234 lines
8.4 KiB
Go
234 lines
8.4 KiB
Go
package css // import "github.com/tdewolff/minify/css"
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import (
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"bytes"
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"fmt"
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"os"
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"testing"
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"github.com/tdewolff/minify"
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"github.com/tdewolff/test"
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)
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func TestCSS(t *testing.T) {
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cssTests := []struct {
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css string
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expected string
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}{
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{"/*comment*/", ""},
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{"/*! bang comment */", "/*!bang comment*/"},
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{"i{}/*! bang comment */", "i{}/*!bang comment*/"},
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{"i { key: value; key2: value; }", "i{key:value;key2:value}"},
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{".cla .ss > #id { x:y; }", ".cla .ss>#id{x:y}"},
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{".cla[id ^= L] { x:y; }", ".cla[id^=L]{x:y}"},
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{"area:focus { outline : 0;}", "area:focus{outline:0}"},
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{"@import 'file';", "@import 'file'"},
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{"@font-face { x:y; }", "@font-face{x:y}"},
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{"input[type=\"radio\"]{x:y}", "input[type=radio]{x:y}"},
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{"DIV{margin:1em}", "div{margin:1em}"},
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{".CLASS{margin:1em}", ".CLASS{margin:1em}"},
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{"@MEDIA all{}", "@media all{}"},
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{"@media only screen and (max-width : 800px){}", "@media only screen and (max-width:800px){}"},
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{"@media (-webkit-min-device-pixel-ratio:1.5),(min-resolution:1.5dppx){}", "@media(-webkit-min-device-pixel-ratio:1.5),(min-resolution:1.5dppx){}"},
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{"[class^=icon-] i[class^=icon-],i[class*=\" icon-\"]{x:y}", "[class^=icon-] i[class^=icon-],i[class*=\" icon-\"]{x:y}"},
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{"html{line-height:1;}html{line-height:1;}", "html{line-height:1}html{line-height:1}"},
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{"a { b: 1", "a{b:1}"},
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{":root { --custom-variable:0px; }", ":root{--custom-variable:0px}"},
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// case sensitivity
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{"@counter-style Ident{}", "@counter-style Ident{}"},
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// coverage
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{"a, b + c { x:y; }", "a,b+c{x:y}"},
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// bad declaration
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{".clearfix { *zoom: 1px; }", ".clearfix{*zoom:1px}"},
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{".clearfix { *zoom: 1px }", ".clearfix{*zoom:1px}"},
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{".clearfix { color:green; *zoom: 1px; color:red; }", ".clearfix{color:green;*zoom:1px;color:red}"},
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// go-fuzz
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{"input[type=\"\x00\"] { a: b\n}.a{}", "input[type=\"\x00\"]{a:b}.a{}"},
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{"a{a:)'''", "a{a:)'''}"},
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}
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m := minify.New()
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for _, tt := range cssTests {
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t.Run(tt.css, func(t *testing.T) {
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r := bytes.NewBufferString(tt.css)
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w := &bytes.Buffer{}
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err := Minify(m, w, r, nil)
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test.Minify(t, tt.css, err, w.String(), tt.expected)
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})
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}
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}
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func TestCSSInline(t *testing.T) {
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cssTests := []struct {
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css string
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expected string
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}{
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{"/*comment*/", ""},
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{"/*! bang comment */", ""},
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{";", ""},
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{"empty:", "empty:"},
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{"key: value;", "key:value"},
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{"margin: 0 1; padding: 0 1;", "margin:0 1;padding:0 1"},
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{"color: #FF0000;", "color:red"},
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{"color: #000000;", "color:#000"},
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{"color: black;", "color:#000"},
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{"color: rgb(255,255,255);", "color:#fff"},
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{"color: rgb(100%,100%,100%);", "color:#fff"},
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{"color: rgba(255,0,0,1);", "color:red"},
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{"color: rgba(255,0,0,2);", "color:red"},
