1 | """ |
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2 | Unit tests for the new recursive cansas 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 sans.dataloader.readers.cansas_reader as cansas |
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8 | from sans.dataloader.loader import Loader |
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9 | from sans.dataloader.data_info import Data1D |
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10 | from sans.dataloader.readers.xml_reader import XMLreader |
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11 | from sans.dataloader.readers.cansas_reader import Reader |
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12 | from sans.dataloader.readers.cansas_constants import CansasConstants |
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13 | |
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14 | import os |
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15 | import sys |
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16 | import urllib2 |
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17 | import StringIO |
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18 | import pylint as pylint |
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19 | import unittest |
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20 | import numpy |
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21 | |
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22 | from lxml import etree |
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23 | from xml.dom import minidom |
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24 | |
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25 | CANSAS_FORMAT = CansasConstants.CANSAS_FORMAT |
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26 | CANSAS_NS = CansasConstants.CANSAS_NS |
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27 | |
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28 | class cansas_reader(unittest.TestCase): |
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29 | |
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30 | def setUp(self): |
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31 | self.loader = Loader() |
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32 | self.xml_valid = "cansas_test_modified.xml" |
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33 | self.xml_invalid = "cansas_test.xml" |
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34 | self.cansas1d_badunits = "cansas1d_badunits.xml" |
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35 | self.cansas1d = "cansas1d.xml" |
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36 | self.cansas1d_slit = "cansas1d_slit.xml" |
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37 | self.cansas1d_units = "cansas1d_units.xml" |
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38 | self.isis_1_0 = "ISIS_1_0.xml" |
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39 | self.isis_1_1 = "ISIS_1_1.xml" |
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40 | self.isis_1_1_notrans = "ISIS_1_1_notrans.xml" |
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41 | self.isis_1_1_doubletrans = "ISIS_1_1_doubletrans.xml" |
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42 | self.schema_1_0 = "cansas1d_v1_0.xsd" |
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43 | self.schema_1_1 = "cansas1d_v1_1.xsd" |
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44 | |
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45 | |
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46 | def get_number_of_entries(self, dictionary, name, i): |
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47 | if dictionary.get(name) is not None: |
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48 | i += 1 |
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49 | name = name.split("_")[0] |
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50 | name += "_{0}".format(i) |
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51 | name = self.get_number_of_entries(dictionary, name, i) |
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52 | return name |
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53 | |
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54 | |
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55 | def test_xml_validate(self): |
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56 | string = "<xsd:schema xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\">\n" |
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57 | string += "\t<xsd:element name=\"a\" type=\"AType\"/>\n" |
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58 | string += "\t<xsd:complexType name=\"AType\">\n" |
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59 | string += "\t\t<xsd:sequence>\n" |
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60 | string += "\t\t\t<xsd:element name=\"b\" type=\"xsd:string\" />\n" |
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61 | string += "\t\t</xsd:sequence>\n" |
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62 | string += "\t</xsd:complexType>\n" |
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63 | string += "</xsd:schema>" |
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64 | f = StringIO.StringIO(string) |
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65 | xmlschema_doc = etree.parse(f) |
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66 | xmlschema = etree.XMLSchema(xmlschema_doc) |
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67 | valid = etree.parse(StringIO.StringIO('<a><b></b></a>')) |
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68 | invalid = etree.parse(StringIO.StringIO('<a><c></c></a>')) |
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69 | self.assertTrue(xmlschema.validate(valid)) |
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70 | self.assertFalse(xmlschema.validate(invalid)) |
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71 | |
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72 | |
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73 | def test_real_xml(self): |
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74 | reader = XMLreader(self.xml_valid, self.schema_1_0) |
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75 | valid = reader.validate_xml() |
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76 | if valid: |
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77 | self.assertTrue(valid) |
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78 | else: |
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79 | self.assertFalse(valid) |
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80 | |
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81 | |
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82 | def _check_data(self, data): |
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83 | self.assertTrue(data.title == "TK49 c10_SANS") |
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84 | self.assertTrue(data.x.size == 138) |
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85 | self.assertTrue(len(data.meta_data) == 3) |
