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"""
Unit tests for the red2d (3-7-column) reader
"""
import warnings
import unittest
import os.path
from sasdata.dataloader.loader import Loader
warnings.simplefilter("ignore")
def find(filename):
return os.path.join(os.path.dirname(__file__), 'data', filename)
BASE_POINTS = 36864
BASE_LENGTH = 192
class DatReaderTests(unittest.TestCase):
def setUp(self):
self.loader = Loader()
self.data_list = self.loader.load(find("detector_square.dat"))
# Same data file, but first 15 rows of data removed
self.data_list_rectangle = self.loader.load(
find("detector_rectangular.DAT"))
def _check_common_data(self, f, removed):
self.assertEqual(len(f.qx_data),
BASE_POINTS - removed * BASE_LENGTH)
self.assertEqual(len(f.x_bins) + removed, len(f.y_bins))
self.assertEqual(len(f.x_bins), 192 - removed)
self.assertEqual(f.qx_data[len(f.qx_data) - 1], 0.2908819)
self.assertEqual(f.Q_unit, 'A^{-1}')
self.assertEqual(f.I_unit, 'cm^{-1}')
self.assertEqual(f.meta_data['loader'], "IGOR/DAT 2D Q_map")
def test_check_square_data(self):
"""
Test square detector data loaded by the .DAT reader
"""
f = self.data_list[0]
# The length of the data is 10
self.assertEqual(len(self.data_list), 1)
self.assertEqual(f.qx_data[0],-0.03573497)
self._check_common_data(f, 0)
def test_check_rectangular_data(self):
"""
Test rectangular detector data loaded by the .DAT reader
"""
f = self.data_list_rectangle[0]
self.assertEqual(len(self.data_list_rectangle), 1)
self.assertEqual(f.qx_data[0], -0.009160664)
self._check_common_data(f, 15)
if __name__ == '__main__':
unittest.main()
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