def test_delta_as_data(self):
delta = Delta(ops=[
Insert('abc', None),
Retain(1, {'color': 'red'}),
Delete(4),
Insert('def', {'bold': True}),
Retain(6, None)
])
expected = [{
'insert': 'abc'
}, {
'retain': 1,
'attributes': {
'color': 'red'
}
}, {
'delete': 4
}, {
'insert': 'def',
'attributes': {
'bold': True
}
}, {
'retain': 6
}]
self.assertListEqual(delta.as_data(), expected)
def test_delta_as_string(self):
delta = Delta(ops=[
Insert('abc', None),
Retain(1, {'color': 'red'}),
Delete(3),
])
assert str(delta) == ('[{"insert": "abc"}, '
'{"retain": 1, "attributes": {"color": "red"}}, '
'{"delete": 3}]')
def test_sum_operation(self):
op = Delete(1) + Delete(2)
assert op == Delete(3)
op = reduce(lambda o, other: o + other,
[Delete(1), Delete(2), Delete(3)])
assert op == Delete(6)
with pytest.raises(ValueError) as err:
Delete(1) + Insert('foo', None)
assert err.match('Operations are not the same type')
def test_delete_as_data(self):
assert Delete(1).as_data() == {'delete': 1}
assert Delete(2).as_data() == {'delete': 2}
def test_delete_from_dict(self):
assert load_operation({'delete': 1}) == Delete(1)
def test_delete_str_json(self):
assert str(Delete(1)) == '{"delete": 1}'
def test_as_json(self):
op = Delete(1)
assert op.as_json() == '{"delete": 1}'
def test_as_data(self):
op = Delete(1)
assert op.as_data() == {'delete': 1}
def test_parse(self):
op = Delete.fromdict({'delete': 1})
assert isinstance(op, Delete)
assert op.value == 1
assert op.length == 1
def test_retain_constructor(self):
op = Delete(1)
assert op.value == 1
assert op.length == 1