(name='red',
vmin=10.0,
vmax=20.0,
normalization='log')
colormap3 = Colormap(name='blue',
vmin=None,
vmax=None,
normalization='linear')
self.colormapDiag.setColormap(self.colormap)
self.colormapDiag.setColormap(colormap1)
del colormap1
self.colormapDiag.setColormap(colormap2)
del colormap2
self.colormapDiag.setColormap(colormap3)
del colormap3
def testNotPreferredColormap(self):
"""Test that the colormapEditor is able to edit a colormap which is not
part of the 'prefered colormap'
"""
def getFirstNotPreferredColormap():
cms = Colormap.getSupportedColormaps()
preferred = preferredColormaps()
for cm in cms:
if cm not in preferred:
return cm
return None
colormapName = getFirstNotPreferredColormap()
assert colormapName is not None
colormap = Colormap(name=colormapName)
self.colormapDiag.setColormap(colormap)
self.colormapDiag.show()
cb = self.colormapDiag._comboBoxColormap
self.assertTrue(cb.getCurrentName() == colormapName)
cb.setCurrentIndex(0)
index = cb.findColormap(colormapName)
assert index is not 0 # if 0 then the rest of the test has no sense
cb.setCurrentIndex(index)
self.assertTrue(cb.getCurrentName() == colormapName)
def testColormapEditableMode(self):
"""Test that the colormapDialog is correctly updated when changing the
colormap editable status"""
colormap = Colormap(normalization='linear', vmin=1.0, vmax=10.0)
self.colormapDiag.setColormap(colormap)
for editable in (True, False):
with self.subTest(editable=editable):
colormap.setEditable(editable)
self.assertTrue(
self.colormapDiag._comboBoxColormap.isEnabled() is editable
)
self.assertTrue(
self.colormapDiag._minValue.isEnabled() is editable)
self.assertTrue(
self.colormapDiag._maxValue.isEnabled() is editable)
self.assertTrue(
self.colormapDiag._normButtonLinear.isEnabled() is editable
)
self.assertTrue(
self.colormapDiag._normButtonLog.isEnabled() is editable)
# Make sure the reset button is also set to enable when edition mode is
# False
self.colormapDiag.setModal(False)
colormap.setEditable(True)
self.colormapDiag._normButtonLog.setChecked(True)
resetButton = self.colormapDiag._buttonsNonModal.button(
qt.QDialogButtonBox.Reset)
self.assertTrue(resetButton.isEnabled())
colormap.setEditable(False)
self.assertFalse(resetButton.isEnabled())