[4bdd4fdb] | 1 | """ |
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| 2 | Unit tests for the new recursive cansas reader |
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| 3 | """ |
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[b699768] | 4 | import sas.sascalc.dataloader.readers.cansas_reader as cansas |
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| 5 | from sas.sascalc.dataloader.loader import Loader |
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[d72567e] | 6 | from sas.sascalc.dataloader.data_info import Data1D, Data2D |
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[b699768] | 7 | from sas.sascalc.dataloader.readers.xml_reader import XMLreader |
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| 8 | from sas.sascalc.dataloader.readers.cansas_reader import Reader |
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| 9 | from sas.sascalc.dataloader.readers.cansas_constants import CansasConstants |
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[4bdd4fdb] | 10 | |
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| 11 | import os |
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| 12 | import sys |
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[eda8972] | 13 | import urllib2 |
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| 14 | import StringIO |
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[ac5b69d] | 15 | import pylint as pylint |
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| 16 | import unittest |
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[9a5097c] | 17 | import numpy as np |
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[d72567e] | 18 | import logging |
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| 19 | import warnings |
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[4bdd4fdb] | 20 | |
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| 21 | from lxml import etree |
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[ea67541] | 22 | from xml.dom import minidom |
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[d72567e] | 23 | |
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[463e7ffc] | 24 | logger = logging.getLogger(__name__) |
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[c155a16] | 25 | |
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[d72567e] | 26 | warnings.simplefilter("ignore") |
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| 27 | |
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[ac5b69d] | 28 | CANSAS_FORMAT = CansasConstants.CANSAS_FORMAT |
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| 29 | CANSAS_NS = CansasConstants.CANSAS_NS |
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[d72567e] | 30 | |
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| 31 | class cansas_reader_xml(unittest.TestCase): |
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| 32 | |
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[4bdd4fdb] | 33 | def setUp(self): |
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| 34 | self.loader = Loader() |
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[eda8972] | 35 | self.xml_valid = "cansas_test_modified.xml" |
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| 36 | self.xml_invalid = "cansas_test.xml" |
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| 37 | self.cansas1d_badunits = "cansas1d_badunits.xml" |
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| 38 | self.cansas1d = "cansas1d.xml" |
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| 39 | self.cansas1d_slit = "cansas1d_slit.xml" |
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| 40 | self.cansas1d_units = "cansas1d_units.xml" |
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[83b6408] | 41 | self.cansas1d_notitle = "cansas1d_notitle.xml" |
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[eda8972] | 42 | self.isis_1_0 = "ISIS_1_0.xml" |
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| 43 | self.isis_1_1 = "ISIS_1_1.xml" |
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| 44 | self.isis_1_1_notrans = "ISIS_1_1_notrans.xml" |
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[76cd1ae] | 45 | self.isis_1_1_doubletrans = "ISIS_1_1_doubletrans.xml" |
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[eda8972] | 46 | self.schema_1_0 = "cansas1d_v1_0.xsd" |
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| 47 | self.schema_1_1 = "cansas1d_v1_1.xsd" |
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[d72567e] | 48 | |
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| 49 | |
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[eda8972] | 50 | def get_number_of_entries(self, dictionary, name, i): |
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| 51 | if dictionary.get(name) is not None: |
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| 52 | i += 1 |
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| 53 | name = name.split("_")[0] |
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| 54 | name += "_{0}".format(i) |
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| 55 | name = self.get_number_of_entries(dictionary, name, i) |
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| 56 | return name |
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[d72567e] | 57 | |
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| 58 | |
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[3241dd2] | 59 | def test_invalid_xml(self): |
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| 60 | """ |
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[c155a16] | 61 | Should fail gracefully and send a message to logger.info() |
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[3241dd2] | 62 | """ |
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| 63 | invalid = StringIO.StringIO('<a><c></b></a>') |
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| 64 | reader = XMLreader(invalid) |
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[d72567e] | 65 | |
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[eda8972] | 66 | |
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| 67 | def test_xml_validate(self): |
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| 68 | string = "<xsd:schema xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\">\n" |
