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package minify // import "github.com/tdewolff/minify"
import (
"fmt"
"io"
"io/ioutil"
"math"
"math/rand"
"strconv"
"testing"
"github.com/tdewolff/test"
)
func TestMediatype(t *testing.T) {
mediatypeTests := []struct {
mediatype string
expected string
}{
{"text/html", "text/html"},
{"text/html; charset=UTF-8", "text/html;charset=utf-8"},
{"text/html; charset=UTF-8 ; param = \" ; \"", "text/html;charset=utf-8;param=\" ; \""},
{"text/html, text/css", "text/html,text/css"},
}
for _, tt := range mediatypeTests {
t.Run(tt.mediatype, func(t *testing.T) {
mediatype := Mediatype([]byte(tt.mediatype))
test.Minify(t, tt.mediatype, nil, string(mediatype), tt.expected)
})
}
}
func TestDataURI(t *testing.T) {
dataURITests := []struct {
dataURI string
expected string
}{
{"data:,text", "data:,text"},
{"data:text/plain;charset=us-ascii,text", "data:,text"},
{"data:TEXT/PLAIN;CHARSET=US-ASCII,text", "data:,text"},
{"data:text/plain;charset=us-asciiz,text", "data:;charset=us-asciiz,text"},
{"data:;base64,dGV4dA==", "data:,text"},
{"data:text/svg+xml;base64,PT09PT09", "data:text/svg+xml;base64,PT09PT09"},
{"data:text/xml;version=2.0,content", "data:text/xml;version=2.0,content"},
{"data:text/xml; version = 2.0,content", "data:text/xml;version=2.0,content"},
{"data:,=====", "data:,%3D%3D%3D%3D%3D"},
{"data:,======", "data:;base64,PT09PT09"},
{"data:text/x,<?x?>", "data:text/x,%3C%3Fx%3F%3E"},
}
m := New()
m.AddFunc("text/x", func(_ *M, w io.Writer, r io.Reader, _ map[string]string) error {
b, _ := ioutil.ReadAll(r)
test.String(t, string(b), "<?x?>")
w.Write(b)
return nil
})
for _, tt := range dataURITests {
t.Run(tt.dataURI, func(t *testing.T) {
dataURI := DataURI(m, []byte(tt.dataURI))
test.Minify(t, tt.dataURI, nil, string(dataURI), tt.expected)
})
}
}
func TestDecimal(t *testing.T) {
numberTests := []struct {
number string
expected string
}{
{"0", "0"},
{".0", "0"},
{"1.0", "1"},
{"0.1", ".1"},
{"+1", "1"},
{"-1", "-1"},
{"-0.1", "-.1"},
{"10", "10"},
{"100", "100"},
{"1000", "1000"},
{"0.001", ".001"},
{"0.0001", ".0001"},
{"0.252", ".252"},
{"1.252", "1.252"},
{"-1.252", "-1.252"},
{"0.075", ".075"},
{"789012345678901234567890123456789e9234567890123456789", "789012345678901234567890123456789e9234567890123456789"},
{".000100009", ".000100009"},
{".0001000009", ".0001000009"},
{".0001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009", ".0001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009"},
{"E\x1f", "E\x1f"}, // fuzz
}
for _, tt := range numberTests {
t.Run(tt.number, func(t *testing.T) {
number := Decimal([]byte(tt.number), -1)
test.Minify(t, tt.number, nil, string(number), tt.expected)
})
}
}
func TestDecimalTruncate(t *testing.T) {
numberTests := []struct {
number string
truncate int
expected string
}{
{"0.1", 1, ".1"},
{"0.0001", 1, "0"},
{"0.111", 1, ".1"},
{"0.111", 0, "0"},
{"0.075", 1, ".1"},
{"0.025", 1, "0"},
{"9.99", 1, "10"},
{"8.88", 1, "8.9"},
{"8.88", 0, "9"},
{"8.00", 0, "8"},
{".88", 0, "1"},
{"1.234", 1, "1.2"},
{"33.33", 0, "33"},
{"29.666", 0, "30"},
{"1.51", 1, "1.5"},
{"1.01", 1, "1"},
{"-16.400000000000006", 3, "-16.4"}, // #233
}
for _, tt := range numberTests {
t.Run(tt.number, func(t *testing.T) {
number := Decimal([]byte(tt.number), tt.truncate)
test.Minify(t, tt.number, nil, string(number), tt.expected, "truncate to", tt.truncate)
})
}
}
func TestNumber(t *testing.T) {
numberTests := []struct {
number string
expected string
}{
{"0", "0"},
{".0", "0"},
{"1.0", "1"},
{"0.1", ".1"},
{"+1", "1"},
{"-1", "-1"},
{"-0.1", "-.1"},
{"10", "10"},
{"100", "100"},
{"1000", "1e3"},
{"0.001", ".001"},
{"0.0001", "1e-4"},
{"100e1", "1e3"},
{"1.1e+1", "11"},
{"1.1e6", "11e5"},
{"1.1e", "1.1e"}, // broken number, don't parse
{"1.1e+", "1.1e+"}, // broken number, don't parse
{"0.252", ".252"},
{"1.252", "1.252"},
{"-1.252", "-1.252"},
{"0.075", ".075"},
