[4bdd4fdb] | 1 | """ |
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| 2 | Unit tests for the new recursive cansas reader |
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| 3 | """ |
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[3241dd2] | 4 | import logging |
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[4bdd4fdb] | 5 | import warnings |
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| 6 | warnings.simplefilter("ignore") |
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| 7 | |
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[b699768] | 8 | import sas.sascalc.dataloader.readers.cansas_reader as cansas |
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| 9 | from sas.sascalc.dataloader.loader import Loader |
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| 10 | from sas.sascalc.dataloader.data_info import Data1D |
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| 11 | from sas.sascalc.dataloader.readers.xml_reader import XMLreader |
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| 12 | from sas.sascalc.dataloader.readers.cansas_reader import Reader |
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| 13 | from sas.sascalc.dataloader.readers.cansas_constants import CansasConstants |
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[4bdd4fdb] | 14 | |
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| 15 | import os |
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| 16 | import sys |
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[eda8972] | 17 | import urllib2 |
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| 18 | import StringIO |
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[ac5b69d] | 19 | import pylint as pylint |
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| 20 | import unittest |
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| 21 | import numpy |
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[4bdd4fdb] | 22 | |
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| 23 | from lxml import etree |
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[ea67541] | 24 | from xml.dom import minidom |
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[4bdd4fdb] | 25 | |
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[ac5b69d] | 26 | CANSAS_FORMAT = CansasConstants.CANSAS_FORMAT |
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| 27 | CANSAS_NS = CansasConstants.CANSAS_NS |
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[4bdd4fdb] | 28 | |
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| 29 | class cansas_reader(unittest.TestCase): |
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| 30 | |
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| 31 | def setUp(self): |
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| 32 | self.loader = Loader() |
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[eda8972] | 33 | self.xml_valid = "cansas_test_modified.xml" |
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| 34 | self.xml_invalid = "cansas_test.xml" |
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| 35 | self.cansas1d_badunits = "cansas1d_badunits.xml" |
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| 36 | self.cansas1d = "cansas1d.xml" |
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| 37 | self.cansas1d_slit = "cansas1d_slit.xml" |
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| 38 | self.cansas1d_units = "cansas1d_units.xml" |
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| 39 | self.isis_1_0 = "ISIS_1_0.xml" |
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| 40 | self.isis_1_1 = "ISIS_1_1.xml" |
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| 41 | self.isis_1_1_notrans = "ISIS_1_1_notrans.xml" |
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[76cd1ae] | 42 | self.isis_1_1_doubletrans = "ISIS_1_1_doubletrans.xml" |
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[eda8972] | 43 | self.schema_1_0 = "cansas1d_v1_0.xsd" |
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| 44 | self.schema_1_1 = "cansas1d_v1_1.xsd" |
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[75eeb425] | 45 | |
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[eda8972] | 46 | |
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| 47 | def get_number_of_entries(self, dictionary, name, i): |
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| 48 | if dictionary.get(name) is not None: |
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| 49 | i += 1 |
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| 50 | name = name.split("_")[0] |
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| 51 | name += "_{0}".format(i) |
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| 52 | name = self.get_number_of_entries(dictionary, name, i) |
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| 53 | return name |
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[3241dd2] | 54 | |
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| 55 | |
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| 56 | def test_invalid_xml(self): |
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| 57 | """ |
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| 58 | Should fail gracefully and send a message to logging.info() |
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| 59 | """ |
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| 60 | invalid = StringIO.StringIO('<a><c></b></a>') |
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| 61 | reader = XMLreader(invalid) |
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[ea67541] | 62 | |
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[eda8972] | 63 | |
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| 64 | def test_xml_validate(self): |
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| 65 | string = "<xsd:schema xmlns:xsd=\"http://www.w3.org/2001/XMLSchema\">\n" |
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| 66 | string += "\t<xsd:element name=\"a\" type=\"AType\"/>\n" |
