mirror of
https://github.com/open-telemetry/opentelemetry-go.git
synced 2024-12-10 09:50:58 +02:00
316 lines
8.9 KiB
Go
316 lines
8.9 KiB
Go
// 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.
|
|
|
|
package trace
|
|
|
|
import (
|
|
"context"
|
|
"errors"
|
|
"fmt"
|
|
"math/rand"
|
|
"testing"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
"github.com/stretchr/testify/require"
|
|
|
|
ottest "go.opentelemetry.io/otel/internal/internaltest"
|
|
"go.opentelemetry.io/otel/trace"
|
|
)
|
|
|
|
type basicSpanProcessor struct {
|
|
flushed bool
|
|
closed bool
|
|
injectShutdownError error
|
|
}
|
|
|
|
func (t *basicSpanProcessor) Shutdown(context.Context) error {
|
|
t.closed = true
|
|
return t.injectShutdownError
|
|
}
|
|
|
|
func (t *basicSpanProcessor) OnStart(context.Context, ReadWriteSpan) {}
|
|
func (t *basicSpanProcessor) OnEnd(ReadOnlySpan) {}
|
|
func (t *basicSpanProcessor) ForceFlush(context.Context) error {
|
|
t.flushed = true
|
|
return nil
|
|
}
|
|
|
|
func TestForceFlushAndShutdownTraceProviderWithoutProcessor(t *testing.T) {
|
|
stp := NewTracerProvider()
|
|
assert.NoError(t, stp.ForceFlush(context.Background()))
|
|
assert.NoError(t, stp.Shutdown(context.Background()))
|
|
assert.True(t, stp.isShutdown)
|
|
}
|
|
|
|
func TestShutdownTraceProvider(t *testing.T) {
|
|
stp := NewTracerProvider()
|
|
sp := &basicSpanProcessor{}
|
|
stp.RegisterSpanProcessor(sp)
|
|
|
|
assert.NoError(t, stp.ForceFlush(context.Background()))
|
|
assert.True(t, sp.flushed, "error ForceFlush basicSpanProcessor")
|
|
assert.NoError(t, stp.Shutdown(context.Background()))
|
|
assert.True(t, stp.isShutdown)
|
|
assert.True(t, sp.closed, "error Shutdown basicSpanProcessor")
|
|
}
|
|
|
|
func TestFailedProcessorShutdown(t *testing.T) {
|
|
stp := NewTracerProvider()
|
|
spErr := errors.New("basic span processor shutdown failure")
|
|
sp := &basicSpanProcessor{
|
|
injectShutdownError: spErr,
|
|
}
|
|
stp.RegisterSpanProcessor(sp)
|
|
|
|
err := stp.Shutdown(context.Background())
|
|
assert.Error(t, err)
|
|
assert.Equal(t, err, spErr)
|
|
assert.True(t, stp.isShutdown)
|
|
}
|
|
|
|
func TestFailedProcessorsShutdown(t *testing.T) {
|
|
stp := NewTracerProvider()
|
|
spErr1 := errors.New("basic span processor shutdown failure1")
|
|
spErr2 := errors.New("basic span processor shutdown failure2")
|
|
sp1 := &basicSpanProcessor{
|
|
injectShutdownError: spErr1,
|
|
}
|
|
sp2 := &basicSpanProcessor{
|
|
injectShutdownError: spErr2,
|
|
}
|
|
stp.RegisterSpanProcessor(sp1)
|
|
stp.RegisterSpanProcessor(sp2)
|
|
|
|
err := stp.Shutdown(context.Background())
|
|
assert.Error(t, err)
|
|
assert.EqualError(t, err, "basic span processor shutdown failure1; basic span processor shutdown failure2")
|
|
assert.True(t, sp1.closed)
|
|
assert.True(t, sp2.closed)
|
|
assert.True(t, stp.isShutdown)
|
|
}
|
|
|
|
func TestFailedProcessorShutdownInUnregister(t *testing.T) {
|
|
handler.Reset()
|
|
stp := NewTracerProvider()
|
|
spErr := errors.New("basic span processor shutdown failure")
|
|
sp := &basicSpanProcessor{
|
|
injectShutdownError: spErr,
|
|
}
|
|
stp.RegisterSpanProcessor(sp)
|
|
stp.UnregisterSpanProcessor(sp)
|
|
|
|
assert.Contains(t, handler.errs, spErr)
|
|
|
|
err := stp.Shutdown(context.Background())
|
|
assert.NoError(t, err)
|
|
assert.True(t, stp.isShutdown)
|
|
}
|
|
|
|
func TestSchemaURL(t *testing.T) {
|
|
stp := NewTracerProvider()
|
|
schemaURL := "https://opentelemetry.io/schemas/1.2.0"
|
|
tracerIface := stp.Tracer("tracername", trace.WithSchemaURL(schemaURL))
|
|
|
|
// Verify that the SchemaURL of the constructed Tracer is correctly populated.
