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annotate service/mqtt_to_rdf/inference_test.py @ 1671:2b905c07e82b

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try a bnode test mode improvement, but it's not so useful if you parse graphs with reused bnodes in them
author drewp@bigasterisk.com
date Tue, 21 Sep 2021 23:21:38 -0700
parents 4fd9fdfcf16a
children 23beadd3e83a
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1 """
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2 also see https://github.com/w3c/N3/tree/master/tests/N3Tests
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3 """
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4 import unittest
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5 from decimal import Decimal
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6 from typing import cast
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7
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8 from rdflib import ConjunctiveGraph, Graph, Literal, Namespace
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9 from rdflib.parser import StringInputSource
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10
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11 from inference import Inference
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12 from rdflib_debug_patches import patchBnodeCounter, patchSlimReprs
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13
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14 patchSlimReprs()
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15 patchBnodeCounter()
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16
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17 EX = Namespace('http://example.com/')
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18 ROOM = Namespace('http://projects.bigasterisk.com/room/')
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19
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20
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21 def N3(txt: str):
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22 g = ConjunctiveGraph()
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23 prefix = """
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24 @prefix : <http://projects.bigasterisk.com/room/> .
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25 @prefix ex: <http://example.com/> .
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26 @prefix room: <http://projects.bigasterisk.com/room/> .
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27 @prefix math: <http://www.w3.org/2000/10/swap/math#> .
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28 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
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29 """
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30 g.parse(StringInputSource((prefix + txt).encode('utf8')), format='n3')
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31 return g
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32
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33
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34 def makeInferenceWithRules(n3):
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35 inf = Inference()
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36 inf.setRules(N3(n3))
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37 return inf
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38
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39
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40 class WithGraphEqual(unittest.TestCase):
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41
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42 def assertGraphEqual(self, g: Graph, expected: Graph):
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43 stmts1 = list(g.triples((None, None, None)))
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44 stmts2 = list(expected.triples((None, None, None)))
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45 self.assertCountEqual(stmts1, stmts2)
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47
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48 class TestInferenceWithoutVars(WithGraphEqual):
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49
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50 def testEmitNothing(self):
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51 inf = makeInferenceWithRules("")
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52 implied = inf.infer(N3(":a :b :c ."))
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53 self.assertEqual(len(implied), 0)
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54
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55 def testSimple(self):
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56 inf = makeInferenceWithRules("{ :a :b :c . } => { :a :b :new . } .")
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57 implied = inf.infer(N3(":a :b :c ."))
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58 self.assertGraphEqual(implied, N3(":a :b :new ."))
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59
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60 def testTwoRounds(self):
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61 inf = makeInferenceWithRules("""
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62 { :a :b :c . } => { :a :b :new1 . } .
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63 { :a :b :new1 . } => { :a :b :new2 . } .
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64 """)
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65
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66 implied = inf.infer(N3(":a :b :c ."))
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67 self.assertGraphEqual(implied, N3(":a :b :new1, :new2 ."))
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68
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69
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70 class TestNonRuleStatements(WithGraphEqual):
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71
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72 def test(self):
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73 inf = makeInferenceWithRules(":d :e :f . { :a :b :c . } => { :a :b :new . } .")
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74 self.assertCountEqual(inf.nonRuleStatements(), [(ROOM.d, ROOM.e, ROOM.f)])
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75
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76
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77 class TestInferenceWithVars(WithGraphEqual):
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78
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79 def testVarInSubject(self):
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80 inf = makeInferenceWithRules("{ ?x :b :c . } => { :new :stmt ?x } .")
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81 implied = inf.infer(N3(":a :b :c ."))
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82 self.assertGraphEqual(implied, N3(":new :stmt :a ."))
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83
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84 def testVarInObject(self):
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85 inf = makeInferenceWithRules("{ :a :b ?x . } => { :new :stmt ?x } .")
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86 implied = inf.infer(N3(":a :b :c ."))
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87 self.assertGraphEqual(implied, N3(":new :stmt :c ."))
