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package xml
import (
"bytes"
"fmt"
"os"
"regexp"
"testing"
"github.com/tdewolff/minify/v2"
"github.com/tdewolff/test"
)
func TestXML(t *testing.T) {
xmlTests := []struct {
xml string
expected string
}{
{`<!-- comment -->`, ``},
{`<A>x</A>`, `<A>x</A>`},
{`<a><b>x</b></a>`, `<a><b>x</b></a>`},
{"<a><b>x\ny</b></a>", "<a><b>x\ny</b></a>"},
{`<a> <![CDATA[ a ]]> </a>`, `<a> a </a>`},
{`<a >a</a >`, `<a>a</a>`},
{`<?xml version="1.0" ?>`, `<?xml version="1.0"?>`},
{`<x></x>`, `<x/>`},
{`<x> </x>`, `<x/>`},
{`<x a="b"></x>`, `<x a="b"/>`},
{`<x a=""></x>`, `<x a=""/>`},
{`<x a=a></x>`, `<x a=a/>`},
{`<x a=foo></x>`, `<x a=foo/>`},
{"<x a=\" a \n\r\t b \"/>", `<x a=" a b "/>`},
{`<x a="'b""></x>`, `<x a="'b""/>`},
{`<x a="""'"></x>`, `<x a='""''/>`},
{`<x a="&<>"></x>`, `<x a="&<>"/>`},
{`<x>&<></x>`, `<x>&<></x>`},
{`<x>&&<</x>`, `<x>&&<</x>`},
{`<!DOCTYPE foo SYSTEM "Foo.dtd">`, `<!DOCTYPE foo SYSTEM "Foo.dtd">`},
{`text <!--comment--> text`, `text text`},
{"text\n<!--comment-->\ntext", "text\ntext"},
{`<!doctype html>`, `<!doctype html=>`}, // bad formatted, doctype must be uppercase and html must have attribute value
{"<x>\n<!--y-->\n</x>", `<x></x>`},
{`<style>lala{color:red}</style>`, `<style>lala{color:red}</style>`},
{`cats and dogs `, `cats and dogs`},
{`<x> ]]> </x>`, `<x>]]></x>`}, // #825
// go fuzz
{`</0`, `</0`},
{`<!DOCTYPE`, `<!DOCTYPE`},
{`<![CDATA[`, ``},
}
m := minify.New()
for _, tt := range xmlTests {
t.Run(tt.xml, func(t *testing.T) {
r := bytes.NewBufferString(tt.xml)
w := &bytes.Buffer{}
err := Minify(m, w, r, nil)
test.Minify(t, tt.xml, err, w.String(), tt.expected)
})
}
}
func TestXMLKeepWhitespace(t *testing.T) {
xmlTests := []struct {
xml 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>`},
{"text\n<!--comment-->\ntext", "text\ntext"},
{"text\n<!--comment-->text<!--comment--> text", "text\ntext text"},
{"<x>\n<!--y-->\n</x>", "<x>\n</x>"},
{`<style>lala{color:red}</style>`, `<style>lala{color:red}</style>`},
{`<x> <?xml?> </x>`, `<x><?xml?> </x>`},
{`<x> <![CDATA[ x ]]> </x>`, `<x> x </x>`},
{`<x> <![CDATA[ <<<<< ]]> </x>`, `<x><![CDATA[ <<<<< ]]></x>`},
{` <![CDATA[ %d ]]> `, ` %d `}, // #722
{`<a><![CDATA[ %d ]]></a>`, `<a> %d </a>`}, // #722
{`<a><![CDATA[ %d ]]><b>`, `<a> %d <b>`}, // #722
{`<a> %d <b>`, `<a> %d <b>`}, // #722
}
m := minify.New()
xmlMinifier := &Minifier{KeepWhitespace: true}
for _, tt := range xmlTests {
t.Run(tt.xml, func(t *testing.T) {
r := bytes.NewBufferString(tt.xml)
w := &bytes.Buffer{}
err := xmlMinifier.Minify(m, w, r, nil)
test.Minify(t, tt.xml, err, w.String(), tt.expected)
})
}
}
func TestReaderErrors(t *testing.T) {
r := test.NewErrorReader(0)
w := &bytes.Buffer{}
m := minify.New()
err := Minify(m, w, r, nil)
test.T(t, err, test.ErrPlain, "return error at first read")
}
func TestWriterErrors(t *testing.T) {
errorTests := []struct {
xml string
n []int
}{
{`<!DOCTYPE foo>`, []int{0}},
{`<?xml?>`, []int{0, 1}},
{`<a x=y z="val">`, []int{0, 1, 2, 3, 4, 8, 9}},
{`<foo/>`, []int{1}},
{`</foo>`, []int{0}},
{`<foo></foo>`, []int{1}},
{`<![CDATA[data<<<<<]]>`, []int{0}},
{`text`, []int{0}},
}
m := minify.New()
for _, tt := range errorTests {
for _, n := range tt.n {
t.Run(fmt.Sprint(tt.xml, " ", tt.n), func(t *testing.T) {
r := bytes.NewBufferString(tt.xml)
w := test.NewErrorWriter(n)
err := Minify(m, w, r, nil)
test.T(t, err, test.ErrPlain)
})
}
}
}
////////////////////////////////////////////////////////////////
func ExampleMinify() {
m := minify.New()
m.AddFuncRegexp(regexp.MustCompile("[/+]xml$"), Minify)
if err := m.Minify("text/xml", os.Stdout, os.Stdin); err != nil {
panic(err)
}
}
|