|
|
tracerStruct := tracerIface.(*tracer)
|
|
assert.EqualValues(t, schemaURL, tracerStruct.instrumentationScope.SchemaURL)
|
|
}
|
|
|
|
func TestRegisterAfterShutdownWithoutProcessors(t *testing.T) {
|
|
stp := NewTracerProvider()
|
|
err := stp.Shutdown(context.Background())
|
|
assert.NoError(t, err)
|
|
assert.True(t, stp.isShutdown)
|
|
|
|
sp := &basicSpanProcessor{}
|
|
stp.RegisterSpanProcessor(sp) // no-op
|
|
assert.Empty(t, stp.spanProcessors.Load().(spanProcessorStates))
|
|
}
|
|
|
|
func TestRegisterAfterShutdownWithProcessors(t *testing.T) {
|
|
stp := NewTracerProvider()
|
|
sp1 := &basicSpanProcessor{}
|
|
|
|
stp.RegisterSpanProcessor(sp1)
|
|
err := stp.Shutdown(context.Background())
|
|
assert.NoError(t, err)
|
|
assert.True(t, stp.isShutdown)
|
|
assert.Empty(t, stp.spanProcessors.Load().(spanProcessorStates))
|
|
|
|
sp2 := &basicSpanProcessor{}
|
|
stp.RegisterSpanProcessor(sp2) // no-op
|
|
assert.Empty(t, stp.spanProcessors.Load().(spanProcessorStates))
|
|
}
|
|
|
|
func TestTracerProviderSamplerConfigFromEnv(t *testing.T) {
|
|
type testCase struct {
|
|
sampler string
|
|
samplerArg string
|
|
argOptional bool
|
|
description string
|
|
errorType error
|
|
invalidArgErrorType interface{}
|
|
}
|
|
|
|
randFloat := rand.Float64()
|
|
|
|
tests := []testCase{
|
|
{
|
|
sampler: "invalid-sampler",
|
|
argOptional: true,
|
|
description: ParentBased(AlwaysSample()).Description(),
|
|
errorType: errUnsupportedSampler("invalid-sampler"),
|
|
invalidArgErrorType: func() *errUnsupportedSampler { e := errUnsupportedSampler("invalid-sampler"); return &e }(),
|
|
},
|
|
{
|
|
sampler: "always_on",
|
|
argOptional: true,
|
|
description: AlwaysSample().Description(),
|
|
},
|
|
{
|
|
sampler: "always_off",
|
|
argOptional: true,
|
|
description: NeverSample().Description(),
|
|
},
|
|
{
|
|
sampler: "traceidratio",
|
|
samplerArg: fmt.Sprintf("%g", randFloat),
|
|
description: TraceIDRatioBased(randFloat).Description(),
|
|
},
|
|
{
|
|
sampler: "traceidratio",
|
|
samplerArg: fmt.Sprintf("%g", -randFloat),
|
|
description: TraceIDRatioBased(1.0).Description(),
|
|
errorType: errNegativeTraceIDRatio,
|
|
},
|
|
{
|
|
sampler: "traceidratio",
|
|
samplerArg: fmt.Sprintf("%g", 1+randFloat),
|
|
description: TraceIDRatioBased(1.0).Description(),
|
|
errorType: errGreaterThanOneTraceIDRatio,
|
|
},
|
|
{
|
|
sampler: "traceidratio",
|
|
argOptional: true,
|
|
description: TraceIDRatioBased(1.0).Description(),
|
|
invalidArgErrorType: new(samplerArgParseError),
|
|
},
|
|
{
|
|
sampler: "parentbased_always_on",
|
|
argOptional: true,
|
|
description: ParentBased(AlwaysSample()).Description(),
|
|
},
|
|
{
|
|
sampler: "parentbased_always_off",
|
|
argOptional: true,
|
|
