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
}{
{"", ""},
{"x", "x"},
{"x", "x"},
{"x\ny", "x\ny"},
{" ", "a"},
{"a", "a"},
{"", ""},
{"", ""},
{" ", ""},
{"", ""},
{"", ""},
{"", ""},
{"", ""},
{"", ""},
{"", ""},
{"", ""},
{"text text", "text text"},
{"text\n\ntext", "text\ntext"},
{"", ""}, // bad formatted, doctype must be uppercase and html must have attribute value
{"\n\n", ""},
{"", ""},
{`cats and dogs `, `cats and dogs`},
{` test test `, ` test test
`},
{"text\n\ntext", "text\ntext"},
{"text\ntext text", "text\ntext text"},
{"\n\n", "\n"},
{"", ""},
{" ", " "},
{" ", " 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
}{
{``, []int{0}},
{``, []int{0, 1}},
{``, []int{0, 1, 2, 3, 4, 8, 9}},
{``, []int{1}},
{``, []int{0}},
{``, []int{1}},
{``, []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)
}
}