opentelemetry-collector/processor/processorhelper/traces_test.go

70 lines
2.7 KiB
Go

// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package processorhelper
import (
"context"
"errors"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"go.opentelemetry.io/collector/component"
"go.opentelemetry.io/collector/component/componenttest"
"go.opentelemetry.io/collector/consumer"
"go.opentelemetry.io/collector/consumer/consumertest"
"go.opentelemetry.io/collector/pdata/ptrace"
"go.opentelemetry.io/collector/processor/processortest"
)
var testTracesCfg = struct{}{}
func TestNewTracesProcessor(t *testing.T) {
tp, err := NewTracesProcessor(context.Background(), processortest.NewNopSettings(), &testTracesCfg, consumertest.NewNop(), newTestTProcessor(nil))
require.NoError(t, err)
assert.True(t, tp.Capabilities().MutatesData)
assert.NoError(t, tp.Start(context.Background(), componenttest.NewNopHost()))
assert.NoError(t, tp.ConsumeTraces(context.Background(), ptrace.NewTraces()))
assert.NoError(t, tp.Shutdown(context.Background()))
}
func TestNewTracesProcessor_WithOptions(t *testing.T) {
want := errors.New("my_error")
tp, err := NewTracesProcessor(context.Background(), processortest.NewNopSettings(), &testTracesCfg, consumertest.NewNop(), newTestTProcessor(nil),
WithStart(func(context.Context, component.Host) error { return want }),
WithShutdown(func(context.Context) error { return want }),
WithCapabilities(consumer.Capabilities{MutatesData: false}))
assert.NoError(t, err)
assert.Equal(t, want, tp.Start(context.Background(), componenttest.NewNopHost()))
assert.Equal(t, want, tp.Shutdown(context.Background()))
assert.False(t, tp.Capabilities().MutatesData)
}
func TestNewTracesProcessor_NilRequiredFields(t *testing.T) {
_, err := NewTracesProcessor(context.Background(), processortest.NewNopSettings(), &testTracesCfg, consumertest.NewNop(), nil)
assert.Error(t, err)
}
func TestNewTracesProcessor_ProcessTraceError(t *testing.T) {
want := errors.New("my_error")
tp, err := NewTracesProcessor(context.Background(), processortest.NewNopSettings(), &testTracesCfg, consumertest.NewNop(), newTestTProcessor(want))
require.NoError(t, err)
assert.Equal(t, want, tp.ConsumeTraces(context.Background(), ptrace.NewTraces()))
}
func TestNewTracesProcessor_ProcessTracesErrSkipProcessingData(t *testing.T) {
tp, err := NewTracesProcessor(context.Background(), processortest.NewNopSettings(), &testTracesCfg, consumertest.NewNop(), newTestTProcessor(ErrSkipProcessingData))
require.NoError(t, err)
assert.Equal(t, nil, tp.ConsumeTraces(context.Background(), ptrace.NewTraces()))
}
func newTestTProcessor(retError error) ProcessTracesFunc {
return func(_ context.Context, td ptrace.Traces) (ptrace.Traces, error) {
return td, retError
}
}