1// Copyright 2022 The Bazel Authors. All rights reserved. 2// 3// Licensed under the Apache License, Version 2.0 (the "License"); 4// you may not use this file except in compliance with the License. 5// You may obtain a copy of the License at 6// 7// http://www.apache.org/licenses/LICENSE-2.0 8// 9// Unless required by applicable law or agreed to in writing, software 10// distributed under the License is distributed on an "AS IS" BASIS, 11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12// See the License for the specific language governing permissions and 13// limitations under the License. 14 15package respipe 16 17import ( 18 "errors" 19 "reflect" 20 "testing" 21 22 "context" 23) 24 25func TestPrefixErr(t *testing.T) { 26 tests := []struct { 27 ctx context.Context 28 fmts string 29 args []interface{} 30 want error 31 }{ 32 { 33 ctx: context.Background(), 34 fmts: "Hello world", 35 want: errors.New("Hello world"), 36 }, 37 { 38 ctx: PrefixErr(context.Background(), "file: foo: "), 39 fmts: "Hello world: %d", 40 args: []interface{}{1}, 41 want: errors.New("file: foo: Hello world: 1"), 42 }, 43 { 44 ctx: PrefixErr(PrefixErr(context.Background(), "file: foo: "), "tag: <resources>: "), 45 fmts: "Hello world: %d", 46 args: []interface{}{1}, 47 want: errors.New("file: foo: tag: <resources>: Hello world: 1"), 48 }, 49 } 50 for _, tc := range tests { 51 got := Errorf(tc.ctx, tc.fmts, tc.args...) 52 if !reflect.DeepEqual(got, tc.want) { 53 t.Errorf("Errorf(%v, %v, %v): %v wanted %v", tc.ctx, tc.fmts, tc.args, got, tc.want) 54 } 55 } 56} 57