Fast and extensible multi-platform HTTP/1-2-3 web server with automatic HTTPS
Mirrored from https://github.com/Slazee/caddy.git
Synced Nov 11, 01:00 UTC
| 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 | package caddyfile |
| 16 | |
| 17 | import ( |
| 18 | "bytes" |
| 19 | "testing" |
| 20 | ) |
| 21 | |
| 22 | func TestFormatWithWrapUnbracedSite(t *testing.T) { |
| 23 | // eligible: wrapped |
| 24 | in := "localhost\nroot * /srv\nfile_server\n" |
| 25 | want := "localhost {\n\troot * /srv\n\tfile_server\n}\n" |
| 26 | if got := string(FormatWithOptions([]byte(in), FormatOptions{WrapUnbracedSite: true})); got != want { |
| 27 | t.Errorf("got %q, want %q", got, want) |
| 28 | } |
| 29 | // ineligible: unchanged from default formatting (no-op wrap) |
| 30 | snip := "(s) {\n\trespond 200\n}\n" |
| 31 | if got := string(FormatWithOptions([]byte(snip), FormatOptions{WrapUnbracedSite: true})); got != string(Format([]byte(snip))) { |
| 32 | t.Errorf("snippet should be a no-op for WrapUnbracedSite; got %q", got) |
| 33 | } |
| 34 | // default (option off) never wraps |
| 35 | if got := string(Format([]byte(in))); got != "localhost\nroot * /srv\nfile_server\n" { |
| 36 | t.Errorf("default Format must not wrap; got %q", got) |
| 37 | } |
| 38 | } |
| 39 | |
| 40 | func TestWrapUnbracedSiteIdempotentAndSemantic(t *testing.T) { |
| 41 | in := "localhost\nrespond 200\n" |
| 42 | once := FormatWithOptions([]byte(in), FormatOptions{WrapUnbracedSite: true}) |
| 43 | twice := FormatWithOptions(once, FormatOptions{WrapUnbracedSite: true}) |
| 44 | if !bytes.Equal(once, twice) { |
| 45 | t.Errorf("not idempotent:\n once=%q\ntwice=%q", once, twice) |
| 46 | } |
| 47 | } |
| 48 | |
| 49 | func TestWrapUnbracedSiteIdempotentReproducer(t *testing.T) { |
| 50 | // An input that used to be non-idempotent under WrapUnbracedSite: it reads |
| 51 | // as "not a single site" on the raw stream (a blank-line gap), but after |
| 52 | // formatTokens removes the blank line and folds a dangling brace, a second |
| 53 | // pass saw a single unbraced site and wrapped it. Deciding on the |
| 54 | // normalized stream makes the wrap decision stable. Parse rejects this |
| 55 | // input since the fix for unbalanced braces in site blocks (the stray "}" |
| 56 | // after a braceless site is an error), but the formatter works on the |
| 57 | // token stream and must stay idempotent on it regardless. |
| 58 | in := []byte(") 0((.b ))\na\t\tab(\n}\n\n { }") |
| 59 | if _, err := Parse("", in); err == nil { |
| 60 | t.Fatalf("reproducer should be rejected by Parse (unbalanced braces), got no error") |
| 61 | } |
| 62 | once := FormatWithOptions(in, FormatOptions{WrapUnbracedSite: true}) |
| 63 | twice := FormatWithOptions(once, FormatOptions{WrapUnbracedSite: true}) |
| 64 | if !bytes.Equal(once, twice) { |
| 65 | t.Errorf("not idempotent:\n once=%q\ntwice=%q", once, twice) |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | func FuzzWrapUnbracedSiteIdempotent(f *testing.F) { |
| 70 | seeds := []string{ |
| 71 | "localhost\nrespond 200\n", |
| 72 | "localhost\nroot * /srv\nfile_server\n", |
| 73 | "example.com\nreverse_proxy {\n\tto a:80\n}\n", |
| 74 | "a.com\nrespond 200\n\nb.com\nrespond 404\n", |
| 75 | "(snip) {\n\trespond 200\n}\n", |
| 76 | ") 0((.b ))\na\t\tab(\n}\n\n { }", |
| 77 | "localhost {\n\trespond 200\n}\n", |
| 78 | } |
| 79 | for _, s := range seeds { |
| 80 | f.Add([]byte(s)) |
| 81 | } |
| 82 | f.Fuzz(func(t *testing.T, in []byte) { |
| 83 | // Valid-only, like FuzzFormatIdempotent: skip inputs Parse rejects. |
| 84 | if _, err := Parse("", in); err != nil { |
| 85 | t.Skip() |
| 86 | } |
| 87 | once := FormatWithOptions(in, FormatOptions{WrapUnbracedSite: true}) |
| 88 | twice := FormatWithOptions(once, FormatOptions{WrapUnbracedSite: true}) |
| 89 | if !bytes.Equal(once, twice) { |
| 90 | t.Errorf("WrapUnbracedSite not idempotent for %q:\n once=%q\ntwice=%q", in, once, twice) |
| 91 | } |
| 92 | }) |
| 93 | } |
| 94 | |
| 95 | func TestIsSingleUnbracedSite(t *testing.T) { |
| 96 | yes := []string{ |
| 97 | "localhost\nrespond 200\n", |
| 98 | "localhost\nreverse_proxy {\n\tto a:80\n}\n", // interior braces OK |
| 99 | } |
| 100 | no := []string{ |
| 101 | "localhost {\n\trespond 200\n}\n", // already braced |
| 102 | "(snip) {\n\trespond 200\n}\n", // snippet |
| 103 | "&(route) {\n\trespond 200\n}\n", // named route |
| 104 | "{\n\tdebug\n}\n", // global options only |
| 105 | "a.com\nrespond 200\n\nb.com\nrespond 404\n", // multi-site (ambiguous) |
| 106 | "", // empty |
| 107 | } |
| 108 | for _, in := range yes { |
| 109 | toks, _ := Lex([]byte(in), "", LexOptions{Comments: true, Raw: true}) |
| 110 | if !isSingleUnbracedSite(toks) { |
| 111 | t.Errorf("want single-unbraced-site for %q", in) |
| 112 | } |
| 113 | } |
| 114 | for _, in := range no { |
| 115 | toks, _ := Lex([]byte(in), "", LexOptions{Comments: true, Raw: true}) |
| 116 | if isSingleUnbracedSite(toks) { |
| 117 | t.Errorf("did NOT expect single-unbraced-site for %q", in) |
| 118 | } |
| 119 | } |
| 120 | } |