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package xml // import "github.com/tdewolff/minify/xml"
import (
"bytes"
"fmt"
"os"
"regexp"
"testing"
"github.com/tdewolff/minify"
"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=\" a \n\r\t b \"/>", "<x a=\" a b \"/>"},
{"<x a=\"'b"\"></x>", "<x a=\"'b"\"/>"},
{"<x a=\"""'\"></x>", "<x a='\"\"''/>"},
{"<!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`},
// 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>"},
}
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)
}
}
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