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test_simplelayerdescriptor.py
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import unittest
import pathlib
import xmlrunner
from bagPy import *
import bagMetadataSamples, testUtils
# define constants used in multiple tests
datapath = str(pathlib.Path(__file__).parent.absolute()) + "/../examples/sample-data"
kExpectedChunkSize = 100
kExpectedCompressionLevel = 6
class TestSimpleLayerDescriptor(unittest.TestCase):
def testCreation(self):
tmpFile = testUtils.RandomFileGuard("name")
metadata = Metadata()
metadata.loadFromBuffer(bagMetadataSamples.kMetadataXML)
self.assertIsNotNone(metadata)
# Create the dataset.
dataset = Dataset.create(tmpFile.getName(), metadata,
kExpectedChunkSize, kExpectedCompressionLevel)
self.assertIsNotNone(dataset)
descriptor = SimpleLayerDescriptor.create(dataset, Elevation,
kExpectedChunkSize, kExpectedCompressionLevel)
self.assertIsNotNone(descriptor)
self.assertEqual(descriptor.getLayerType(), Elevation)
self.assertEqual(descriptor.getChunkSize(), kExpectedChunkSize)
self.assertEqual(descriptor.getCompressionLevel(), kExpectedCompressionLevel)
del dataset #ensure dataset is deleted before tmpFile
def testGetSetName(self):
tmpFile = testUtils.RandomFileGuard("name")
metadata = Metadata()
metadata.loadFromBuffer(bagMetadataSamples.kMetadataXML)
self.assertIsNotNone(metadata)
# Create the dataset.
dataset = Dataset.create(tmpFile.getName(), metadata,
kExpectedChunkSize, kExpectedCompressionLevel)
self.assertIsNotNone(dataset)
descriptor = SimpleLayerDescriptor.create(dataset, Elevation,
kExpectedChunkSize, kExpectedCompressionLevel)
self.assertIsNotNone(descriptor)
kExpectedName = "Expected Name"
descriptor.setName(kExpectedName)
self.assertEqual(descriptor.getName(), kExpectedName)
del dataset #ensure dataset is deleted before tmpFile
def testGetDataType(self):
tmpFile = testUtils.RandomFileGuard("name")
metadata = Metadata()
metadata.loadFromBuffer(bagMetadataSamples.kMetadataXML)
self.assertIsNotNone(metadata)
# Create the dataset.
dataset = Dataset.create(tmpFile.getName(), metadata,
kExpectedChunkSize, kExpectedCompressionLevel)
self.assertIsNotNone(dataset)
descriptor = SimpleLayerDescriptor.create(dataset, Elevation,
kExpectedChunkSize, kExpectedCompressionLevel)
self.assertIsNotNone(descriptor)
self.assertEqual(descriptor.getDataType(), Layer.getDataType(Elevation))
del dataset #ensure dataset is deleted before tmpFile
def testGetLayerType(self):
tmpFile = testUtils.RandomFileGuard("name")
metadata = Metadata()
metadata.loadFromBuffer(bagMetadataSamples.kMetadataXML)
self.assertIsNotNone(metadata)
# Create the dataset.
dataset = Dataset.create(tmpFile.getName(), metadata,
kExpectedChunkSize, kExpectedCompressionLevel)
self.assertIsNotNone(dataset)
descriptor = SimpleLayerDescriptor.create(dataset, Elevation,
kExpectedChunkSize, kExpectedCompressionLevel)
self.assertIsNotNone(descriptor)
self.assertEqual(descriptor.getLayerType(), Elevation)
descriptor = SimpleLayerDescriptor.create(dataset, Std_Dev,
kExpectedChunkSize, kExpectedCompressionLevel)
self.assertIsNotNone(descriptor)
self.assertEqual(descriptor.getDataType(), Layer.getDataType(Std_Dev))
del dataset #ensure dataset is deleted before tmpFile
def testGetSetMinMax(self):
tmpFile = testUtils.RandomFileGuard("name")
metadata = Metadata()
metadata.loadFromBuffer(bagMetadataSamples.kMetadataXML)
self.assertIsNotNone(metadata)