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88
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89 def testVarMatchesTwice(self):
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90 inf = makeInferenceWithRules("{ :a :b ?x . } => { :new :stmt ?x } .")
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91 implied = inf.infer(N3(":a :b :c, :d ."))
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92 self.assertGraphEqual(implied, N3(":new :stmt :c, :d ."))
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93
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94 def testTwoRulesApplyIndependently(self):
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95 inf = makeInferenceWithRules("""
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96 { :a :b ?x . } => { :new :stmt ?x . } .
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97 { :d :e ?y . } => { :new :stmt2 ?y . } .
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98 """)
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99 implied = inf.infer(N3(":a :b :c ."))
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100 self.assertGraphEqual(implied, N3("""
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101 :new :stmt :c .
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102 """))
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103 implied = inf.infer(N3(":a :b :c . :d :e :f ."))
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104 self.assertGraphEqual(implied, N3("""
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105 :new :stmt :c .
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106 :new :stmt2 :f .
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107 """))
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108
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109 def testOneRuleActivatesAnother(self):
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110 inf = makeInferenceWithRules("""
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111 { :a :b ?x . } => { :new :stmt ?x . } .
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112 { ?y :stmt ?z . } => { :new :stmt2 ?y . } .
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113 """)
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114 implied = inf.infer(N3(":a :b :c ."))
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115 self.assertGraphEqual(implied, N3("""
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116 :new :stmt :c .
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117 :new :stmt2 :new .
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118 """))
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119
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120 def testVarLinksTwoStatements(self):
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121 inf = makeInferenceWithRules("{ :a :b ?x . :d :e ?x } => { :new :stmt ?x } .")
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122 implied = inf.infer(N3(":a :b :c ."))
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123 self.assertGraphEqual(implied, N3(""))
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124 implied = inf.infer(N3(":a :b :c . :d :e :f ."))
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125 self.assertGraphEqual(implied, N3(""))
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126 implied = inf.infer(N3(":a :b :c . :d :e :c ."))
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127 self.assertGraphEqual(implied, N3(":new :stmt :c ."))
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128
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129 def testRuleMatchesStaticStatement(self):
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130 inf = makeInferenceWithRules("{ :a :b ?x . :a :b :c . } => { :new :stmt ?x } .")
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131 implied = inf.infer(N3(":a :b :c ."))
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132 self.assertGraphEqual(implied, N3(":new :stmt :c ."))
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133
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134
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135 class TestBnodeMatching(WithGraphEqual):
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136
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137 def testRuleBnodeBindsToInputBnode(self):
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138 inf = makeInferenceWithRules("{ [ :a :b ] . } => { :new :stmt :here } .")
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139 implied = inf.infer(N3("[ :a :b ] ."))
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140 self.assertGraphEqual(implied, N3(":new :stmt :here ."))
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141
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142 def testRuleVarBindsToInputBNode(self):
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143 inf = makeInferenceWithRules("{ ?z :a :b . } => { :new :stmt :here } .")
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144 implied = inf.infer(N3("[] :a :b ."))
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145 self.assertGraphEqual(implied, N3(":new :stmt :here ."))
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146
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147
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148 class TestBnodeAliasingSetup(WithGraphEqual):
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149
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150 def setUp(self):
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151 self.inf = makeInferenceWithRules("""
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152 {
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153 ?var0 :a ?x; :b ?y .
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154 } => {
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155 :xVar :value ?x .
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156 :yVar :value ?y .
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157 } .
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158 """)
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159
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160 def assertResult(self, actual):
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161 self.assertGraphEqual(actual, N3("""
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162 :xVar :value :x0, :x1 .
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163 :yVar :value :y0, :y1 .
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164 """))
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165
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166 def testMatchesDistinctStatements(self):
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167 implied = self.inf.infer(N3("""
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168 :stmt0 :a :x0; :b :y0 .
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169 :stmt1 :a :x1; :b :y1 .
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170 """))
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171 self.assertResult(implied)
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172
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173 def testMatchesDistinctBnodes(self):
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174 implied = self.inf.infer(N3("""
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175 [ :a :x0; :b :y0 ] .