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| 69 | string += "\t<xsd:element name=\"a\" type=\"AType\"/>\n" |
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| 70 | string += "\t<xsd:complexType name=\"AType\">\n" |
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| 71 | string += "\t\t<xsd:sequence>\n" |
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| 72 | string += "\t\t\t<xsd:element name=\"b\" type=\"xsd:string\" />\n" |
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| 73 | string += "\t\t</xsd:sequence>\n" |
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| 74 | string += "\t</xsd:complexType>\n" |
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| 75 | string += "</xsd:schema>" |
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| 76 | f = StringIO.StringIO(string) |
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| 77 | xmlschema_doc = etree.parse(f) |
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| 78 | xmlschema = etree.XMLSchema(xmlschema_doc) |
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| 79 | valid = etree.parse(StringIO.StringIO('<a><b></b></a>')) |
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| 80 | invalid = etree.parse(StringIO.StringIO('<a><c></c></a>')) |
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| 81 | self.assertTrue(xmlschema.validate(valid)) |
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| 82 | self.assertFalse(xmlschema.validate(invalid)) |
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[d72567e] | 83 | |
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| 84 | |
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[eda8972] | 85 | def test_real_xml(self): |
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| 86 | reader = XMLreader(self.xml_valid, self.schema_1_0) |
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[ac5b69d] | 87 | valid = reader.validate_xml() |
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[eda8972] | 88 | if valid: |
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| 89 | self.assertTrue(valid) |
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| 90 | else: |
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| 91 | self.assertFalse(valid) |
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[d72567e] | 92 | |
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| 93 | |
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[76cd1ae] | 94 | def _check_data(self, data): |
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| 95 | self.assertTrue(data.title == "TK49 c10_SANS") |
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| 96 | self.assertTrue(data.x.size == 138) |
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[ea67541] | 97 | self.assertTrue(len(data.meta_data) == 3) |
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[76cd1ae] | 98 | self.assertTrue(data.detector[0].distance_unit == "mm") |
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| 99 | self.assertTrue(data.detector[1].distance_unit == "mm") |
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| 100 | self.assertTrue(data.detector[0].name == "HAB") |
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| 101 | self.assertTrue(data.detector[1].name == "main-detector-bank") |
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| 102 | self.assertTrue(data.detector[0].distance == 575.0) |
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[250fec92] | 103 | self.assertAlmostEqual(data.detector[1].distance, 4145.02) |
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[76cd1ae] | 104 | self.assertTrue(data.process[0].name == "Mantid generated CanSAS1D XML") |
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[2e3b055] | 105 | self.assertTrue(data.meta_data["xmlpreprocess"] != None) |
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[d72567e] | 106 | |
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| 107 | |
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[c6ca23d] | 108 | def _check_data_1_1(self, data): |
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| 109 | spectrum = data.trans_spectrum[0] |
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| 110 | self.assertTrue(len(spectrum.wavelength) == 138) |
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[d72567e] | 111 | |
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| 112 | |
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[eda8972] | 113 | def test_cansas_xml(self): |
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[75eeb425] | 114 | filename = "isis_1_1_write_test.xml" |
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[eda8972] | 115 | xmlreader = XMLreader(self.isis_1_1, self.schema_1_1) |
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[ac5b69d] | 116 | valid = xmlreader.validate_xml() |
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| 117 | xmlreader.set_processing_instructions() |
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[eda8972] | 118 | self.assertTrue(valid) |
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[2e3b055] | 119 | fo = open(self.isis_1_1) |
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| 120 | str = fo.read() |
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[76cd1ae] | 121 | reader_generic = Loader() |
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| 122 | dataloader = reader_generic.load(self.isis_1_1) |
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| 123 | reader_cansas = Reader() |
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| 124 | cansasreader = reader_cansas.read(self.isis_1_1) |
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| 125 | for i in range(len(dataloader)): |
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| 126 | self._check_data(dataloader[i]) |
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[c6ca23d] | 127 | self._check_data_1_1(dataloader[i]) |
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[76cd1ae] | 128 | self._check_data(cansasreader[i]) |
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[c6ca23d] | 129 | self._check_data_1_1(cansasreader[i]) |
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[76cd1ae] | 130 | reader_generic.save(filename, dataloader[i], None) |
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[2e3b055] | 131 | fo = open(filename) |
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| 132 | str = fo.read() |
