def test_find_direct_conflicts():
addstuff()
changestuff()
session = Session()
message_ops = create_fake_operations()
conflicts = find_direct_conflicts(message_ops,
session.query(models.Operation).all())
expected = [
(message_ops[0],
models.Operation(row_id=3, content_type_id=ct_b_id,
command='d')), # b3
(message_ops[1],
models.Operation(row_id=1, content_type_id=ct_a_id, command='u'))
] # a1
logging.info(conflicts)
logging.info(expected)
assert repr(conflicts) == repr(expected)
def test_find_dependency_conflicts():
addstuff()
changestuff()
session = Session()
message_ops = create_fake_operations()
conflicts = find_dependency_conflicts(
message_ops,
session.query(models.Operation).all(), session)
expected = [
(
message_ops[1], # a1
models.Operation(row_id=1, content_type_id=ct_b_id,
command='i')), # b1
(
message_ops[2], # a2
models.Operation(row_id=2, content_type_id=ct_b_id,
command='i')), # b2
(
message_ops[2], # a2
models.Operation(row_id=2, content_type_id=ct_b_id, command='u'))
] # b2
logging.info(conflicts)
logging.info(expected)
assert repr(conflicts) == repr(expected)
def create_fake_operations():
return [
models.Operation(row_id=3, content_type_id=ct_b_id, command='u'),
models.Operation(row_id=1, content_type_id=ct_a_id, command='d'),
models.Operation(row_id=2, content_type_id=ct_a_id, command='d')
]
def test_compression_correctness():
addstuff()
changestuff()
session = Session()
ops = compressed_operations(session.query(models.Operation).all())
groups = group_by(lambda op: (op.content_type_id, op.row_id), ops)
for g in groups.values():
logging.info(g)
assert len(g) == 1
# assert correctness when compressing operations from a pull
# message
pull_ops = [
models.Operation(command='i', content_type_id=1, row_id=1, order=1),
models.Operation(command='d', content_type_id=1, row_id=1, order=2),
models.Operation(command='i', content_type_id=1, row_id=1, order=3),
models.Operation(command='u', content_type_id=1, row_id=1, order=4),
# result of above should be a single 'i'
models.Operation(command='u', content_type_id=2, row_id=1, order=5),
models.Operation(command='d', content_type_id=2, row_id=1, order=6),
models.Operation(command='i', content_type_id=2, row_id=1, order=7),
models.Operation(command='d', content_type_id=2, row_id=1, order=8),
# result of above should be a single 'd'
models.Operation(command='d', content_type_id=3, row_id=1, order=9),
models.Operation(command='i', content_type_id=3, row_id=1, order=10),
# result of above should be an 'u'
models.Operation(command='i', content_type_id=4, row_id=1, order=11),
models.Operation(command='u', content_type_id=4, row_id=1, order=12),
models.Operation(command='d', content_type_id=4, row_id=1, order=13),
# result of above should be no operations
models.Operation(command='d', content_type_id=5, row_id=1, order=14),
models.Operation(command='i', content_type_id=5, row_id=1, order=15),
models.Operation(command='d', content_type_id=5, row_id=1, order=16),
# result of above should be a single 'd'
models.Operation(command='u', content_type_id=6, row_id=1, order=17),
models.Operation(command='d', content_type_id=6, row_id=1, order=18),
models.Operation(command='i', content_type_id=6, row_id=1, order=19),
# result of above should be an 'u'
models.Operation(command='d', content_type_id=7, row_id=1, order=20),
models.Operation(command='i', content_type_id=7, row_id=1, order=21),
models.Operation(command='u', content_type_id=7, row_id=1, order=22)
# result of above should be an 'u'
]
compressed = compressed_operations(pull_ops)
logging.info("len(compressed) == {0}".format(len(compressed)))
logging.info("\n".join(repr(op) for op in compressed))
assert len(compressed) == 6
assert compressed[0].command == 'i'
assert compressed[1].command == 'd'
assert compressed[2].command == 'u'
assert compressed[3].command == 'd'
assert compressed[4].command == 'u'
assert compressed[5].command == 'u'