示例#1
0
    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)
示例#2
0
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())