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| 133 | reader2 = Loader() |
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| 134 | return_data = reader2.load(filename) |
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[76cd1ae] | 135 | written_data = return_data[0] |
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| 136 | self._check_data(written_data) |
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[d72567e] | 137 | |
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| 138 | |
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[76cd1ae] | 139 | def test_double_trans_spectra(self): |
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| 140 | xmlreader = XMLreader(self.isis_1_1_doubletrans, self.schema_1_1) |
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[ac5b69d] | 141 | self.assertTrue(xmlreader.validate_xml()) |
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[76cd1ae] | 142 | reader = Loader() |
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| 143 | data = reader.load(self.isis_1_1_doubletrans) |
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| 144 | for item in data: |
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| 145 | self._check_data(item) |
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[d72567e] | 146 | |
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| 147 | |
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[eda8972] | 148 | def test_entry_name_recurse(self): |
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| 149 | test_values = [1,2,3,4,5,6] |
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| 150 | base_key = "key" |
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| 151 | d = {} |
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| 152 | for value in test_values: |
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| 153 | new_key = self.get_number_of_entries(d, base_key, i = 0) |
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| 154 | d[new_key] = value |
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| 155 | self.assertTrue(len(d) == 6) |
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[d72567e] | 156 | |
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| 157 | |
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[eda8972] | 158 | def test_load_cansas_file(self): |
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| 159 | valid = [] |
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| 160 | reader1 = XMLreader(self.xml_valid, self.schema_1_0) |
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[ac5b69d] | 161 | self.assertTrue(reader1.validate_xml()) |
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[eda8972] | 162 | reader2 = XMLreader(self.xml_invalid, self.schema_1_0) |
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[ac5b69d] | 163 | self.assertFalse(reader2.validate_xml()) |
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[eda8972] | 164 | reader3 = XMLreader(self.xml_valid, self.schema_1_1) |
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[ac5b69d] | 165 | self.assertFalse(reader3.validate_xml()) |
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[eda8972] | 166 | reader4 = XMLreader(self.xml_invalid, self.schema_1_1) |
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[ac5b69d] | 167 | self.assertFalse(reader4.validate_xml()) |
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[eda8972] | 168 | reader5 = XMLreader(self.isis_1_0, self.schema_1_0) |
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[ac5b69d] | 169 | self.assertTrue(reader5.validate_xml()) |
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[eda8972] | 170 | reader6 = XMLreader(self.isis_1_1, self.schema_1_1) |
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[ac5b69d] | 171 | self.assertTrue(reader6.validate_xml()) |
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[eda8972] | 172 | reader7 = XMLreader(self.isis_1_1, self.schema_1_0) |
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[ac5b69d] | 173 | self.assertFalse(reader7.validate_xml()) |
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[d72567e] | 174 | |
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| 175 | |
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[83b6408] | 176 | def test_invalid_cansas(self): |
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| 177 | list = self.loader.load(self.cansas1d_notitle) |
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| 178 | data = list[0] |
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| 179 | self.assertTrue(data.x.size == 2) |
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[1686a333] | 180 | self.assertTrue(len(data.meta_data) == 2) |
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[83b6408] | 181 | self.assertTrue(len(data.errors) == 1) |
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| 182 | self.assertTrue(data.detector[0].distance_unit == "mm") |
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| 183 | self.assertTrue(data.detector[0].name == "fictional hybrid") |
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| 184 | self.assertTrue(data.detector[0].distance == 4150) |
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| 185 | |
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| 186 | |
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[eda8972] | 187 | def test_old_cansas_files(self): |
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| 188 | reader1 = XMLreader(self.cansas1d, self.schema_1_0) |
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[ac5b69d] | 189 | self.assertTrue(reader1.validate_xml()) |
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[ea67541] | 190 | file_loader = Loader() |
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| 191 | file1 = file_loader.load(self.cansas1d) |
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[eda8972] | 192 | reader2 = XMLreader(self.cansas1d_units, self.schema_1_0) |
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[ac5b69d] | 193 | self.assertTrue(reader2.validate_xml()) |
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[eda8972] | 194 | reader3 = XMLreader(self.cansas1d_badunits, self.schema_1_0) |
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[ac5b69d] | 195 | self.assertTrue(reader3.validate_xml()) |
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[eda8972] | 196 | reader4 = XMLreader(self.cansas1d_slit, self.schema_1_0) |
