| 1 | // Copyright 2012 The Go Authors. All rights reserved. |
|---|---|
| 2 | // Use of this source code is governed by a BSD-style |
| 3 | // license that can be found in the LICENSE file. |
| 4 | |
| 5 | package present |
| 6 | |
| 7 | import ( |
| 8 | "fmt" |
| 9 | "html/template" |
| 10 | "strings" |
| 11 | "testing" |
| 12 | ) |
| 13 | |
| 14 | func TestParseCode(t *testing.T) { |
| 15 | // Enable play but revert the change at the end. |
| 16 | defer func(play bool) { PlayEnabled = play }(PlayEnabled) |
| 17 | PlayEnabled = true |
| 18 | |
| 19 | helloTest := []byte(` |
| 20 | package main |
| 21 | |
| 22 | import "fmt" |
| 23 | |
| 24 | func main() { |
| 25 | fmt.Println("hello, test") |
| 26 | } |
| 27 | `) |
| 28 | helloTestHTML := template.HTML(` |
| 29 | <pre><span num="2">package main</span> |
| 30 | <span num="3"></span> |
| 31 | <span num="4">import "fmt"</span> |
| 32 | <span num="5"></span> |
| 33 | <span num="6">func main() {</span> |
| 34 | <span num="7"> fmt.Println("hello, test")</span> |
| 35 | <span num="8">}</span> |
| 36 | </pre> |
| 37 | `) |
| 38 | helloTestHL := []byte(` |
| 39 | package main |
| 40 | |
| 41 | import "fmt" // HLimport |
| 42 | |
| 43 | func main() { // HLfunc |
| 44 | fmt.Println("hello, test") // HL |
| 45 | } |
| 46 | `) |
| 47 | highlight := func(h template.HTML, s string) template.HTML { |
| 48 | return template.HTML(strings.Replace(string(h), s, "<b>"+s+"</b>", -1)) |
| 49 | } |
| 50 | read := func(b []byte, err error) func(string) ([]byte, error) { |
| 51 | return func(string) ([]byte, error) { return b, err } |
| 52 | } |
| 53 | |
| 54 | tests := []struct { |
| 55 | name string |
| 56 | readFile func(string) ([]byte, error) |
| 57 | sourceFile string |
| 58 | cmd string |
| 59 | err string |
| 60 | Code |
| 61 | }{ |
| 62 | { |
| 63 | name: "all code, no play", |
| 64 | readFile: read(helloTest, nil), |
| 65 | sourceFile: "main.go", |
| 66 | cmd: ".code main.go", |
| 67 | Code: Code{ |
| 68 | Ext: ".go", |
| 69 | FileName: "main.go", |
| 70 | Raw: helloTest, |
| 71 | Text: helloTestHTML, |
| 72 | }, |
| 73 | }, |
| 74 | { |
| 75 | name: "all code, play", |
| 76 | readFile: read(helloTest, nil), |
| 77 | sourceFile: "main.go", |
| 78 | cmd: ".play main.go", |
| 79 | Code: Code{ |
| 80 | Ext: ".go", |
| 81 | FileName: "main.go", |
| 82 | Play: true, |
| 83 | Raw: helloTest, |
| 84 | Text: helloTestHTML, |
| 85 | }, |
| 86 | }, |
| 87 | { |
| 88 | name: "all code, highlighted", |
| 89 | readFile: read(helloTestHL, nil), |
| 90 | sourceFile: "main.go", |
| 91 | cmd: ".code main.go", |
| 92 | Code: Code{ |
| 93 | Ext: ".go", |
| 94 | FileName: "main.go", |
| 95 | Raw: helloTestHL, |
| 96 | Text: highlight(helloTestHTML, "fmt.Println("hello, test")"), |
| 97 | }, |
| 98 | }, |
| 99 | { |
| 100 | name: "highlight only func", |
| 101 | readFile: read(helloTestHL, nil), |
| 102 | sourceFile: "main.go", |
| 103 | cmd: ".code main.go HLfunc", |
| 104 | Code: Code{ |
| 105 | Ext: ".go", |
| 106 | FileName: "main.go", |
| 107 | Play: false, |
| 108 | Raw: []byte("package main\n\nimport \"fmt\" // HLimport\n\nfunc main() { // HLfunc\n\tfmt.Println(\"hello, test\") // HL\n}"), |
| 109 | Text: highlight(helloTestHTML, "func main() {"), |
| 110 | }, |
| 111 | }, |
| 112 | { |
| 113 | name: "bad highlight syntax", |
| 114 | readFile: read(helloTest, nil), |
| 115 | sourceFile: "main.go", |
| 116 | cmd: ".code main.go HL", |
| 117 | err: "invalid highlight syntax", |
| 118 | }, |
| 119 | { |
| 120 | name: "error reading file", |
| 121 | readFile: read(nil, fmt.Errorf("nope")), |
| 122 | sourceFile: "main.go", |
| 123 | cmd: ".code main.go", |
| 124 | err: "main.go:0: nope", |
