def test_left2(self):
#basicConfig(level=DEBUG)
seq = Delayed()
letter = Any()
seq += letter | (seq & letter)
seq.config.clear().left_memoize().trace_stack(True)
p = seq.get_match_string()
results = list(p('abcdef'))
assert len(results) == 6, len(results)
assert results[0][0] == ['a'], results[0][0]
assert results[1][0] == ['a', 'b'], results[1][0]
def test_left2(self):
#basicConfig(level=DEBUG)
seq = Delayed()
letter = Any()
seq += letter | (seq & letter)
seq.config.clear().left_memoize().trace(True)
p = seq.get_match_string()
results = list(p('abcdef'))
assert len(results) == 6, len(results)
assert results[0][0] == ['a'], results[0][0]
assert results[1][0] == ['a', 'b'], results[1][0]
def test_left1b(self):
#basicConfig(level=DEBUG)
seq = Delayed()
letter = Any()
seq += Optional(seq) & letter
seq.config.clear().left_memoize().trace_stack(True)
p = seq.get_match_string()
results = list(p('ab'))
assert len(results) == 2, len(results)
assert results[0][0] == ['a', 'b'], results[0][0]
assert results[1][0] == ['a'], results[1][0]
def test_right(self):
#basicConfig(level=DEBUG)
seq = Delayed()
letter = Any()
seq += letter & Optional(seq)
#print(seq)
seq.config.clear().right_memoize().trace(True)
p = seq.get_match_string()
#print(p.matcher)
results = list(p('ab'))
assert len(results) == 2, len(results)
assert results[0][0] == ['a', 'b'], results[0][0]
assert results[1][0] == ['a'], results[1][0]
def test_right(self):
#basicConfig(level=DEBUG)
seq = Delayed()
letter = Any()
seq += letter & Optional(seq)
#print(seq.tree())
seq.config.clear().right_memoize().trace_stack(True)
#seq.config.clear().right_memoize()
p = seq.get_match_string()
#print(p.matcher.tree())
results = list(p('ab'))
assert len(results) == 2, len(results)
assert results[0][0] == ['a', 'b'], results[0][0]
assert results[1][0] == ['a'], results[1][0]
