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sampler.go
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/
sampler.go
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// Unless explicitly stated otherwise all files in this repository are licensed
// under the Apache License Version 2.0.
// This product includes software developed at Datadog (https://www.datadoghq.com/).
// Copyright 2016-present Datadog, Inc.
package testutil
import (
"github.com/DataDog/datadog-agent/pkg/trace/pb"
"github.com/DataDog/datadog-agent/pkg/trace/sampler"
)
// MockEngine mocks a sampler engine
type MockEngine struct {
wantSampled bool
}
// NewMockEngine returns a MockEngine for tests
func NewMockEngine(wantSampled bool) *MockEngine {
return &MockEngine{wantSampled: wantSampled}
}
// Sample returns a constant rate
func (e *MockEngine) Sample(_ pb.Trace, _ *pb.Span, _ string) bool {
return e.wantSampled
}
// Run mocks Engine.Run()
func (e *MockEngine) Run() {
return
}
// Stop mocks Engine.Stop()
func (e *MockEngine) Stop() {
return
}
// GetState mocks Engine.GetState()
func (e *MockEngine) GetState() interface{} {
return nil
}
// GetType mocks Engine.GetType()
func (e *MockEngine) GetType() sampler.EngineType {
return sampler.NormalScoreEngineType
}