def marshall(self, registry: CollectorRegistry) -> bytes:
''' Marshall the collectors in the registry into binary protocol
buffer format.
The Prometheus metrics parser expects each metric (MetricFamily) to
be prefixed with a varint containing the size of the encoded metric.
:returns: bytes
'''
payload = []
for i in registry.get_all():
encoded_metric = self.marshall_collector(i).SerializeToString()
length = pyrobuf_util.to_varint(len(encoded_metric))
payload.append(length + encoded_metric)
return b"".join(payload)
def marshall(self, registry: CollectorRegistry) -> bytes:
""" Marshall the collectors in the registry into binary protocol
buffer format.
The Prometheus metrics parser expects each metric (MetricFamily) to
be prefixed with a varint containing the size of the encoded metric.
:returns: bytes
"""
payload = []
for i in registry.get_all():
encoded_metric = self.marshall_collector(i).SerializeToString()
length = pyrobuf_util.to_varint(len(encoded_metric))
payload.append(length + encoded_metric)
return b"".join(payload)
def test_varint_encode_negative_max_int32():
assert pyrobuf_util.to_varint(-2**31) == b'\x80\x80\x80\x80\xf8\xff\xff\xff\xff\x01'
def test_varint_encode_negative_12345():
assert pyrobuf_util.to_varint(-12345) == b'\xc7\x9f\xff\xff\xff\xff\xff\xff\xff\x01'
def test_varint_encode_0():
assert pyrobuf_util.to_varint(0) == b'\x00'
def test_varint_encode_max_int64():
assert pyrobuf_util.to_varint(2**63-1) == b'\xff\xff\xff\xff\xff\xff\xff\xff\x7f'
def test_varint_encode_negative_1():
assert pyrobuf_util.to_varint(-1) == b'\xff\xff\xff\xff\xff\xff\xff\xff\xff\x01'
def test_varint_encode_12345():
assert pyrobuf_util.to_varint(12345) == b'\xb9`'
def test_varint_encode_max_int32():
assert pyrobuf_util.to_varint(2**31-1) == b'\xff\xff\xff\xff\x07'
def test_varint_encode_negative_max_int64():
assert pyrobuf_util.to_varint(-2**63) == b'\x80\x80\x80\x80\x80\x80\x80\x80\x80\x01'
def test_varint_encode_max_int32():
assert pyrobuf_util.to_varint(2**31 - 1) == b'\xff\xff\xff\xff\x07'
def test_varint_encode_negative_max_int64():
assert pyrobuf_util.to_varint(
-2**63) == b'\x80\x80\x80\x80\x80\x80\x80\x80\x80\x01'
def test_varint_encode_1():
assert pyrobuf_util.to_varint(1) == b'\x01'
def test_varint_encode_negative_max_int32():
assert pyrobuf_util.to_varint(
-2**31) == b'\x80\x80\x80\x80\xf8\xff\xff\xff\xff\x01'
def test_varint_encode_0():
assert pyrobuf_util.to_varint(0) == b'\x00'
def test_varint_encode_negative_12345():
assert pyrobuf_util.to_varint(
-12345) == b'\xc7\x9f\xff\xff\xff\xff\xff\xff\xff\x01'
def test_varint_encode_negative_1():
assert pyrobuf_util.to_varint(
-1) == b'\xff\xff\xff\xff\xff\xff\xff\xff\xff\x01'
def test_varint_encode_max_int64():
assert pyrobuf_util.to_varint(2**63 -
1) == b'\xff\xff\xff\xff\xff\xff\xff\xff\x7f'
def test_varint_encode_1():
assert pyrobuf_util.to_varint(1) == b'\x01'
def test_varint_encode_12345():
assert pyrobuf_util.to_varint(12345) == b'\xb9`'
