def test_settings(self):
settings = {'superset_right_in_is_subset': False,
'set_right_in_contains': None}
grammar = Grammar(settings)
# Checking the new settings:
eq_(grammar.get_setting("superset_right_in_is_subset"), False)
eq_(grammar.get_setting("set_right_in_contains"), None)
# Everything else must have not changed:
eq_(grammar.get_setting("optional_positive_sign"), True)
def test_settings(self):
settings = {
'superset_right_in_is_subset': False,
'set_right_in_contains': None
}
grammar = Grammar(settings)
# Checking the new settings:
eq_(grammar.get_setting("superset_right_in_is_subset"), False)
eq_(grammar.get_setting("set_right_in_contains"), None)
# Everything else must have not changed:
eq_(grammar.get_setting("optional_positive_sign"), True)
class TestDefaultGrammar(object):
"""Tests for the grammar with the default properties, at least initially."""
def setUp(self):
self.grammar = Grammar()
#{ Token handling stuff
def test_default_tokens(self):
"""All the tokens must have an initial value."""
# Logical connectives:
eq_(self.grammar.get_token("not"), "~")
eq_(self.grammar.get_token("and"), "&")
eq_(self.grammar.get_token("or"), "|")
eq_(self.grammar.get_token("xor"), "^")
# Relational operators
eq_(self.grammar.get_token("eq"), "==")
eq_(self.grammar.get_token("ne"), "!=")
eq_(self.grammar.get_token("lt"), "<")
eq_(self.grammar.get_token("gt"), ">")
eq_(self.grammar.get_token("le"), "<=")
eq_(self.grammar.get_token("ge"), ">=")
# Set operators
eq_(self.grammar.get_token("belongs_to"), u"∈")
eq_(self.grammar.get_token("is_subset"), u"⊂")
eq_(self.grammar.get_token("set_start"), "{")
eq_(self.grammar.get_token("set_end"), "}")
eq_(self.grammar.get_token("element_separator"), ",")
# Grouping marks
eq_(self.grammar.get_token("string_start"), '"')
eq_(self.grammar.get_token("string_end"), '"')
eq_(self.grammar.get_token("group_start"), "(")
eq_(self.grammar.get_token("group_end"), ")")
# Function call stuff
eq_(self.grammar.get_token("arguments_start"), "(")
eq_(self.grammar.get_token("arguments_end"), ")")
eq_(self.grammar.get_token("arguments_separator"), ",")
# Numeric stuff
eq_(self.grammar.get_token("positive_sign"), "+")
eq_(self.grammar.get_token("negative_sign"), "-")
eq_(self.grammar.get_token("decimal_separator"), ".")
eq_(self.grammar.get_token("thousands_separator"), ",")
# Miscellaneous
eq_(self.grammar.get_token("identifier_spacing"), "_")
eq_(self.grammar.get_token("namespace_separator"), ":")
def test_setting_existing_token(self):
self.grammar.set_token("negative_sign", "!")
eq_(self.grammar.get_token("negative_sign"), "!")
def test_requesting_non_existing_token(self):
assert_raises(GrammarError, self.grammar.get_token, "non_existing")
def test_setting_non_existing_token(self):
assert_raises(GrammarError, self.grammar.set_token, "non_existing", "-")
#{ Setting handling stuff
def test_default_settings(self):
eq_(self.grammar.get_setting("superset_right_in_is_subset"), True)
eq_(self.grammar.get_setting("set_right_in_contains"), True)
eq_(self.grammar.get_setting("optional_positive_sign"), True)
def test_setting_existing_setting(self):
self.grammar.set_setting("set_right_in_contains", False)
eq_(self.grammar.get_setting("set_right_in_contains"), False)
def test_requesting_non_existing_setting(self):
assert_raises(GrammarError, self.grammar.get_setting, "non_existing")
def test_setting_non_existing_setting(self):
assert_raises(GrammarError, self.grammar.set_setting, "non_existing",
None)
#{ Custom generator handling stuff
def test_no_custom_generators_by_default(self):
"""There must not be custom generators by default."""
eq_(self.grammar.get_custom_generator("operation"), None)
eq_(self.grammar.get_custom_generator("string"), None)
eq_(self.grammar.get_custom_generator("number"), None)
def test_setting_existing_generator(self):
mock_generator = lambda: None
self.grammar.set_custom_generator("number", mock_generator)
eq_(self.grammar.get_custom_generator("number"), mock_generator)
def test_requesting_non_existing_generator(self):
assert_raises(GrammarError, self.grammar.get_custom_generator,
"non_existing")
def test_setting_non_existing_generator(self):
mock_generator = lambda: None
assert_raises(GrammarError, self.grammar.set_custom_generator,
"non_existing", mock_generator)
class TestDefaultGrammar(object):
"""Tests for the grammar with the default properties, at least initially."""
def setUp(self):
self.grammar = Grammar()
# Token handling stuff
def test_default_tokens(self):
"""All the tokens must have an initial value."""