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86 | self.assertTrue(data.detector[0].distance_unit == "mm") |
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87 | self.assertTrue(data.detector[1].distance_unit == "mm") |
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88 | self.assertTrue(data.detector[0].name == "HAB") |
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89 | self.assertTrue(data.detector[1].name == "main-detector-bank") |
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90 | self.assertTrue(data.detector[0].distance == 575.0) |
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91 | self.assertTrue(data.detector[1].distance == 4145.02) |
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92 | self.assertTrue(data.process[0].name == "Mantid generated CanSAS1D XML") |
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93 | self.assertTrue(data.meta_data["xmlpreprocess"] != None) |
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94 | |
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95 | |
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96 | def _check_data_1_1(self, data): |
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97 | spectrum = data.trans_spectrum[0] |
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98 | self.assertTrue(len(spectrum.wavelength) == 138) |
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99 | |
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100 | |
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101 | def test_cansas_xml(self): |
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102 | filename = "isis_1_1_write_test.xml" |
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103 | xmlreader = XMLreader(self.isis_1_1, self.schema_1_1) |
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104 | valid = xmlreader.validate_xml() |
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105 | xmlreader.set_processing_instructions() |
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106 | self.assertTrue(valid) |
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107 | fo = open(self.isis_1_1) |
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108 | str = fo.read() |
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109 | reader_generic = Loader() |
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110 | dataloader = reader_generic.load(self.isis_1_1) |
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111 | reader_cansas = Reader() |
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112 | cansasreader = reader_cansas.read(self.isis_1_1) |
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113 | for i in range(len(dataloader)): |
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114 | self._check_data(dataloader[i]) |
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115 | self._check_data_1_1(dataloader[i]) |
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116 | self._check_data(cansasreader[i]) |
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117 | self._check_data_1_1(cansasreader[i]) |
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118 | reader_generic.save(filename, dataloader[i], None) |
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119 | fo = open(filename) |
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120 | str = fo.read() |
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121 | reader2 = Loader() |
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122 | return_data = reader2.load(filename) |
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123 | written_data = return_data[0] |
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124 | self._check_data(written_data) |
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125 | |
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126 | |
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127 | def test_double_trans_spectra(self): |
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128 | xmlreader = XMLreader(self.isis_1_1_doubletrans, self.schema_1_1) |
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129 | self.assertTrue(xmlreader.validate_xml()) |
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130 | reader = Loader() |
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131 | data = reader.load(self.isis_1_1_doubletrans) |
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132 | for item in data: |
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133 | self._check_data(item) |
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134 | |
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135 | |
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136 | def test_entry_name_recurse(self): |
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137 | test_values = [1,2,3,4,5,6] |
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138 | base_key = "key" |
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139 | d = {} |
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140 | for value in test_values: |
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141 | new_key = self.get_number_of_entries(d, base_key, i = 0) |
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142 | d[new_key] = value |
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143 | self.assertTrue(len(d) == 6) |
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144 | |
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145 | |
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146 | def test_load_cansas_file(self): |
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147 | valid = [] |
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148 | reader1 = XMLreader(self.xml_valid, self.schema_1_0) |
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149 | self.assertTrue(reader1.validate_xml()) |
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150 | reader2 = XMLreader(self.xml_invalid, self.schema_1_0) |
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151 | self.assertFalse(reader2.validate_xml()) |
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152 | reader3 = XMLreader(self.xml_valid, self.schema_1_1) |
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153 | self.assertFalse(reader3.validate_xml()) |
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154 | reader4 = XMLreader(self.xml_invalid, self.schema_1_1) |
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155 | self.assertFalse(reader4.validate_xml()) |
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156 | reader5 = XMLreader(self.isis_1_0, self.schema_1_0) |
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157 | self.assertTrue(reader5.validate_xml()) |
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158 | reader6 = XMLreader(self.isis_1_1, self.schema_1_1) |
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159 | self.assertTrue(reader6.validate_xml()) |
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160 | reader7 = XMLreader(self.isis_1_1, self.schema_1_0) |
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161 | self.assertFalse(reader7.validate_xml()) |
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162 | |
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163 | |
