def test_non_letter_set_get():
d = CanonDict()
d[1] = 1
assert d[1] == 1
d.case_sensitive = False
d[2] = '2'
assert d[2] == '2'
def test_del_via_alias():
d = CanonDict(A=1)
d.add_alias('first_letter', 'A')
del d['first_letter']
with pytest.raises(KeyError):
_ = d['A']
with pytest.raises(KeyError):
_ = d['first_letter']
def test_iter():
od = {'A': 'a', 'B': 2}
d = CanonDict(od)
dk = set()
for k in d:
dk.add(k)
assert set(od) == set(dk)
def test_del_item():
d = CanonDict(A=1)
del d['A']
with pytest.raises(KeyError):
_ = d['A']
def test_canon_key_casing():
d = CanonDict(A=1)
d.case_sensitive = False
assert d.get_canon_key('a') == 'A'
def test_canon_key_new_key():
d = CanonDict()
k = 'k'
assert d.get_canon_key(k) == k
def test_add_alias_raises_on_no_dst():
d = CanonDict(A='1')
with pytest.raises(KeyError):
d.add_alias('second_letter', 'B')
def test_add_alias_raises_on_already_exist():
d = CanonDict(A='1', B='2')
with pytest.raises(KeyError):
d.add_alias('B', 'A')
def test_del_alias():
d = CanonDict(A='1111')
d.add_alias('first_letter', 'A')
d.delete_alias('first_letter')
with pytest.raises(KeyError):
_ = d['first_letter']
def test_len():
od = {'A': 1}
d = CanonDict(od)
d.add_alias('first_letter', 'A')
assert len(d) == len(od)
def test_add_alias():
d = CanonDict(A='1111')
d.add_alias('first_letter', 'A')
assert d['first_letter'] == d['A']
def test_toggle_case_sensitive_raises():
d = CanonDict({'A': 'A', 'a': 'a'})
with pytest.raises(RuntimeError):
d.case_sensitive = False
def test_toggle_case_sensitive():
d = CanonDict()
d.case_sensitive = True
assert d.case_sensitive is True
d.case_sensitive = False
assert d.case_sensitive is False