def test_set():
d = immutabledict(a=1)
nd = d.set('a', 1)
assert nd is d
d = immutabledict(a=1)
nd = d.set('b', 2)
assert nd == dict(a=1, b=2)
assert d == dict(a=1)
def test_del():
d = immutabledict(a=1)
nd = d.del_('b')
assert nd is d
d = immutabledict(a=1)
nd = d.del_('a')
assert nd == {}
assert d == dict(a=1)
def test_dict_setdefault():
d = immutabledict(a=1)
val, nd = d.setdefault('a', 10)
assert d == dict(a=1)
assert nd is d
assert val == 1
d = immutabledict(a=1)
val, nd = d.setdefault('b', 10)
assert nd == dict(a=1, b=10)
assert d == dict(a=1)
assert val == 10
def mangle(gen_sym, node):
fn_locals = analyze_scope(node).locals
state, new_node = _mangle(
dict(gen_sym=gen_sym, mangled=immutabledict()),
node,
ctx=dict(fn_locals=fn_locals))
return state.gen_sym, new_node
def map_reify(state, container):
acc = (state.gen_sym, immutabledict())
acc, new_container = map_accum(_reify_func, acc, container)
gen_sym, bindings = acc
new_state = state.update(gen_sym=gen_sym, temp_bindings=state.temp_bindings.update(bindings))
return new_state, new_container
def test_update():
d = immutabledict(a=1)
nd = d.update()
assert nd is d
d = immutabledict(a=1)
nd = d.update(('b', 2))
assert nd == dict(a=1, b=2)
assert d == dict(a=1)
d = immutabledict(a=1)
nd = d.update(b=2)
assert nd == dict(a=1, b=2)
assert d == dict(a=1)
d = immutabledict(a=1)
nd = d.update(('b', 2), c=3)
assert nd == dict(a=1, b=2, c=3)
assert d == dict(a=1)
d = immutabledict(a=1)
nd = d.update(dict(b=2), b=3)
assert nd == dict(a=1, b=3)
assert d == dict(a=1)
d = immutabledict(a=1)
nd = d.update(a=1)
assert nd is d
def test_dict_clear():
d = immutabledict(a=1)
nd = d.clear()
assert nd == {}
assert d == dict(a=1)
def test_set_syntax():
d = immutabledict(a=1)
with pytest.raises(AttributeError):
d['b'] = 2
def test_del_syntax():
d = immutabledict(a=1)
with pytest.raises(AttributeError):
del d['a']
def test_dict_popitem():
d = immutabledict(a=1)
val, nd = d.popitem()
assert nd == {}
assert d == dict(a=1)
assert val == ('a', 1)
def test_dict_pop():
d = immutabledict(a=1)
val, nd = d.pop('a')
assert nd == {}
assert d == dict(a=1)
assert val == 1
def test_dict_copy():
d = immutabledict(a=1)
nd = d.copy()
assert d is nd
assert nd == dict(a=1)
def test_dict_repr():
d = immutabledict(a=1)
nd = eval(repr(d))
assert type(nd) == type(d)
assert nd == d
