82 lines
1.5 KiB
Go
82 lines
1.5 KiB
Go
package utils
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import (
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"archive/tar"
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"bytes"
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"compress/gzip"
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"io"
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"net/http"
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"net/http/httptest"
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"os"
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"path/filepath"
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"testing"
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)
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// TestDownloadFile test DownloadFile
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func TestDownloadFile(t *testing.T) {
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const testFileName = "test.txt"
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testFileContent := []byte("test")
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serverTar := func() io.Reader {
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buf := bytes.NewBuffer(nil)
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gw := gzip.NewWriter(buf)
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defer func() {
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if err := gw.Close(); err != nil {
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t.Fatal(err)
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}
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}()
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tw := tar.NewWriter(gw)
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defer func() {
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if err := tw.Close(); err != nil {
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t.Fatal(err)
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}
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}()
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hdr := &tar.Header{
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Name: testFileName,
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Mode: 0600,
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Size: int64(len(testFileContent)),
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}
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if err := tw.WriteHeader(hdr); err != nil {
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t.Fatal(err)
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}
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if _, err := tw.Write(testFileContent); err != nil {
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t.Fatal(err)
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}
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return buf
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}()
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s := httptest.NewServer(http.HandlerFunc(func(rw http.ResponseWriter, r *http.Request) {
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if _, err := io.Copy(rw, serverTar); err != nil {
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t.Fatal(err)
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}
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}))
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defer s.Close()
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tmpDir, err := os.MkdirTemp("", "karmada-test-download-")
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if err != nil {
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t.Fatal(err)
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}
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defer func() {
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_ = os.RemoveAll(tmpDir)
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}()
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downloadTar := filepath.Join(tmpDir, "test.tar.gz")
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err = DownloadFile(s.URL, downloadTar)
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if err != nil {
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t.Fatal(err)
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}
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err = DeCompress(downloadTar, tmpDir)
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if err != nil {
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t.Fatal(err)
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}
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got, err := os.ReadFile(filepath.Join(tmpDir, testFileName))
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if err != nil {
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t.Fatal(err)
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}
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if want := testFileContent; !bytes.Equal(got, want) {
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t.Errorf("DeCompress() got %v, want %v", got, want)
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}
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}
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