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test_treepattern.py
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test_treepattern.py
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import unittest
from trees import PropertyTree, IteratorTree
from rules import RuleParser
class TestIteratroTree(unittest.TestCase):
def setUp(self):
nodes = [IteratorTree() for _ in range(23)]
A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W = nodes
A.add_children(B)
B.add_children(C,D,E,F,G)
E.add_children(H,I,J,K,L)
H.add_children(M)
L.add_children(N)
J.add_children(O,P,Q,R,S)
P.add_children(T,U)
S.add_children(V,W)
letters = 'ABCDEFGHIJKLMNOPQRSTUVW'
self.__dict__.update(dict(zip(letters, nodes)))
for l in letters: self.__dict__[l].label=l
def test_ancestors(self):
a = frozenset(self.J.ancestor())
b = frozenset([self.E, self.B, self.A])
self.assertEqual(a,b)
def test_ancestors_or_self(self):
a = frozenset(self.J.ancestor_or_self())
b = frozenset([self.J, self.E, self.B, self.A])
self.assertEqual(a,b)
a = frozenset(self.J.ancestor_or_self(root=self.E))
b = frozenset([self.J, self.E])
self.assertEqual(a,b)
a = frozenset(self.J.ancestor_or_self(root=self.J))
b = frozenset([self.J])
self.assertEqual(a,b)
def test_decendant(self):
a = frozenset(self.J.descendant())
#print([x.label for x in a])
b = frozenset([self.O,self.P,self.Q,self.R,
self.S,self.T,self.U,self.V,self.W])
self.assertEqual(a,b)
def test_decendant_or_self(self):
a = frozenset(self.J.descendant_or_self())
b = frozenset([self.J,self.O,self.P,self.Q,self.R,
self.S,self.T,self.U,self.V,self.W])
self.assertEqual(a,b)
def test_sibling(self):
a = frozenset(self.J.sibling())
b = frozenset([self.H,self.I,self.K,self.L])
self.assertEqual(a,b)
def test_sibling_or_self(self):
a = frozenset(self.J.sibling_or_self())
b = frozenset([self.H,self.I,self.J,self.K,self.L])
self.assertEqual(a,b)
def test_following(self):
a = frozenset(self.J.following())
b = frozenset([self.F, self.G, self.K, self.L, self.N])
self.assertEqual(a,b)
def test_following_sibling(self):
a = frozenset(self.J.following_sibling())
b = frozenset([self.K, self.L])
self.assertEqual(a,b)
def test_preceding(self):
a = frozenset(self.J.preceding())
b = frozenset([self.C, self.D, self.H, self.I, self.M])
self.assertEqual(a,b)
def test_preceding_sibling(self):
a = frozenset(self.J.preceding_sibling())
b = frozenset([self.H, self.I])
self.assertEqual(a,b)
def test_imidiate_following(self):
a = frozenset( self.O.imidiate_following() )
b = frozenset([self.P, self.T])
self.assertEqual(a,b)
a = frozenset(self.J.imidiate_following())
b = frozenset([self.K])
self.assertEqual(a,b)
a = frozenset(self.W.imidiate_following())
b = frozenset([self.K])
self.assertEqual(a,b)
a = frozenset( self.U.imidiate_following(root=self.P) )
b = frozenset([])
self.assertEqual(a,b)
a = frozenset( self.O.imidiate_following(root=self.O) )
b = frozenset([])
self.assertEqual(a,b)
def test_no_preceding(self):
a = frozenset(self.E.no_preceding())
b = frozenset([self.E, self.H, self.M])
self.assertEqual(a,b)
class TestRuleParser(unittest.TestCase):
def setUp(self):
self.parser = RuleParser()
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'}}))
def test_relations_and_transformation(self):
rules_str = """
VP : VBP NP PP : VBP -> NP, PP -> VBP : VBP
"""
rule = self.parser.parse_rules(rules_str)[0]
self.assertEqual(len(rule.relations), 2)
self.assertEqual(rule.relations[0], ('VBP', 'NP'))
self.assertEqual(rule.relations[1], ('PP', 'VBP'))
self.assertEqual(rule.transformation, 'VBP')
def test_string_replacement(self):
rules_str = """
DT : a : : indefinite
"""
rule = self.parser.parse_rules(rules_str)[0]
self.assertEqual(len(rule.relations), 0)
self.assertEqual(rule.transformation, 'indefinite')
if __name__ == '__main__':
unittest.main()