def test_parsing_with_no_localized_grammars(self):
mgr = ConvertibleParseManager(Grammar())
parse_tree1 = mgr.parse('message == "2009-07-13"')
parse_tree2 = mgr.parse('message == "2009-07-13"', None)
expected_tree = ConvertibleParseTree(
Equal(PlaceholderVariable("message"), String("2009-07-13")))
eq_(parse_tree1, parse_tree2)
eq_(parse_tree1, expected_tree)
def test_parsing_with_localized_grammars(self):
castilian_grammar = Grammar(decimal_separator=",",
thousands_separator=".")
mgr = ConvertibleParseManager(Grammar(), es=castilian_grammar)
parse_tree = mgr.parse(u"tráfico:peatones_cruzando_calle <= 3,00",
"es")
expected_tree = ConvertibleParseTree(
LessEqual(
PlaceholderVariable("peatones_cruzando_calle", (u"tráfico", )),
Number(3.0)))
eq_(parse_tree, expected_tree)
def test_unlimited_caching(self):
"""
The cache may have no limit.
If so, the cache counter will be disabled.
"""
manager = ConvertibleParseManager(Grammar(), cache_limit=None)
manager.parse('today == "2009-07-13"')
manager.parse('yesterday < "2009-07-13"')
manager.parse('tomorrow > "2009-07-13"')
manager.parse('hoy > "1999-01-06"')
manager.parse('ayer > "1999-01-06"')
# Checking the cache:
eq_(manager._cache.counter, 5)
eq_(len(manager._cache.cache_by_locale[None]), 5)
eq_(len(manager._cache.latest_expressions), 5)
def setUp(self):
castilian_grammar = Grammar(decimal_separator=",",
thousands_separator=".")
self.manager = ConvertibleParseManager(Grammar(),
cache_limit=3,
es=castilian_grammar)