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| 67 | string += "\t<xsd:complexType name=\"AType\">\n" |
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| 68 | string += "\t\t<xsd:sequence>\n" |
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| 69 | string += "\t\t\t<xsd:element name=\"b\" type=\"xsd:string\" />\n" |
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| 70 | string += "\t\t</xsd:sequence>\n" |
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| 71 | string += "\t</xsd:complexType>\n" |
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| 72 | string += "</xsd:schema>" |
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| 73 | f = StringIO.StringIO(string) |
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| 74 | xmlschema_doc = etree.parse(f) |
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| 75 | xmlschema = etree.XMLSchema(xmlschema_doc) |
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| 76 | valid = etree.parse(StringIO.StringIO('<a><b></b></a>')) |
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| 77 | invalid = etree.parse(StringIO.StringIO('<a><c></c></a>')) |
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| 78 | self.assertTrue(xmlschema.validate(valid)) |
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| 79 | self.assertFalse(xmlschema.validate(invalid)) |
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[4bdd4fdb] | 80 | |
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[75eeb425] | 81 | |
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[eda8972] | 82 | def test_real_xml(self): |
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| 83 | reader = XMLreader(self.xml_valid, self.schema_1_0) |
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[ac5b69d] | 84 | valid = reader.validate_xml() |
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[eda8972] | 85 | if valid: |
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| 86 | self.assertTrue(valid) |
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| 87 | else: |
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| 88 | self.assertFalse(valid) |
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[75eeb425] | 89 | |
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[76cd1ae] | 90 | |
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| 91 | def _check_data(self, data): |
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| 92 | self.assertTrue(data.title == "TK49 c10_SANS") |
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| 93 | self.assertTrue(data.x.size == 138) |
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[ea67541] | 94 | self.assertTrue(len(data.meta_data) == 3) |
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[76cd1ae] | 95 | self.assertTrue(data.detector[0].distance_unit == "mm") |
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| 96 | self.assertTrue(data.detector[1].distance_unit == "mm") |
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| 97 | self.assertTrue(data.detector[0].name == "HAB") |
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| 98 | self.assertTrue(data.detector[1].name == "main-detector-bank") |
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| 99 | self.assertTrue(data.detector[0].distance == 575.0) |
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| 100 | self.assertTrue(data.detector[1].distance == 4145.02) |
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| 101 | self.assertTrue(data.process[0].name == "Mantid generated CanSAS1D XML") |
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[2e3b055] | 102 | self.assertTrue(data.meta_data["xmlpreprocess"] != None) |
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[76cd1ae] | 103 | |
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[c6ca23d] | 104 | |
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| 105 | def _check_data_1_1(self, data): |
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| 106 | spectrum = data.trans_spectrum[0] |
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| 107 | self.assertTrue(len(spectrum.wavelength) == 138) |
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[4bdd4fdb] | 108 | |
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[c6ca23d] | 109 | |
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[eda8972] | 110 | def test_cansas_xml(self): |
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[75eeb425] | 111 | filename = "isis_1_1_write_test.xml" |
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[eda8972] | 112 | xmlreader = XMLreader(self.isis_1_1, self.schema_1_1) |
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[ac5b69d] | 113 | valid = xmlreader.validate_xml() |
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| 114 | xmlreader.set_processing_instructions() |
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[eda8972] | 115 | self.assertTrue(valid) |
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[2e3b055] | 116 | fo = open(self.isis_1_1) |
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| 117 | str = fo.read() |
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[76cd1ae] | 118 | reader_generic = Loader() |
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| 119 | dataloader = reader_generic.load(self.isis_1_1) |
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| 120 | reader_cansas = Reader() |
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| 121 | cansasreader = reader_cansas.read(self.isis_1_1) |
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| 122 | for i in range(len(dataloader)): |
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| 123 | self._check_data(dataloader[i]) |
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[c6ca23d] | 124 | self._check_data_1_1(dataloader[i]) |
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[76cd1ae] | 125 | self._check_data(cansasreader[i]) |
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[c6ca23d] | 126 | self._check_data_1_1(cansasreader[i]) |
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[76cd1ae] | 127 | reader_generic.save(filename, dataloader[i], None) |
