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# Functional test: tests of IO operations with the IntensityData object
import unittest, numpy
import bornagain as ba
from bornagain.numpyutil import Arrayf64Converter as dac
class IOTest(unittest.TestCase):
"""
Test serialization of IntensityData
"""
def setUp(self):
self.arr = numpy.array([[0, 1, 2.], [3, 4, 5.]])
numpy.savetxt('intensitydata.txt', self.arr)
self.dat = ba.readData2D("intensitydata.txt")
def test_1(self):
print()
print("Test: numpy array -> text file -> datafield -> npArray")
print("input array: ", self.arr)
print("read back as datafield: ", self.dat.flatVector())
arr1 = dac.asNpArray(self.dat.dataArray())
print("exported to NumPy ", arr1, flush=True)
self.assertTrue(numpy.array_equal(arr1, self.arr))
def test_2(self):
print()
print("Test: numpy array -> text file -> datafield -> flatVector -> numpy.array")
print("input array: ", self.arr)
print("read back as datafield: ", self.dat.flatVector())
arr2 = numpy.array(self.dat.flatVector())
arr2.shape = self.arr.shape
print("converted to NumPy ", arr2, flush=True)
self.assertTrue(numpy.array_equal(arr2, self.arr))
if __name__ == '__main__':
unittest.main()
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