tests/subfiles.py

Mon, 24 Jun 2019 10:16:36 +0300

author
Teemu Piippo <teemu@hecknology.net>
date
Mon, 24 Jun 2019 10:16:36 +0300
changeset 90
6ae063fd27dc
parent 89
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child 92
b8d72909d593
permissions
-rw-r--r--

fixed the collinear test for polygons with identical vertices

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1 from testsuite import problem_type, report_problem
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2 import testsuite
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3 from geometry import *
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4 import math
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5 from librarystandards import library_standards
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6
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7 @problem_type('zero-determinant',
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8 severity = 'hold',
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9 message = 'matrix row or column all zero'
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10 )
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11 def determinant_test(model):
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12 '''
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13 Checks all subfile references for matrices with rows or columns all
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14 zero.
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15 '''
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16 yield from (
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17 report_problem('zero-determinant', bad_object = subfile_reference)
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18 for subfile_reference in model.subfile_references
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19 if abs(subfile_reference.matrix.determinant() - 0) < 1e-15
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20 )
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21
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22 def scaling_description(scaling, axes = 'xyz'):
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23 '''
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24 Returns a pretty description of a scaling vector. The axes parameter
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25 controls what axes are printed and can be used to filter away
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26 uninteresting values.
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27 '''
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28 if isinstance(scaling, str):
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29 return scaling
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30 else:
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31 return ', '.join(
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32 str.format('{} = {}', letter, getattr(scaling, letter))
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33 for letter in axes
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34 )
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35
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36 def check_scaling(scaling, axes):
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37 ''' Returns whether all given axes on the given scaling vector are 1. '''
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38 return all(
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39 abs(getattr(scaling, axis) - 1) < 1e-5
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40 for axis in axes
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41 )
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42
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43 # Restriction to checking function mapping.
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44 restriction_tests = {
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45 'no scaling': lambda scaling: check_scaling(scaling, 'xyz'),
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46 'y-scaling only': lambda scaling: check_scaling(scaling, 'xz'),
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47 'stud3-like scaling': lambda scaling: all([
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48 check_scaling(scaling, 'xz'),
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49 # check if y-scaling is 1 or -1
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50 abs(abs(scaling.y) - 1) < 1e-5,
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51 ]),
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52 }
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53
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54 @problem_type('illegal-scaling',
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55 severity = 'hold',
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56 message = lambda primitive, scaling, axes:
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57 str.format('scaling of unscalable primitive {} ({})',
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58 primitive,
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59 scaling_description(scaling, axes),
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60 ),
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61 )
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62 def scaling_legality_test(model):
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63 '''
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64 Checks the part against primitive references with bad scaling. Some
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65 primitives (e.g. pegs) are not allowed to be scaled in the
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66 X or Z directions. Some (e.g. most studs) are not allowed to be scaled
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67 in the Y direction either.
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68 '''
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69 from fnmatch import fnmatch
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70 scaling_restrictions = library_standards['scaling restrictions']
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71 for subfile_reference in model.subfile_references:
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72 primitive = subfile_reference.subfile_path.lower()
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73 scaling = subfile_reference.matrix.scaling_vector()
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74 # Find all restrictions that apply to this subfile reference.
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75 restrictions = {
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76 restriction
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77 for pattern, restriction in scaling_restrictions.items()
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78 if fnmatch(primitive, pattern)
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79 }
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80 # Check restrictions against the subfile. If any restrictions were
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81 # found then the scaling vector must pass at least one of them.
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82 if restrictions and not any(
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83 restriction_tests[restriction](scaling)
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84 for restriction in restrictions
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85 ):
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86 interesting_axes = ''.join(
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87 axis
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88 for axis in 'xyz'
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89 if abs(getattr(scaling, axis) - 1) > 1e-5
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90 )
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91 yield report_problem('illegal-scaling',
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92 bad_object = subfile_reference,
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93 primitive = primitive,
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94 axes = interesting_axes,
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95 scaling = scaling,
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96 )
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97
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98 def subfile_references_with_invertnext(model):
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99 import linetypes
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100 has_invertnext = False
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101 for element in model.body:
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102 if isinstance(element, linetypes.MetaCommand) \
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103 and element.text == 'BFC INVERTNEXT':
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104 has_invertnext = True
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105 else:
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106 if isinstance(element, linetypes.SubfileReference):
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107 yield element, has_invertnext
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108 has_invertnext = False
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109
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110 @problem_type('cyclical-reference',
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111 severity = 'hold',
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112 message = lambda chain:
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113 str.format('cyclical subfile dependency: {chain}',
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114 **locals(),
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115 ),
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116 )
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117 @problem_type('bad-subfile',
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118 severity = 'hold',
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119 message = lambda path, problem_text:
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120 str.format('cannot process subfile "{path}": {problem_text}',
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121 **locals(),
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122 ),
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123 )
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124 @problem_type('moved-file-used',
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125 severity = 'hold',
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126 message = lambda moved_file, new_file:
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127 str.format('subfile "{moved_file}" has been moved to "{new_file}.dat"',
