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test_trace.py
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test_trace.py
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# Copyright The OpenTelemetry Authors
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# pylint: disable=too-many-lines
# pylint: disable=no-member
import shutil
import subprocess
import unittest
from importlib import reload
from logging import ERROR, WARNING
from random import randint
from time import time_ns
from typing import Optional
from unittest import mock
from unittest.mock import Mock, patch
from opentelemetry import trace as trace_api
from opentelemetry.attributes import BoundedAttributes
from opentelemetry.context import Context
from opentelemetry.sdk import resources, trace
from opentelemetry.sdk.environment_variables import (
OTEL_ATTRIBUTE_COUNT_LIMIT,
OTEL_ATTRIBUTE_VALUE_LENGTH_LIMIT,
OTEL_EVENT_ATTRIBUTE_COUNT_LIMIT,
OTEL_LINK_ATTRIBUTE_COUNT_LIMIT,
OTEL_SDK_DISABLED,
OTEL_SPAN_ATTRIBUTE_COUNT_LIMIT,
OTEL_SPAN_ATTRIBUTE_VALUE_LENGTH_LIMIT,
OTEL_SPAN_EVENT_COUNT_LIMIT,
OTEL_SPAN_LINK_COUNT_LIMIT,
OTEL_TRACES_SAMPLER,
OTEL_TRACES_SAMPLER_ARG,
)
from opentelemetry.sdk.trace import Resource, TracerProvider
from opentelemetry.sdk.trace.id_generator import RandomIdGenerator
from opentelemetry.sdk.trace.sampling import (
ALWAYS_OFF,
ALWAYS_ON,
Decision,
ParentBased,
StaticSampler,
)
from opentelemetry.sdk.util import BoundedDict, ns_to_iso_str
from opentelemetry.sdk.util.instrumentation import InstrumentationInfo
from opentelemetry.test.spantestutil import (
get_span_with_dropped_attributes_events_links,
new_tracer,
)
from opentelemetry.trace import (
Status,
StatusCode,
get_tracer,
set_tracer_provider,
)
class TestTracer(unittest.TestCase):
def test_no_deprecated_warning(self):
with self.assertRaises(AssertionError):
with self.assertWarns(DeprecationWarning):
TracerProvider(Mock(), Mock()).get_tracer(Mock(), Mock())
# This is being added here to make sure the filter on
# InstrumentationInfo does not affect other DeprecationWarnings that
# may be raised.
with self.assertWarns(DeprecationWarning):
BoundedDict(0)
def test_extends_api(self):
tracer = new_tracer()
self.assertIsInstance(tracer, trace.Tracer)
self.assertIsInstance(tracer, trace_api.Tracer)
def test_shutdown(self):
tracer_provider = trace.TracerProvider()
mock_processor1 = mock.Mock(spec=trace.SpanProcessor)
tracer_provider.add_span_processor(mock_processor1)
mock_processor2 = mock.Mock(spec=trace.SpanProcessor)
tracer_provider.add_span_processor(mock_processor2)
tracer_provider.shutdown()
self.assertEqual(mock_processor1.shutdown.call_count, 1)
self.assertEqual(mock_processor2.shutdown.call_count, 1)
shutdown_python_code = """
import atexit
from unittest import mock
from opentelemetry.sdk import trace
mock_processor = mock.Mock(spec=trace.SpanProcessor)
def print_shutdown_count():
print(mock_processor.shutdown.call_count)
# atexit hooks are called in inverse order they are added, so do this before
# creating the tracer
atexit.register(print_shutdown_count)
tracer_provider = trace.TracerProvider({tracer_parameters})
tracer_provider.add_span_processor(mock_processor)
{tracer_shutdown}
"""
def run_general_code(shutdown_on_exit, explicit_shutdown):
tracer_parameters = ""
tracer_shutdown = ""
if not shutdown_on_exit:
tracer_parameters = "shutdown_on_exit=False"
if explicit_shutdown:
tracer_shutdown = "tracer_provider.shutdown()"
