minify/html/html_test.go at v2.1.0 · randomcrab/minify

Repository navigation

History

100

101

102

103

104

105

106

107

108

109

110

111

112

113

114

115

116

117

118

119

120

121

122

123

124

125

126

127

128

129

130

131

132

133

134

135

136

137

138

139

140

141

142

143

144

145

146

147

148

149

150

151

152

153

154

155

156

157

158

159

160

161

162

163

164

165

166

167

168

169

170

171

172

173

174

175

176

177

178

179

180

181

182

183

184

185

186

187

188

189

190

191

192

193

194

195

196

197

198

199

200

201

202

203

204

205

206

207

208

209

210

211

212

213

214

215

216

217

218

219

220

221

222

223

224

225

226

227

228

229

230

231

232

233

234

235

236

237

238

239

240

241

242

243

244

245

246

247

248

249

250

251

252

253

254

255

256

257

258

259

260

261

262

263

264

265

266

267

268

269

270

271

272

273

274

275

276

277

278

279

280

281

282

283

284

285

286

287

288

289

290

291

292

293

294

295

296

297

298

299

300

301

302

303

304

305

306

307

308

309

310

311

312

313

314

315

316

317

318

319

320

321

322

323

324

325

326

327

328

329

330

331

332

333

334

335

336

337

338

339

340

341

342

343

344

345

346

347

348

349

350

351

352

353

354

355

356

357

358

359

360

package html // import "github.com/tdewolff/minify/html"

import (

"bytes"

"io"

"io/ioutil"

"net/url"

"os"

"regexp"

"testing"

"github.com/tdewolff/minify"

"github.com/tdewolff/minify/css"

"github.com/tdewolff/minify/js"

"github.com/tdewolff/minify/json"

"github.com/tdewolff/minify/svg"

"github.com/tdewolff/minify/xml"

"github.com/tdewolff/test"

)

func TestHTML(t *testing.T) {

htmlTests := []struct {

html string

expected string

}{

{`html`, `html`},

{`<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML+RDFa 1.0//EN" "http://www.w3.org/MarkUp/DTD/xhtml-rdfa-1.dtd">`, `<!doctype html>`},

{``, ``},

{`<style></style>`, `<style></style>`},

{`<style>&</style>`, `<style>&</style>`},

{`<html><head></head><body>x</body></html>`, `x`},

{`<meta http-equiv="content-type" content="text/html; charset=utf-8">`, `<meta charset=utf-8>`},

{`<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />`, `<meta charset=utf-8>`},

{`<meta name="keywords" content="a, b">`, `<meta name=keywords content=a,b>`},

{`<meta name="viewport" content="width = 996" />`, `<meta name=viewport content="width=996">`},

{`<span attr="test"></span>`, `<span attr=test></span>`},

{`<span attr='test'test'></span>`, `<span attr="test'test"></span>`},

{`<span attr="test"test"></span>`, `<span attr='test"test'></span>`},

{`<span attr='test""'&test'></span>`, `<span attr='test""'&test'></span>`},

{`<span attr="test/test"></span>`, `<span attr=test/test></span>`},

{`<span>&</span>`, `<span>&</span>`},

{`<span clear=none method=GET></span>`, `<span></span>`},

{`<span `<span >

{`<span selected="selected"></span>`, `<span selected></span>`},

{`<noscript><html><img id="x"></noscript>`, `<noscript><img id=x></noscript>`},

{`<body id="main"></body>`, `<body id=main>`},

{`<link href="data:text/plain, data">`, `<link href=data:,+data>`},

{`<svg width="100" height="100"><circle cx="50" cy="50" r="40" stroke="green" stroke-width="4" fill="yellow" /></svg>`, `<svg width="100" height="100"><circle cx="50" cy="50" r="40" stroke="green" stroke-width="4" fill="yellow" /></svg>`},

{`</span >`, `</span>`},

{`<meta name=viewport content="width=0.1, initial-scale=1.0 , maximum-scale=1000">`, `<meta name=viewport content="width=.1,initial-scale=1,maximum-scale=1e3">`},

{`<br/>`, `<br>`},

// increase coverage

{`<script style="css">js</script>`, `<script style=css>js</script>`},

{`<script type="application/javascript">js</script>`, `<script type=application/javascript>js</script>`},

{`<meta http-equiv="content-type" content="text/plain, text/html">`, `<meta http-equiv=content-type content=text/plain,text/html>`},

{`<meta http-equiv="content-style-type" content="text/less">`, `<meta http-equiv=content-style-type content=text/less>`},

{`<meta http-equiv="content-style-type" content="text/less; charset=utf-8">`, `<meta http-equiv=content-style-type content="text/less;charset=utf-8">`},

{`<meta http-equiv="content-script-type" content="application/js">`, `<meta http-equiv=content-script-type content=application/js>`},