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{"color: rgba(255,0,0,0.5);", "color:rgba(255,0,0,.5)"},
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{"color: rgba(255,0,0,-1);", "color:transparent"},
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{"color: rgba(0%,15%,25%,0.2);", "color:rgba(0%,15%,25%,.2)"},
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{"color: rgba(0,0,0,0.5);", "color:rgba(0,0,0,.5)"},
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{"color: hsla(5,0%,10%,0.75);", "color:hsla(5,0%,10%,.75)"},
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{"color: hsl(0,100%,50%);", "color:red"},
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{"color: hsla(1,2%,3%,1);", "color:#080807"},
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{"color: hsla(1,2%,3%,0);", "color:transparent"},
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{"color: hsl(48,100%,50%);", "color:#fc0"},
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{"font-weight: bold; font-weight: normal;", "font-weight:700;font-weight:400"},
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{"font: bold \"Times new Roman\",\"Sans-Serif\";", "font:700 times new roman,\"sans-serif\""},
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{"outline: none;", "outline:0"},
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{"outline: none !important;", "outline:0!important"},
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{"border-left: none;", "border-left:0"},
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{"margin: 1 1 1 1;", "margin:1"},
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{"margin: 1 2 1 2;", "margin:1 2"},
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{"margin: 1 2 3 2;", "margin:1 2 3"},
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{"margin: 1 2 3 4;", "margin:1 2 3 4"},
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{"margin: 1 1 1 a;", "margin:1 1 1 a"},
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{"margin: 1 1 1 1 !important;", "margin:1!important"},
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{"padding:.2em .4em .2em", "padding:.2em .4em"},
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{"margin: 0em;", "margin:0"},
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{"font-family:'Arial', 'Times New Roman';", "font-family:arial,times new roman"},
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{"background:url('http://domain.com/image.png');", "background:url(http://domain.com/image.png)"},
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{"filter: progid : DXImageTransform.Microsoft.BasicImage(rotation=1);", "filter:progid:DXImageTransform.Microsoft.BasicImage(rotation=1)"},
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{"filter: progid:DXImageTransform.Microsoft.Alpha(Opacity=0);", "filter:alpha(opacity=0)"},
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{"content: \"a\\\nb\";", "content:\"ab\""},
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{"content: \"a\\\r\nb\\\r\nc\";", "content:\"abc\""},
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{"content: \"\";", "content:\"\""},
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{"font:27px/13px arial,sans-serif", "font:27px/13px arial,sans-serif"},
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{"text-decoration: none !important", "text-decoration:none!important"},
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{"color:#fff", "color:#fff"},
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{"border:2px rgb(255,255,255);", "border:2px #fff"},
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{"margin:-1px", "margin:-1px"},
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{"margin:+1px", "margin:1px"},
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{"margin:0.5em", "margin:.5em"},
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{"margin:-0.5em", "margin:-.5em"},
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{"margin:05em", "margin:5em"},
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{"margin:.50em", "margin:.5em"},
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{"margin:5.0em", "margin:5em"},
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{"margin:5000em", "margin:5e3em"},
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{"color:#c0c0c0", "color:silver"},
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{"-ms-filter: \"progid:DXImageTransform.Microsoft.Alpha(Opacity=80)\";", "-ms-filter:\"alpha(opacity=80)\""},
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{"filter: progid:DXImageTransform.Microsoft.Alpha(Opacity = 80);", "filter:alpha(opacity=80)"},
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{"MARGIN:1EM", "margin:1em"},
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//{"color:CYAN", "color:cyan"}, // TODO
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{"width:attr(Name em)", "width:attr(Name em)"},
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{"content:CounterName", "content:CounterName"},
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{"background:URL(x.PNG);", "background:url(x.PNG)"},
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{"background:url(/*nocomment*/)", "background:url(/*nocomment*/)"},
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{"background:url(data:,text)", "background:url(data:,text)"},
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{"background:url('data:text/xml; version = 2.0,content')", "background:url(data:text/xml;version=2.0,content)"},
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{"background:url('data:\\'\",text')", "background:url('data:\\'\",text')"},
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{"margin:0 0 18px 0;", "margin:0 0 18px"},
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{"background:none", "background:0 0"},
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{"background:none 1 1", "background:none 1 1"},
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{"z-index:1000", "z-index:1000"},
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{"any:0deg 0s 0ms 0dpi 0dpcm 0dppx 0hz 0khz", "any:0 0s 0ms 0dpi 0dpcm 0dppx 0hz 0khz"},
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{"--custom-variable:0px;", "--custom-variable:0px"},
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{"--foo: if(x > 5) this.width = 10", "--foo: if(x > 5) this.width = 10"},