return subprocess.check_output(
[
# use shutil to avoid calling python outside the
# virtualenv on windows.
shutil.which("python"),
"-c",
shutdown_python_code.format(
tracer_parameters=tracer_parameters,
tracer_shutdown=tracer_shutdown,
),
]
)
# test default shutdown_on_exit (True)
out = run_general_code(True, False)
self.assertTrue(out.startswith(b"1"))
# test that shutdown is called only once even if Tracer.shutdown is
# called explicitly
out = run_general_code(True, True)
self.assertTrue(out.startswith(b"1"))
# test shutdown_on_exit=False
out = run_general_code(False, False)
self.assertTrue(out.startswith(b"0"))
def test_tracer_provider_accepts_concurrent_multi_span_processor(self):
span_processor = trace.ConcurrentMultiSpanProcessor(2)
tracer_provider = trace.TracerProvider(
active_span_processor=span_processor
)
# pylint: disable=protected-access
self.assertEqual(
span_processor, tracer_provider._active_span_processor
)
def test_get_tracer_sdk(self):
tracer_provider = trace.TracerProvider()
tracer = tracer_provider.get_tracer(
"module_name",
"library_version",
"schema_url",
{"key1": "value1", "key2": 6},
)
# pylint: disable=protected-access
self.assertEqual(tracer._instrumentation_scope._name, "module_name")
# pylint: disable=protected-access
self.assertEqual(
tracer._instrumentation_scope._version, "library_version"
)
# pylint: disable=protected-access
self.assertEqual(
tracer._instrumentation_scope._schema_url, "schema_url"
)
# pylint: disable=protected-access
self.assertEqual(
tracer._instrumentation_scope._attributes,
{"key1": "value1", "key2": 6},
)
@mock.patch.dict("os.environ", {OTEL_SDK_DISABLED: "true"})
def test_get_tracer_with_sdk_disabled(self):
tracer_provider = trace.TracerProvider()
self.assertIsInstance(
tracer_provider.get_tracer(Mock()), trace_api.NoOpTracer
)
class TestTracerSampling(unittest.TestCase):
def tearDown(self):
reload(trace)
def test_default_sampler(self):
tracer = new_tracer()
# Check that the default tracer creates real spans via the default
# sampler
root_span = tracer.start_span(name="root span", context=None)
ctx = trace_api.set_span_in_context(root_span)
self.assertIsInstance(root_span, trace.Span)
child_span = tracer.start_span(name="child span", context=ctx)
self.assertIsInstance(child_span, trace.Span)
self.assertTrue(root_span.context.trace_flags.sampled)
self.assertEqual(
root_span.get_span_context().trace_flags,
trace_api.TraceFlags.SAMPLED,
)
self.assertEqual(
child_span.get_span_context().trace_flags,
trace_api.TraceFlags.SAMPLED,
)
def test_default_sampler_type(self):
tracer_provider = trace.TracerProvider()
self.verify_default_sampler(tracer_provider)
@mock.patch("opentelemetry.sdk.trace.sampling._get_from_env_or_default")
def test_sampler_no_sampling(self, _get_from_env_or_default):
tracer_provider = trace.TracerProvider(ALWAYS_OFF)
tracer = tracer_provider.get_tracer(__name__)
# Check that the default tracer creates no-op spans if the sampler
# decides not to sampler
root_span = tracer.start_span(name="root span", context=None)
ctx = trace_api.set_span_in_context(root_span)
self.assertIsInstance(root_span, trace_api.NonRecordingSpan)
child_span = tracer.start_span(name="child span", context=ctx)
self.assertIsInstance(child_span, trace_api.NonRecordingSpan)
self.assertEqual(
root_span.get_span_context().trace_flags,
trace_api.TraceFlags.DEFAULT,
)
self.assertEqual(
child_span.get_span_context().trace_flags,
trace_api.TraceFlags.DEFAULT,
)
self.assertFalse(_get_from_env_or_default.called)
@mock.patch.dict("os.environ", {OTEL_TRACES_SAMPLER: "always_off"})
def test_sampler_with_env(self):
# pylint: disable=protected-access
reload(trace)
tracer_provider = trace.TracerProvider()
self.assertIsInstance(tracer_provider.sampler, StaticSampler)
self.assertEqual(tracer_provider.sampler._decision, Decision.DROP)
tracer = tracer_provider.get_tracer(__name__)
root_span = tracer.start_span(name="root span", context=None)
# Should be no-op
self.assertIsInstance(root_span, trace_api.NonRecordingSpan)
@mock.patch.dict(
"os.environ",
{
OTEL_TRACES_SAMPLER: "parentbased_traceidratio",
OTEL_TRACES_SAMPLER_ARG: "0.25",
},
)
def test_ratio_sampler_with_env(self):
# pylint: disable=protected-access
reload(trace)
tracer_provider = trace.TracerProvider()
self.assertIsInstance(tracer_provider.sampler, ParentBased)
self.assertEqual(tracer_provider.sampler._root.rate, 0.25)
def verify_default_sampler(self, tracer_provider):
self.assertIsInstance(tracer_provider.sampler, ParentBased)
# pylint: disable=protected-access
self.assertEqual(tracer_provider.sampler._root, ALWAYS_ON)
class TestSpanCreation(unittest.TestCase):
def test_start_span_invalid_spancontext(self):
"""If an invalid span context is passed as the parent, the created
span should use a new span id.
