def _create_event_classes(self):
context_ft = bt2.StructureFieldType()
context_ft.append_field('allo', bt2.StringFieldType())
context_ft.append_field('zola', bt2.IntegerFieldType(18))
payload_ft = bt2.StructureFieldType()
payload_ft.append_field('zoom', bt2.StringFieldType())
ec1 = bt2.EventClass('event23',
id=23,
context_field_type=context_ft,
payload_field_type=payload_ft)
ec2 = bt2.EventClass('event17',
id=17,
context_field_type=payload_ft,
payload_field_type=context_ft)
return ec1, 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_full(self):
header_ft = bt2.StructureFieldType()
header_ft.append_field('magic', bt2.IntegerFieldType(32))
clock_classes = bt2.ClockClass('cc1'), bt2.ClockClass('cc2')
sc = self._create_stream_class('sc1', 3)
tc = bt2.Trace(name='my name',
native_byte_order=bt2.ByteOrder.LITTLE_ENDIAN,
env={
'the_string': 'value',
'the_int': 23
},
packet_header_field_type=header_ft,
clock_classes=clock_classes,
stream_classes=(sc, ))
self.assertEqual(tc.name, 'my name')
self.assertEqual(tc.native_byte_order, bt2.ByteOrder.LITTLE_ENDIAN)
self.assertEqual(tc.env['the_string'], 'value')
self.assertEqual(tc.env['the_int'], 23)
self.assertEqual(tc.packet_header_field_type, header_ft)
self.assertEqual(tc.clock_classes['cc1'], clock_classes[0])
self.assertEqual(tc.clock_classes['cc2'], clock_classes[1])
self.assertEqual(tc[3], sc)
def test_at_index_invalid(self):
self._ft.append_field('c', bt2.IntegerFieldType(32))
with self.assertRaises(TypeError):
self._ft.at_index('yes')
def test_append_field_kwargs(self):
int_field_type = bt2.IntegerFieldType(32)
self._ft.append_field(name='int32', field_type=int_field_type)
field_type = self._ft['int32']
self.assertEqual(field_type, int_field_type)
def test_integer_field_type_prop(self):
int_ft = bt2.IntegerFieldType(23)
enum_ft = bt2.EnumerationFieldType(int_ft)
self.assertEqual(enum_ft.integer_field_type.addr, int_ft.addr)
def test_create_from_int_ft(self):
int_ft = bt2.IntegerFieldType(23)
self._ft = bt2.EnumerationFieldType(int_ft)
def test_create_neg_zero(self):
with self.assertRaises(ValueError):
ft = bt2.IntegerFieldType(0)
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()
def test_array_length(self):
int_ft = bt2.IntegerFieldType(32)
array_ft = bt2.ArrayFieldType(int_ft, 5)
declaration = self._get_declaration(array_ft)
self.assertEqual(declaration.length, 5)
def test_assign_packet_header_field_type(self):
header_ft = bt2.StructureFieldType()
header_ft.append_field('magic', bt2.IntegerFieldType(32))
self._tc.packet_header_field_type = header_ft
self.assertEqual(self._tc.packet_header_field_type, header_ft)
def _get_std_header(self):
header_ft = bt2.StructureFieldType()
header_ft.append_field('magic', bt2.IntegerFieldType(32))
header_ft.append_field('stream_id', bt2.IntegerFieldType(32))
return header_ft