# Create the dataset.
dataset = Dataset.create(tmpFile.getName(), metadata,
kExpectedChunkSize, kExpectedCompressionLevel)
self.assertIsNotNone(dataset)
descriptor = SimpleLayerDescriptor.create(dataset, Elevation,
kExpectedChunkSize, kExpectedCompressionLevel)
self.assertIsNotNone(descriptor)
kExpectedMin = 1.2345
kExpectedMax = 9876.54321
descriptor.setMinMax(kExpectedMin, kExpectedMax)
actualMinMax = descriptor.getMinMax()
self.assertAlmostEqual(actualMinMax[0], kExpectedMin, places=3)
self.assertAlmostEqual(actualMinMax[1], kExpectedMax, places=3)
del dataset #ensure dataset is deleted before tmpFile
def testGetInternalPath(self):
tmpFile = testUtils.RandomFileGuard("name")
metadata = Metadata()
metadata.loadFromBuffer(bagMetadataSamples.kMetadataXML)
self.assertIsNotNone(metadata)
# Create the dataset.
dataset = Dataset.create(tmpFile.getName(), metadata,
kExpectedChunkSize, kExpectedCompressionLevel)
self.assertIsNotNone(dataset)
descriptor = SimpleLayerDescriptor.create(dataset, Elevation,
kExpectedChunkSize, kExpectedCompressionLevel)
self.assertIsNotNone(descriptor)
self.assertEqual(descriptor.getInternalPath(), Layer.getInternalPath(Elevation))
descriptor = SimpleLayerDescriptor.create(dataset, Uncertainty,
kExpectedChunkSize, kExpectedCompressionLevel)
self.assertIsNotNone(descriptor)
self.assertEqual(descriptor.getInternalPath(), Layer.getInternalPath(Uncertainty))
del dataset #ensure dataset is deleted before tmpFile
def testGetElementSize(self):
tmpFile = testUtils.RandomFileGuard("name")
metadata = Metadata()
metadata.loadFromBuffer(bagMetadataSamples.kMetadataXML)
self.assertIsNotNone(metadata)
# Create the dataset.
dataset = Dataset.create(tmpFile.getName(), metadata,
kExpectedChunkSize, kExpectedCompressionLevel)
self.assertIsNotNone(dataset)
descriptor = SimpleLayerDescriptor.create(dataset, Elevation,
kExpectedChunkSize, kExpectedCompressionLevel)
self.assertIsNotNone(descriptor)
self.assertEqual(descriptor.getElementSize(),
Layer.getElementSize(Layer.getDataType(Elevation)))
del dataset #ensure dataset is deleted before tmpFile
def testGetChunkSize(self):
tmpFile = testUtils.RandomFileGuard("name")
metadata = Metadata()
metadata.loadFromBuffer(bagMetadataSamples.kMetadataXML)
self.assertIsNotNone(metadata)
# Create the dataset.
dataset = Dataset.create(tmpFile.getName(), metadata,
kExpectedChunkSize, kExpectedCompressionLevel)
self.assertIsNotNone(dataset)
descriptor = SimpleLayerDescriptor.create(dataset, Elevation,
kExpectedChunkSize, kExpectedCompressionLevel)
self.assertIsNotNone(descriptor)
self.assertEqual(descriptor.getChunkSize(), kExpectedChunkSize)
del dataset #ensure dataset is deleted before tmpFile
def testGetCompressionLevel(self):
tmpFile = testUtils.RandomFileGuard("name")
metadata = Metadata()
metadata.loadFromBuffer(bagMetadataSamples.kMetadataXML)
self.assertIsNotNone(metadata)
# Create the dataset.
dataset = Dataset.create(tmpFile.getName(), metadata,
kExpectedChunkSize, kExpectedCompressionLevel)
self.assertIsNotNone(dataset)
descriptor = SimpleLayerDescriptor.create(dataset, Elevation,
kExpectedChunkSize, kExpectedCompressionLevel)
self.assertIsNotNone(descriptor)
self.assertEqual(descriptor.getCompressionLevel(), kExpectedCompressionLevel)
del dataset #ensure dataset is deleted before tmpFile
if __name__ == '__main__':
unittest.main(
testRunner=xmlrunner.XMLTestRunner(output='test-reports'),
failfast=False, buffer=False, catchbreak=False
)