def test_mutations_handler_exception(story, patch):
def exc(*args):
raise Exception()
patch.object(StringMutations, 'replace', side_effect=exc)
mutation = {'mutation': 'replace'}
with pytest.raises(StoryscriptError):
Mutations.mutate(mutation, 'string', story, None)
def test_mutation_int_ops(story, op):
story.context = {'foo': 10}
mutation = {
'$OBJECT':
'mutation',
'mutation':
op[0],
'args': [{
'$OBJECT': 'argument',
'name': op[0],
'argument': {
'$OBJECT': 'number',
'number': 10
}
}]
}
line = {'args': [{'paths': ['foo']}, {'paths': ['foo']}, mutation]}
# To test a case where len(args) is 2, for example, `a increment`
# len(args) is 3 when the statement is `a = a increment`
if op[0] == 'increment':
line['args'].pop(0)
assert story.context['foo'] == 10
assert Mutations.mutate(mutation, 10, story, line) == 10 + op[1]
assert story.context['foo'] == 10 + op[1]
def test_mutations_string_pop(story):
mutation = {
'mutation':
'pop',
'args': [{
'$OBJECT': 'argument',
'name': 'pop',
'argument': {
'$OBJECT': 'string',
'string': 'y'
}
}]
}
value = {'a': 1, 'y': 2}
assert Mutations.mutate(mutation, value, story, None) == 2
assert Mutations.mutate(mutation, value, story, None) is None
def test_mutations_string_random(story):
mutation = {'mutation': 'random'}
options = [28, 12, 8, 1]
for i in range(0, 10):
choice = Mutations.mutate(mutation, options, story, None)
assert choice in options
def test_mutations_string_replace(story):
mutation = {
'mutation':
'replace',
'args': [{
'$OBJECT': 'argument',
'name': 'replace',
'argument': {
'$OBJECT': 'string',
'string': 'y'
}
}, {
'$OBJECT': 'argument',
'name': 'with',
'argument': {
'$OBJECT': 'string',
'string': 'Y'
}
}]
}
assert Mutations.mutate(mutation, 'asyncy', story, None) == 'asYncY'
def test_mutations_unexpected_mutation(story):
mutation = {'mutation': 'foo'}
with pytest.raises(StoryscriptError):
Mutations.mutate(mutation, 'string', story, None)
def test_mutations_unexpected_type(story):
mutation = {'mutation': 'foo'}
with pytest.raises(AsyncyError):
Mutations.mutate(mutation, Mutations, story, None)