def test_string_to_symbols_parsing_one_right(self):
rule_string = "A->B P=0.4"
symbols = SymbolFinder.symbols_from_parsed_rule(
rule_string, self.symbols)
self.assertEqual(len(symbols), 2)
self.assertEqual(symbols[0], self.symbols[0])
self.assertEqual(symbols[1], self.symbols[1])
def _init_symbol_sequence(self, sentence: str):
"""
Fill the sequence array with the symbols found by the value of every character in the sentence
:param sentence: string
"""
self.sequence = [None] * len(sentence)
for i in range(len(sentence)):
self.sequence[i] = SymbolFinder.find_symbol_by_char(
self.grammar.terminalSymbols, sentence[i])
def __init_symbols_sequence(cyk_values: CykValues):
cyk_values.sequence = [None] * len(cyk_values.sentence)
for i in range(len(cyk_values.sentence)):
cyk_values.sequence[i] = SymbolFinder.find_symbol_by_char(cyk_values.grammar.terminalSymbols,
cyk_values.sentence[i])
def test_symbol_not_found(self):
value = "e"
found_symbol = SymbolFinder.find_symbol_by_char(self.symbols, value)
self.assertIsNone(found_symbol)
def test_find_symbol_by_char(self):
symbol = Symbol("B", SymbolType.ST_UNIVERSAL)
found_symbol = SymbolFinder.find_symbol_by_char(
self.symbols, symbol.value)
self.assertEqual(found_symbol, symbol)