{`<span attr=""></span>`, `<span attr></span>`},

{`<code>x</code>`, `<code>x</code>`},

{`<p></p><p></p>`, `<p><p>`},

{`<ul><li></li> <li></li></ul>`, `<ul><li><li></ul>`},

{`<p></p><a></a>`, `<p></p><a></a>`},

{`<p></p>x<a></a>`, `<p></p>x<a></a>`},

{`<span style=>`, `<span>`},

{`<button `<button>`},

// whitespace

{`cats and dogs `, `cats and dogs`},

{` <div> <i> test </i> <b> test </b> </div> `, `<div><i>test</i> <b>test</b></div>`},

{`<strong>x </strong>y`, `<strong>x </strong>y`},

{`<strong>x </strong> y`, `<strong>x</strong> y`},

{"<strong>x </strong>\ny", "<strong>x</strong>\ny"},

{`<p>x </p>y`, `<p>x</p>y`},

{`x <p>y</p>`, `x<p>y`},

{` <!doctype html>  <html> <body><p></p></body></html> `, `<!doctype html><p>`}, // spaces before html and at the start of html are dropped

{`<p>x<br> y`, `<p>x<br>y`},

{`<p>x </b> <b> y`, `<p>x</b> <b>y`},

{`a <code></code> b`, `a <code></code>b`},

{`a <code>code</code> b`, `a <code>code</code> b`},

{`a <code> code </code> b`, `a <code>code</code> b`},

{`a <script>script</script> b`, `a <script>script</script>b`},

{"text\n\ntext", "text\ntext"},

{"abc\n</body>\ndef", "abc\ndef"},

{"<x>\n\n</x>", "<x></x>"},

{"a <template> b </template> c", "a <template>b</template>c"},

// from HTML Minifier

{`<DIV TITLE="blah">boo</DIV>`, `<div title=blah>boo</div>`},

{"<p title\n\n\t =\n \"bar\">foo</p>", `<p title=bar>foo`},

{`<p class=" foo ">foo bar baz</p>`, `<p class=foo>foo bar baz`},

{`<input maxlength=" 5 ">`, `<input maxlength=5>`},

{`<input type="text">`, `<input>`},

{`<form method="get">`, `<form>`},

{`<script language="Javascript">alert(1)</script>`, `<script>alert(1)</script>`},

{`<script></script>`, ``},

{`<p JavaScript: x">x</p>`, `<p x">x`},

{`<span Selected="selected"></span>`, `<span selected></span>`},

{`<table><thead><tr><th>foo</th><th>bar</th></tr></thead><tfoot><tr><th>baz</th><th>qux</th></tr></tfoot><tbody><tr><td>boo</td><td>moo</td></tr></tbody></table>`,

`<table><thead><tr><th>foo<th>bar<tfoot><tr><th>baz<th>qux<tbody><tr><td>boo<td>moo</table>`},

{`<select><option>foo</option><option>bar</option></select>`, `<select><option>foo<option>bar</select>`},

{`<meta name="keywords" content="A, B">`, `<meta name=keywords content=A,B>`},

{`<iframe><html> <p> x </p> </html></iframe>`, `<iframe><p>x</iframe>`},

{`<math> ∫_a_^b^{f(x)<over>1+x} dx </math>`, `<math> ∫_a_^b^{f(x)<over>1+x} dx </math>`},

{`<script language="x" charset="x" src="y"></script>`, `<script src=y></script>`},

{`<style media="all">x</style>`, `<style>x</style>`},

{`<a id="abc" name="abc">y</a>`, `<a id=abc>y</a>`},

{`<a id="" value="">y</a>`, `<a value>y</a>`},

// from Kangax html-minfier

{`<span style="font-family:"Helvetica Neue","Helvetica",Helvetica,Arial,sans-serif">text</span>`, `<span style='font-family:"Helvetica Neue","Helvetica",Helvetica,Arial,sans-serif'>text</span>`},

// go-fuzz

{`<meta e t n content=ful><a b`, `<meta e t n content=ful><a b>`},

{`<img alt=a'b="">`, `<img alt='a'b=""'>`},

{`</b`, `</b`},

// bugs

{`<p>text</p><br>text`, `<p>text</p><br>text`}, // #122

{`text <img> text`, `text <img> text`}, // #89

{`text <progress></progress> text`, `text <progress></progress> text`}, // #89

{`<pre> <x> a b </x> </pre>`, `<pre> <x> a b </x> </pre>`}, // #82

{`<svg id="1"></svg>`, `<svg id="1"></svg>`}, // #67

}

m := minify.New()

m.AddFunc("text/html", Minify)

m.AddFunc("text/css", func(_ *minify.M, w io.Writer, r io.Reader, _ map[string]string) error {