{"789012345678901234567890123456789e9234567890123456789", "789012345678901234567890123456789e9234567890123456789"},
{".000100009", "100009e-9"},
{".0001000009", ".0001000009"},
{".0001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009", ".0001000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000009"},
{".6000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003e-9", ".6000000000000000000000000000000000000000000000000000000000000000000000000000000000000000003e-9"},
{"E\x1f", "E\x1f"}, // fuzz
{"1e9223372036854775807", "1e9223372036854775807"},
{"11e9223372036854775807", "11e9223372036854775807"},
{".01e-9223372036854775808", ".01e-9223372036854775808"},
{".011e-9223372036854775808", ".011e-9223372036854775808"},
{".12345e8", "12345e3"},
{".12345e7", "1234500"},
{".12345e6", "123450"},
{".12345e5", "12345"},
{".012345e6", "12345"},
{".12345e4", "1234.5"},
{"-.12345e4", "-1234.5"},
{".12345e0", ".12345"},
{".12345e-1", ".012345"},
{".12345e-2", ".0012345"},
{".12345e-3", "12345e-8"},
{".12345e-4", "12345e-9"},
{".12345e-5", ".12345e-5"},
{".123456e-3", "123456e-9"},
{".123456e-2", ".00123456"},
{".1234567e-4", ".1234567e-4"},
{".1234567e-3", ".0001234567"},
{"12345678e-1", "1234567.8"},
{"72.e-3", ".072"},
{"7640e-2", "76.4"},
{"10.e-3", ".01"},
{".0319e3", "31.9"},
{"39.7e-2", ".397"},
{"39.7e-3", ".0397"},
{".01e1", ".1"},
{".001e1", ".01"},
{"39.7e-5", "397e-6"},
}
for _, tt := range numberTests {
t.Run(tt.number, func(t *testing.T) {
number := Number([]byte(tt.number), -1)
test.Minify(t, tt.number, nil, string(number), tt.expected)
})
}
}
func TestNumberTruncate(t *testing.T) {
numberTests := []struct {
number string
truncate int
expected string
}{
{"0.1", 1, ".1"},
{"0.0001", 1, "1e-4"},
{"0.111", 1, ".1"},
{"0.111", 0, "0"},
{"0.075", 1, ".1"},
{"0.025", 1, "0"},
{"9.99", 1, "10"},
{"8.88", 1, "8.9"},
{"8.88", 0, "9"},
{"8.00", 0, "8"},
{".88", 0, "1"},
{"1.234", 1, "1.2"},
{"33.33", 0, "33"},
{"29.666", 0, "30"},
{"1.51", 1, "1.5"},
{"1.01", 1, "1"},
{"-16.400000000000006", 3, "-16.4"}, // #233
}
for _, tt := range numberTests {
t.Run(tt.number, func(t *testing.T) {
number := Number([]byte(tt.number), tt.truncate)
test.Minify(t, tt.number, nil, string(number), tt.expected, "truncate to", tt.truncate)
})
}
}
func TestDecimalRandom(t *testing.T) {
N := int(1e4)
if testing.Short() {
N = 0
}
for i := 0; i < N; i++ {
b := RandNumBytes(false)
f, _ := strconv.ParseFloat(string(b), 64)
b2 := make([]byte, len(b))
copy(b2, b)
b2 = Decimal(b2, -1)
f2, _ := strconv.ParseFloat(string(b2), 64)
if math.Abs(f-f2) > 1e-6 {
fmt.Println("Bad:", f, "!=", f2, "in", string(b), "to", string(b2))
}
}
}
func TestNumberRandom(t *testing.T) {
N := int(1e4)
if testing.Short() {
N = 0
}
for i := 0; i < N; i++ {
b := RandNumBytes(true)
f, _ := strconv.ParseFloat(string(b), 64)
b2 := make([]byte, len(b))
copy(b2, b)
b2 = Number(b2, -1)
f2, _ := strconv.ParseFloat(string(b2), 64)
if math.Abs(f-f2) > 1e-6 {
fmt.Println("Bad:", f, "!=", f2, "in", string(b), "to", string(b2))
}
}
}
////////////////
var n = 100
var numbers [][]byte
func TestMain(t *testing.T) {
numbers = make([][]byte, 0, n)
for j := 0; j < n; j++ {
numbers = append(numbers, RandNumBytes(true))
}
}
func RandNumBytes(withExp bool) []byte {
var b []byte
n := rand.Int() % 10
for i := 0; i < n; i++ {
b = append(b, byte(rand.Int()%10)+'0')
}
if rand.Int()%2 == 0 {
b = append(b, '.')
n = rand.Int() % 10
for i := 0; i < n; i++ {
b = append(b, byte(rand.Int()%10)+'0')
}
}
if withExp && rand.Int()%2 == 0 {
b = append(b, 'e')
if rand.Int()%2 == 0 {
b = append(b, '-')
}
n = 1 + rand.Int()%4
for i := 0; i < n; i++ {
b = append(b, byte(rand.Int()%10)+'0')
}
}
return b
}
func BenchmarkNumber(b *testing.B) {
for i := 0; i < b.N; i++ {
for j := 0; j < n; j++ {
Number(numbers[j], -1)
}
}
}
func BenchmarkNumber2(b *testing.B) {
num := []byte("1.2345e-6")
for i := 0; i < b.N; i++ {
Number(num, -1)
}
}