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_insert_from_dict(self):
assert load_operation({'insert': 1}) == Insert(1, None)
assert load_operation({'insert': 'foo'}) == Insert('foo', None)
assert load_operation({
'insert': 'foo',
'attributes': {
'bold': True
}
}) == Insert('foo', {'bold': True})
def test_insert_in_middle_of_text(self):
a = Delta().insert('Hello')
b = Delta().retain(3).insert('X')
assert a.ops == [Insert('Hello', None)]
assert b.ops == [Retain(3, None), Insert('X', None)]
expected = Delta().insert('HelXlo')
compose = a.compose(b)
assert compose.ops == expected.ops, f'{expected} not {compose}'
def test_insert_constructor(self):
op = Insert('foo', None)
assert op.value == 'foo'
assert op.attributes is None
assert op.length == 3
op = Insert(1, None)
assert op.value == 1
assert op.attributes is None
def test_foreach(self):
spy_mock = mock.MagicMock()
for op in self.delta.ops:
spy_mock(op)
assert spy_mock.call_count == 3
assert spy_mock.call_args_list == [
mock.call(Insert('Hello', None)),
mock.call(Insert({'image': True}, None)),
mock.call(Insert('World !', None))
]
def test_insert_embed(self):
op = Insert({'image': 'photo.jpg'}, None)
assert op.value == {'image': 'photo.jpg'}
assert op.attributes is None
assert op.length == 1
def test_retain_from_dict(self):
assert load_operation({'retain': 1}) == Retain(1, None)
assert load_operation({
'retain': 1,
'attributes': {
'bold': True
}
}) == Insert(1, {'bold': True})
def test_insert_as_data(self):
assert Insert('foo', None).as_data() == {'insert': 'foo'}
assert Insert('foo', {}).as_data() == {'insert': 'foo'}
assert Insert('foo', {
'bold': True
}).as_data() == {
'insert': 'foo',
'attributes': {
'bold': True
}
}
assert Insert(1, {
'img': 'image.jpg'
}).as_data() == {
'insert': 1,
'attributes': {
'img': 'image.jpg'
}
}
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_sum_operation(self):
op = Retain(1, None) + Retain(2, None)
assert op == Retain(3, None)
op = reduce(lambda o, other: o + other,
[Retain(1, None),
Retain(2, None),
Retain(3, None)])
assert op == Retain(6, None)
op = Retain(1, {'bold': True}) + Retain(2, {'bold': True})
assert op == Retain(3, {'bold': True})
with pytest.raises(ValueError) as err:
Retain(1, None) + Insert('foo', None)
assert err.match('Operations are not the same type')
with pytest.raises(ValueError) as err:
Retain(1, {'bold': True}) + Retain(1, {'bold': False})
assert err.match('operations with different attributes')
def test_insert_str_json(self):
assert str(Insert('foo', None)) == '{"insert": "foo"}'
assert str(Insert('foo', {})) == '{"insert": "foo"}'
assert str(Insert(
'foo', {'bold': True
})) == '{"insert": "foo", "attributes": {"bold": true}}'
def test_sum_operation(self):
op = Insert('foo', None) + Insert(' bar', None)
assert op == Insert('foo bar', None)
op = reduce(
lambda o, other: o + other,
[Insert('foo', None),
Insert(' ', None),
Insert('bar', None)])
assert op == Insert('foo bar', None)
op = Insert('foo', {'bold': True}) + Insert(' bar', {'bold': True})
assert op == Insert('foo bar', {'bold': True})
with pytest.raises(ValueError) as err:
Insert('foo', None) + 'bar'
assert err.match('Operations are not the same type')
with pytest.raises(ValueError) as err:
Insert('foo', {'bold': True}) + Insert(' bar', {'bold': False})
assert err.match('operations with different attributes')
def test_as_json(self):
op = Insert('foo', {'bold': True})
assert op.as_json(
) == '{"insert": "foo", "attributes": {"bold": true}}'
def test_as_data(self):
op = Insert('foo', {'bold': True})
assert op.as_data() == {'insert': 'foo', 'attributes': {'bold': True}}
def test_insert_attributes(self):
op = Insert('foo', {'bold': True})
assert op.attributes == {'bold': True}