rclone/fs/operations/copy_test.go

456 lines
13 KiB
Go
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

package operations_test
import (
"context"
"crypto/rand"
"errors"
"fmt"
"strings"
"testing"
"github.com/rclone/rclone/fs"
"github.com/rclone/rclone/fs/accounting"
"github.com/rclone/rclone/fs/operations"
"github.com/rclone/rclone/fstest"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestTruncateString(t *testing.T) {
for _, test := range []struct {
in string
n int
want string
}{
{
in: "",
n: 0,
want: "",
}, {
in: "Hello World",
n: 5,
want: "Hello",
}, {
in: "ááááá",
n: 5,
want: "áá",
}, {
in: "ááááá\xFF\xFF",
n: 5,
want: "áá\xc3",
}, {
in: "世世世世世",
n: 7,
want: "世世",
}, {
in: "🙂🙂🙂🙂🙂",
n: 16,
want: "🙂🙂🙂🙂",
}, {
in: "🙂🙂🙂🙂🙂",
n: 15,
want: "🙂🙂🙂",
}, {
in: "🙂🙂🙂🙂🙂",
n: 14,
want: "🙂🙂🙂",
}, {
in: "🙂🙂🙂🙂🙂",
n: 13,
want: "🙂🙂🙂",
}, {
in: "🙂🙂🙂🙂🙂",
n: 12,
want: "🙂🙂🙂",
}, {
in: "🙂🙂🙂🙂🙂",
n: 11,
want: "🙂🙂",
}, {
in: "𝓝𝓸𝓫𝓸𝓭𝔂 𝓲𝓼 𝓱𝓸𝓶𝓮 ᴬ ⱽⁱˢⁱᵗ ᶠʳᵒᵐ ᵗʰᵉ ⱽⁱˢⁱᵒⁿᵃʳʸ",
n: 100,
want: "𝓝𝓸𝓫𝓸𝓭𝔂 𝓲𝓼 𝓱𝓸𝓶𝓮 ᴬ ⱽⁱˢⁱᵗ ᶠʳᵒᵐ ᵗʰᵉ ⱽⁱˢ",
}, {
in: "a𝓝𝓸𝓫𝓸𝓭𝔂 𝓲𝓼 𝓱𝓸𝓶𝓮 ᴬ ⱽⁱˢⁱᵗ ᶠʳᵒᵐ ᵗʰᵉ ⱽⁱˢⁱᵒⁿᵃʳʸ",
n: 100,
want: "a𝓝𝓸𝓫𝓸𝓭𝔂 𝓲𝓼 𝓱𝓸𝓶𝓮 ᴬ ⱽⁱˢⁱᵗ ᶠʳᵒᵐ ᵗʰᵉ ⱽⁱˢ",
}, {
in: "aa𝓝𝓸𝓫𝓸𝓭𝔂 𝓲𝓼 𝓱𝓸𝓶𝓮 ᴬ ⱽⁱˢⁱᵗ ᶠʳᵒᵐ ᵗʰᵉ ⱽⁱˢⁱᵒⁿᵃʳʸ",
n: 100,
want: "aa𝓝𝓸𝓫𝓸𝓭𝔂 𝓲𝓼 𝓱𝓸𝓶𝓮 ᴬ ⱽⁱˢⁱᵗ ᶠʳᵒᵐ ᵗʰᵉ ⱽⁱ",
}, {
in: "aaa𝓝𝓸𝓫𝓸𝓭𝔂 𝓲𝓼 𝓱𝓸𝓶𝓮 ᴬ ⱽⁱˢⁱᵗ ᶠʳᵒᵐ ᵗʰᵉ ⱽⁱˢⁱᵒⁿᵃʳʸ",
n: 100,
want: "aaa𝓝𝓸𝓫𝓸𝓭𝔂 𝓲𝓼 𝓱𝓸𝓶𝓮 ᴬ ⱽⁱˢⁱᵗ ᶠʳᵒᵐ ᵗʰᵉ ⱽⁱ",
}, {
in: "aaaa𝓝𝓸𝓫𝓸𝓭𝔂 𝓲𝓼 𝓱𝓸𝓶𝓮 ᴬ ⱽⁱˢⁱᵗ ᶠʳᵒᵐ ᵗʰᵉ ⱽⁱˢⁱᵒⁿᵃʳʸ",
n: 100,
want: "aaaa𝓝𝓸𝓫𝓸𝓭𝔂 𝓲𝓼 𝓱𝓸𝓶𝓮 ᴬ ⱽⁱˢⁱᵗ ᶠʳᵒᵐ ᵗʰᵉ ⱽ",
},
} {
got := operations.TruncateString(test.in, test.n)
assert.Equal(t, test.want, got, fmt.Sprintf("In %q", test.in))
assert.LessOrEqual(t, len(got), test.n)
assert.GreaterOrEqual(t, len(got), test.n-3)
}
}
func TestCopyFile(t *testing.T) {
ctx := context.Background()
r := fstest.NewRun(t)
file1 := r.WriteFile("file1", "file1 contents", t1)
r.CheckLocalItems(t, file1)
file2 := file1
file2.Path = "sub/file2"
err := operations.CopyFile(ctx, r.Fremote, r.Flocal, file2.Path, file1.Path)
require.NoError(t, err)
r.CheckLocalItems(t, file1)
r.CheckRemoteItems(t, file2)
err = operations.CopyFile(ctx, r.Fremote, r.Flocal, file2.Path, file1.Path)
require.NoError(t, err)
r.CheckLocalItems(t, file1)
r.CheckRemoteItems(t, file2)
err = operations.CopyFile(ctx, r.Fremote, r.Fremote, file2.Path, file2.Path)
require.NoError(t, err)
r.CheckLocalItems(t, file1)
r.CheckRemoteItems(t, file2)
}
func TestCopyFileBackupDir(t *testing.T) {
ctx := context.Background()
ctx, ci := fs.AddConfig(ctx)
r := fstest.NewRun(t)
if !operations.CanServerSideMove(r.Fremote) {
t.Skip("Skipping test as remote does not support server-side move or copy")
}
ci.BackupDir = r.FremoteName + "/backup"
file1 := r.WriteFile("dst/file1", "file1 contents", t1)
r.CheckLocalItems(t, file1)
file1old := r.WriteObject(ctx, "dst/file1", "file1 contents old", t1)
r.CheckRemoteItems(t, file1old)
err := operations.CopyFile(ctx, r.Fremote, r.Flocal, file1.Path, file1.Path)
