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131 lines
3.4 KiB
Python
131 lines
3.4 KiB
Python
from typing import Dict
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from dbgpt.component import SystemApp
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from dbgpt.util.tracer import Span, SpanStorage, SpanType, Tracer
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# Mock implementations
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class MockSpanStorage(SpanStorage):
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def __init__(self):
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self.spans = []
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def append_span(self, span: Span):
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self.spans.append(span)
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class MockTracer(Tracer):
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def __init__(self, system_app: SystemApp | None = None):
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super().__init__(system_app)
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self.current_span = None
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self.storage = MockSpanStorage()
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def append_span(self, span: Span):
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self.storage.append_span(span)
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def start_span(
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self, operation_name: str, parent_span_id: str = None, metadata: Dict = None
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) -> Span:
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trace_id = (
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self._new_uuid() if parent_span_id is None else parent_span_id.split(":")[0]
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)
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span_id = f"{trace_id}:{self._new_uuid()}"
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span = Span(
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trace_id, span_id, SpanType.BASE, parent_span_id, operation_name, metadata
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)
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self.current_span = span
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return span
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def end_span(self, span: Span):
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span.end()
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self.append_span(span)
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def get_current_span(self) -> Span:
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return self.current_span
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def _get_current_storage(self) -> SpanStorage:
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return self.storage
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# Tests
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def test_span_creation():
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span = Span(
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"trace_id",
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"span_id",
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SpanType.BASE,
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"parent_span_id",
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"operation",
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{"key": "value"},
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)
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assert span.trace_id == "trace_id"
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assert span.span_id == "span_id"
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assert span.parent_span_id == "parent_span_id"
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assert span.operation_name == "operation"
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assert span.metadata == {"key": "value"}
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def test_span_end():
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span = Span("trace_id", "span_id")
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assert span.end_time is None
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span.end()
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assert span.end_time is not None
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def test_mock_tracer_start_span():
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tracer = MockTracer()
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span = tracer.start_span("operation")
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assert span.operation_name == "operation"
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assert tracer.get_current_span() == span
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def test_mock_tracer_end_span():
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tracer = MockTracer()
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span = tracer.start_span("operation")
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tracer.end_span(span)
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assert span in tracer._get_current_storage().spans
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def test_mock_tracer_append_span():
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tracer = MockTracer()
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span = Span("trace_id", "span_id")
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tracer.append_span(span)
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assert span in tracer._get_current_storage().spans
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def test_parent_child_span_relation():
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tracer = MockTracer()
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# Start a parent span
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parent_span = tracer.start_span("parent_operation")
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# Start a child span with parent span's ID
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child_span = tracer.start_span(
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"child_operation", parent_span_id=parent_span.span_id
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)
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# Assert the relationships
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assert child_span.parent_span_id == parent_span.span_id
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assert (
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child_span.trace_id == parent_span.trace_id
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) # Assuming children share the same trace ID
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# End spans
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tracer.end_span(child_span)
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tracer.end_span(parent_span)
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# Assert they are in the storage
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assert child_span in tracer._get_current_storage().spans
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assert parent_span in tracer._get_current_storage().spans
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# This test checks if unique UUIDs are being generated.
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# Note: This is a simple test and doesn't guarantee uniqueness for large numbers of UUIDs.
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def test_new_uuid_unique():
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tracer = MockTracer()
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uuid_set = {tracer._new_uuid() for _ in range(1000)}
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assert len(uuid_set) == 1000
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