# Logical connectives:
eq_(self.grammar.get_token("not"), "~")
eq_(self.grammar.get_token("and"), "&")
eq_(self.grammar.get_token("or"), "|")
eq_(self.grammar.get_token("xor"), "^")
# Relational operators
eq_(self.grammar.get_token("eq"), "==")
eq_(self.grammar.get_token("ne"), "!=")
eq_(self.grammar.get_token("lt"), "<")
eq_(self.grammar.get_token("gt"), ">")
eq_(self.grammar.get_token("le"), "<=")
eq_(self.grammar.get_token("ge"), ">=")
# Set operators
eq_(self.grammar.get_token("belongs_to"), u"∈")
eq_(self.grammar.get_token("is_subset"), u"⊂")
eq_(self.grammar.get_token("set_start"), "{")
eq_(self.grammar.get_token("set_end"), "}")
eq_(self.grammar.get_token("element_separator"), ",")
# Grouping marks
eq_(self.grammar.get_token("string_start"), '"')
eq_(self.grammar.get_token("string_end"), '"')
eq_(self.grammar.get_token("group_start"), "(")
eq_(self.grammar.get_token("group_end"), ")")
# Function call stuff
eq_(self.grammar.get_token("arguments_start"), "(")
eq_(self.grammar.get_token("arguments_end"), ")")
eq_(self.grammar.get_token("arguments_separator"), ",")
# Numeric stuff
eq_(self.grammar.get_token("positive_sign"), "+")
eq_(self.grammar.get_token("negative_sign"), "-")
eq_(self.grammar.get_token("decimal_separator"), ".")
eq_(self.grammar.get_token("thousands_separator"), ",")
# Miscellaneous
eq_(self.grammar.get_token("identifier_spacing"), "_")
eq_(self.grammar.get_token("namespace_separator"), ":")
def test_get_all_tokens(self):
eq_(self.grammar.get_all_tokens(), self.grammar.default_tokens)
def test_setting_existing_token(self):
self.grammar.set_token("negative_sign", "!")
eq_(self.grammar.get_token("negative_sign"), "!")
def test_requesting_non_existing_token(self):
assert_raises(GrammarError, self.grammar.get_token, "non_existing")
def test_setting_non_existing_token(self):
assert_raises(GrammarError, self.grammar.set_token, "non_existing",
"-")
# Setting handling stuff
def test_default_settings(self):
eq_(self.grammar.get_setting("superset_right_in_is_subset"), True)
eq_(self.grammar.get_setting("set_right_in_contains"), True)
eq_(self.grammar.get_setting("optional_positive_sign"), True)
def test_setting_existing_setting(self):
self.grammar.set_setting("set_right_in_contains", False)
eq_(self.grammar.get_setting("set_right_in_contains"), False)
def test_requesting_non_existing_setting(self):
assert_raises(GrammarError, self.grammar.get_setting, "non_existing")
def test_setting_non_existing_setting(self):
assert_raises(GrammarError, self.grammar.set_setting, "non_existing",
None)
# Custom generator handling stuff
def test_no_custom_generators_by_default(self):
"""There must not be custom generators by default."""
eq_(self.grammar.get_custom_generator("operation"), None)
eq_(self.grammar.get_custom_generator("string"), None)
eq_(self.grammar.get_custom_generator("number"), None)
def test_setting_existing_generator(self):
mock_generator = lambda: None
self.grammar.set_custom_generator("number", mock_generator)
eq_(self.grammar.get_custom_generator("number"), mock_generator)
def test_requesting_non_existing_generator(self):
assert_raises(GrammarError, self.grammar.get_custom_generator,
"non_existing")
def test_setting_non_existing_generator(self):
mock_generator = lambda: None
assert_raises(GrammarError, self.grammar.set_custom_generator,
"non_existing", mock_generator)
