def test_add_action(self):
action = Path('foo').add(0)
placeholder_names, expression_attribute_values = {}, {}
expression = action.serialize(placeholder_names, expression_attribute_values)
assert expression == "#0 :0"
assert placeholder_names == {'foo': '#0'}
assert expression_attribute_values == {':0': {'N': '0'}}
def test_delete_action(self):
action = Path('foo').difference_update({'NS': ['0']})
placeholder_names, expression_attribute_values = {}, {}
expression = action.serialize(placeholder_names, expression_attribute_values)
assert expression == "#0 :0"
assert placeholder_names == {'foo': '#0'}
assert expression_attribute_values == {':0': {'NS': ['0']}}
def test_remove_action(self):
action = Path('foo').remove()
placeholder_names, expression_attribute_values = {}, {}
expression = action.serialize(placeholder_names, expression_attribute_values)
assert expression == "#0"
assert placeholder_names == {'foo': '#0'}
assert expression_attribute_values == {}
def test_add_action(self):
action = Path('foo').update(0)
placeholder_names, expression_attribute_values = {}, {}
expression = action.serialize(placeholder_names, expression_attribute_values)
assert expression == "#0 :0"
assert placeholder_names == {'foo': '#0'}
assert expression_attribute_values == {':0': {'N': '0'}}
def test_set_action(self):
action = Path('foo').set('bar')
placeholder_names, expression_attribute_values = {}, {}
expression = action.serialize(placeholder_names, expression_attribute_values)
assert expression == "#0 = :0"
assert placeholder_names == {'foo': '#0'}
assert expression_attribute_values == {':0': {'S': 'bar'}}