def test_at_index(self):
a_ft = bt2.IntegerFieldType(32)
b_ft = bt2.StringFieldType()
c_ft = bt2.FloatingPointNumberFieldType()
self._ft.append_field('c', c_ft)
self._ft.append_field('a', a_ft)
self._ft.append_field('b', b_ft)
self.assertEqual(self._ft.at_index(1), a_ft)
def test_create_full(self):
ft = bt2.FloatingPointNumberFieldType(alignment=16,
byte_order=bt2.ByteOrder.BIG_ENDIAN,
exponent_size=11,
mantissa_size=53)
self.assertEqual(ft.alignment, 16)
self.assertEqual(ft.byte_order, bt2.ByteOrder.BIG_ENDIAN)
self.assertEqual(ft.exponent_size, 11)
self.assertEqual(ft.mantissa_size, 53)
def setUp(self):
self._packet_context_ft = bt2.StructureFieldType()
self._packet_context_ft.append_field('menu', bt2.FloatingPointNumberFieldType())
self._packet_context_ft.append_field('sticker', bt2.StringFieldType())
self._event_header_ft = bt2.StructureFieldType()
self._event_header_ft.append_field('id', bt2.IntegerFieldType(19))
self._event_context_ft = bt2.StructureFieldType()
self._event_context_ft.append_field('msg', bt2.StringFieldType())
self._ec1, self._ec2 = self._create_event_classes()
self._sc = bt2.StreamClass(name='my_stream_class', id=12,
packet_context_field_type=self._packet_context_ft,
event_header_field_type=self._event_header_ft,
event_context_field_type=self._event_context_ft,
event_classes=(self._ec1, self._ec2))
def test_iter(self):
a_ft = bt2.IntegerFieldType(32)
b_ft = bt2.StringFieldType()
c_ft = bt2.FloatingPointNumberFieldType()
fields = (
('a', a_ft),
('b', b_ft),
('c', c_ft),
)
for field in fields:
self._ft.append_field(*field)
for (name, ft_field_type), field in zip(self._ft.items(), fields):
self.assertEqual(name, field[0])
self.assertEqual(ft_field_type, field[1])
def _create_stream_class(self, name, id):
ec1, ec2 = self._create_event_classes()
packet_context_ft = bt2.StructureFieldType()
packet_context_ft.append_field('menu',
bt2.FloatingPointNumberFieldType())
packet_context_ft.append_field('sticker', bt2.StringFieldType())
event_header_ft = bt2.StructureFieldType()
event_header_ft.append_field('id', bt2.IntegerFieldType(19))
event_context_ft = bt2.StructureFieldType()
event_context_ft.append_field('msg', bt2.StringFieldType())
return bt2.StreamClass(name=name,
id=id,
packet_context_field_type=packet_context_ft,
event_header_field_type=event_header_ft,
event_context_field_type=event_context_ft,
event_classes=(ec1, ec2))
def test_iadd(self):
struct_ft = bt2.StructureFieldType()
c_field_type = bt2.StringFieldType()
d_field_type = bt2.EnumerationFieldType(size=32)
e_field_type = bt2.StructureFieldType()
struct_ft.append_field('c_string', c_field_type)
struct_ft.append_field('d_enum', d_field_type)
struct_ft.append_field('e_struct', e_field_type)
a_field_type = bt2.FloatingPointNumberFieldType()
b_field_type = bt2.IntegerFieldType(17)
self._ft.append_field('a_float', a_field_type)
self._ft.append_field('b_int', b_field_type)
self._ft += struct_ft
self.assertEqual(self._ft['a_float'], a_field_type)
self.assertEqual(self._ft['b_int'], b_field_type)
self.assertEqual(self._ft['c_string'], c_field_type)
