opentelemetry-collector/processor/processor_test.go

119 lines
3.5 KiB
Go

// Copyright The OpenTelemetry Authors
// SPDX-License-Identifier: Apache-2.0
package processor
import (
"context"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"go.opentelemetry.io/collector/component"
"go.opentelemetry.io/collector/consumer"
"go.opentelemetry.io/collector/consumer/consumertest"
"go.opentelemetry.io/collector/pipeline"
)
func TestNewFactory(t *testing.T) {
testType := component.MustNewType("test")
defaultCfg := struct{}{}
f := NewFactory(
testType,
func() component.Config { return &defaultCfg })
assert.EqualValues(t, testType, f.Type())
assert.EqualValues(t, &defaultCfg, f.CreateDefaultConfig())
_, err := f.CreateTraces(context.Background(), Settings{}, &defaultCfg, consumertest.NewNop())
require.ErrorIs(t, err, pipeline.ErrSignalNotSupported)
_, err = f.CreateMetrics(context.Background(), Settings{}, &defaultCfg, consumertest.NewNop())
require.ErrorIs(t, err, pipeline.ErrSignalNotSupported)
_, err = f.CreateLogs(context.Background(), Settings{}, &defaultCfg, consumertest.NewNop())
require.ErrorIs(t, err, pipeline.ErrSignalNotSupported)
}
func TestNewFactoryWithOptions(t *testing.T) {
testType := component.MustNewType("test")
defaultCfg := struct{}{}
f := NewFactory(
testType,
func() component.Config { return &defaultCfg },
WithTraces(createTraces, component.StabilityLevelAlpha),
WithMetrics(createMetrics, component.StabilityLevelBeta),
WithLogs(createLogs, component.StabilityLevelUnmaintained))
assert.EqualValues(t, testType, f.Type())
assert.EqualValues(t, &defaultCfg, f.CreateDefaultConfig())
assert.Equal(t, component.StabilityLevelAlpha, f.TracesStability())
_, err := f.CreateTraces(context.Background(), Settings{}, &defaultCfg, consumertest.NewNop())
require.NoError(t, err)
assert.Equal(t, component.StabilityLevelBeta, f.MetricsStability())
_, err = f.CreateMetrics(context.Background(), Settings{}, &defaultCfg, consumertest.NewNop())
require.NoError(t, err)
assert.Equal(t, component.StabilityLevelUnmaintained, f.LogsStability())
_, err = f.CreateLogs(context.Background(), Settings{}, &defaultCfg, consumertest.NewNop())
assert.NoError(t, err)
}
func TestMakeFactoryMap(t *testing.T) {
type testCase struct {
name string
in []Factory
out map[component.Type]Factory
}
p1 := NewFactory(component.MustNewType("p1"), nil)
p2 := NewFactory(component.MustNewType("p2"), nil)
testCases := []testCase{
{
name: "different names",
in: []Factory{p1, p2},
out: map[component.Type]Factory{
p1.Type(): p1,
p2.Type(): p2,
},
},
{
name: "same name",
in: []Factory{p1, p2, NewFactory(component.MustNewType("p1"), nil)},
},
}
for _, tt := range testCases {
t.Run(tt.name, func(t *testing.T) {
out, err := MakeFactoryMap(tt.in...)
if tt.out == nil {
assert.Error(t, err)
return
}
require.NoError(t, err)
assert.Equal(t, tt.out, out)
})
}
}
var nopInstance = &nopProcessor{
Consumer: consumertest.NewNop(),
}
// nopProcessor stores consumed traces and metrics for testing purposes.
type nopProcessor struct {
component.StartFunc
component.ShutdownFunc
consumertest.Consumer
}
func createTraces(context.Context, Settings, component.Config, consumer.Traces) (Traces, error) {
return nopInstance, nil
}
func createMetrics(context.Context, Settings, component.Config, consumer.Metrics) (Metrics, error) {
return nopInstance, nil
}
func createLogs(context.Context, Settings, component.Config, consumer.Logs) (Logs, error) {
return nopInstance, nil
}