65 lines
1.0 KiB
Go
65 lines
1.0 KiB
Go
package file
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import (
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"crypto/md5"
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"fmt"
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"os"
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"path/filepath"
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"testing"
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)
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func TestFileMD5(t *testing.T) {
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t.Log(MD5("test.txt"))
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readFile, err := os.ReadFile("test.txt")
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if err != nil {
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t.Fatal(err)
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}
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t.Log(fmt.Sprintf("%x", md5.Sum(readFile)))
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}
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func TestS(t *testing.T) {
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t.Run("复用数组", func(t *testing.T) {
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fns := []string{"11", "22"}
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for idx, fn := range fns {
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if idx == 0 {
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fns = fns[0:0]
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}
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t.Log(len(fns), cap(fns))
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fns = append(fns, fn+"::")
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}
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t.Log(len(fns), cap(fns), fns)
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})
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t.Run("for range 改变数组", func(t *testing.T) {
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arr := []int{11, 22, 33}
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for idx, v := range arr {
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if idx < len(arr)-1 {
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arr[idx+1]++
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}
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t.Log(v)
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}
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})
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}
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func TestScan(t *testing.T) {
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var (
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err error
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head string
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)
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err = DirScan("../data", func(dir string, info os.FileInfo) {
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if info.IsDir() {
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head = "-"
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} else {
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head = "|"
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}
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t.Log(head, filepath.Join(dir, info.Name()), "size(byte):", info.Size())
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})
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if err != nil {
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t.Fatal(err)
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}
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}
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