110 lines
3 KiB
Go
110 lines
3 KiB
Go
package js // import "github.com/tdewolff/minify/js"
|
|
|
|
import (
|
|
"bytes"
|
|
"fmt"
|
|
"os"
|
|
"testing"
|
|
|
|
"github.com/tdewolff/minify"
|
|
"github.com/tdewolff/test"
|
|
)
|
|
|
|
func TestJS(t *testing.T) {
|
|
jsTests := []struct {
|
|
js string
|
|
expected string
|
|
}{
|
|
{"/*comment*/", ""},
|
|
{"// comment\na", "a"},
|
|
{"/*! bang comment */", "/*!bang comment*/"},
|
|
{"function x(){}", "function x(){}"},
|
|
{"function x(a, b){}", "function x(a,b){}"},
|
|
{"a b", "a b"},
|
|
{"a\n\nb", "a\nb"},
|
|
{"a// comment\nb", "a\nb"},
|
|
{"''\na", "''\na"},
|
|
{"''\n''", "''\n''"},
|
|
{"]\n0", "]\n0"},
|
|
{"a\n{", "a\n{"},
|
|
{";\na", ";a"},
|
|
{",\na", ",a"},
|
|
{"}\na", "}\na"},
|
|
{"+\na", "+\na"},
|
|
{"+\n(", "+\n("},
|
|
{"+\n\"\"", "+\n\"\""},
|
|
{"a + ++b", "a+ ++b"}, // JSMin caution
|
|
{"var a=/\\s?auto?\\s?/i\nvar", "var a=/\\s?auto?\\s?/i\nvar"}, // #14
|
|
{"var a=0\n!function(){}", "var a=0\n!function(){}"}, // #107
|
|
{"function(){}\n\"string\"", "function(){}\n\"string\""}, // #109
|
|
{"false\n\"string\"", "false\n\"string\""}, // #109
|
|
{"`\n", "`"}, // go fuzz
|
|
{"a\n~b", "a\n~b"}, // #132
|
|
{"x / /\\d+/.exec(s)[0]", "x/ /\\d+/.exec(s)[0]"}, // #183
|
|
|
|
{"function(){}\n`string`", "function(){}\n`string`"}, // #181
|
|
{"false\n`string`", "false\n`string`"}, // #181
|
|
{"`string`\nwhatever()", "`string`\nwhatever()"}, // #181
|
|
|
|
{"x+/**/++y", "x+ ++y"}, // #185
|
|
{"x+\n++y", "x+\n++y"}, // #185
|
|
{"f()/*!com\nment*/g()", "f()/*!com\nment*/g()"}, // #185
|
|
{"f()/*com\nment*/g()", "f()\ng()"}, // #185
|
|
{"f()/*!\n*/g()", "f()/*!\n*/g()"}, // #185
|
|
|
|
// go-fuzz
|
|
{`/\`, `/\`},
|
|
}
|
|
|
|
m := minify.New()
|
|
for _, tt := range jsTests {
|
|
t.Run(tt.js, func(t *testing.T) {
|
|
r := bytes.NewBufferString(tt.js)
|
|
w := &bytes.Buffer{}
|
|
err := Minify(m, w, r, nil)
|
|
test.Minify(t, tt.js, 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 {
|
|
js string
|
|
n []int
|
|
}{
|
|
{"a\n{5 5", []int{0, 1, 4}},
|
|
{`/*!comment*/`, []int{0, 1, 2}},
|
|
{"false\n\"string\"", []int{1}}, // #109
|
|
}
|
|
|
|
m := minify.New()
|
|
for _, tt := range errorTests {
|
|
for _, n := range tt.n {
|
|
t.Run(fmt.Sprint(tt.js, " ", tt.n), func(t *testing.T) {
|
|
r := bytes.NewBufferString(tt.js)
|
|
w := test.NewErrorWriter(n)
|
|
err := Minify(m, w, r, nil)
|
|
test.T(t, err, test.ErrPlain)
|
|
})
|
|
}
|
|
}
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////
|
|
|
|
func ExampleMinify() {
|
|
m := minify.New()
|
|
m.AddFunc("text/javascript", Minify)
|
|
|
|
if err := m.Minify("text/javascript", os.Stdout, os.Stdin); err != nil {
|
|
panic(err)
|
|
}
|
|
}
|