def test_patter_simple(self):
rules_str = """
S : NP VP ::
"""
rule = self.parser.parse_rules(rules_str)[0]
self.assertEqual(rule.head,
RuleParser.PatternToken('S', {'label': {'S'}}))
self.assertEqual(rule.pattern[0],
RuleParser.PatternToken('NP', {'label': {'NP'}}))
self.assertEqual(rule.pattern[1],
RuleParser.PatternToken('VP', {'label': {'VP'}}))
def test_patter_complex(self):
rules_str = """
S[type=animal] : NP[a={c,x}, b=0] VP ::
"""
rule = self.parser.parse_rules(rules_str)[0]
self.assertEqual(
rule.head,
RuleParser.PatternToken('S', {
'label': {'S'},
'type': {'animal'}
}))
self.assertEqual(
rule.pattern[0],
RuleParser.PatternToken('NP', {
'label': {'NP'},
'a': {'c', 'x'},
'b': {'0'}
}))
self.assertEqual(rule.pattern[1],
RuleParser.PatternToken('VP', {'label': {'VP'}}))