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[ac5b69d] | 197 | self.assertTrue(reader4.validate_xml()) |
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[d72567e] | 198 | |
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| 199 | |
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[c6ca23d] | 200 | def test_save_cansas_v1_0(self): |
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| 201 | filename = "isis_1_0_write_test.xml" |
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| 202 | xmlreader = XMLreader(self.isis_1_0, self.schema_1_0) |
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[ac5b69d] | 203 | valid = xmlreader.validate_xml() |
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[c6ca23d] | 204 | self.assertTrue(valid) |
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| 205 | reader_generic = Loader() |
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| 206 | dataloader = reader_generic.load(self.isis_1_0) |
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| 207 | reader_cansas = Reader() |
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| 208 | cansasreader = reader_cansas.read(self.isis_1_0) |
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| 209 | for i in range(len(dataloader)): |
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| 210 | self._check_data(dataloader[i]) |
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| 211 | self._check_data(cansasreader[i]) |
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| 212 | reader_generic.save(filename, dataloader[i], None) |
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| 213 | reader2 = Reader() |
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| 214 | return_data = reader2.read(filename) |
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| 215 | written_data = return_data[0] |
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[2e3b055] | 216 | xmlwrite = XMLreader(filename, self.schema_1_0) |
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[ac5b69d] | 217 | valid = xmlreader.validate_xml() |
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[2e3b055] | 218 | self.assertTrue(valid) |
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[c6ca23d] | 219 | self._check_data(written_data) |
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[d72567e] | 220 | |
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| 221 | |
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[ea67541] | 222 | def test_processing_instructions(self): |
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| 223 | reader = XMLreader(self.isis_1_1, self.schema_1_1) |
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[ac5b69d] | 224 | valid = reader.validate_xml() |
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[ea67541] | 225 | if valid: |
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| 226 | ## find the processing instructions and make into a dictionary |
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[ac5b69d] | 227 | dic = self.get_processing_instructions(reader) |
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[3241dd2] | 228 | self.assertTrue(dic == {'xml-stylesheet': \ |
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| 229 | 'type="text/xsl" href="cansas1d.xsl" '}) |
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[d72567e] | 230 | |
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[ea67541] | 231 | xml = "<test><a><b><c></c></b></a></test>" |
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| 232 | xmldoc = minidom.parseString(xml) |
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[d72567e] | 233 | |
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[ea67541] | 234 | ## take the processing instructions and put them back in |
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[ac5b69d] | 235 | xmldoc = self.set_processing_instructions(xmldoc, dic) |
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[ea67541] | 236 | xml_output = xmldoc.toprettyxml() |
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[d72567e] | 237 | |
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| 238 | |
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[ac5b69d] | 239 | def set_processing_instructions(self, minidom_object, dic): |
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| 240 | xmlroot = minidom_object.firstChild |
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[ea67541] | 241 | for item in dic: |
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[ac5b69d] | 242 | pi = minidom_object.createProcessingInstruction(item, dic[item]) |
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| 243 | minidom_object.insertBefore(pi, xmlroot) |
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| 244 | return minidom_object |
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[d72567e] | 245 | |
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| 246 | |
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[ac5b69d] | 247 | def get_processing_instructions(self, xml_reader_object): |
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[ea67541] | 248 | dict = {} |
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[ac5b69d] | 249 | pi = xml_reader_object.xmlroot.getprevious() |
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[ea67541] | 250 | i = 0 |
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| 251 | while pi is not None: |
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| 252 | attr = {} |
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| 253 | pi_name = "" |
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| 254 | pi_string = etree.tostring(pi) |
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| 255 | if isinstance(pi_string, str): |
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| 256 | pi_string = pi_string.replace("<?", "").replace("?>", "") |
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| 257 | split = pi_string.split(" ", 1) |
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| 258 | pi_name = split[0] |
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| 259 | attr = split[1] |
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| 260 | dict[pi_name] = attr |
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| 261 | pi = pi.getprevious() |