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[2e3b055] | 128 | fo = open(filename) |
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| 129 | str = fo.read() |
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| 130 | reader2 = Loader() |
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| 131 | return_data = reader2.load(filename) |
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[76cd1ae] | 132 | written_data = return_data[0] |
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| 133 | self._check_data(written_data) |
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[2e3b055] | 134 | |
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[76cd1ae] | 135 | |
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| 136 | def test_double_trans_spectra(self): |
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| 137 | xmlreader = XMLreader(self.isis_1_1_doubletrans, self.schema_1_1) |
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[ac5b69d] | 138 | self.assertTrue(xmlreader.validate_xml()) |
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[76cd1ae] | 139 | reader = Loader() |
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| 140 | data = reader.load(self.isis_1_1_doubletrans) |
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| 141 | for item in data: |
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| 142 | self._check_data(item) |
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| 143 | |
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[eda8972] | 144 | |
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| 145 | def test_entry_name_recurse(self): |
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| 146 | test_values = [1,2,3,4,5,6] |
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| 147 | base_key = "key" |
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| 148 | d = {} |
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| 149 | for value in test_values: |
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| 150 | new_key = self.get_number_of_entries(d, base_key, i = 0) |
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| 151 | d[new_key] = value |
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| 152 | self.assertTrue(len(d) == 6) |
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[75eeb425] | 153 | |
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[eda8972] | 154 | |
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| 155 | def test_load_cansas_file(self): |
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| 156 | valid = [] |
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| 157 | reader1 = XMLreader(self.xml_valid, self.schema_1_0) |
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[ac5b69d] | 158 | self.assertTrue(reader1.validate_xml()) |
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[eda8972] | 159 | reader2 = XMLreader(self.xml_invalid, self.schema_1_0) |
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[ac5b69d] | 160 | self.assertFalse(reader2.validate_xml()) |
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[eda8972] | 161 | reader3 = XMLreader(self.xml_valid, self.schema_1_1) |
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[ac5b69d] | 162 | self.assertFalse(reader3.validate_xml()) |
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[eda8972] | 163 | reader4 = XMLreader(self.xml_invalid, self.schema_1_1) |
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[ac5b69d] | 164 | self.assertFalse(reader4.validate_xml()) |
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[eda8972] | 165 | reader5 = XMLreader(self.isis_1_0, self.schema_1_0) |
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[ac5b69d] | 166 | self.assertTrue(reader5.validate_xml()) |
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[eda8972] | 167 | reader6 = XMLreader(self.isis_1_1, self.schema_1_1) |
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[ac5b69d] | 168 | self.assertTrue(reader6.validate_xml()) |
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[eda8972] | 169 | reader7 = XMLreader(self.isis_1_1, self.schema_1_0) |
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[ac5b69d] | 170 | self.assertFalse(reader7.validate_xml()) |
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[75eeb425] | 171 | |
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[ea67541] | 172 | |
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[eda8972] | 173 | def test_old_cansas_files(self): |
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| 174 | reader1 = XMLreader(self.cansas1d, self.schema_1_0) |
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[ac5b69d] | 175 | self.assertTrue(reader1.validate_xml()) |
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[ea67541] | 176 | file_loader = Loader() |
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| 177 | file1 = file_loader.load(self.cansas1d) |
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[eda8972] | 178 | reader2 = XMLreader(self.cansas1d_units, self.schema_1_0) |
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[ac5b69d] | 179 | self.assertTrue(reader2.validate_xml()) |
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[eda8972] | 180 | reader3 = XMLreader(self.cansas1d_badunits, self.schema_1_0) |
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[ac5b69d] | 181 | self.assertTrue(reader3.validate_xml()) |
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[eda8972] | 182 | reader4 = XMLreader(self.cansas1d_slit, self.schema_1_0) |
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[ac5b69d] | 183 | self.assertTrue(reader4.validate_xml()) |
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[4bdd4fdb] | 184 | |
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[2e3b055] | 185 | |
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[c6ca23d] | 186 | def test_save_cansas_v1_0(self): |
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| 187 | filename = "isis_1_0_write_test.xml" |
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| 188 | xmlreader = XMLreader(self.isis_1_0, self.schema_1_0) |
