// Copyright 2019, 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 trace import ( "context" "time" "google.golang.org/grpc/codes" "go.opentelemetry.io/otel/api/core" apitrace "go.opentelemetry.io/otel/api/trace" ) // MockSpan is a mock span used in association with MockTracer for testing purpose only. type MockSpan struct { sc core.SpanContext tracer apitrace.Tracer } var _ apitrace.Span = (*MockSpan)(nil) // SpanContext returns associated core.SpanContext. If the receiver is nil it returns // an empty core.SpanContext func (ms *MockSpan) SpanContext() core.SpanContext { if ms == nil { core.EmptySpanContext() } return ms.sc } // IsRecording always returns false for MockSpan. func (ms *MockSpan) IsRecording() bool { return false } // SetStatus does nothing. func (ms *MockSpan) SetStatus(status codes.Code) { } // SetError does nothing. func (ms *MockSpan) SetError(v bool) { } // SetAttribute does nothing. func (ms *MockSpan) SetAttribute(attribute core.KeyValue) { } // SetAttributes does nothing. func (ms *MockSpan) SetAttributes(attributes ...core.KeyValue) { } // End does nothing. func (ms *MockSpan) End(options ...apitrace.EndOption) { } // SetName does nothing. func (ms *MockSpan) SetName(name string) { } // Tracer returns MockTracer implementation of Tracer. func (ms *MockSpan) Tracer() apitrace.Tracer { return ms.tracer } // AddEvent does nothing. func (ms *MockSpan) AddEvent(ctx context.Context, msg string, attrs ...core.KeyValue) { } // AddEvent does nothing. func (ms *MockSpan) AddEventWithTimestamp(ctx context.Context, timestamp time.Time, msg string, attrs ...core.KeyValue) { } // AddLink does nothing. func (ms *MockSpan) AddLink(link apitrace.Link) { } // Link does nothing. func (ms *MockSpan) Link(sc core.SpanContext, attrs ...core.KeyValue) { }