67 lines
2.5 KiB
Go

package inmemoryreceiver
import (
"context"
"testing"
"github.com/google/uuid"
"github.com/stretchr/testify/require"
"go.opentelemetry.io/collector/component/componenttest"
"go.opentelemetry.io/collector/confmap"
"go.opentelemetry.io/collector/consumer/consumertest"
"go.opentelemetry.io/collector/receiver"
)
func TestReceiverLifecycle(t *testing.T) {
require := require.New(t)
testReceiverId := uuid.NewString()
// Should be able to get a hold of the receiver after starting it.
require.Nil(GetReceiverInstance(testReceiverId), "receiver instance should not exist before Start()")
constructed, err := makeTestLogReceiver(testReceiverId)
require.Nil(err, "could not make test receiver")
err = constructed.Start(context.Background(), componenttest.NewNopHost())
require.Nil(err, "could not start test receiver")
testReceiver := GetReceiverInstance(testReceiverId)
require.NotNil(testReceiver, "could not get receiver instance by Id")
// Should not be able to start 2 receivers with the same id
constructed2, err := makeTestLogReceiver(testReceiverId)
require.Nil(err, "could not create second receiver with same id")
err = constructed2.Start(context.Background(), componenttest.NewNopHost())
require.NotNil(err, "should not be able to start another receiver with same id before shutting down the previous one")
// Should not be able to get a hold of an receiver after shutdown
testReceiver.Shutdown(context.Background())
require.Nil(GetReceiverInstance(testReceiverId), "should not be able to find inmemory receiver after shutdown")
// Should be able to start a new receiver with same id after shutting down
constructed3, err := makeTestLogReceiver(testReceiverId)
require.Nil(err, "could not make receiver with same Id after shutting down old one")
err = constructed3.Start(context.Background(), componenttest.NewNopHost())
require.Nil(err, "should be able to start another receiver with same id after shutting down the previous one")
testReceiver3 := GetReceiverInstance(testReceiverId)
require.NotNil(testReceiver3, "could not get receiver instance by Id")
testReceiver3.Shutdown(context.Background())
require.Nil(GetReceiverInstance(testReceiverId))
}
func makeTestLogReceiver(receiverId string) (receiver.Logs, error) {
factory := NewFactory()
cfg := factory.CreateDefaultConfig()
confmap.NewFromStringMap(map[string]any{"id": receiverId}).Unmarshal(&cfg)
return factory.CreateLogsReceiver(
context.Background(), receiver.CreateSettings{}, cfg, consumertest.NewNop(),
)
}