| |
| |
| |
| import functools |
| import json |
| from typing import List, Dict |
|
|
| import ddtrace |
| import pytest |
| from _pytest.capture import CaptureFixture |
| from _pytest.monkeypatch import MonkeyPatch |
|
|
| from haystack.tracing.datadog import DatadogTracer |
|
|
|
|
| @pytest.fixture() |
| def datadog_tracer(monkeypatch: MonkeyPatch) -> ddtrace.Tracer: |
| |
| monkeypatch.setattr(ddtrace.Tracer, ddtrace.Tracer._use_log_writer.__name__, lambda *_: True) |
|
|
| tracer = ddtrace.Tracer() |
|
|
| return tracer |
|
|
|
|
| def get_traces_from_console(capfd: CaptureFixture) -> List[Dict]: |
| output = capfd.readouterr().out |
| parsed = json.loads(output) |
| nested_traces = parsed["traces"] |
| flattened = list(functools.reduce(lambda x, y: x + y, nested_traces, [])) |
|
|
| return flattened |
|
|
|
|
| class TestDatadogTracer: |
| def test_opentelemetry_tracer(self, datadog_tracer: ddtrace.Tracer, capfd: CaptureFixture) -> None: |
| tracer = DatadogTracer(datadog_tracer) |
|
|
| with tracer.trace("test") as span: |
| span.set_tag("key", "value") |
|
|
| traces = get_traces_from_console(capfd) |
| assert len(traces) == 1 |
|
|
| trace = traces[0] |
|
|
| assert trace["name"] == "test" |
|
|
| def test_tagging(self, datadog_tracer: ddtrace.Tracer, capfd: CaptureFixture) -> None: |
| tracer = DatadogTracer(datadog_tracer) |
|
|
| with tracer.trace("test", tags={"key1": "value1"}) as span: |
| span.set_tag("key2", "value2") |
|
|
| spans = get_traces_from_console(capfd) |
| assert len(spans) == 1 |
| assert spans[0]["meta"]["key1"] == "value1" |
| assert spans[0]["meta"]["key2"] == "value2" |
|
|
| def test_current_span(self, datadog_tracer: ddtrace.Tracer, capfd: CaptureFixture) -> None: |
| tracer = DatadogTracer(datadog_tracer) |
|
|
| with tracer.trace("test"): |
| current_span = tracer.current_span() |
| assert tracer.current_span() is not None |
|
|
| current_span.set_tag("key1", "value1") |
|
|
| raw_span = current_span.raw_span() |
| assert raw_span is not None |
| assert isinstance(raw_span, ddtrace.Span) |
|
|
| raw_span.set_tag("key2", "value2") |
|
|
| spans = get_traces_from_console(capfd) |
| assert len(spans) == 1 |
| assert spans[0]["meta"]["key1"] == "value1" |
| assert spans[0]["meta"]["key2"] == "value2" |
|
|
| def test_tracing_complex_values(self, datadog_tracer: ddtrace.Tracer, capfd: CaptureFixture) -> None: |
| tracer = DatadogTracer(datadog_tracer) |
|
|
| with tracer.trace("test") as span: |
| span.set_tag("key", {"a": 1, "b": [2, 3, 4]}) |
|
|
| spans = get_traces_from_console(capfd) |
| assert len(spans) == 1 |
| assert spans[0]["meta"]["key"] == '{"a": 1, "b": [2, 3, 4]}' |
|
|
| def test_get_log_correlation_info(self, datadog_tracer: ddtrace.Tracer) -> None: |
| tracer = DatadogTracer(datadog_tracer) |
| with tracer.trace("test") as span: |
| span.set_tag("key", "value") |
| assert span.get_correlation_data_for_logs() == { |
| "dd.trace_id": str((1 << 64) - 1 & span.raw_span().trace_id), |
| "dd.span_id": span.raw_span().span_id, |
| "dd.service": "", |
| "dd.env": "", |
| "dd.version": "", |
| } |
|
|
