def test_at_index(self):
a_fc = bt2.IntegerFieldClass(32)
b_fc = bt2.StringFieldClass()
c_fc = bt2.FloatingPointNumberFieldClass()
self._fc.append_field('c', c_fc)
self._fc.append_field('a', a_fc)
self._fc.append_field('b', b_fc)
self.assertEqual(self._fc.at_index(1), a_fc)
def test_create_full(self):
fc = bt2.FloatingPointNumberFieldClass(alignment=16,
byte_order=bt2.ByteOrder.BIG_ENDIAN,
exponent_size=11,
mantissa_size=53)
self.assertEqual(fc.alignment, 16)
self.assertEqual(fc.byte_order, bt2.ByteOrder.BIG_ENDIAN)
self.assertEqual(fc.exponent_size, 11)
self.assertEqual(fc.mantissa_size, 53)
def test_iter(self):
a_fc = bt2.IntegerFieldClass(32)
b_fc = bt2.StringFieldClass()
c_fc = bt2.FloatingPointNumberFieldClass()
fields = (
('a', a_fc),
('b', b_fc),
('c', c_fc),
)
for field in fields:
self._fc.append_field(*field)
for (name, fc_field_class), field in zip(self._fc.items(), fields):
self.assertEqual(name, field[0])
self.assertEqual(fc_field_class, field[1])
def _create_stream_class(self, name, id):
ec1, ec2 = self._create_event_classes()
packet_context_fc = bt2.StructureFieldClass()
packet_context_fc.append_field('menu',
bt2.FloatingPointNumberFieldClass())
packet_context_fc.append_field('sticker', bt2.StringFieldClass())
event_header_fc = bt2.StructureFieldClass()
event_header_fc.append_field('id', bt2.IntegerFieldClass(19))
event_context_fc = bt2.StructureFieldClass()
event_context_fc.append_field('msg', bt2.StringFieldClass())
return bt2.StreamClass(name=name,
id=id,
packet_context_field_class=packet_context_fc,
event_header_field_class=event_header_fc,
event_context_field_class=event_context_fc,
event_classes=(ec1, ec2))
def setUp(self):
self._packet_context_fc = bt2.StructureFieldClass()
self._packet_context_fc.append_field(
'menu', bt2.FloatingPointNumberFieldClass())
self._packet_context_fc.append_field('sticker', bt2.StringFieldClass())
self._event_header_fc = bt2.StructureFieldClass()
self._event_header_fc.append_field('id', bt2.IntegerFieldClass(19))
self._event_context_fc = bt2.StructureFieldClass()
self._event_context_fc.append_field('msg', bt2.StringFieldClass())
self._ec1, self._ec2 = self._create_event_classes()
self._sc = bt2.StreamClass(
name='my_stream_class',
id=12,
packet_context_field_class=self._packet_context_fc,
event_header_field_class=self._event_header_fc,
event_context_field_class=self._event_context_fc,
event_classes=(self._ec1, self._ec2))
def test_iadd(self):
struct_fc = bt2.StructureFieldClass()
c_field_class = bt2.StringFieldClass()
d_field_class = bt2.EnumerationFieldClass(size=32)
e_field_class = bt2.StructureFieldClass()
struct_fc.append_field('c_string', c_field_class)
struct_fc.append_field('d_enum', d_field_class)
struct_fc.append_field('e_struct', e_field_class)
a_field_class = bt2.FloatingPointNumberFieldClass()
b_field_class = bt2.IntegerFieldClass(17)
self._fc.append_field('a_float', a_field_class)
self._fc.append_field('b_int', b_field_class)
self._fc += struct_fc
self.assertEqual(self._fc['a_float'], a_field_class)
self.assertEqual(self._fc['b_int'], b_field_class)
self.assertEqual(self._fc['c_string'], c_field_class)
