[959eb01] | 1 | """ |
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| 2 | Unit tests for the ascii (n-column) reader |
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| 3 | """ |
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| 4 | import warnings |
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| 5 | warnings.simplefilter("ignore") |
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| 6 | |
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| 7 | import unittest |
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[b09095a] | 8 | from sas.sascalc.dataloader.loader import Loader |
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[959eb01] | 9 | |
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[b09095a] | 10 | |
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| 11 | class ABSReaderTests(unittest.TestCase): |
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[959eb01] | 12 | |
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| 13 | def setUp(self): |
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| 14 | self.loader = Loader() |
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[b09095a] | 15 | self.f1_list = self.loader.load("ascii_test_1.txt") |
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| 16 | self.f1 = self.f1_list[0] |
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| 17 | self.f2_list = self.loader.load("ascii_test_2.txt") |
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| 18 | self.f2 = self.f2_list[0] |
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| 19 | self.f3_list = self.loader.load("ascii_test_3.txt") |
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| 20 | self.f3 = self.f3_list[0] |
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| 21 | self.f4_list = self.loader.load("ascii_test_4.abs") |
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| 22 | self.f4 = self.f4_list[0] |
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| 23 | self.f5_list = self.loader.load("ascii_test_5.txt") |
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| 24 | self.f5 = self.f5_list[0] |
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[ad92c5a] | 25 | |
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[959eb01] | 26 | def test_checkdata(self): |
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| 27 | """ |
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| 28 | Test .ABS file loaded as ascii |
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| 29 | """ |
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| 30 | # The length of the data is 10 |
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[fe15198] | 31 | self.assertEqual(len(self.f1_list), 1) |
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| 32 | self.assertEqual(len(self.f2_list), 1) |
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| 33 | self.assertEqual(len(self.f3_list), 1) |
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| 34 | self.assertEqual(len(self.f4_list), 1) |
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| 35 | self.assertEqual(len(self.f5_list), 1) |
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[b09095a] | 36 | self.assertEqual(len(self.f1.x), 10) |
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| 37 | self.assertEqual(self.f1.x[0],0.002618) |
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| 38 | self.assertEqual(self.f1.x[9],0.0497) |
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[a78a02f] | 39 | self.assertTrue(self.f1.x_unit == 'A^{-1}') |
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| 40 | self.assertTrue(self.f1.y_unit == 'cm^{-1}') |
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[959eb01] | 41 | |
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[b09095a] | 42 | self.assertEqual(self.f1.meta_data['loader'],"ASCII") |
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[ad92c5a] | 43 | |
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[959eb01] | 44 | def test_truncated_1(self): |
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| 45 | """ |
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| 46 | Test an ascii file with header and a |
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| 47 | comment line in the middle of the data section. |
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| 48 | The business rule says that we should stop |
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| 49 | reading at the first comment once the data |
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| 50 | section has started (and treat the comment |
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| 51 | as though it were the start of a footer). |
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| 52 | """ |
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[b09095a] | 53 | # The length of the data is 5 |
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| 54 | self.assertEqual(len(self.f2.x), 5) |
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| 55 | self.assertEqual(self.f2.x[0],0.002618) |
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| 56 | self.assertEqual(self.f2.x[4],0.02356) |
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[ad92c5a] | 57 | |
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[959eb01] | 58 | def test_truncated_2(self): |
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| 59 | """ |
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| 60 | Test a 6-col ascii file with header and a |
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| 61 | line with only 2 columns in the middle of the data section. |
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| 62 | The business rule says that we should stop |
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| 63 | reading at the first inconsitent line. |
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| 64 | """ |
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| 65 | # The length of the data is 5 |
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[b09095a] | 66 | self.assertEqual(len(self.f3.x), 5) |
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| 67 | self.assertEqual(self.f3.x[0],0.002618) |
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| 68 | self.assertEqual(self.f3.x[4],0.02356) |
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[ad92c5a] | 69 | |
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[959eb01] | 70 | def test_truncated_3(self): |
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| 71 | """ |
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| 72 | Test a 6-col ascii file with complex header and |
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| 73 | many lines with 2 or 2 columns in the middle of the data section. |
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| 74 | The business rule says that we should stop |
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| 75 | reading at the last line of header. |
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| 76 | """ |
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| 77 | # The length of the data is 5 |
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[b09095a] | 78 | self.assertEqual(len(self.f4.x), 5) |
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| 79 | self.assertEqual(self.f4.x[0],0.012654) |
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| 80 | self.assertEqual(self.f4.x[4],0.02654) |
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[ad92c5a] | 81 | |
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[959eb01] | 82 | def test_truncated_4(self): |
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| 83 | """ |
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| 84 | Test mix of 6-col and 2-col. |
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| 85 | Only the last 5 2-col lines should be read. |
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| 86 | """ |
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| 87 | # The length of the data is 5 |
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[b09095a] | 88 | self.assertEqual(len(self.f5.x), 5) |
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| 89 | self.assertEqual(self.f5.x[0],0.02879) |
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| 90 | self.assertEqual(self.f5.x[4],0.0497) |
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[ad92c5a] | 91 | |
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[959eb01] | 92 | def test_truncated_5(self): |
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| 93 | """ |
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[b09095a] | 94 | Test a 6-col ascii file with complex header where one of them has a |
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| 95 | letter and many lines with 2 or 2 columns in the middle of the data |
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| 96 | section. Will be rejected because fewer than 5 lines. |
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[959eb01] | 97 | """ |
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| 98 | # Test .ABS file loaded as ascii |
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| 99 | f = None |
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| 100 | try: |
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| 101 | f = self.loader.load("ascii_test_6.txt") |
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| 102 | # The length of the data is 5 |
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| 103 | except: |
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| 104 | self.assertEqual(f, None) |
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[ad92c5a] | 105 | |
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[959eb01] | 106 | if __name__ == '__main__': |
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| 107 | unittest.main() |
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| 108 | |
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