require.NoError(t, err)
r.CheckLocalItems(t, file1)
file1old.Path = "backup/dst/file1"
r.CheckRemoteItems(t, file1old, file1)
}
// Test with CompareDest set
func TestCopyFileCompareDest(t *testing.T) {
ctx := context.Background()
ctx, ci := fs.AddConfig(ctx)
r := fstest.NewRun(t)
ci.CompareDest = []string{r.FremoteName + "/CompareDest"}
fdst, err := fs.NewFs(ctx, r.FremoteName+"/dst")
require.NoError(t, err)
// check empty dest, empty compare
file1 := r.WriteFile("one", "one", t1)
r.CheckLocalItems(t, file1)
err = operations.CopyFile(ctx, fdst, r.Flocal, file1.Path, file1.Path)
require.NoError(t, err)
file1dst := file1
file1dst.Path = "dst/one"
r.CheckRemoteItems(t, file1dst)
// check old dest, empty compare
file1b := r.WriteFile("one", "onet2", t2)
r.CheckRemoteItems(t, file1dst)
r.CheckLocalItems(t, file1b)
err = operations.CopyFile(ctx, fdst, r.Flocal, file1b.Path, file1b.Path)
require.NoError(t, err)
file1bdst := file1b
file1bdst.Path = "dst/one"
r.CheckRemoteItems(t, file1bdst)
// check old dest, new compare
file3 := r.WriteObject(ctx, "dst/one", "one", t1)
file2 := r.WriteObject(ctx, "CompareDest/one", "onet2", t2)
file1c := r.WriteFile("one", "onet2", t2)
r.CheckRemoteItems(t, file2, file3)
r.CheckLocalItems(t, file1c)
err = operations.CopyFile(ctx, fdst, r.Flocal, file1c.Path, file1c.Path)
require.NoError(t, err)
r.CheckRemoteItems(t, file2, file3)
// check empty dest, new compare
file4 := r.WriteObject(ctx, "CompareDest/two", "two", t2)
file5 := r.WriteFile("two", "two", t2)
r.CheckRemoteItems(t, file2, file3, file4)
r.CheckLocalItems(t, file1c, file5)
err = operations.CopyFile(ctx, fdst, r.Flocal, file5.Path, file5.Path)
require.NoError(t, err)
r.CheckRemoteItems(t, file2, file3, file4)
// check new dest, new compare
err = operations.CopyFile(ctx, fdst, r.Flocal, file5.Path, file5.Path)
require.NoError(t, err)
r.CheckRemoteItems(t, file2, file3, file4)
// check empty dest, old compare
file5b := r.WriteFile("two", "twot3", t3)
r.CheckRemoteItems(t, file2, file3, file4)
r.CheckLocalItems(t, file1c, file5b)
err = operations.CopyFile(ctx, fdst, r.Flocal, file5b.Path, file5b.Path)
require.NoError(t, err)
file5bdst := file5b
file5bdst.Path = "dst/two"
r.CheckRemoteItems(t, file2, file3, file4, file5bdst)
}
// Test with CopyDest set
func TestCopyFileCopyDest(t *testing.T) {
ctx := context.Background()
ctx, ci := fs.AddConfig(ctx)
r := fstest.NewRun(t)
if r.Fremote.Features().Copy == nil {
t.Skip("Skipping test as remote does not support server-side copy")
}
ci.CopyDest = []string{r.FremoteName + "/CopyDest"}
fdst, err := fs.NewFs(ctx, r.FremoteName+"/dst")
require.NoError(t, err)
// check empty dest, empty copy
file1 := r.WriteFile("one", "one", t1)
r.CheckLocalItems(t, file1)
err = operations.CopyFile(ctx, fdst, r.Flocal, file1.Path, file1.Path)
require.NoError(t, err)
file1dst := file1
file1dst.Path = "dst/one"