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176 [ :a :x1; :b :y1 ] .
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177 """))
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178 self.assertResult(implied)
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179
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180
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181 class TestBnodeGenerating(WithGraphEqual):
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182
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183 def testRuleBnodeMakesNewBnode(self):
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184 inf = makeInferenceWithRules("{ [ :a :b ] . } => { [ :c :d ] } .")
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185 implied = inf.infer(N3("[ :a :b ] ."))
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186 ruleNode = list(inf.rules[0].rhsGraph)[0]
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187 stmt0Node = list(implied)[0][0]
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188 self.assertNotEqual(ruleNode, stmt0Node)
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189
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190 def testRuleBnodeMakesNewBnodesEachTime(self):
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191 inf = makeInferenceWithRules("{ [ :a ?x ] . } => { [ :c :d ] } .")
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192 implied = inf.infer(N3("[ :a :b, :e ] ."))
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193 ruleNode = list(inf.rules[0].rhsGraph)[0]
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194 stmt0Node = list(implied)[0][0]
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195 stmt1Node = list(implied)[1][0]
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196
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197 self.assertNotEqual(ruleNode, stmt0Node)
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198 self.assertNotEqual(ruleNode, stmt1Node)
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199 self.assertNotEqual(stmt0Node, stmt1Node)
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200
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201
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202 class TestSelfFulfillingRule(WithGraphEqual):
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203
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204 def test1(self):
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205 inf = makeInferenceWithRules("{ } => { :new :stmt :x } .")
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206 self.assertGraphEqual(inf.infer(N3("")), N3(":new :stmt :x ."))
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207 self.assertGraphEqual(inf.infer(N3(":any :any :any .")), N3(":new :stmt :x ."))
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208
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209 # def test2(self):
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210 # inf = makeInferenceWithRules("{ (2) math:sum ?x } => { :new :stmt ?x } .")
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211 # self.assertGraphEqual(inf.infer(N3("")), N3(":new :stmt 2 ."))
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212
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213 # @unittest.skip("too hard for now")
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214 # def test3(self):
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215 # inf = makeInferenceWithRules("{ :a :b :c . :a :b ?x . } => { :new :stmt ?x } .")
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216 # self.assertGraphEqual(inf.infer(N3("")), N3(":new :stmt :c ."))
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217
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218
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219 class TestInferenceWithMathFunctions(WithGraphEqual):
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220
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221 def testBoolFilter(self):
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222 inf = makeInferenceWithRules("{ :a :b ?x . ?x math:greaterThan 5 } => { :new :stmt ?x } .")
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223 self.assertGraphEqual(inf.infer(N3(":a :b 3 .")), N3(""))
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224 self.assertGraphEqual(inf.infer(N3(":a :b 5 .")), N3(""))
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225 self.assertGraphEqual(inf.infer(N3(":a :b 6 .")), N3(":new :stmt 6 ."))
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226
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227 def testNonFiringMathRule(self):
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228 inf = makeInferenceWithRules("{ :a :b ?x . (?x 1) math:sum ?y } => { :new :stmt ?y } .")
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229 self.assertGraphEqual(inf.infer(N3("")), N3(""))
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230
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231 def testStatementGeneratingRule(self):
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232 inf = makeInferenceWithRules("{ :a :b ?x . (?x) math:sum ?y } => { :new :stmt ?y } .")
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233 self.assertGraphEqual(inf.infer(N3(":a :b 3 .")), N3(":new :stmt 3 ."))
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234
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235 def test2Operands(self):
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236 inf = makeInferenceWithRules("{ :a :b ?x . (?x 1) math:sum ?y } => { :new :stmt ?y } .")
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237 self.assertGraphEqual(inf.infer(N3(":a :b 3 .")), N3(":new :stmt 4 ."))
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238
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239 def test3Operands(self):
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240 inf = makeInferenceWithRules("{ :a :b ?x . (2 ?x 2) math:sum ?y } => { :new :stmt ?y } .")
