def testOneBandRaster(self):
path = os.path.join(unitTestDataPath('raster'),
'band1_float32_noct_epsg4326.tif')
info = QFileInfo(path)
base_name = info.baseName()
layer = QgsRasterLayer(path, base_name)
self.assertTrue(layer)
combo = QgsRasterBandComboBox()
combo.setLayer(layer)
self.assertEqual(combo.layer(), layer)
self.assertEqual(combo.currentBand(), 1)
self.assertEqual(combo.count(), 1)
combo.setShowNotSetOption(True)
self.assertEqual(combo.currentBand(), 1)
self.assertEqual(combo.count(), 2)
combo.setBand(-1)
self.assertEqual(combo.currentBand(), -1)
combo.setBand(1)
self.assertEqual(combo.currentBand(), 1)
combo.setShowNotSetOption(False)
self.assertEqual(combo.currentBand(), 1)
self.assertEqual(combo.count(), 1)
def testOneBandRaster(self):
path = os.path.join(unitTestDataPath('raster'),
'band1_float32_noct_epsg4326.tif')
info = QFileInfo(path)
base_name = info.baseName()
layer = QgsRasterLayer(path, base_name)
self.assertTrue(layer)
combo = QgsRasterBandComboBox()
combo.setLayer(layer)
self.assertEqual(combo.layer(), layer)
self.assertEqual(combo.currentBand(), 1)
self.assertEqual(combo.count(), 1)
combo.setShowNotSetOption(True)
self.assertEqual(combo.currentBand(), 1)
self.assertEqual(combo.count(), 2)
combo.setBand(-1)
self.assertEqual(combo.currentBand(), -1)
combo.setBand(1)
self.assertEqual(combo.currentBand(), 1)
combo.setShowNotSetOption(False)
self.assertEqual(combo.currentBand(), 1)
self.assertEqual(combo.count(), 1)
def testNoLayer(self):
"""
Test widget with no layer
"""
combo = QgsRasterBandComboBox()
self.assertFalse(combo.layer())
self.assertEqual(combo.currentBand(), -1)
combo.setShowNotSetOption(True)
self.assertEqual(combo.currentBand(), -1)
combo.setBand(11111)
self.assertEqual(combo.currentBand(), -1)
combo.setBand(-11111)
self.assertEqual(combo.currentBand(), -1)
def testNoLayer(self):
"""
Test widget with no layer
"""
combo = QgsRasterBandComboBox()
self.assertFalse(combo.layer())
self.assertEqual(combo.currentBand(), -1)
combo.setShowNotSetOption(True)
self.assertEqual(combo.currentBand(), -1)
combo.setBand(11111)
self.assertEqual(combo.currentBand(), -1)
combo.setBand(-11111)
self.assertEqual(combo.currentBand(), -1)