| 125 | }, |
| 126 | { |
| 127 | name: "from func main to the end", |
| 128 | readFile: read(helloTest, nil), |
| 129 | sourceFile: "main.go", |
| 130 | cmd: ".code main.go /func main/,", |
| 131 | Code: Code{ |
| 132 | Ext: ".go", |
| 133 | FileName: "main.go", |
| 134 | Play: false, |
| 135 | Raw: []byte("func main() {\n\tfmt.Println(\"hello, test\")\n}"), |
| 136 | Text: "<pre><span num=\"6\">func main() {</span>\n<span num=\"7\"> fmt.Println("hello, test")</span>\n<span num=\"8\">}</span>\n</pre>", |
| 137 | }, |
| 138 | }, |
| 139 | { |
| 140 | name: "just func main", |
| 141 | readFile: read(helloTest, nil), |
| 142 | sourceFile: "main.go", |
| 143 | cmd: ".code main.go /func main/", |
| 144 | Code: Code{ |
| 145 | Ext: ".go", |
| 146 | FileName: "main.go", |
| 147 | Play: false, |
| 148 | Raw: []byte("func main() {"), |
| 149 | Text: "<pre><span num=\"6\">func main() {</span>\n</pre>", |
| 150 | }, |
| 151 | }, |
| 152 | { |
| 153 | name: "bad address", |
| 154 | readFile: read(helloTest, nil), |
| 155 | sourceFile: "main.go", |
| 156 | cmd: ".code main.go /function main/", |
| 157 | err: "main.go:0: no match for function main", |
| 158 | }, |
| 159 | { |
| 160 | name: "all code with numbers", |
| 161 | readFile: read(helloTest, nil), |
| 162 | sourceFile: "main.go", |
| 163 | cmd: ".code -numbers main.go", |
| 164 | Code: Code{ |
| 165 | Ext: ".go", |
| 166 | FileName: "main.go", |
| 167 | Raw: helloTest, |
| 168 | // Replacing the first "<pre>" |
| 169 | Text: "<pre class=\"numbers\">" + helloTestHTML[6:], |
| 170 | }, |
| 171 | }, |
| 172 | { |
| 173 | name: "all code editable", |
| 174 | readFile: read(helloTest, nil), |
| 175 | sourceFile: "main.go", |
| 176 | cmd: ".code -edit main.go", |
| 177 | Code: Code{ |
| 178 | Ext: ".go", |
| 179 | FileName: "main.go", |
| 180 | Raw: helloTest, |
| 181 | Text: "<pre contenteditable=\"true\" spellcheck=\"false\">" + helloTestHTML[6:], |
| 182 | }, |
| 183 | }, |
| 184 | } |
| 185 | |
| 186 | trimHTML := func(t template.HTML) string { return strings.TrimSpace(string(t)) } |
| 187 | trimBytes := func(b []byte) string { return strings.TrimSpace(string(b)) } |
| 188 | |
| 189 | for _, tt := range tests { |
| 190 | ctx := &Context{tt.readFile} |
| 191 | e, err := parseCode(ctx, tt.sourceFile, 0, tt.cmd) |
| 192 | if err != nil { |
| 193 | if tt.err == "" { |
| 194 | t.Errorf("%s: unexpected error %v", tt.name, err) |
| 195 | } else if !strings.Contains(err.Error(), tt.err) { |
| 196 | t.Errorf("%s: expected error %s; got %v", tt.name, tt.err, err) |
| 197 | } |
| 198 | continue |
| 199 | } |
| 200 | if tt.err != "" { |
| 201 | t.Errorf("%s: expected error %s; but got none", tt.name, tt.err) |
| 202 | continue |
| 203 | } |
| 204 | c, ok := e.(Code) |
| 205 | if !ok { |
| 206 | t.Errorf("%s: expected a Code value; got %T", tt.name, e) |
| 207 | continue |
| 208 | } |
| 209 | if c.FileName != tt.FileName { |
| 210 | t.Errorf("%s: expected FileName %s; got %s", tt.name, tt.FileName, c.FileName) |
| 211 | } |
| 212 | if c.Ext != tt.Ext { |
| 213 | t.Errorf("%s: expected Ext %s; got %s", tt.name, tt.Ext, c.Ext) |
| 214 | } |
| 215 | if c.Play != tt.Play { |
| 216 | t.Errorf("%s: expected Play %v; got %v", tt.name, tt.Play, c.Play) |
| 217 | } |
| 218 | if got, wants := trimBytes(c.Raw), trimBytes(tt.Raw); got != wants { |
| 219 | t.Errorf("%s: expected Raw \n%q\n; got \n%q\n", tt.name, wants, got) |
| 220 | } |
| 221 | if got, wants := trimHTML(c.Text), trimHTML(tt.Text); got != wants { |
| 222 | t.Errorf("%s: expected Text \n%q\n; got \n%q\n", tt.name, wants, got) |
| 223 | } |
| 224 | } |
| 225 | } |
| 226 |
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