def test_create_from_data(self):
data = np.random.random_sample((50, 49, 31))
test = PFData(data)
self.assertEqual(31, test.getNX())
self.assertEqual(49, test.getNY())
self.assertEqual(50, test.getNZ())
self.assertEqual(1, test.getP())
self.assertEqual(1, test.getQ())
self.assertEqual(1, test.getR())
self.assertEqual(0, test.getX())
self.assertEqual(0, test.getY())
self.assertEqual(0, test.getZ())
test.writeFile(('test_write_raw.pfb'))
test_read = PFData(('test_write_raw.pfb'))
test_read.loadHeader()
test_read.loadData()
self.assertEqual(0, test_read.getX())
self.assertEqual(0, test_read.getY())
self.assertEqual(0, test_read.getZ())
self.assertEqual(31, test_read.getNX())
self.assertEqual(49, test_read.getNY())
self.assertEqual(50, test_read.getNZ())
self.assertEqual(1, test_read.getP())
self.assertEqual(1, test_read.getQ())
self.assertEqual(1, test_read.getR())
test_data = test_read.getDataAsArray()
self.assertIsNone(
np.testing.assert_array_equal(data, test_data),
'Data written to array should exist in '
'written PFB file.')
del data
test.close()
test_read.close()
os.remove(('test_write_raw.pfb'))
def test_compare(self):
test1 = PFData(('press.init.pfb'))
test1.loadHeader()
test1.loadData()
test2 = PFData(('press.init.pfb'))
test2.loadHeader()
test2.loadData()
self.assertEqual(PFData.differenceType_none,
test1.compare(test2)[0],
"test1 and test2 are the same")
test1.setX(test1.getX() + 1.0)
self.assertEqual(PFData.differenceType_x,
test1.compare(test2)[0], "The x values differ")
test1.setX(test1.getX() - 1.0)
arr = test1.getDataAsArray()
arr[1][2][3] += 1.0
ret, zyx = test1.compare(test2)
self.assertEqual(PFData.differenceType_data, ret,
"The data values differ")
self.assertEqual((1, 2, 3), zyx,
"The differing data's coordinates are correct")
arr[1][2][3] -= 1.0
test1.close()
test2.close()
def test_good_filename(self):
test = PFData(('press.init.pfb'))
retval = test.loadHeader()
self.assertEqual(0, retval, 'should load header of file that exists')
self.assertEqual(41, test.getNX(),
'sample file should have 41 columns')
self.assertEqual(41, test.getNY(), 'sample file should have 41 rows')
self.assertEqual(50, test.getNZ(),
'sample file should have 50 z-layers')
self.assertEqual(0, test.getX(), 'sample file starts at X=0')
self.assertEqual(0, test.getY(), 'sample file starts at Y=0')
self.assertEqual(0, test.getZ(), 'sample file starts at Z=0')
self.assertEqual(16, test.getNumSubgrids(),
'sample file should have 16 subgrids')
test.close()