def test_constructor_default(self):
"""Test the default values assigned by constructor."""
exporter = datadog.DatadogSpanExporter()
self.assertEqual(exporter.agent_url, "http://localhost:8126")
self.assertIsNone(exporter.service)
self.assertIsNotNone(exporter.agent_writer)
def test_sampling_rate(self):
context = trace_api.SpanContext(
trace_id=0x000000000000000000000000DEADBEEF,
span_id=0x34BF92DEEFC58C92,
is_remote=False,
trace_flags=trace_api.TraceFlags(trace_api.TraceFlags.SAMPLED),
)
sampler = sampling.TraceIdRatioBased(0.5)
span = trace.Span(name="sampled",
context=context,
parent=None,
sampler=sampler)
span.start()
span.end()
# pylint: disable=protected-access
exporter = datadog.DatadogSpanExporter()
datadog_spans = [
span.to_dict() for span in exporter._translate_to_datadog([span])
]
self.assertEqual(len(datadog_spans), 1)
actual = [
span["metrics"].get(datadog.constants.SAMPLE_RATE_METRIC_KEY)
if "metrics" in span else None for span in datadog_spans
]
expected = [0.5]
self.assertListEqual(actual, expected)
def test_origin(self):
context = trace_api.SpanContext(
trace_id=0x000000000000000000000000DEADBEEF,
span_id=trace_api.INVALID_SPAN,
is_remote=True,
trace_state=trace_api.TraceState(
{datadog.constants.DD_ORIGIN: "origin-service"}),
)
root_span = trace.Span(name="root", context=context, parent=None)
child_span = trace.Span(name="child",
context=context,
parent=root_span)
root_span.start()
child_span.start()
child_span.end()
root_span.end()
# pylint: disable=protected-access
exporter = datadog.DatadogSpanExporter()
datadog_spans = [
span.to_dict()
for span in exporter._translate_to_datadog([root_span, child_span])
]
self.assertEqual(len(datadog_spans), 2)
actual = [
span["meta"].get(datadog.constants.DD_ORIGIN)
if "meta" in span else None for span in datadog_spans
]
expected = ["origin-service", None]
self.assertListEqual(actual, expected)
def test_service_name_fallback(self):
context = trace_api.SpanContext(
trace_id=0x000000000000000000000000DEADBEEF,
span_id=0x34BF92DEEFC58C92,
is_remote=False,
trace_flags=trace_api.TraceFlags(trace_api.TraceFlags.SAMPLED),
)
trace_api.get_tracer_provider().sampler = sampling.TraceIdRatioBased(
0.5)
resource_with_default_name = Resource(
attributes={
"key_resource": "some_resource",
"service.name": "unknown_service",
})
span = trace._Span(
name="sampled",
context=context,
parent=None,
resource=resource_with_default_name,
)
span.start()
span.end()
# pylint: disable=protected-access
exporter = datadog.DatadogSpanExporter(service="fallback_service_name")
datadog_spans = [
span.to_dict() for span in exporter._translate_to_datadog([span])
]
self.assertEqual(len(datadog_spans), 1)
span = datadog_spans[0]
self.assertEqual(span["service"], "fallback_service_name")
def test_constructor_environ(self):
exporter = datadog.DatadogSpanExporter()
self.assertEqual(exporter.agent_url, "http://agent:8126")
self.assertEqual(exporter.service, "test-service")
self.assertEqual(exporter.env, "test")
self.assertEqual(exporter.version, "0.0.1")
self.assertEqual(exporter.tags, {"team": "testers"})
self.assertIsNotNone(exporter.agent_writer)
def test_constructor_explicit(self):
"""Test the constructor passing all the options."""