Invalid span contexts should also not be added as a parent. This
eliminates redundant error handling logic in exporters.
"""
tracer = new_tracer()
parent_context = trace_api.set_span_in_context(
trace_api.INVALID_SPAN_CONTEXT
)
new_span = tracer.start_span("root", context=parent_context)
self.assertTrue(new_span.context.is_valid)
self.assertIsNone(new_span.parent)
def test_instrumentation_info(self):
tracer_provider = trace.TracerProvider()
schema_url = "https://opentelemetry.io/schemas/1.3.0"
tracer1 = tracer_provider.get_tracer("instr1")
tracer2 = tracer_provider.get_tracer("instr2", "1.3b3", schema_url)
span1 = tracer1.start_span("s1")
span2 = tracer2.start_span("s2")
with self.assertWarns(DeprecationWarning):
self.assertEqual(
span1.instrumentation_info, InstrumentationInfo("instr1", "")
)
with self.assertWarns(DeprecationWarning):
self.assertEqual(
span2.instrumentation_info,
InstrumentationInfo("instr2", "1.3b3", schema_url),
)
with self.assertWarns(DeprecationWarning):
self.assertEqual(span2.instrumentation_info.schema_url, schema_url)
with self.assertWarns(DeprecationWarning):
self.assertEqual(span2.instrumentation_info.version, "1.3b3")
with self.assertWarns(DeprecationWarning):
self.assertEqual(span2.instrumentation_info.name, "instr2")
with self.assertWarns(DeprecationWarning):
self.assertLess(
span1.instrumentation_info, span2.instrumentation_info
) # Check sortability.
def test_invalid_instrumentation_info(self):
tracer_provider = trace.TracerProvider()
with self.assertLogs(level=ERROR):
tracer1 = tracer_provider.get_tracer("")
with self.assertLogs(level=ERROR):
tracer2 = tracer_provider.get_tracer(None)
self.assertIsInstance(
tracer1.instrumentation_info, InstrumentationInfo
)
span1 = tracer1.start_span("foo")
self.assertTrue(span1.is_recording())
self.assertEqual(tracer1.instrumentation_info.schema_url, "")
self.assertEqual(tracer1.instrumentation_info.version, "")
self.assertEqual(tracer1.instrumentation_info.name, "")
self.assertIsInstance(
tracer2.instrumentation_info, InstrumentationInfo
)
span2 = tracer2.start_span("bar")
self.assertTrue(span2.is_recording())
self.assertEqual(tracer2.instrumentation_info.schema_url, "")
self.assertEqual(tracer2.instrumentation_info.version, "")
self.assertEqual(tracer2.instrumentation_info.name, "")
self.assertEqual(
tracer1.instrumentation_info, tracer2.instrumentation_info
)
def test_span_processor_for_source(self):
tracer_provider = trace.TracerProvider()
tracer1 = tracer_provider.get_tracer("instr1")
tracer2 = tracer_provider.get_tracer("instr2", "1.3b3")
span1 = tracer1.start_span("s1")
span2 = tracer2.start_span("s2")
# pylint:disable=protected-access
self.assertIs(
span1._span_processor, tracer_provider._active_span_processor
)
self.assertIs(
span2._span_processor, tracer_provider._active_span_processor
)
def test_start_span_implicit(self):
tracer = new_tracer()
self.assertEqual(trace_api.get_current_span(), trace_api.INVALID_SPAN)
root = tracer.start_span("root")
self.assertIsNotNone(root.start_time)
self.assertIsNone(root.end_time)
self.assertEqual(root.kind, trace_api.SpanKind.INTERNAL)
with trace_api.use_span(root, True):
self.assertIs(trace_api.get_current_span(), root)
with tracer.start_span(
"child", kind=trace_api.SpanKind.CLIENT
) as child:
self.assertIs(child.parent, root.get_span_context())
self.assertEqual(child.kind, trace_api.SpanKind.CLIENT)
self.assertIsNotNone(child.start_time)
self.assertIsNone(child.end_time)