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{"--foo: ;", "--foo: "},
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// case sensitivity
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{"animation:Ident", "animation:Ident"},
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{"animation-name:Ident", "animation-name:Ident"},
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// coverage
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{"margin: 1 1;", "margin:1"},
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{"margin: 1 2;", "margin:1 2"},
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{"margin: 1 1 1;", "margin:1"},
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{"margin: 1 2 1;", "margin:1 2"},
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{"margin: 1 2 3;", "margin:1 2 3"},
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{"margin: 0%;", "margin:0"},
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{"color: rgb(255,64,64);", "color:#ff4040"},
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{"color: rgb(256,-34,2342435);", "color:#f0f"},
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{"color: rgb(120%,-45%,234234234%);", "color:#f0f"},
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{"color: rgb(0, 1, ident);", "color:rgb(0,1,ident)"},
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{"color: rgb(ident);", "color:rgb(ident)"},
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{"margin: rgb(ident);", "margin:rgb(ident)"},
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{"filter: progid:b().c.Alpha(rgba(x));", "filter:progid:b().c.Alpha(rgba(x))"},
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// go-fuzz
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{"FONT-FAMILY: ru\"", "font-family:ru\""},
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}
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m := minify.New()
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params := map[string]string{"inline": "1"}
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for _, tt := range cssTests {
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t.Run(tt.css, func(t *testing.T) {
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r := bytes.NewBufferString(tt.css)
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w := &bytes.Buffer{}
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err := Minify(m, w, r, params)
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test.Minify(t, tt.css, err, w.String(), tt.expected)
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})
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}
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}
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func TestReaderErrors(t *testing.T) {
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r := test.NewErrorReader(0)
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w := &bytes.Buffer{}
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m := minify.New()
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err := Minify(m, w, r, nil)
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test.T(t, err, test.ErrPlain, "return error at first read")
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}
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func TestWriterErrors(t *testing.T) {
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errorTests := []struct {
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css string
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n []int
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}{
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{`@import 'file'`, []int{0, 2}},
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{`@media all{}`, []int{0, 2, 3, 4}},
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{`a[id^="L"]{margin:2in!important;color:red}`, []int{0, 4, 6, 7, 8, 9, 10, 11}},
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{`a{color:rgb(255,0,0)}`, []int{4}},
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{`a{color:rgb(255,255,255)}`, []int{4}},
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{`a{color:hsl(0,100%,50%)}`, []int{4}},
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{`a{color:hsl(360,100%,100%)}`, []int{4}},
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{`a{color:f(arg)}`, []int{4}},
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{`<!--`, []int{0}},
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{`/*!comment*/`, []int{0, 1, 2}},
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{`a{--var:val}`, []int{2, 3, 4}},
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{`a{*color:0}`, []int{2, 3}},
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{`a{color:0;baddecl 5}`, []int{5}},
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}
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m := minify.New()
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for _, tt := range errorTests {
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for _, n := range tt.n {
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t.Run(fmt.Sprint(tt.css, " ", tt.n), func(t *testing.T) {
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r := bytes.NewBufferString(tt.css)
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w := test.NewErrorWriter(n)
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err := Minify(m, w, r, nil)
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test.T(t, err, test.ErrPlain)
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})
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}
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}
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}
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////////////////////////////////////////////////////////////////
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func ExampleMinify() {
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m := minify.New()
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m.AddFunc("text/css", Minify)
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if err := m.Minify("text/css", os.Stdout, os.Stdin); err != nil {
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panic(err)
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}
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}
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