_, err := io.Copy(w, r)

return err

})

m.AddFunc("text/javascript", func(_ *minify.M, w io.Writer, r io.Reader, _ map[string]string) error {

_, err := io.Copy(w, r)

return err

})

for _, tt := range htmlTests {

r := bytes.NewBufferString(tt.html)

w := &bytes.Buffer{}

test.Minify(t, tt.html, Minify(m, w, r, nil), w.String(), tt.expected)

}

func TestHTMLKeepEndTags(t *testing.T) {

htmlTests := []struct {

html string

expected string

}{

{`<p></p><p></p>`, `<p></p><p></p>`},

{`<ul><li></li><li></li></ul>`, `<ul><li></li><li></li></ul>`},

}

m := minify.New()

htmlMinifier := &Minifier{KeepEndTags: true}

for _, tt := range htmlTests {

r := bytes.NewBufferString(tt.html)

w := &bytes.Buffer{}

test.Minify(t, tt.html, htmlMinifier.Minify(m, w, r, nil), w.String(), tt.expected)

}

func TestHTMLKeepWhitespace(t *testing.T) {

htmlTests := []struct {

html string

expected string

}{

{`cats and dogs `, `cats and dogs`},

{` <div> <i> test </i> <b> test </b> </div> `, `<div> <i> test </i> <b> test </b> </div>`},

{`<strong>x </strong>y`, `<strong>x </strong>y`},

{`<strong>x </strong> y`, `<strong>x </strong> y`},

{"<strong>x </strong>\ny", "<strong>x </strong>\ny"},

{`<p>x </p>y`, `<p>x </p>y`},

{`x <p>y</p>`, `x <p>y`},

{` <!doctype html>  <html> <body><p></p></body></html> `, `<!doctype html><p>`}, // spaces before html and at the start of html are dropped

{`<p>x<br> y`, `<p>x<br> y`},

{`<p>x </b> <b> y`, `<p>x </b> <b> y`},

{`a <code>code</code> b`, `a <code>code</code> b`},

{`a <code></code> b`, `a <code></code> b`},

{`a <script>script</script> b`, `a <script>script</script> b`},

{"text\n\ntext", "text\ntext"},

{"text\ntext text", "text\ntext text"},

{"abc\n</body>\ndef", "abc\ndef"},

{"<x>\n\n</x>", "<x>\n</x>"},

{"<style>lala{color:red}</style>", "<style>lala{color:red}</style>"},

}

m := minify.New()

htmlMinifier := &Minifier{KeepWhitespace: true}

for _, tt := range htmlTests {

r := bytes.NewBufferString(tt.html)

w := &bytes.Buffer{}

test.Minify(t, tt.html, htmlMinifier.Minify(m, w, r, nil), w.String(), tt.expected)

}

func TestHTMLURL(t *testing.T) {

htmlTests := []struct {

url string

html string

expected string

}{

{`http://example.com/`, `<a href=http://example.com/>link</a>`, `<a href=//example.com/>link</a>`},

{`https://example.com/`, `<a href=http://example.com/>link</a>`, `<a href=http://example.com/>link</a>`},

{`http://example.com/`, `<a href=https://example.com/>link</a>`, `<a href=https://example.com/>link</a>`},

{`https://example.com/`, `<a href=https://example.com/>link</a>`, `<a href=//example.com/>link</a>`},

{`http://example.com/`, `<a href=" http://example.com ">x</a>`, `<a href=//example.com>x</a>`},

{`http://example.com/`, `<link rel="stylesheet" type="text/css" href="http://example.com">`, `<link rel=stylesheet href=//example.com>`},

{`http://example.com/`, `<!doctype html> <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en"> <head profile="http://dublincore.org/documents/dcq-html/">  <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />`,

`<!doctype html><html xmlns=//www.w3.org/1999/xhtml xml:lang=en><head profile=//dublincore.org/documents/dcq-html/><meta charset=utf-8>`},

{`http://example.com/`, `<html xmlns="http://www.w3.org/1999/xhtml"></html>`, `<html xmlns=//www.w3.org/1999/xhtml>`},

{`https://example.com/`, `<html xmlns="http://www.w3.org/1999/xhtml"></html>`, `<html xmlns=http://www.w3.org/1999/xhtml>`},

{`http://example.com/`, `<html xmlns="https://www.w3.org/1999/xhtml"></html>`, `<html xmlns=https://www.w3.org/1999/xhtml>`},

{`https://example.com/`, `<html xmlns="https://www.w3.org/1999/xhtml"></html>`, `<html xmlns=//www.w3.org/1999/xhtml>`},

}

m := minify.New()

m.AddFunc("text/html", Minify)

for _, tt := range htmlTests {

r := bytes.NewBufferString(tt.html)

w := &bytes.Buffer{}

m.URL, _ = url.Parse(tt.url)

test.Minify(t, tt.html, Minify(m, w, r, nil), w.String(), tt.expected)