# The new child span should inherit the parent's context but
# get a new span ID.
root_context = root.get_span_context()
child_context = child.get_span_context()
self.assertEqual(root_context.trace_id, child_context.trace_id)
self.assertNotEqual(
root_context.span_id, child_context.span_id
)
self.assertEqual(
root_context.trace_state, child_context.trace_state
)
self.assertEqual(
root_context.trace_flags, child_context.trace_flags
)
# Verify start_span() did not set the current span.
self.assertIs(trace_api.get_current_span(), root)
self.assertIsNotNone(child.end_time)
self.assertEqual(trace_api.get_current_span(), trace_api.INVALID_SPAN)
self.assertIsNotNone(root.end_time)
def test_start_span_explicit(self):
tracer = new_tracer()
other_parent = trace._Span(
"name",
trace_api.SpanContext(
trace_id=0x000000000000000000000000DEADBEEF,
span_id=0x00000000DEADBEF0,
is_remote=False,
trace_flags=trace_api.TraceFlags(trace_api.TraceFlags.SAMPLED),
),
)
other_parent_context = trace_api.set_span_in_context(other_parent)
self.assertEqual(trace_api.get_current_span(), trace_api.INVALID_SPAN)
root = tracer.start_span("root")
self.assertIsNotNone(root.start_time)
self.assertIsNone(root.end_time)
# Test with the implicit root span
with trace_api.use_span(root, True):
self.assertIs(trace_api.get_current_span(), root)
with tracer.start_span("stepchild", other_parent_context) as child:
# The child's parent should be the one passed in,
# not the current span.
self.assertNotEqual(child.parent, root)
self.assertIs(child.parent, other_parent.get_span_context())
self.assertIsNotNone(child.start_time)
self.assertIsNone(child.end_time)
# The child should inherit its context from the explicit
# parent, not the current span.
child_context = child.get_span_context()
self.assertEqual(
other_parent.get_span_context().trace_id,
child_context.trace_id,
)
self.assertNotEqual(
other_parent.get_span_context().span_id,
child_context.span_id,
)
self.assertEqual(
other_parent.get_span_context().trace_state,
child_context.trace_state,
)
self.assertEqual(
other_parent.get_span_context().trace_flags,
child_context.trace_flags,
)
# Verify start_span() did not set the current span.
self.assertIs(trace_api.get_current_span(), root)
# Verify ending the child did not set the current span.
self.assertIs(trace_api.get_current_span(), root)
self.assertIsNotNone(child.end_time)
def test_start_as_current_span_implicit(self):
tracer = new_tracer()
self.assertEqual(trace_api.get_current_span(), trace_api.INVALID_SPAN)
with tracer.start_as_current_span("root") as root:
self.assertIs(trace_api.get_current_span(), root)
with tracer.start_as_current_span("child") as child:
self.assertIs(trace_api.get_current_span(), child)
self.assertIs(child.parent, root.get_span_context())