self.assertEqual(self._ft['d_enum'], d_field_type)
self.assertEqual(self._ft['e_struct'], e_field_type)
def test_type(self):
int_ft = bt2.IntegerFieldType(32)
enum_ft = bt2.EnumerationFieldType(int_ft)
enum_ft.append_mapping('corner', 23)
enum_ft.append_mapping('zoom', 17, 20)
enum_ft.append_mapping('mellotron', 1001)
enum_ft.append_mapping('giorgio', 2000, 3000)
array_ft = bt2.ArrayFieldType(int_ft, 5)
seq_ft = bt2.SequenceFieldType(int_ft, 'the_len_field')
float_ft = bt2.FloatingPointNumberFieldType()
struct_ft = bt2.StructureFieldType()
struct_ft.append_field('a', int_ft)
struct_ft.append_field('b', int_ft)
struct_ft.append_field('c', int_ft)
_string_ft = bt2.StringFieldType()
variant_ft = bt2.VariantFieldType('tag', enum_ft)
variant_ft.append_field('corner', int_ft)
variant_ft.append_field('zoom', array_ft)
variant_ft.append_field('mellotron', float_ft)
variant_ft.append_field('giorgio', struct_ft)
expected_types = {
babeltrace.CTFTypeId.INTEGER: int_ft,
babeltrace.CTFTypeId.FLOAT: float_ft,
babeltrace.CTFTypeId.ENUM: enum_ft,
babeltrace.CTFTypeId.STRING: _string_ft,
babeltrace.CTFTypeId.STRUCT: struct_ft,
babeltrace.CTFTypeId.VARIANT: variant_ft,
babeltrace.CTFTypeId.ARRAY: array_ft,
babeltrace.CTFTypeId.SEQUENCE: seq_ft,
}
for type_id, ft in expected_types.items():
declaration = self._get_declaration(ft)
self.assertIsNotNone(declaration)
self.assertEqual(declaration.type, type_id)
def test_create_from_invalid_ft(self):
with self.assertRaises(TypeError):
ft = bt2.FloatingPointNumberFieldType()
self._ft = bt2.EnumerationFieldType(ft)
def setUp(self):
self._ft = bt2.FloatingPointNumberFieldType()
def _create_packet(self, with_ph=True, with_pc=True):
# event header
eh = bt2.StructureFieldType()
eh += OrderedDict((
('id', bt2.IntegerFieldType(8)),
('ts', bt2.IntegerFieldType(32)),
))
# stream event context
sec = bt2.StructureFieldType()
sec += OrderedDict((
('cpu_id', bt2.IntegerFieldType(8)),
('stuff', bt2.FloatingPointNumberFieldType()),
))
# packet context
if with_pc:
pc = bt2.StructureFieldType()
pc += OrderedDict((
('something', bt2.IntegerFieldType(8)),
('something_else', bt2.FloatingPointNumberFieldType()),
))
else:
pc = None
# stream class
sc = bt2.StreamClass()
sc.packet_context_field_type = pc
sc.event_header_field_type = eh
sc.event_context_field_type = sec
# event context
ec = bt2.StructureFieldType()
ec += OrderedDict((
('ant', bt2.IntegerFieldType(16, is_signed=True)),
('msg', bt2.StringFieldType()),
))
# event payload
ep = bt2.StructureFieldType()
ep += OrderedDict((
('giraffe', bt2.IntegerFieldType(32)),
('gnu', bt2.IntegerFieldType(8)),
('mosquito', bt2.IntegerFieldType(8)),
))
# event class
event_class = bt2.EventClass('ec')
event_class.context_field_type = ec
event_class.payload_field_type = ep
sc.add_event_class(event_class)
# packet header
if with_ph:
ph = bt2.StructureFieldType()
ph += OrderedDict((
('magic', bt2.IntegerFieldType(32)),
('stream_id', bt2.IntegerFieldType(16)),
))
else:
ph = None
# trace c;ass
tc = bt2.Trace()
tc.packet_header_field_type = ph
tc.add_stream_class(sc)
# stream
stream = sc()
# packet
return stream.create_packet()