1/* 2 * Copyright 2017 gRPC authors. 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 * 16 */ 17 18// Package testdata contains functionality to find data files in tests. 19package testdata 20 21import ( 22 "path/filepath" 23 "runtime" 24) 25 26// basepath is the root directory of this package. 27var basepath string 28 29func init() { 30 _, currentFile, _, _ := runtime.Caller(0) 31 basepath = filepath.Dir(currentFile) 32} 33 34// Path returns the absolute path the given relative file or directory path, 35// relative to the google.golang.org/grpc/testdata directory in the user's GOPATH. 36// If rel is already absolute, it is returned unmodified. 37func Path(rel string) string { 38 if filepath.IsAbs(rel) { 39 return rel 40 } 41 42 return filepath.Join(basepath, rel) 43} 44