# After exiting the child's scope the parent should become the
# current span again.
self.assertIs(trace_api.get_current_span(), root)
self.assertIsNotNone(child.end_time)
self.assertEqual(trace_api.get_current_span(), trace_api.INVALID_SPAN)
self.assertIsNotNone(root.end_time)
def test_start_as_current_span_explicit(self):
tracer = new_tracer()
other_parent = trace._Span(
"name",
trace_api.SpanContext(
trace_id=0x000000000000000000000000DEADBEEF,
span_id=0x00000000DEADBEF0,
is_remote=False,
trace_flags=trace_api.TraceFlags(trace_api.TraceFlags.SAMPLED),
),
)
other_parent_ctx = trace_api.set_span_in_context(other_parent)
self.assertEqual(trace_api.get_current_span(), trace_api.INVALID_SPAN)
# Test with the implicit root span
with tracer.start_as_current_span("root") as root:
self.assertIs(trace_api.get_current_span(), root)
self.assertIsNotNone(root.start_time)
self.assertIsNone(root.end_time)
with tracer.start_as_current_span(
"stepchild", other_parent_ctx
) as child:
# The child should become the current span as usual, but its
# parent should be the one passed in, not the
# previously-current span.
self.assertIs(trace_api.get_current_span(), child)
self.assertNotEqual(child.parent, root)
self.assertIs(child.parent, other_parent.get_span_context())
# After exiting the child's scope the last span on the stack should
# become current, not the child's parent.
self.assertNotEqual(trace_api.get_current_span(), other_parent)
self.assertIs(trace_api.get_current_span(), root)
self.assertIsNotNone(child.end_time)
def test_start_as_current_span_decorator(self):
tracer = new_tracer()
self.assertEqual(trace_api.get_current_span(), trace_api.INVALID_SPAN)
@tracer.start_as_current_span("root")
def func():
root = trace_api.get_current_span()
with tracer.start_as_current_span("child") as child:
self.assertIs(trace_api.get_current_span(), child)
self.assertIs(child.parent, root.get_span_context())
# After exiting the child's scope the parent should become the
# current span again.
self.assertIs(trace_api.get_current_span(), root)
self.assertIsNotNone(child.end_time)
return root
root1 = func()
self.assertEqual(trace_api.get_current_span(), trace_api.INVALID_SPAN)
self.assertIsNotNone(root1.end_time)
# Second call must create a new span
root2 = func()
self.assertEqual(trace_api.get_current_span(), trace_api.INVALID_SPAN)
self.assertIsNotNone(root2.end_time)
self.assertIsNot(root1, root2)
def test_start_as_current_span_no_end_on_exit(self):
tracer = new_tracer()
with tracer.start_as_current_span("root", end_on_exit=False) as root:
self.assertIsNone(root.end_time)
self.assertIsNone(root.end_time)
def test_explicit_span_resource(self):
resource = resources.Resource.create({})
tracer_provider = trace.TracerProvider(resource=resource)
tracer = tracer_provider.get_tracer(__name__)
span = tracer.start_span("root")
self.assertIs(span.resource, resource)
def test_default_span_resource(self):
tracer_provider = trace.TracerProvider()
tracer = tracer_provider.get_tracer(__name__)
span = tracer.start_span("root")
# pylint: disable=protected-access
self.assertIsInstance(span.resource, resources.Resource)
self.assertEqual(
span.resource.attributes.get(resources.SERVICE_NAME),
