def test_raw_data_reading():
raw_data_test_schema = """
namespace backward_compatibility {
archive Archive {
resource: raw_data;
}
}
"""
raw_data_resource_data = (
b"\x05\x00\x00\x00\x00\x00\x00\x00" # Payload size in bytes
b"\xff\xef\xbe\xad\xde" # Payload
b"\x00\x00\x00\x00\x00\x00\x00\x00" # Padding
)
module = Engine(raw_data_test_schema).render_python_module()
valid_data = {
"Archive.archive":
archive_signature_payload,
"Archive.archive.schema":
module.backward_compatibility_Archive.schema().encode(),
"resource":
raw_data_resource_data,
"resource.schema":
module.backward_compatibility_Archive.resource_schema(
'resource').encode(),
}
archive = module.backward_compatibility_Archive(
DictResourceStorage(valid_data))
eq_(5, len(archive.resource))
eq_(b"\xff", archive.resource[0])
eq_(b"\xde", archive.resource[4])
eq_(b"\xff\xef\xbe\xad\xde", archive.resource[0:5])
def test_vector_reading():
vector_test_schema = """
namespace backward_compatibility {
struct SignedStruct {
a : i16 : 5;
b : u32 : 32;
c : i32 : 7;
d : u32 : 32;
}
archive Archive {
resource: vector< SignedStruct >;
}
}
"""
resource_payload = (
b"\x14\x00\x00\x00\x00\x00\x00\x00" # Payload size in bytes
b"\xff\xac\x68\x24\x00\x0b\x00\x00" # Payload
b"\x00\x00\xff\xac\x68\x24\x00\x0b" # Payload
b"\x00\x00\x00\x00" # Payload
b"\x00\x00\x00\x00\x00\x00\x00\x00" # Padding
)
module = Engine(vector_test_schema).render_python_module()
valid_data = {
"Archive.archive": archive_signature_payload,
"Archive.archive.schema": module.backward_compatibility_Archive.schema().encode(),
"resource": resource_payload,
"resource.schema": module.backward_compatibility_Archive.resource_schema('resource').encode()
}
archive = module.backward_compatibility_Archive(DictResourceStorage(valid_data))
eq_(2, len(archive.resource))
check_signed_struct(archive.resource[0])
check_signed_struct(archive.resource[1])
def test_instance_reading():
from .common_testing_data import instance_test_schema, resource_payload
module = Engine(instance_test_schema).render_python_module()
valid_data = {
"Archive.archive": archive_signature_payload,
"Archive.archive.schema": module.backward_compatibility_Archive.schema().encode(),
"resource": resource_payload,
"resource.schema": module.backward_compatibility_Archive.resource_schema('resource').encode()
}
archive = module.backward_compatibility_Archive(DictResourceStorage(valid_data))
check_signed_struct(archive.resource)
def test_instance_reading():
module = Engine(INSTANCE_TEST_SCHEMA).render_python_module()
valid_data = {
"Archive.archive":
ARCHIVE_SIGNATURE_PAYLOAD,
"Archive.archive.schema":
module.backward_compatibility_Archive.schema().encode(),
"resource":
RESOURCE_PAYLOAD,
"resource.schema":
module.backward_compatibility_Archive.resource_schema(
'resource').encode()
}
archive = module.backward_compatibility_Archive(
DictResourceStorage(valid_data))
check_signed_struct(archive.resource)
def test_multivector_reading():
multivector_test_schema = """
namespace backward_compatibility {
struct SimpleStruct {
a : u32 : 32;
b : u32 : 32;
}
struct SignedStruct {
a : i16 : 5;
b : u32 : 32;
c : i32 : 7;
d : u32 : 32;
}
archive Archive {
resource: multivector< 33, SimpleStruct, SignedStruct >;
}
}
"""
multivector_resource_data = (
b"\x31\x00\x00\x00\x00\x00\x00\x00" # Payload size in bytes
b"\x01\xff\xac\x68\x24\x00\x0b\x00\x00\x00\x00" # Payload
b"\x00\xff\xff\xff\xff\xef\xbe\xad\xde" # Payload
b"\x00\xff\xff\xff\xff\xef\xbe\xad\xde" # Payload
b"\x01\xff\xac\x68\x24\x00\x0b\x00\x00\x00\x00" # Payload
b"\x00\xff\xff\xff\xff\xef\xbe\xad\xde" # Payload
b"\x00\x00\x00\x00\x00\x00\x00\x00" # Padding
)
multivector_resource_index = (
b"\x19\x00\x00\x00\x00\x00\x00\x00" # Index size in bytes
b"\x00\x00\x00\x00\x00" # Data pointer 1
b"\x14\x00\x00\x00\x00" # Data pointer 2
b"\x14\x00\x00\x00\x00" # Data pointer 3
b"\x28\x00\x00\x00\x00" # Data pointer 4
b"\x31\x00\x00\x00\x00" # Sentinel (end of data 4)
b"\x00\x00\x00\x00\x00\x00\x00\x00" # Padding
)
module = Engine(multivector_test_schema).render_python_module()
valid_data = {
"Archive.archive":
archive_signature_payload,
"Archive.archive.schema":
module.backward_compatibility_Archive.schema().encode(),
"resource":
multivector_resource_data,
"resource.schema":
module.backward_compatibility_Archive.resource_schema(
'resource').encode(),
"resource_index":
multivector_resource_index,
"resource_index.schema":
module.backward_compatibility_Archive.resource_schema(
'resource').encode()
}
archive = module.backward_compatibility_Archive(
DictResourceStorage(valid_data))
eq_(5, len(archive.resource))
eq_(2, len(archive.resource[0]))
assert_is_instance(archive.resource[0][0],
module.backward_compatibility_SignedStruct)
check_signed_struct(archive.resource[0][0])
assert_is_instance(archive.resource[0][1],
module.backward_compatibility_SimpleStruct)
check_simple_struct(archive.resource[0][1])
eq_(0, len(archive.resource[1]))
eq_(2, len(archive.resource[2]))
assert_is_instance(archive.resource[2][0],
module.backward_compatibility_SimpleStruct)
check_simple_struct(archive.resource[2][0])
assert_is_instance(archive.resource[2][1],
module.backward_compatibility_SignedStruct)
check_signed_struct(archive.resource[2][1])
eq_(1, len(archive.resource[3]))
assert_is_instance(archive.resource[3][0],
module.backward_compatibility_SimpleStruct)
check_simple_struct(archive.resource[3][0])