}

func TestSpecialTagClosing(t *testing.T) {

m := minify.New()

m.AddFunc("text/html", Minify)

m.AddFunc("text/css", func(_ *minify.M, w io.Writer, r io.Reader, _ map[string]string) error {

b, err := ioutil.ReadAll(r)

test.Error(t, err, nil)

test.String(t, string(b), "</script>")

_, err = w.Write(b)

return err

})

html := `<style></script></style>`

r := bytes.NewBufferString(html)

w := &bytes.Buffer{}

test.Minify(t, html, Minify(m, w, r, nil), w.String(), html)

}

func TestReaderErrors(t *testing.T) {

m := minify.New()

r := test.NewErrorReader(0)

w := &bytes.Buffer{}

test.Error(t, Minify(m, w, r, nil), test.ErrPlain, "return error at first read")

}

func TestWriterErrors(t *testing.T) {

errorTests := []struct {

html string

n []int

}{

{`<!doctype>`, []int{0}},

{`text`, []int{0}},

{`<foo attr=val>`, []int{0, 1, 2, 3, 4, 5}},

{`</foo>`, []int{0}},

{`<style>x</style>`, []int{2}},

{`<textarea>x</textarea>`, []int{2}},

{`<code>x</code>`, []int{2}},

{`<pre>x</pre>`, []int{2}},

{`<svg>x</svg>`, []int{0}},

{`<math>x</math>`, []int{0}},

}

m := minify.New()

for _, tt := range errorTests {

for _, n := range tt.n {

r := bytes.NewBufferString(tt.html)

w := test.NewErrorWriter(n)

test.Error(t, Minify(m, w, r, nil), test.ErrPlain, "return error at write", n, "in", tt.html)

}

func TestMinifyErrors(t *testing.T) {

errorTests := []struct {

html string

err error

}{

{`<style>abc</style>`, test.ErrPlain},

{`<path style="abc"/>`, test.ErrPlain},

{`<path test.ErrPlain},

{`<svg></svg>`, test.ErrPlain},

{`<math></math>`, test.ErrPlain},

}

m := minify.New()

m.AddFunc("text/css", func(_ *minify.M, w io.Writer, r io.Reader, _ map[string]string) error {

return test.ErrPlain

})

m.AddFunc("text/javascript", func(_ *minify.M, w io.Writer, r io.Reader, _ map[string]string) error {

return test.ErrPlain

})

m.AddFunc("image/svg+xml", func(_ *minify.M, w io.Writer, r io.Reader, _ map[string]string) error {

return test.ErrPlain

})

m.AddFunc("application/mathml+xml", func(_ *minify.M, w io.Writer, r io.Reader, _ map[string]string) error {

return test.ErrPlain

})

for _, tt := range errorTests {

r := bytes.NewBufferString(tt.html)

w := &bytes.Buffer{}

test.Error(t, Minify(m, w, r, nil), tt.err, "return error", tt.err, "in", tt.html)

}

////////////////////////////////////////////////////////////////

func ExampleMinify() {

m := minify.New()

m.AddFunc("text/html", Minify)

m.AddFunc("text/css", css.Minify)

m.AddFunc("text/javascript", js.Minify)

m.AddFunc("image/svg+xml", svg.Minify)

m.AddFuncRegexp(regexp.MustCompile("[/+]json$"), json.Minify)

m.AddFuncRegexp(regexp.MustCompile("[/+]xml$"), xml.Minify)

// set URL to minify link locations too

m.URL, _ = url.Parse("https://www.example.com/")

if err := m.Minify("text/html", os.Stdout, os.Stdin); err != nil {

panic(err)

}

func ExampleMinify_options() {

m := minify.New()

m.Add("text/html", &Minifier{

KeepDefaultAttrVals: true,

KeepWhitespace: true,

})

if err := m.Minify("text/html", os.Stdout, os.Stdin); err != nil {

panic(err)

}

func ExampleMinify_reader() {

b := bytes.NewReader([]byte("<html><body><h1>Example</h1></body></html>"))

m := minify.New()

m.Add("text/html", &Minifier{})

r := m.Reader("text/html", b)

if _, err := io.Copy(os.Stdout, r); err != nil {

panic(err)

}

// Output: <h1>Example</h1>

}

func ExampleMinify_writer() {

m := minify.New()

m.Add("text/html", &Minifier{})

w := m.Writer("text/html", os.Stdout)

w.Write([]byte("<html><body><h1>Example</h1></body></html>"))

w.Close()

// Output: <h1>Example</h1>

}

FilesExpand file tree

html_test.go

Latest commit

History

html_test.go

File metadata and controls