"unknown_service",
)
self.assertEqual(
span.resource.attributes.get(resources.TELEMETRY_SDK_LANGUAGE),
"python",
)
self.assertEqual(
span.resource.attributes.get(resources.TELEMETRY_SDK_NAME),
"opentelemetry",
)
self.assertEqual(
span.resource.attributes.get(resources.TELEMETRY_SDK_VERSION),
resources._OPENTELEMETRY_SDK_VERSION,
)
def test_span_context_remote_flag(self):
tracer = new_tracer()
span = tracer.start_span("foo")
self.assertFalse(span.context.is_remote)
def test_disallow_direct_span_creation(self):
with self.assertRaises(TypeError):
# pylint: disable=abstract-class-instantiated
trace.Span("name", mock.Mock(spec=trace_api.SpanContext))
def test_surplus_span_links(self):
# pylint: disable=protected-access
max_links = trace.SpanLimits().max_links
links = [
trace_api.Link(trace_api.SpanContext(0x1, idx, is_remote=False))
for idx in range(0, 16 + max_links)
]
tracer = new_tracer()
with tracer.start_as_current_span("span", links=links) as root:
self.assertEqual(len(root.links), max_links)
def test_surplus_span_attributes(self):
# pylint: disable=protected-access
max_attrs = trace.SpanLimits().max_span_attributes
attributes = {str(idx): idx for idx in range(0, 16 + max_attrs)}
tracer = new_tracer()
with tracer.start_as_current_span(
"span", attributes=attributes
) as root:
self.assertEqual(len(root.attributes), max_attrs)
class TestReadableSpan(unittest.TestCase):
def test_links(self):
span = trace.ReadableSpan("test")
self.assertEqual(span.links, ())
span = trace.ReadableSpan(
"test",
links=[trace_api.Link(context=trace_api.INVALID_SPAN_CONTEXT)] * 2,
)
self.assertEqual(len(span.links), 2)
for link in span.links:
self.assertFalse(link.context.is_valid)
def test_events(self):
span = trace.ReadableSpan("test")
self.assertEqual(span.events, ())
events = [
trace.Event("foo1", {"bar1": "baz1"}),
trace.Event("foo2", {"bar2": "baz2"}),
]
span = trace.ReadableSpan("test", events=events)
self.assertEqual(span.events, tuple(events))
def test_event_dropped_attributes(self):
event1 = trace.Event(
"foo1", BoundedAttributes(0, attributes={"bar1": "baz1"})
)
self.assertEqual(event1.dropped_attributes, 1)
event2 = trace.Event("foo2", {"bar2": "baz2"})
self.assertEqual(event2.dropped_attributes, 0)
def test_link_dropped_attributes(self):
link1 = trace_api.Link(
mock.Mock(spec=trace_api.SpanContext),
BoundedAttributes(0, attributes={"bar1": "baz1"}),
)
self.assertEqual(link1.dropped_attributes, 1)
link2 = trace_api.Link(
mock.Mock(spec=trace_api.SpanContext),
{"bar2": "baz2"},
)
self.assertEqual(link2.dropped_attributes, 0)
class DummyError(Exception):
pass
class TestSpan(unittest.TestCase):
# pylint: disable=too-many-public-methods
def setUp(self):
self.tracer = new_tracer()
def test_basic_span(self):
span = trace._Span("name", mock.Mock(spec=trace_api.SpanContext))
self.assertEqual(span.name, "name")
def test_attributes(self):
with self.tracer.start_as_current_span("root") as root:
root.set_attributes(
{
"http.request.method": "GET",
"url.full": "https://example.com:779/path/12/?q=d#123",
}
)
root.set_attribute("http.response.status_code", 200)
root.set_attribute("http.status_text", "OK")
root.set_attribute("misc.pi", 3.14)