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| 262 | return dict |
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[d72567e] | 263 | |
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| 264 | |
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| 265 | class cansas_reader_hdf5(unittest.TestCase): |
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| 266 | |
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| 267 | def setUp(self): |
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| 268 | self.loader = Loader() |
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| 269 | self.datafile_basic = "simpleexamplefile.h5" |
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| 270 | self.datafile_multiplesasentry = "cansas_1Dand2D_samedatafile.h5" |
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| 271 | self.datafile_multiplesasdata = "cansas_1Dand2D_samesasentry.h5" |
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| 272 | self.datafile_multiplesasdata_multiplesasentry = "cansas_1Dand2D_multiplesasentry_multiplesasdata.h5" |
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| 273 | |
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| 274 | def test_real_data(self): |
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| 275 | self.data = self.loader.load(self.datafile_basic) |
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| 276 | self._check_example_data(self.data[0]) |
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| 277 | |
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| 278 | def test_multiple_sasentries(self): |
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| 279 | self.data = self.loader.load(self.datafile_multiplesasentry) |
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| 280 | self.assertTrue(len(self.data) == 2) |
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| 281 | self._check_multiple_data(self.data[0]) |
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| 282 | self._check_multiple_data(self.data[1]) |
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| 283 | self._check_1d_data(self.data[0]) |
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| 284 | |
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| 285 | def _check_multiple_data(self, data): |
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| 286 | self.assertTrue(data.title == "MH4_5deg_16T_SLOW") |
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| 287 | self.assertTrue(data.run[0] == '33837') |
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| 288 | self.assertTrue(len(data.run) == 1) |
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| 289 | self.assertTrue(data.instrument == "SANS2D") |
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| 290 | self.assertTrue(data.source.radiation == "Spallation Neutron Source") |
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| 291 | self.assertTrue(len(data.detector) == 1) |
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| 292 | self.assertTrue(data.detector[0].name == "rear-detector") |
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| 293 | self.assertTrue(data.detector[0].distance == 4.385281) |
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| 294 | self.assertTrue(data.detector[0].distance_unit == 'm') |
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| 295 | self.assertTrue(len(data.trans_spectrum) == 1) |
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| 296 | |
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| 297 | def _check_1d_data(self, data): |
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| 298 | self.assertTrue(isinstance(data, Data1D)) |
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| 299 | self.assertTrue(len(data.x) == 66) |
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| 300 | self.assertTrue(len(data.x) == len(data.y)) |
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| 301 | self.assertTrue(data.dy[10] == 0.20721350111248701) |
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| 302 | self.assertTrue(data.y[10] == 24.193889608153476) |
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| 303 | self.assertTrue(data.x[10] == 0.008981127988654792) |
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| 304 | |
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| 305 | def _check_2d_data(self, data): |
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| 306 | self.assertTrue(isinstance(data, Data2D)) |
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| 307 | self.assertTrue(len(data.x) == 66) |
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| 308 | self.assertTrue(len(data.x) == len(data.y)) |
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| 309 | self.assertTrue(data.dy[10] == 0.20721350111248701) |
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| 310 | self.assertTrue(data.y[10] == 24.193889608153476) |
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| 311 | self.assertTrue(data.x[10] == 0.008981127988654792) |
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| 312 | |
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| 313 | def _check_example_data(self, data): |
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| 314 | self.assertTrue(data.title == "") |
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| 315 | self.assertTrue(data.x.size == 100) |
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| 316 | self.assertTrue(data._xunit == "A^{-1}") |
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| 317 | self.assertTrue(data._yunit == "cm^{-1}") |
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| 318 | self.assertTrue(data.y.size == 100) |
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| 319 | self.assertAlmostEqual(data.y[9], 0.952749011516985) |
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| 320 | self.assertAlmostEqual(data.x[9], 0.3834415188257777) |
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| 321 | self.assertAlmostEqual(len(data.meta_data), 0) |
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| 322 | |
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[2e3b055] | 323 | |
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[4bdd4fdb] | 324 | if __name__ == '__main__': |
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[eda8972] | 325 | unittest.main() |
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