def test_generator_support(self):
"""This will naturally go away if i factor out .copy"""
t1 = token()
t3 = t1.copy(children=(token() for i in range(3)))
assert len(t3.children) == 3
assert type(t3.children) is tuple
t4 = t1.copy(properties=((i, i) for i in range(3)))
assert len(t4.properties) == 3
from collections import Mapping
assert isinstance(t4.properties, Mapping)
def test_generator_support(self):
"""This will naturally go away if i factor out .copy"""
t1 = token()
t3 = t1.copy(children=(token() for i in range(3)))
assert len(t3.children) == 3
assert type(t3.children) is tuple
t4 = t1.copy(properties=((i, i) for i in range(3)))
assert len(t4.properties) == 3
from collections import Mapping
assert isinstance(t4.properties, Mapping)
def test_repr(self):
"""token classes should have a simple representation"""
assert str(token) == "('token',)"
assert repr(token) == repr(token())
# a copy of token
token2 = token(a=1)
assert repr(token2) == "('token', {'a': 1})", repr(token2)
class token3(token):
"""a subclass of `token'"""
pass
assert repr(token3) == "('token3',)"
def test_repr(self):
"""token classes should have a simple representation"""
assert str(token) == "('token',)"
assert repr(token) == repr(token())
# a copy of token
token2 = token(a=1)
assert repr(token2) == "('token', {'a': 1})", repr(token2)
class token3(token):
"""a subclass of `token'"""
pass
assert repr(token3) == "('token3',)"
def test_no_object_attributes(self):
t = token(token, a=1)
with assert_raises_exactly(TypeError, 'token objects are read-only'):
t.properties = {'b': 2}
with assert_raises_exactly(TypeError, 'token objects are read-only'):
del t.children
def test_no_object_attributes(self):
t = token(token, a=1)
with assert_raises_exactly(TypeError, 'token objects are read-only'):
t.properties = {'b':2}
with assert_raises_exactly(TypeError, 'token objects are read-only'):
del t.children
def test_object_attrs_immutable(self):
t = token(token, a=1)
with assert_raises_exactly(
TypeError,
"'FrozenDict' object does not support item assignment",
):
t.properties['b'] = 2
with assert_raises_exactly(
AttributeError,
"'tuple' object has no attribute 'append'",
):
t.children.append('wat')
def test_object_attrs_immutable(self):
t = token(token, a=1)
with assert_raises_exactly(
TypeError,
"'FrozenDict' object does not support item assignment",
):
t.properties['b'] = 2
with assert_raises_exactly(
AttributeError,
"'tuple' object has no attribute 'append'",
):
t.children.append('wat')
def test_copy(self):
"""secondary interface for copying tokens"""
t1 = token()
t2 = t1.copy()
assert t1 == t2, (t1, t2)
def test_copy(self):
"""secondary interface for copying tokens"""
t1 = token()
t2 = t1.copy()
assert t1 == t2, (t1, t2)
