Fast and extensible multi-platform HTTP/1-2-3 web server with automatic HTTPS
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| 1 | // Copyright 2015 Matthew Holt and The Caddy Authors |
| 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 | |
| 15 | // Most of the code in this file was initially borrowed from the Go |
| 16 | // standard library and modified; It had this copyright notice: |
| 17 | // Copyright 2021 The Go Authors. All rights reserved. |
| 18 | // Use of this source code is governed by a BSD-style |
| 19 | // license that can be found in the LICENSE file. |
| 20 | |
| 21 | // Original source, copied because the package was marked internal: |
| 22 | // https://github.com/golang/go/blob/5c489514bc5e61ad9b5b07bd7d8ec65d66a0512a/src/net/http/internal/ascii/print_test.go |
| 23 | |
| 24 | package reverseproxy |
| 25 | |
| 26 | import "testing" |
| 27 | |
| 28 | func TestEqualFold(t *testing.T) { |
| 29 | tests := []struct { |
| 30 | name string |
| 31 | a, b string |
| 32 | want bool |
| 33 | }{ |
| 34 | { |
| 35 | name: "empty", |
| 36 | want: true, |
| 37 | }, |
| 38 | { |
| 39 | name: "simple match", |
| 40 | a: "CHUNKED", |
| 41 | b: "chunked", |
| 42 | want: true, |
| 43 | }, |
| 44 | { |
| 45 | name: "same string", |
| 46 | a: "chunked", |
| 47 | b: "chunked", |
| 48 | want: true, |
| 49 | }, |
| 50 | { |
| 51 | name: "Unicode Kelvin symbol", |
| 52 | a: "chunKed", // This "K" is 'KELVIN SIGN' (\u212A) |
| 53 | b: "chunked", |
| 54 | want: false, |
| 55 | }, |
| 56 | } |
| 57 | for _, tt := range tests { |
| 58 | t.Run(tt.name, func(t *testing.T) { |
| 59 | if got := asciiEqualFold(tt.a, tt.b); got != tt.want { |
| 60 | t.Errorf("AsciiEqualFold(%q,%q): got %v want %v", tt.a, tt.b, got, tt.want) |
| 61 | } |
| 62 | }) |
| 63 | } |
| 64 | } |
| 65 | |
| 66 | func TestIsPrint(t *testing.T) { |
| 67 | tests := []struct { |
| 68 | name string |
| 69 | in string |
| 70 | want bool |
| 71 | }{ |
| 72 | { |
| 73 | name: "empty", |
| 74 | want: true, |
| 75 | }, |
| 76 | { |
| 77 | name: "ASCII low", |
| 78 | in: "This is a space: ' '", |
| 79 | want: true, |
| 80 | }, |
| 81 | { |
| 82 | name: "ASCII high", |
| 83 | in: "This is a tilde: '~'", |
| 84 | want: true, |
| 85 | }, |
| 86 | { |
| 87 | name: "ASCII low non-print", |
| 88 | in: "This is a unit separator: \x1F", |
| 89 | want: false, |
| 90 | }, |
| 91 | { |
| 92 | name: "Ascii high non-print", |
| 93 | in: "This is a Delete: \x7F", |
| 94 | want: false, |
| 95 | }, |
| 96 | { |
| 97 | name: "Unicode letter", |
| 98 | in: "Today it's 280K outside: it's freezing!", // This "K" is 'KELVIN SIGN' (\u212A) |
| 99 | want: false, |
| 100 | }, |
| 101 | { |
| 102 | name: "Unicode emoji", |
| 103 | in: "Gophers like 🧀", |
| 104 | want: false, |
| 105 | }, |
| 106 | } |
| 107 | for _, tt := range tests { |
| 108 | t.Run(tt.name, func(t *testing.T) { |
| 109 | if got := asciiIsPrint(tt.in); got != tt.want { |
| 110 | t.Errorf("IsASCIIPrint(%q): got %v want %v", tt.in, got, tt.want) |
| 111 | } |
| 112 | }) |
| 113 | } |
| 114 | } |