karmada/pkg/karmadactl/cmdinit/utils/util_test.go

124 lines
2.5 KiB
Go

package utils
import (
"archive/tar"
"bytes"
"compress/gzip"
"io"
"net/http"
"net/http/httptest"
"os"
"path/filepath"
"reflect"
"testing"
)
// TestDownloadFile test DownloadFile
func TestDownloadFile(t *testing.T) {
const testFileName = "test.txt"
testFileContent := []byte("test")
serverTar := func() io.Reader {
buf := bytes.NewBuffer(nil)
gw := gzip.NewWriter(buf)
defer func() {
if err := gw.Close(); err != nil {
t.Fatal(err)
}
}()
tw := tar.NewWriter(gw)
defer func() {
if err := tw.Close(); err != nil {
t.Fatal(err)
}
}()
hdr := &tar.Header{
Name: testFileName,
Mode: 0600,
Size: int64(len(testFileContent)),
}
if err := tw.WriteHeader(hdr); err != nil {
t.Fatal(err)
}
if _, err := tw.Write(testFileContent); err != nil {
t.Fatal(err)
}
return buf
}()
s := httptest.NewServer(http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
if _, err := io.Copy(rw, serverTar); err != nil {
t.Fatal(err)
}
}))
defer s.Close()
tmpDir, err := os.MkdirTemp("", "karmada-test-download-")
if err != nil {
t.Fatal(err)
}
defer func() {
_ = os.RemoveAll(tmpDir)
}()
downloadTar := filepath.Join(tmpDir, "test.tar.gz")
err = DownloadFile(s.URL, downloadTar)
if err != nil {
t.Fatal(err)
}
err = DeCompress(downloadTar, tmpDir)
if err != nil {
t.Fatal(err)
}
got, err := os.ReadFile(filepath.Join(tmpDir, testFileName))
if err != nil {
t.Fatal(err)
}
if want := testFileContent; !bytes.Equal(got, want) {
t.Errorf("DeCompress() got %v, want %v", got, want)
}
}
func TestListFiles(t *testing.T) {
tests := []struct {
name string
path string
tempfiles []string
}{
{
name: "get files from path",
path: "temp-path" + randString(),
tempfiles: []string{"tempfiles1" + randString(), "tempfiles2" + randString()},
},
{
name: "no files from path",
path: "temp-path" + randString(),
tempfiles: []string{},
},
}
for _, tt := range tests {
err := os.Mkdir(tt.path, 0755)
if err != nil {
t.Fatal(err)
}
defer os.RemoveAll(tt.path)
var want []string
for i := 0; i < len(tt.tempfiles); i++ {
want = append(want, tt.path+"/"+tt.tempfiles[i])
_, err = os.Create(tt.path + "/" + tt.tempfiles[i])
if err != nil {
t.Fatal(err)
}
}
t.Run(tt.name, func(t *testing.T) {
if got := ListFiles(tt.path + "/"); !reflect.DeepEqual(got, want) {
t.Errorf("ListFiles() = %v, want %v", got, want)
}
})
}
}