NewInMemoryReporter creates new InMemoryReporter.

NewJaegerThriftUDPClient creates a new jaeger agent client that works like Jaeger client.

NewZipkinThriftUDPClient creates a new zipking agent client that works like Jaeger client.

StartGRPCCollector starts GRPC collector on a random port.

GrpcCollector is a mock collector for tests.

InMemoryReporter collects spans in memory.