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241 self.assertGraphEqual(inf.infer(N3(":a :b 2 .")), N3(":new :stmt 6 ."))
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242
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243 # def test0Operands(self):
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244 # inf = makeInferenceWithRules("{ :a :b ?x . () math:sum ?y } => { :new :stmt ?y } .")
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245 # self.assertGraphEqual(inf.infer(N3(":a :b 2 .")), N3(":new :stmt 0 ."))
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246
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247
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248 class TestInferenceWithCustomFunctions(WithGraphEqual):
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249
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250 def testAsFarenheit(self):
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251 inf = makeInferenceWithRules("{ :a :b ?x . ?x room:asFarenheit ?f } => { :new :stmt ?f } .")
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252 self.assertGraphEqual(inf.infer(N3(":a :b 12 .")), N3(":new :stmt 53.6 ."))
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253
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254 def testChildResource(self):
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255 inf = makeInferenceWithRules("{ :a :b ?x . (:c ?x) room:childResource ?y .} => { :new :stmt ?y } .")
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256 self.assertGraphEqual(inf.infer(N3(':a :b "foo" .')), N3(":new :stmt <http://projects.bigasterisk.com/room/c/foo> ."))
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257
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258 def testChildResourceSegmentQuoting(self):
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259 inf = makeInferenceWithRules("{ :a :b ?x . (:c ?x) room:childResource ?y .} => { :new :stmt ?y } .")
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260 self.assertGraphEqual(inf.infer(N3(':a :b "b / w -> #." .')),
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261 N3(":new :stmt <http://projects.bigasterisk.com/room/c/b%20%2F%20w%20-%3E%20%23.> ."))
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262
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263
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264 class TestUseCases(WithGraphEqual):
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265
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266 def testSimpleTopic(self):
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267 inf = makeInferenceWithRules('''
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268 { ?msg :body "online" . } => { ?msg :onlineTerm :Online . } .
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269 { ?msg :body "offline" . } => { ?msg :onlineTerm :Offline . } .
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270
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271 {
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272 ?msg a :MqttMessage ;
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273 :topic :foo;
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274 :onlineTerm ?onlineness . } => {
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275 :frontDoorLockStatus :connectedStatus ?onlineness .
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276 } .
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277 ''')
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278
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279 out = inf.infer(N3('[] a :MqttMessage ; :body "online" ; :topic :foo .'))
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280 self.assertIn((ROOM['frontDoorLockStatus'], ROOM['connectedStatus'], ROOM['Online']), out)
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281
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282 def testTopicIsList(self):
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283 inf = makeInferenceWithRules('''
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284 { ?msg :body "online" . } => { ?msg :onlineTerm :Online . } .
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285 { ?msg :body "offline" . } => { ?msg :onlineTerm :Offline . } .
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286
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287 {
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288 ?msg a :MqttMessage ;
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289 :topic ( "frontdoorlock" "status" );
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290 :onlineTerm ?onlineness . } => {
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291 :frontDoorLockStatus :connectedStatus ?onlineness .
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292 } .
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293 ''')
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294
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295 out = inf.infer(N3('[] a :MqttMessage ; :body "online" ; :topic ( "frontdoorlock" "status" ) .'))
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296 self.assertIn((ROOM['frontDoorLockStatus'], ROOM['connectedStatus'], ROOM['Online']), out)
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297
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298 def testPerformance0(self):
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299 inf = makeInferenceWithRules('''
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300 {
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301 ?msg a :MqttMessage;
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302 :topic :topic1;
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303 :bodyFloat ?valueC .
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304 ?valueC math:greaterThan -999 .
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305 ?valueC room:asFarenheit ?valueF .
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306 } => {
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307 :airQualityIndoorTemperature :temperatureF ?valueF .
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308 } .
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309 ''')
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310 out = inf.infer(
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311 N3('''
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312 <urn:uuid:c6e1d92c-0ee1-11ec-bdbd-2a42c4691e9a> a :MqttMessage ;
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313 :body "23.9" ;
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314 :bodyFloat 2.39e+01 ;
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315 :topic :topic1 .
