DB-GPT/dbgpt/util/tracer/tests/test_tracer_impl.py
2024-04-11 19:07:06 +08:00

109 lines
2.9 KiB
Python

import pytest
from dbgpt.component import SystemApp
from dbgpt.util.tracer import (
DefaultTracer,
MemorySpanStorage,
Span,
SpanStorage,
SpanStorageType,
Tracer,
TracerManager,
)
@pytest.fixture
def system_app():
return SystemApp()
@pytest.fixture
def storage(system_app: SystemApp):
ms = MemorySpanStorage(system_app)
system_app.register_instance(ms)
return ms
@pytest.fixture
def tracer(request, system_app: SystemApp):
if not request or not hasattr(request, "param"):
return DefaultTracer(system_app)
else:
span_storage_type = request.param.get(
"span_storage_type", SpanStorageType.ON_CREATE_END
)
return DefaultTracer(system_app, span_storage_type=span_storage_type)
@pytest.fixture
def tracer_manager(system_app: SystemApp, tracer: Tracer):
system_app.register_instance(tracer)
manager = TracerManager()
manager.initialize(system_app)
return manager
def test_start_and_end_span(tracer: Tracer):
span = tracer.start_span("operation")
assert isinstance(span, Span)
assert span.operation_name == "operation"
tracer.end_span(span)
assert span.end_time is not None
stored_span = tracer._get_current_storage().spans[0]
assert stored_span.span_id == span.span_id
def test_start_and_end_span_with_tracer_manager(tracer_manager: TracerManager):
span = tracer_manager.start_span("operation")
assert isinstance(span, Span)
assert span.operation_name == "operation"
tracer_manager.end_span(span)
assert span.end_time is not None
def test_parent_child_span_relation(tracer: Tracer):
parent_span = tracer.start_span("parent_operation")
child_span = tracer.start_span(
"child_operation", parent_span_id=parent_span.span_id
)
assert child_span.parent_span_id == parent_span.span_id
assert child_span.trace_id == parent_span.trace_id
tracer.end_span(child_span)
tracer.end_span(parent_span)
assert parent_span.operation_name in [
s.operation_name for s in tracer._get_current_storage().spans
]
assert child_span.operation_name in [
s.operation_name for s in tracer._get_current_storage().spans
]
@pytest.mark.parametrize(
"tracer, expected_count, after_create_inc_count",
[
({"span_storage_type": SpanStorageType.ON_CREATE}, 1, 1),
({"span_storage_type": SpanStorageType.ON_END}, 1, 0),
({"span_storage_type": SpanStorageType.ON_CREATE_END}, 2, 1),
],
indirect=["tracer"],
)
def test_tracer_span_storage_type_and_with(
tracer: Tracer,
expected_count: int,
after_create_inc_count: int,
storage: SpanStorage,
):
span = tracer.start_span("new_span")
span.end()
assert len(storage.spans) == expected_count
with tracer.start_span("with_span") as ws:
assert len(storage.spans) == expected_count + after_create_inc_count
assert len(storage.spans) == expected_count + expected_count