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164 | def test_old_cansas_files(self): |
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165 | reader1 = XMLreader(self.cansas1d, self.schema_1_0) |
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166 | self.assertTrue(reader1.validate_xml()) |
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167 | file_loader = Loader() |
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168 | file1 = file_loader.load(self.cansas1d) |
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169 | reader2 = XMLreader(self.cansas1d_units, self.schema_1_0) |
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170 | self.assertTrue(reader2.validate_xml()) |
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171 | reader3 = XMLreader(self.cansas1d_badunits, self.schema_1_0) |
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172 | self.assertTrue(reader3.validate_xml()) |
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173 | reader4 = XMLreader(self.cansas1d_slit, self.schema_1_0) |
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174 | self.assertTrue(reader4.validate_xml()) |
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175 | |
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176 | |
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177 | def test_save_cansas_v1_0(self): |
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178 | filename = "isis_1_0_write_test.xml" |
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179 | xmlreader = XMLreader(self.isis_1_0, self.schema_1_0) |
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180 | valid = xmlreader.validate_xml() |
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181 | self.assertTrue(valid) |
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182 | reader_generic = Loader() |
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183 | dataloader = reader_generic.load(self.isis_1_0) |
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184 | reader_cansas = Reader() |
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185 | cansasreader = reader_cansas.read(self.isis_1_0) |
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186 | for i in range(len(dataloader)): |
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187 | self._check_data(dataloader[i]) |
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188 | self._check_data(cansasreader[i]) |
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189 | reader_generic.save(filename, dataloader[i], None) |
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190 | reader2 = Reader() |
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191 | return_data = reader2.read(filename) |
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192 | written_data = return_data[0] |
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193 | xmlwrite = XMLreader(filename, self.schema_1_0) |
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194 | valid = xmlreader.validate_xml() |
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195 | self.assertTrue(valid) |
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196 | self._check_data(written_data) |
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197 | |
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198 | |
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199 | def test_processing_instructions(self): |
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200 | reader = XMLreader(self.isis_1_1, self.schema_1_1) |
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201 | valid = reader.validate_xml() |
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202 | if valid: |
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203 | ## find the processing instructions and make into a dictionary |
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204 | dic = self.get_processing_instructions(reader) |
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205 | self.assertTrue(dic == {'xml-stylesheet': 'type="text/xsl" href="cansas1d.xsl" '}) |
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206 | |
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207 | xml = "<test><a><b><c></c></b></a></test>" |
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208 | xmldoc = minidom.parseString(xml) |
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209 | |
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210 | ## take the processing instructions and put them back in |
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211 | xmldoc = self.set_processing_instructions(xmldoc, dic) |
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212 | xml_output = xmldoc.toprettyxml() |
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213 | |
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214 | |
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215 | def set_processing_instructions(self, minidom_object, dic): |
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216 | xmlroot = minidom_object.firstChild |
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217 | for item in dic: |
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218 | pi = minidom_object.createProcessingInstruction(item, dic[item]) |
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219 | minidom_object.insertBefore(pi, xmlroot) |
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220 | return minidom_object |
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221 | |
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222 | |
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223 | def get_processing_instructions(self, xml_reader_object): |
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224 | dict = {} |
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225 | pi = xml_reader_object.xmlroot.getprevious() |
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226 | i = 0 |
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227 | while pi is not None: |
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228 | attr = {} |
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229 | pi_name = "" |
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230 | pi_string = etree.tostring(pi) |
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231 | if isinstance(pi_string, str): |
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232 | pi_string = pi_string.replace("<?", "").replace("?>", "") |
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233 | split = pi_string.split(" ", 1) |
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234 | pi_name = split[0] |
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235 | attr = split[1] |
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236 | dict[pi_name] = attr |
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237 | pi = pi.getprevious() |
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238 | return dict |
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239 | |
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240 | |
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241 | if __name__ == '__main__': |
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242 | unittest.main() |
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