# Setting an attribute with the same key as an existing attribute
# SHOULD overwrite the existing attribute's value.
root.set_attribute("attr-key", "attr-value1")
root.set_attribute("attr-key", "attr-value2")
root.set_attribute("empty-list", [])
list_of_bools = [True, True, False]
root.set_attribute("list-of-bools", list_of_bools)
list_of_numerics = [123, 314, 0]
root.set_attribute("list-of-numerics", list_of_numerics)
self.assertEqual(len(root.attributes), 9)
self.assertEqual(root.attributes["http.request.method"], "GET")
self.assertEqual(
root.attributes["url.full"],
"https://example.com:779/path/12/?q=d#123",
)
self.assertEqual(root.attributes["http.response.status_code"], 200)
self.assertEqual(root.attributes["http.status_text"], "OK")
self.assertEqual(root.attributes["misc.pi"], 3.14)
self.assertEqual(root.attributes["attr-key"], "attr-value2")
self.assertEqual(root.attributes["empty-list"], ())
self.assertEqual(
root.attributes["list-of-bools"], (True, True, False)
)
list_of_bools.append(False)
self.assertEqual(
root.attributes["list-of-bools"], (True, True, False)
)
self.assertEqual(
root.attributes["list-of-numerics"], (123, 314, 0)
)
list_of_numerics.append(227)
self.assertEqual(
root.attributes["list-of-numerics"], (123, 314, 0)
)
attributes = {
"attr-key": "val",
"attr-key2": "val2",
"attr-in-both": "span-attr",
}
with self.tracer.start_as_current_span(
"root2", attributes=attributes
) as root:
self.assertEqual(len(root.attributes), 3)
self.assertEqual(root.attributes["attr-key"], "val")
self.assertEqual(root.attributes["attr-key2"], "val2")
self.assertEqual(root.attributes["attr-in-both"], "span-attr")
def test_invalid_attribute_values(self):
with self.tracer.start_as_current_span("root") as root:
with self.assertLogs(level=WARNING):
root.set_attributes(
{"correct-value": "foo", "non-primitive-data-type": {}}
)
with self.assertLogs(level=WARNING):
root.set_attribute("non-primitive-data-type", {})
with self.assertLogs(level=WARNING):
root.set_attribute(
"list-of-mixed-data-types-numeric-first",
[123, False, "string"],
)
with self.assertLogs(level=WARNING):
root.set_attribute(
"list-of-mixed-data-types-non-numeric-first",
[False, 123, "string"],
)
with self.assertLogs(level=WARNING):
root.set_attribute(
"list-with-non-primitive-data-type", [{}, 123]
)
with self.assertLogs(level=WARNING):
root.set_attribute("list-with-numeric-and-bool", [1, True])
with self.assertLogs(level=WARNING):
root.set_attribute("", 123)
with self.assertLogs(level=WARNING):
root.set_attribute(None, 123)
self.assertEqual(len(root.attributes), 1)
self.assertEqual(root.attributes["correct-value"], "foo")
def test_byte_type_attribute_value(self):
with self.tracer.start_as_current_span("root") as root:
with self.assertLogs(level=WARNING):
root.set_attribute(
"invalid-byte-type-attribute",
b"\xd8\xe1\xb7\xeb\xa8\xe5 \xd2\xb7\xe1",
)
self.assertFalse(
"invalid-byte-type-attribute" in root.attributes
)
root.set_attribute("valid-byte-type-attribute", b"valid byte")
self.assertTrue(
isinstance(root.attributes["valid-byte-type-attribute"], str)
)
def test_sampling_attributes(self):
sampling_attributes = {
"sampler-attr": "sample-val",
"attr-in-both": "decision-attr",
}
tracer_provider = trace.TracerProvider(
StaticSampler(Decision.RECORD_AND_SAMPLE)
)
self.tracer = tracer_provider.get_tracer(__name__)
with self.tracer.start_as_current_span(
name="root2", attributes=sampling_attributes
) as root:
self.assertEqual(len(root.attributes), 2)
self.assertEqual(root.attributes["sampler-attr"], "sample-val")
self.assertEqual(root.attributes["attr-in-both"], "decision-attr")
self.assertEqual(
root.get_span_context().trace_flags,
trace_api.TraceFlags.SAMPLED,
)
def test_events(self):
self.assertEqual(trace_api.get_current_span(), trace_api.INVALID_SPAN)
with self.tracer.start_as_current_span("root") as root:
# only event name
root.add_event("event0")
# event name and attributes
root.add_event(
"event1", {"name": "pluto", "some_bools": [True, False]}
)
# event name, attributes and timestamp
now = time_ns()
root.add_event("event2", {"name": ["birthday"]}, now)
mutable_list = ["original_contents"]
root.add_event("event3", {"name": mutable_list})
self.assertEqual(len(root.events), 4)
self.assertEqual(root.events[0].name, "event0")
