99 lines
2.4 KiB
Go
99 lines
2.4 KiB
Go
package js // import "github.com/tdewolff/minify/js"
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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 TestJS(t *testing.T) {
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jsTests := []struct {
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js string
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expected string
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}{
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{"/*comment*/", ""},
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{"// comment\na", "a"},
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{"/*! bang comment */", "/*!bang comment*/"},
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{"function x(){}", "function x(){}"},
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{"function x(a, b){}", "function x(a,b){}"},
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{"a b", "a b"},
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{"a\n\nb", "a\nb"},
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{"a// comment\nb", "a\nb"},
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{"''\na", "''\na"},
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{"''\n''", "''\n''"},
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{"]\n0", "]\n0"},
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{"a\n{", "a\n{"},
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{";\na", ";a"},
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{",\na", ",a"},
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{"}\na", "}\na"},
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{"+\na", "+\na"},
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{"+\n(", "+\n("},
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{"+\n\"\"", "+\n\"\""},
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{"a + ++b", "a+ ++b"}, // JSMin caution
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{"var a=/\\s?auto?\\s?/i\nvar", "var a=/\\s?auto?\\s?/i\nvar"}, // #14
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{"var a=0\n!function(){}", "var a=0\n!function(){}"}, // #107
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{"function(){}\n\"string\"", "function(){}\n\"string\""}, // #109
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{"false\n\"string\"", "false\n\"string\""}, // #109
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{"`\n", "`"}, // go fuzz
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{"a\n~b", "a\n~b"}, // #132
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// go-fuzz
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{`/\`, `/\`},
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}
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m := minify.New()
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for _, tt := range jsTests {
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t.Run(tt.js, func(t *testing.T) {
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r := bytes.NewBufferString(tt.js)
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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.js, 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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js string
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n []int
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}{
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{"a\n{5 5", []int{0, 1, 4}},
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{`/*!comment*/`, []int{0, 1, 2}},
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{"false\n\"string\"", []int{1}}, // #109
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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.js, " ", tt.n), func(t *testing.T) {
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r := bytes.NewBufferString(tt.js)
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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/javascript", Minify)
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if err := m.Minify("text/javascript", os.Stdout, os.Stdin); err != nil {
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panic(err)
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}
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}
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