| 1 | from sas.sascalc.file_converter.nxcansas_writer import NXcanSASWriter |
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| 2 | from sas.sascalc.dataloader.loader import Loader |
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| 3 | |
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| 4 | import os |
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| 5 | import unittest |
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| 6 | import warnings |
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| 7 | |
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| 8 | warnings.simplefilter("ignore") |
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| 9 | |
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| 10 | class nxcansas_writer(unittest.TestCase): |
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| 11 | |
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| 12 | def setUp(self): |
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| 13 | self.loader = Loader() |
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| 14 | self.writer = NXcanSASWriter() |
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| 15 | self.read_file_1d = "cansas1d.xml" |
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| 16 | self.write_file_1d = "export1d.h5" |
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| 17 | self.read_file_2d = "exp18_14_igor_2dqxqy.dat" |
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| 18 | self.write_file_2d = "export2d.h5" |
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| 19 | |
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| 20 | self.data_1d = self.loader.load(self.read_file_1d)[0] |
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| 21 | |
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| 22 | self.data_2d = self.loader.load(self.read_file_2d)[0] |
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| 23 | self.data_2d.detector[0].name = '' |
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| 24 | self.data_2d.source.radiation = 'neutron' |
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| 25 | |
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| 26 | def test_write_1d(self): |
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| 27 | self.writer.write([self.data_1d], self.write_file_1d) |
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| 28 | data = self.loader.load(self.write_file_1d) |
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| 29 | self.assertTrue(len(data) == 1) |
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| 30 | data = data[0] |
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| 31 | self.assertTrue(len(data.x) == len(self.data_1d.x)) |
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| 32 | self.assertTrue(len(data.y) == len(self.data_1d.y)) |
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| 33 | self.assertTrue(len(data.dy) == len(self.data_1d.dy)) |
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| 34 | self._check_metadata(data, self.data_1d) |
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| 35 | |
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| 36 | def test_write_2d(self): |
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| 37 | self.writer.write([self.data_2d], self.write_file_2d) |
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| 38 | data = self.loader.load(self.write_file_2d) |
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| 39 | self.assertTrue(len(data) == 1) |
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| 40 | data = data[0] |
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| 41 | self.assertTrue(len(data.data) == len(self.data_2d.data)) |
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| 42 | self.assertTrue(len(data.qx_data) == len(self.data_2d.qx_data)) |
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| 43 | self.assertTrue(len(data.qy_data) == len(self.data_2d.qy_data)) |
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| 44 | self._check_metadata(data, self.data_2d) |
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| 45 | |
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| 46 | def _check_metadata(self, written, correct): |
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| 47 | self.assertTrue(written.title == correct.title) |
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| 48 | self.assertTrue(written.sample.name == correct.sample.name) |
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| 49 | self.assertAlmostEqual(written.sample.thickness, correct.sample.thickness) |
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| 50 | self.assertAlmostEqual(written.sample.temperature, correct.sample.temperature) |
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| 51 | self.assertTrue(written.instrument == correct.instrument) |
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| 52 | self.assertTrue(len(written.detector) == len(correct.detector)) |
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| 53 | for i in range(len(written.detector)): |
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| 54 | written_det = written.detector[i] |
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| 55 | correct_det = correct.detector[i] |
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| 56 | self.assertAlmostEqual(written_det.distance, correct_det.distance) |
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| 57 | self.assertTrue(written_det.name == correct_det.name) |
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| 58 | self.assertTrue(written.source.radiation == correct.source.radiation) |
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| 59 | |
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| 60 | def tearDown(self): |
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| 61 | if os.path.isfile(self.write_file_1d): |
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| 62 | os.remove(self.write_file_1d) |
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| 63 | if os.path.isfile(self.write_file_2d): |
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| 64 | os.remove(self.write_file_2d) |
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