description: ParentBased(NeverSample()).Description(),
|
|
},
|
|
{
|
|
sampler: "parentbased_traceidratio",
|
|
samplerArg: fmt.Sprintf("%g", randFloat),
|
|
description: ParentBased(TraceIDRatioBased(randFloat)).Description(),
|
|
},
|
|
{
|
|
sampler: "parentbased_traceidratio",
|
|
samplerArg: fmt.Sprintf("%g", -randFloat),
|
|
description: ParentBased(TraceIDRatioBased(1.0)).Description(),
|
|
errorType: errNegativeTraceIDRatio,
|
|
},
|
|
{
|
|
sampler: "parentbased_traceidratio",
|
|
samplerArg: fmt.Sprintf("%g", 1+randFloat),
|
|
description: ParentBased(TraceIDRatioBased(1.0)).Description(),
|
|
errorType: errGreaterThanOneTraceIDRatio,
|
|
},
|
|
{
|
|
sampler: "parentbased_traceidratio",
|
|
argOptional: true,
|
|
description: ParentBased(TraceIDRatioBased(1.0)).Description(),
|
|
invalidArgErrorType: new(samplerArgParseError),
|
|
},
|
|
}
|
|
|
|
handler.Reset()
|
|
|
|
for _, test := range tests {
|
|
t.Run(test.sampler, func(t *testing.T) {
|
|
envVars := map[string]string{
|
|
"OTEL_TRACES_SAMPLER": test.sampler,
|
|
}
|
|
|
|
if test.samplerArg != "" {
|
|
envVars["OTEL_TRACES_SAMPLER_ARG"] = test.samplerArg
|
|
}
|
|
envStore, err := ottest.SetEnvVariables(envVars)
|
|
require.NoError(t, err)
|
|
t.Cleanup(func() {
|
|
handler.Reset()
|
|
require.NoError(t, envStore.Restore())
|
|
})
|
|
|
|
stp := NewTracerProvider(WithSyncer(NewTestExporter()))
|
|
assert.Equal(t, test.description, stp.sampler.Description())
|
|
if test.errorType != nil {
|
|
testStoredError(t, test.errorType)
|
|
} else {
|
|
assert.Empty(t, handler.errs)
|
|
}
|
|
|
|
if test.argOptional {
|
|
t.Run("invalid sampler arg", func(t *testing.T) {
|
|
envStore, err := ottest.SetEnvVariables(map[string]string{
|
|
"OTEL_TRACES_SAMPLER": test.sampler,
|
|
"OTEL_TRACES_SAMPLER_ARG": "invalid-ignored-string",
|
|
})
|
|
require.NoError(t, err)
|
|
t.Cleanup(func() {
|
|
handler.Reset()
|
|
require.NoError(t, envStore.Restore())
|
|
})
|
|
|
|
stp := NewTracerProvider(WithSyncer(NewTestExporter()))
|
|
t.Cleanup(func() {
|
|
require.NoError(t, stp.Shutdown(context.Background()))
|
|
})
|
|
assert.Equal(t, test.description, stp.sampler.Description())
|
|
|
|
if test.invalidArgErrorType != nil {
|
|
testStoredError(t, test.invalidArgErrorType)
|
|
} else {
|
|
assert.Empty(t, handler.errs)
|
|
}
|
|
})
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func testStoredError(t *testing.T, target interface{}) {
|
|
t.Helper()
|
|
|
|
if assert.Len(t, handler.errs, 1) && assert.Error(t, handler.errs[0]) {
|
|
err := handler.errs[0]
|
|
|
|
require.Implements(t, (*error)(nil), target)
|
|
require.NotNil(t, target.(error))
|
|
|
|
defer handler.Reset()
|
|
if errors.Is(err, target.(error)) {
|
|
return
|
|
}
|
|
|
|
assert.ErrorAs(t, err, target)
|
|
}
|
|
}
|