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128 **locals(),
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129 ),
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130 )
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131 @problem_type('unnecessary-scaling',
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132 severity = 'warning',
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133 message = lambda scaled_flat_dimensions, scaling_vector:
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134 str.format(
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135 'subfile unnecessarily scaled in the {dims} ({scaling})',
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136 dims = dimensions_description(scaled_flat_dimensions),
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137 scaling = scaling_description(scaling_vector),
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138 ),
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139 )
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140 @problem_type('unnecessary-invertnext',
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141 severity = 'warning',
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142 message = 'flat subfile unnecessarily inverted using BFC INVERTNEXT'
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143 )
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144 def dependent_subfile_tests(model):
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145 '''
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146 Tests subfile references for such qualities that are dependent on the
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147 actual contents of the subfiles. Checks whether moved-to files are used.
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148 Checks whether flat subfiles are scaled in the flat direction.
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149 '''
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150 import filecache
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151 cache = filecache.SubfileCache(model.ldraw_directories)
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diff changeset
152 failed_subfiles = set()
80
2f81758d1537 added a test for unnecessary invertnext use
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diff changeset
153 for subfile_reference, has_invertnext in subfile_references_with_invertnext(model):
54
0c686d10eb49 added tests for moved-to files and scaling in flat dimensions
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154 path = subfile_reference.subfile_path.lower()
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155 if path in failed_subfiles:
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156 # Already proven to be a bad apple, don't complain twice
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diff changeset
157 pass
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158 else:
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159 try:
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160 subfile = cache.prepare_file(path)
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161 except filecache.CyclicalReferenceError as e:
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diff changeset
162 failed_subfiles.add(path)
62
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163 yield report_problem(
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164 'cyclical-reference',
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165 bad_object = subfile_reference,
54
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166 chain = str(e),
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167 )
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diff changeset
168 if not subfile.valid:
62
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diff changeset
169 yield report_problem(
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170 'bad-subfile',
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171 bad_object = subfile_reference,
54
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diff changeset
172 path = path,
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173 problem_text = subfile.problem,
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diff changeset
174 )
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diff changeset
175 failed_subfiles.add(path)
55
388df1fa18a2 fixed handling of invalid subfiles
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diff changeset
176 else:
80
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diff changeset
177 # Test for use of moved-to files
55
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diff changeset
178 import re
85
4438502fd3e0 fixed the use of moved-to-files check not working if there were non-alphanumerics in the filename
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parents: 83
diff changeset
179 match = re.search(r'^\~Moved(?: to (.+))?$', subfile.description)
55
388df1fa18a2 fixed handling of invalid subfiles
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diff changeset
180 if match:
62
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181 yield report_problem(
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diff changeset
182 'moved-file-used',
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diff changeset
183 bad_object = subfile_reference,
55
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diff changeset
184 moved_file = path,
62
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diff changeset
185 new_file = match.group(1),
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diff changeset
186 )
80
2f81758d1537 added a test for unnecessary invertnext use
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187 # Test for scaling in flat direction
55
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188 scaling_vector = subfile_reference.matrix.scaling_vector()
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189 scaled_dimensions = {
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diff changeset
190 dimension
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diff changeset
191 for dimension in subfile.flatness
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diff changeset
192 if not math.isclose(
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parents: 54
diff changeset
193 getattr(scaling_vector, dimension),
388df1fa18a2 fixed handling of invalid subfiles
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diff changeset
194 1,
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diff changeset
195 abs_tol = 1.0e-05
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parents: 54
diff changeset
196 )
388df1fa18a2 fixed handling of invalid subfiles
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parents: 54
diff changeset
197 }
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parents: 54
diff changeset
198 scaled_flat_dimensions = subfile.flatness & scaled_dimensions
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diff changeset
199 if scaled_flat_dimensions:
62
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diff changeset
200 yield report_problem(
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diff changeset
201 'unnecessary-scaling',
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diff changeset
202 bad_object = subfile_reference,
55
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diff changeset
203 scaled_flat_dimensions = scaled_flat_dimensions,
388df1fa18a2 fixed handling of invalid subfiles
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parents: 54
diff changeset
204 scaling_vector = scaling_vector,
388df1fa18a2 fixed handling of invalid subfiles
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parents: 54
diff changeset
205 )
80
2f81758d1537 added a test for unnecessary invertnext use
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diff changeset
206 # Test whether a flat subfile is inverted using invertnext
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parents: 79
diff changeset
207 if has_invertnext and subfile.flatness:
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parents: 79
diff changeset
208 yield report_problem(
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Teemu Piippo <teemu@hecknology.net>
parents: 79
diff changeset
209 'unnecessary-invertnext',
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Teemu Piippo <teemu@hecknology.net>
parents: 79
diff changeset
210 bad_object = subfile_reference,
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Teemu Piippo <teemu@hecknology.net>
parents: 79
diff changeset
211 )
54
0c686d10eb49 added tests for moved-to files and scaling in flat dimensions
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parents: 37
diff changeset
212
0c686d10eb49 added tests for moved-to files and scaling in flat dimensions
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diff changeset
213 def dimensions_description(dimensions):
62
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diff changeset
214 if isinstance(dimensions, str):
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diff changeset
215 return dimensions
54
0c686d10eb49 added tests for moved-to files and scaling in flat dimensions
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parents: 37
diff changeset
216 else:
62
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diff changeset
217 sorted_dims = sorted(dimensions)
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diff changeset
218 if len(sorted_dims) == 1:
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diff changeset
219 return sorted_dims[0] + ' dimension'
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diff changeset
220 else:
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diff changeset
221 return str.format('{} and {} dimensions',
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diff changeset
222 ', '.join(sorted_dims[:-1]),
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diff changeset
223 sorted_dims[-1],
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parents: 55
diff changeset
224 )
54
0c686d10eb49 added tests for moved-to files and scaling in flat dimensions
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parents: 37
diff changeset
225
23
1b9645b7ddb0 added matrix all zero test
Santeri Piippo
parents:
diff changeset
226 manifest = {
62
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diff changeset
227 'tests': [
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diff changeset
228 determinant_test,
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diff changeset
229 scaling_legality_test,
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diff changeset
230 dependent_subfile_tests,
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parents: 55
diff changeset
231 ],
23
1b9645b7ddb0 added matrix all zero test
Santeri Piippo
parents:
diff changeset
232 }

mercurial