opentelemetry-collector/processor/processorhelper/processor_test.go

198 lines
7.0 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 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/componenterror"
"go.opentelemetry.io/collector/component/componenttest"
"go.opentelemetry.io/collector/config/configmodels"
"go.opentelemetry.io/collector/consumer/pdata"
"go.opentelemetry.io/collector/consumer/pdatautil"
"go.opentelemetry.io/collector/exporter/exportertest"
"go.opentelemetry.io/collector/internal/data/testdata"
"go.opentelemetry.io/collector/internal/dataold/testdataold"
)
const testFullName = "testFullName"
var testCfg = &configmodels.ProcessorSettings{
TypeVal: testFullName,
NameVal: testFullName,
}
func TestWithStart(t *testing.T) {
startCalled := false
start := func(context.Context, component.Host) error { startCalled = true; return nil }
bp := newBaseProcessor(testFullName, WithStart(start))
assert.NoError(t, bp.Start(context.Background(), componenttest.NewNopHost()))
assert.True(t, startCalled)
}
func TestWithStart_ReturnError(t *testing.T) {
want := errors.New("my_error")
start := func(context.Context, component.Host) error { return want }
bp := newBaseProcessor(testFullName, WithStart(start))
assert.Equal(t, want, bp.Start(context.Background(), componenttest.NewNopHost()))
}
func TestWithShutdown(t *testing.T) {
shutdownCalled := false
shutdown := func(context.Context) error { shutdownCalled = true; return nil }
bp := newBaseProcessor(testFullName, WithShutdown(shutdown))
assert.NoError(t, bp.Shutdown(context.Background()))
assert.True(t, shutdownCalled)
}
func TestWithShutdown_ReturnError(t *testing.T) {
want := errors.New("my_error")
shutdownErr := func(context.Context) error { return want }
bp := newBaseProcessor(testFullName, WithShutdown(shutdownErr))
assert.Equal(t, want, bp.Shutdown(context.Background()))
}
func TestWithCapabilities(t *testing.T) {
bp := newBaseProcessor(testFullName)
assert.True(t, bp.GetCapabilities().MutatesConsumedData)
bp = newBaseProcessor(testFullName, WithCapabilities(component.ProcessorCapabilities{MutatesConsumedData: false}))
assert.False(t, bp.GetCapabilities().MutatesConsumedData)
}
func TestNewTraceExporter(t *testing.T) {
me, err := NewTraceProcessor(testCfg, exportertest.NewNopTraceExporter(), newTestTProcessor(nil))
require.NoError(t, err)
assert.NoError(t, me.Start(context.Background(), componenttest.NewNopHost()))
assert.NoError(t, me.ConsumeTraces(context.Background(), testdata.GenerateTraceDataEmpty()))
assert.NoError(t, me.Shutdown(context.Background()))
}
func TestNewTraceExporter_NilRequiredFields(t *testing.T) {
_, err := NewTraceProcessor(testCfg, exportertest.NewNopTraceExporter(), nil)
assert.Error(t, err)
_, err = NewTraceProcessor(testCfg, nil, newTestTProcessor(nil))
assert.Equal(t, componenterror.ErrNilNextConsumer, err)
}
func TestNewTraceExporter_ProcessTraceError(t *testing.T) {
want := errors.New("my_error")
me, err := NewTraceProcessor(testCfg, exportertest.NewNopTraceExporter(), newTestTProcessor(want))
require.NoError(t, err)
assert.Equal(t, want, me.ConsumeTraces(context.Background(), testdata.GenerateTraceDataEmpty()))
}
func TestNewMetricsExporter(t *testing.T) {
me, err := NewMetricsProcessor(testCfg, exportertest.NewNopMetricsExporter(), newTestMProcessor(nil))
require.NoError(t, err)
assert.NoError(t, me.Start(context.Background(), componenttest.NewNopHost()))
assert.NoError(t, me.ConsumeMetrics(context.Background(), pdatautil.MetricsFromOldInternalMetrics(testdataold.GenerateMetricDataEmpty())))
assert.NoError(t, me.Shutdown(context.Background()))
}
func TestNewMetricsExporter_NilRequiredFields(t *testing.T) {
_, err := NewMetricsProcessor(testCfg, exportertest.NewNopMetricsExporter(), nil)
assert.Error(t, err)
_, err = NewMetricsProcessor(testCfg, nil, newTestMProcessor(nil))
assert.Equal(t, componenterror.ErrNilNextConsumer, err)
}
func TestNewMetricsExporter_ProcessMetricsError(t *testing.T) {
want := errors.New("my_error")
me, err := NewMetricsProcessor(testCfg, exportertest.NewNopMetricsExporter(), newTestMProcessor(want))
require.NoError(t, err)
assert.Equal(t, want, me.ConsumeMetrics(context.Background(), pdatautil.MetricsFromOldInternalMetrics(testdataold.GenerateMetricDataEmpty())))
}
func TestNewMetricsExporter_ProcessMetricsErrSkipProcessingData(t *testing.T) {
me, err := NewMetricsProcessor(testCfg, exportertest.NewNopMetricsExporter(), newTestMProcessor(ErrSkipProcessingData))
require.NoError(t, err)
assert.Equal(t, nil, me.ConsumeMetrics(context.Background(), pdatautil.MetricsFromOldInternalMetrics(testdataold.GenerateMetricDataEmpty())))
}
func TestNewLogsExporter(t *testing.T) {
me, err := NewLogsProcessor(testCfg, exportertest.NewNopLogsExporter(), newTestLProcessor(nil))
require.NoError(t, err)
assert.NoError(t, me.Start(context.Background(), componenttest.NewNopHost()))
assert.NoError(t, me.ConsumeLogs(context.Background(), testdata.GenerateLogDataEmpty()))
assert.NoError(t, me.Shutdown(context.Background()))
}
func TestNewLogsExporter_NilRequiredFields(t *testing.T) {
_, err := NewLogsProcessor(testCfg, exportertest.NewNopLogsExporter(), nil)
assert.Error(t, err)
_, err = NewLogsProcessor(testCfg, nil, newTestLProcessor(nil))
assert.Equal(t, componenterror.ErrNilNextConsumer, err)
}
func TestNewLogsExporter_ProcessLogError(t *testing.T) {
want := errors.New("my_error")
me, err := NewLogsProcessor(testCfg, exportertest.NewNopLogsExporter(), newTestLProcessor(want))
require.NoError(t, err)
assert.Equal(t, want, me.ConsumeLogs(context.Background(), testdata.GenerateLogDataEmpty()))
}
type testTProcessor struct {
retError error
}
func newTestTProcessor(retError error) TProcessor {
return &testTProcessor{retError: retError}
}
func (ttp *testTProcessor) ProcessTraces(_ context.Context, td pdata.Traces) (pdata.Traces, error) {
return td, ttp.retError
}
type testMProcessor struct {
retError error
}
func newTestMProcessor(retError error) MProcessor {
return &testMProcessor{retError: retError}
}
func (tmp *testMProcessor) ProcessMetrics(_ context.Context, md pdata.Metrics) (pdata.Metrics, error) {
return md, tmp.retError
}
type testLProcessor struct {
retError error
}
func newTestLProcessor(retError error) LProcessor {
return &testLProcessor{retError: retError}
}
func (tlp *testLProcessor) ProcessLogs(_ context.Context, ld pdata.Logs) (pdata.Logs, error) {
return ld, tlp.retError
}