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316 '''))
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317
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318 vlit = cast(Literal, out.value(ROOM['airQualityIndoorTemperature'], ROOM['temperatureF']))
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319 valueF = cast(Decimal, vlit.toPython())
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320 self.assertAlmostEqual(float(valueF), 75.02)
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321
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322 def testPerformance1(self):
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323 inf = makeInferenceWithRules('''
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324 {
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325 ?msg a :MqttMessage;
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326 :topic ( "air_quality_indoor" "sensor" "bme280_temperature" "state" );
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327 :bodyFloat ?valueC .
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328 ?valueC math:greaterThan -999 .
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329 ?valueC room:asFarenheit ?valueF .
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330 } => {
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331 :airQualityIndoorTemperature :temperatureF ?valueF .
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332 } .
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333 ''')
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334 out = inf.infer(
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335 N3('''
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336 <urn:uuid:c6e1d92c-0ee1-11ec-bdbd-2a42c4691e9a> a :MqttMessage ;
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337 :body "23.9" ;
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338 :bodyFloat 2.39e+01 ;
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339 :topic ( "air_quality_indoor" "sensor" "bme280_temperature" "state" ) .
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340 '''))
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341 vlit = cast(Literal, out.value(ROOM['airQualityIndoorTemperature'], ROOM['temperatureF']))
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342 valueF = cast(Decimal, vlit.toPython())
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343 self.assertAlmostEqual(float(valueF), 75.02)
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344
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345 def testEmitBnodes(self):
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346 inf = makeInferenceWithRules('''
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347 { ?s a :AirQualitySensor; :label ?name . } => {
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348 [ a :MqttStatementSource;
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349 :mqttTopic (?name "sensor" "bme280_temperature" "state") ] .
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350 } .
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351 ''')
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352 out = inf.infer(N3('''
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353 :airQualityOutdoor a :AirQualitySensor; :label "air_quality_outdoor" .
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354 '''))
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355 out.bind('', ROOM)
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356 out.bind('ex', EX)
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357 self.assertEqual(
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358 out.serialize(format='n3'), b'''\
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359 @prefix : <http://projects.bigasterisk.com/room/> .
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360 @prefix ex: <http://example.com/> .
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361 @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
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362 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
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363 @prefix xml: <http://www.w3.org/XML/1998/namespace> .
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364 @prefix xsd: <http://www.w3.org/2001/XMLSchema#> .
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365
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366 [] a :MqttStatementSource ;
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367 :mqttTopic ( "air_quality_outdoor" "sensor" "bme280_temperature" "state" ) .
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368
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369 ''')
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370
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371
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372 class TestListPerformance(WithGraphEqual):
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373
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374 def testList1(self):
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375 inf = makeInferenceWithRules("{ :a :b (:e0) . } => { :new :stmt :here } .")
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376 implied = inf.infer(N3(":a :b (:e0) ."))
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377 self.assertGraphEqual(implied, N3(":new :stmt :here ."))
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378
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379 def testList2(self):
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380 inf = makeInferenceWithRules("{ :a :b (:e0 :e1) . } => { :new :stmt :here } .")
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381 implied = inf.infer(N3(":a :b (:e0 :e1) ."))
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382 self.assertGraphEqual(implied, N3(":new :stmt :here ."))
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383
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384 def testList3(self):
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385 inf = makeInferenceWithRules("{ :a :b (:e0 :e1 :e2) . } => { :new :stmt :here } .")
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386 implied = inf.infer(N3(":a :b (:e0 :e1 :e2) ."))
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387 self.assertGraphEqual(implied, N3(":new :stmt :here ."))
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388
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389 # def testList4(self):
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390 # inf = makeInferenceWithRules("{ :a :b (:e0 :e1 :e2 :e3) . } => { :new :stmt :here } .")
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391 # implied = inf.infer(N3(":a :b (:e0 :e1 :e2 :e3) ."))
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392 # self.assertGraphEqual(implied, N3(":new :stmt :here ."))