self.assertEqual(root.events[0].attributes, {})
self.assertEqual(root.events[1].name, "event1")
self.assertEqual(
root.events[1].attributes,
{"name": "pluto", "some_bools": (True, False)},
)
self.assertEqual(root.events[2].name, "event2")
self.assertEqual(
root.events[2].attributes, {"name": ("birthday",)}
)
self.assertEqual(root.events[2].timestamp, now)
self.assertEqual(root.events[3].name, "event3")
self.assertEqual(
root.events[3].attributes, {"name": ("original_contents",)}
)
mutable_list = ["new_contents"]
self.assertEqual(
root.events[3].attributes, {"name": ("original_contents",)}
)
def test_events_are_immutable(self):
event_properties = [
prop for prop in dir(trace.EventBase) if not prop.startswith("_")
]
with self.tracer.start_as_current_span("root") as root:
root.add_event("event0", {"name": ["birthday"]})
event = root.events[0]
for prop in event_properties:
with self.assertRaises(AttributeError):
setattr(event, prop, "something")
def test_event_attributes_are_immutable(self):
with self.tracer.start_as_current_span("root") as root:
root.add_event("event0", {"name": ["birthday"]})
event = root.events[0]
with self.assertRaises(TypeError):
event.attributes["name"][0] = "happy"
with self.assertRaises(TypeError):
event.attributes["name"] = "hello"
def test_invalid_event_attributes(self):
self.assertEqual(trace_api.get_current_span(), trace_api.INVALID_SPAN)
with self.tracer.start_as_current_span("root") as root:
with self.assertLogs(level=WARNING):
root.add_event(
"event0", {"attr1": True, "attr2": ["hi", False]}
)
with self.assertLogs(level=WARNING):
root.add_event("event0", {"attr1": {}})
with self.assertLogs(level=WARNING):
root.add_event("event0", {"attr1": [[True]]})
with self.assertLogs(level=WARNING):
root.add_event("event0", {"attr1": [{}], "attr2": [1, 2]})
self.assertEqual(len(root.events), 4)
self.assertEqual(root.events[0].attributes, {"attr1": True})
self.assertEqual(root.events[1].attributes, {})
self.assertEqual(root.events[2].attributes, {})
self.assertEqual(root.events[3].attributes, {"attr2": (1, 2)})
def test_links(self):
id_generator = RandomIdGenerator()
other_context1 = trace_api.SpanContext(
trace_id=id_generator.generate_trace_id(),
span_id=id_generator.generate_span_id(),
is_remote=False,
)
other_context2 = trace_api.SpanContext(
trace_id=id_generator.generate_trace_id(),
span_id=id_generator.generate_span_id(),
is_remote=False,
)
links = (
trace_api.Link(other_context1),
trace_api.Link(other_context2, {"name": "neighbor"}),
)
with self.tracer.start_as_current_span("root", links=links) as root:
self.assertEqual(len(root.links), 2)
self.assertEqual(
root.links[0].context.trace_id, other_context1.trace_id
)
self.assertEqual(
root.links[0].context.span_id, other_context1.span_id
)
self.assertEqual(0, len(root.links[0].attributes))
self.assertEqual(
root.links[1].context.trace_id, other_context2.trace_id
)
self.assertEqual(
root.links[1].context.span_id, other_context2.span_id
)
self.assertEqual(root.links[1].attributes, {"name": "neighbor"})
with self.assertRaises(TypeError):
root.links[1].attributes["name"] = "new_neighbour"
def test_add_link(self):
id_generator = RandomIdGenerator()
other_context = trace_api.SpanContext(
trace_id=id_generator.generate_trace_id(),
span_id=id_generator.generate_span_id(),
is_remote=False,
)
with self.tracer.start_as_current_span("root") as root:
root.add_link(other_context, {"name": "neighbor"})
self.assertEqual(len(root.links), 1)
self.assertEqual(
root.links[0].context.trace_id, other_context.trace_id
)
self.assertEqual(
root.links[0].context.span_id, other_context.span_id
)
self.assertEqual(root.links[0].attributes, {"name": "neighbor"})
with self.assertRaises(TypeError):
root.links[0].attributes["name"] = "new_neighbour"
def test_add_link_with_invalid_span_context(self):
other_context = trace_api.INVALID_SPAN_CONTEXT
with self.tracer.start_as_current_span("root") as root:
root.add_link(other_context)
root.add_link(None)
self.assertEqual(len(root.links), 0)
with self.tracer.start_as_current_span(
"root", links=[trace_api.Link(other_context), None]
) as root:
self.assertEqual(len(root.links), 0)
def test_add_link_with_invalid_span_context_with_attributes(self):
invalid_context = trace_api.INVALID_SPAN_CONTEXT