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[ac5b69d] | 189 | valid = xmlreader.validate_xml() |
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[c6ca23d] | 190 | self.assertTrue(valid) |
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| 191 | reader_generic = Loader() |
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| 192 | dataloader = reader_generic.load(self.isis_1_0) |
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| 193 | reader_cansas = Reader() |
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| 194 | cansasreader = reader_cansas.read(self.isis_1_0) |
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| 195 | for i in range(len(dataloader)): |
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| 196 | self._check_data(dataloader[i]) |
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| 197 | self._check_data(cansasreader[i]) |
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| 198 | reader_generic.save(filename, dataloader[i], None) |
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| 199 | reader2 = Reader() |
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| 200 | return_data = reader2.read(filename) |
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| 201 | written_data = return_data[0] |
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[2e3b055] | 202 | xmlwrite = XMLreader(filename, self.schema_1_0) |
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[ac5b69d] | 203 | valid = xmlreader.validate_xml() |
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[2e3b055] | 204 | self.assertTrue(valid) |
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[c6ca23d] | 205 | self._check_data(written_data) |
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| 206 | |
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[ea67541] | 207 | |
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| 208 | def test_processing_instructions(self): |
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| 209 | reader = XMLreader(self.isis_1_1, self.schema_1_1) |
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[ac5b69d] | 210 | valid = reader.validate_xml() |
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[ea67541] | 211 | if valid: |
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| 212 | ## find the processing instructions and make into a dictionary |
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[ac5b69d] | 213 | dic = self.get_processing_instructions(reader) |
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[3241dd2] | 214 | self.assertTrue(dic == {'xml-stylesheet': \ |
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| 215 | 'type="text/xsl" href="cansas1d.xsl" '}) |
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[ea67541] | 216 | |
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| 217 | xml = "<test><a><b><c></c></b></a></test>" |
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| 218 | xmldoc = minidom.parseString(xml) |
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| 219 | |
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| 220 | ## take the processing instructions and put them back in |
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[ac5b69d] | 221 | xmldoc = self.set_processing_instructions(xmldoc, dic) |
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[ea67541] | 222 | xml_output = xmldoc.toprettyxml() |
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| 223 | |
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| 224 | |
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[ac5b69d] | 225 | def set_processing_instructions(self, minidom_object, dic): |
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| 226 | xmlroot = minidom_object.firstChild |
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[ea67541] | 227 | for item in dic: |
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[ac5b69d] | 228 | pi = minidom_object.createProcessingInstruction(item, dic[item]) |
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| 229 | minidom_object.insertBefore(pi, xmlroot) |
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| 230 | return minidom_object |
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[ea67541] | 231 | |
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| 232 | |
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[ac5b69d] | 233 | def get_processing_instructions(self, xml_reader_object): |
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[ea67541] | 234 | dict = {} |
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[ac5b69d] | 235 | pi = xml_reader_object.xmlroot.getprevious() |
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[ea67541] | 236 | i = 0 |
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| 237 | while pi is not None: |
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| 238 | attr = {} |
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| 239 | pi_name = "" |
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| 240 | pi_string = etree.tostring(pi) |
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| 241 | if isinstance(pi_string, str): |
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| 242 | pi_string = pi_string.replace("<?", "").replace("?>", "") |
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| 243 | split = pi_string.split(" ", 1) |
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| 244 | pi_name = split[0] |
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| 245 | attr = split[1] |
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| 246 | dict[pi_name] = attr |
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| 247 | pi = pi.getprevious() |
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| 248 | return dict |
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| 249 | |
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[2e3b055] | 250 | |
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[4bdd4fdb] | 251 | if __name__ == '__main__': |
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[eda8972] | 252 | unittest.main() |
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