repository: remove unused DownloadAndHash

internal/repository/repository_test.go

@@ -13,8 +13,6 @@ import (
 	"time"
 
 	"github.com/restic/restic/internal/archiver"
-	"github.com/restic/restic/internal/errors"
-	"github.com/restic/restic/internal/fs"
 	"github.com/restic/restic/internal/repository"
 	"github.com/restic/restic/internal/restic"
 	rtest "github.com/restic/restic/internal/test"
@@ -411,107 +409,3 @@ func TestRepositoryIncrementalIndex(t *testing.T) {
 		}
 	}
 }
-
-type backend struct {
-	rd io.Reader
-}
-
-func (be backend) Load(ctx context.Context, h restic.Handle, length int, offset int64, fn func(rd io.Reader) error) error {
-	return fn(be.rd)
-}
-
-type retryBackend struct {
-	buf []byte
-}
-
-func (be retryBackend) Load(ctx context.Context, h restic.Handle, length int, offset int64, fn func(rd io.Reader) error) error {
-	err := fn(bytes.NewReader(be.buf[:len(be.buf)/2]))
-	if err != nil {
-		return err
-	}
-
-	return fn(bytes.NewReader(be.buf))
-}
-
-func TestDownloadAndHash(t *testing.T) {
-	buf := make([]byte, 5*1024*1024+881)
-	_, err := io.ReadFull(rnd, buf)
-	if err != nil {
-		t.Fatal(err)
-	}
-
-	var tests = []struct {
-		be   repository.Loader
-		want []byte
-	}{
-		{
-			be:   backend{rd: bytes.NewReader(buf)},
-			want: buf,
-		},
-		{
-			be:   retryBackend{buf: buf},
-			want: buf,
-		},
-	}
-
-	for _, test := range tests {
-		t.Run("", func(t *testing.T) {
-			f, id, size, err := repository.DownloadAndHash(context.TODO(), test.be, restic.Handle{})
-			if err != nil {
-				t.Error(err)
-			}
-
-			want := restic.Hash(test.want)
-			if !want.Equal(id) {
-				t.Errorf("wrong hash returned, want %v, got %v", want.Str(), id.Str())
-			}
-
-			if size != int64(len(test.want)) {
-				t.Errorf("wrong size returned, want %v, got %v", test.want, size)
-			}
-
-			err = f.Close()
-			if err != nil {
-				t.Error(err)
-			}
-
-			err = fs.RemoveIfExists(f.Name())
-			if err != nil {
-				t.Fatal(err)
-			}
-		})
-	}
-}
-
-type errorReader struct {
-	err error
-}
-
-func (er errorReader) Read(p []byte) (n int, err error) {
-	return 0, er.err
-}
-
-func TestDownloadAndHashErrors(t *testing.T) {
-	var tests = []struct {
-		be  repository.Loader
-		err string
-	}{
-		{
-			be:  backend{rd: errorReader{errors.New("test error 1")}},
-			err: "test error 1",
-		},
-	}
-
-	for _, test := range tests {
-		t.Run("", func(t *testing.T) {
-			_, _, _, err := repository.DownloadAndHash(context.TODO(), test.be, restic.Handle{})
-			if err == nil {
-				t.Fatalf("wanted error %q, got nil", test.err)
-			}
-
-			if errors.Cause(err).Error() != test.err {
-				t.Fatalf("wanted error %q, got %q", test.err, err)
-			}
-		})
-	}
-}