self.assertEqual(self._fc['d_enum'], d_field_class)
self.assertEqual(self._fc['e_struct'], e_field_class)
def test_create_from_invalid_fc(self):
with self.assertRaises(TypeError):
fc = bt2.FloatingPointNumberFieldClass()
self._fc = bt2.EnumerationFieldClass(fc)
def setUp(self):
self._fc = bt2.FloatingPointNumberFieldClass()
def _create_packet(self, with_ph=True, with_pc=True):
# event header
eh = bt2.StructureFieldClass()
eh += OrderedDict((
('id', bt2.IntegerFieldClass(8)),
('ts', bt2.IntegerFieldClass(32)),
))
# stream event context
sec = bt2.StructureFieldClass()
sec += OrderedDict((
('cpu_id', bt2.IntegerFieldClass(8)),
('stuff', bt2.FloatingPointNumberFieldClass()),
))
# packet context
if with_pc:
pc = bt2.StructureFieldClass()
pc += OrderedDict((
('something', bt2.IntegerFieldClass(8)),
('something_else', bt2.FloatingPointNumberFieldClass()),
))
else:
pc = None
# stream class
sc = bt2.StreamClass()
sc.packet_context_field_class = pc
sc.event_header_field_class = eh
sc.event_context_field_class = sec
# event context
ec = bt2.StructureFieldClass()
ec += OrderedDict((
('ant', bt2.IntegerFieldClass(16, is_signed=True)),
('msg', bt2.StringFieldClass()),
))
# event payload
ep = bt2.StructureFieldClass()
ep += OrderedDict((
('giraffe', bt2.IntegerFieldClass(32)),
('gnu', bt2.IntegerFieldClass(8)),
('mosquito', bt2.IntegerFieldClass(8)),
))
# event class
event_class = bt2.EventClass('ec')
event_class.context_field_class = ec
event_class.payload_field_class = ep
sc.add_event_class(event_class)
# packet header
if with_ph:
ph = bt2.StructureFieldClass()
ph += OrderedDict((
('magic', bt2.IntegerFieldClass(32)),
('stream_id', bt2.IntegerFieldClass(16)),
))
else:
ph = None
# trace c;ass
tc = bt2.Trace()
tc.packet_header_field_class = ph
tc.add_stream_class(sc)
# stream
stream = sc()
# packet
return stream.create_packet()
def _create_ec(self,
with_eh=True,
with_sec=True,
with_ec=True,
with_ep=True):
# event header
if with_eh:
eh = bt2.StructureFieldClass()
eh += OrderedDict((
('id', bt2.IntegerFieldClass(8)),
('ts', bt2.IntegerFieldClass(32)),
))
else:
eh = None
# stream event context
if with_sec:
sec = bt2.StructureFieldClass()
sec += OrderedDict((
('cpu_id', bt2.IntegerFieldClass(8)),
('stuff', bt2.FloatingPointNumberFieldClass()),
))
else:
sec = None
# packet context
pc = bt2.StructureFieldClass()
pc += OrderedDict((
('something', bt2.IntegerFieldClass(8)),
('something_else', bt2.FloatingPointNumberFieldClass()),
))
# stream class
sc = bt2.StreamClass()
sc.packet_context_field_class = pc
sc.event_header_field_class = eh
sc.event_context_field_class = sec
# event context
if with_ec:
ec = bt2.StructureFieldClass()
ec += OrderedDict((
('ant', bt2.IntegerFieldClass(16, is_signed=True)),
('msg', bt2.StringFieldClass()),
))
else:
ec = None
# event payload
if with_ep:
ep = bt2.StructureFieldClass()
ep += OrderedDict((
('giraffe', bt2.IntegerFieldClass(32)),
('gnu', bt2.IntegerFieldClass(8)),
('mosquito', bt2.IntegerFieldClass(8)),
))
else:
ep = None
# event class
event_class = bt2.EventClass('ec')
event_class.context_field_class = ec
event_class.payload_field_class = ep
sc.add_event_class(event_class)
return event_class