agent_url = "http://localhost:8126"
exporter = datadog.DatadogSpanExporter(
agent_url=agent_url,
service="explicit",
)
self.assertEqual(exporter.agent_url, agent_url)
self.assertEqual(exporter.service, "explicit")
self.assertIsNone(exporter.env)
self.assertIsNone(exporter.version)
self.assertEqual(exporter.tags, {})
exporter = datadog.DatadogSpanExporter(
agent_url=agent_url,
service="explicit",
env="test",
version="0.0.1",
tags="",
)
self.assertEqual(exporter.agent_url, agent_url)
self.assertEqual(exporter.service, "explicit")
self.assertEqual(exporter.env, "test")
self.assertEqual(exporter.version, "0.0.1")
self.assertEqual(exporter.tags, {})
exporter = datadog.DatadogSpanExporter(
agent_url=agent_url,
service="explicit",
env="test",
version="0.0.1",
tags="team:testers,layer:app",
)
self.assertEqual(exporter.agent_url, agent_url)
self.assertEqual(exporter.service, "explicit")
self.assertEqual(exporter.env, "test")
self.assertEqual(exporter.version, "0.0.1")
self.assertEqual(exporter.tags, {"team": "testers", "layer": "app"})
def test_translate_to_datadog(self):
# pylint: disable=invalid-name
self.maxDiff = None
span_names = ("test1", "test2", "test3")
trace_id = 0x6E0C63257DE34C926F9EFCD03927272E
trace_id_low = 0x6F9EFCD03927272E
span_id = 0x34BF92DEEFC58C92
parent_id = 0x1111111111111111
other_id = 0x2222222222222222
base_time = 683647322 * 10**9 # in ns
start_times = (
base_time,
base_time + 150 * 10**6,
base_time + 300 * 10**6,
)
durations = (50 * 10**6, 100 * 10**6, 200 * 10**6)
end_times = (
start_times[0] + durations[0],
start_times[1] + durations[1],
start_times[2] + durations[2],
)
span_context = trace_api.SpanContext(trace_id,
span_id,
is_remote=False)
parent_context = trace_api.SpanContext(trace_id,
parent_id,
is_remote=False)
other_context = trace_api.SpanContext(trace_id,
other_id,
is_remote=False)
instrumentation_info = InstrumentationInfo(__name__, "0")
otel_spans = [
trace.Span(
name=span_names[0],
context=span_context,
parent=parent_context,
kind=trace_api.SpanKind.CLIENT,
instrumentation_info=instrumentation_info,
),
trace.Span(
name=span_names[1],
context=parent_context,
parent=None,
instrumentation_info=instrumentation_info,
),
trace.Span(
name=span_names[2],
context=other_context,
parent=None,
),
]
otel_spans[0].start(start_time=start_times[0])
otel_spans[0].end(end_time=end_times[0])
otel_spans[1].start(start_time=start_times[1])
otel_spans[1].end(end_time=end_times[1])
otel_spans[2].start(start_time=start_times[2])
otel_spans[2].end(end_time=end_times[2])
# pylint: disable=protected-access
exporter = datadog.DatadogSpanExporter()
datadog_spans = [
span.to_dict()
for span in exporter._translate_to_datadog(otel_spans)
]
expected_spans = [
dict(
trace_id=trace_id_low,
parent_id=parent_id,
span_id=span_id,
name="tests.test_datadog_exporter.CLIENT",
resource=span_names[0],
start=start_times[0],
duration=durations[0],
error=0,
service="test-service",
meta={
"env": "test",
"team": "testers"
},
),
dict(
trace_id=trace_id_low,
parent_id=0,
span_id=parent_id,
name="tests.test_datadog_exporter.INTERNAL",
resource=span_names[1],
start=start_times[1],
duration=durations[1],
error=0,
service="test-service",
meta={
"env": "test",
"team": "testers",
"version": "0.0.1"
},
),
dict(
trace_id=trace_id_low,
parent_id=0,
span_id=other_id,
name=span_names[2],
resource=span_names[2],
start=start_times[2],
duration=durations[2],
error=0,
service="test-service",
meta={
"env": "test",
"team": "testers",
"version": "0.0.1"
},
),
]
self.assertEqual(datadog_spans, expected_spans)