r.CheckRemoteItems(t, file1dst)
// check old dest, empty copy
file1b := r.WriteFile("one", "onet2", t2)
r.CheckRemoteItems(t, file1dst)
r.CheckLocalItems(t, file1b)
err = operations.CopyFile(ctx, fdst, r.Flocal, file1b.Path, file1b.Path)
require.NoError(t, err)
file1bdst := file1b
file1bdst.Path = "dst/one"
r.CheckRemoteItems(t, file1bdst)
// check old dest, new copy, backup-dir
ci.BackupDir = r.FremoteName + "/BackupDir"
file3 := r.WriteObject(ctx, "dst/one", "one", t1)
file2 := r.WriteObject(ctx, "CopyDest/one", "onet2", t2)
file1c := r.WriteFile("one", "onet2", t2)
r.CheckRemoteItems(t, file2, file3)
r.CheckLocalItems(t, file1c)
err = operations.CopyFile(ctx, fdst, r.Flocal, file1c.Path, file1c.Path)
require.NoError(t, err)
file2dst := file2
file2dst.Path = "dst/one"
file3.Path = "BackupDir/one"
r.CheckRemoteItems(t, file2, file2dst, file3)
ci.BackupDir = ""
// check empty dest, new copy
file4 := r.WriteObject(ctx, "CopyDest/two", "two", t2)
file5 := r.WriteFile("two", "two", t2)
r.CheckRemoteItems(t, file2, file2dst, file3, file4)
r.CheckLocalItems(t, file1c, file5)
err = operations.CopyFile(ctx, fdst, r.Flocal, file5.Path, file5.Path)
require.NoError(t, err)
file4dst := file4
file4dst.Path = "dst/two"
r.CheckRemoteItems(t, file2, file2dst, file3, file4, file4dst)
// check new dest, new copy
err = operations.CopyFile(ctx, fdst, r.Flocal, file5.Path, file5.Path)
require.NoError(t, err)
r.CheckRemoteItems(t, file2, file2dst, file3, file4, file4dst)
// check empty dest, old copy
file6 := r.WriteObject(ctx, "CopyDest/three", "three", t2)
file7 := r.WriteFile("three", "threet3", t3)
r.CheckRemoteItems(t, file2, file2dst, file3, file4, file4dst, file6)
r.CheckLocalItems(t, file1c, file5, file7)
err = operations.CopyFile(ctx, fdst, r.Flocal, file7.Path, file7.Path)
require.NoError(t, err)
file7dst := file7
file7dst.Path = "dst/three"
r.CheckRemoteItems(t, file2, file2dst, file3, file4, file4dst, file6, file7dst)
}
func TestCopyInplace(t *testing.T) {
ctx := context.Background()
ctx, ci := fs.AddConfig(ctx)
r := fstest.NewRun(t)
if !r.Fremote.Features().PartialUploads {
t.Skip("Partial uploads not supported")
}
ci.Inplace = true
file1 := r.WriteFile("file1", "file1 contents", t1)
r.CheckLocalItems(t, file1)
file2 := file1
file2.Path = "sub/file2"
err := operations.CopyFile(ctx, r.Fremote, r.Flocal, file2.Path, file1.Path)
require.NoError(t, err)
r.CheckLocalItems(t, file1)
r.CheckRemoteItems(t, file2)
err = operations.CopyFile(ctx, r.Fremote, r.Flocal, file2.Path, file1.Path)
require.NoError(t, err)
r.CheckLocalItems(t, file1)
r.CheckRemoteItems(t, file2)
err = operations.CopyFile(ctx, r.Fremote, r.Fremote, file2.Path, file2.Path)
require.NoError(t, err)
r.CheckLocalItems(t, file1)
r.CheckRemoteItems(t, file2)
}
func TestCopyLongFileName(t *testing.T) {
ctx := context.Background()
ctx, ci := fs.AddConfig(ctx)
r := fstest.NewRun(t)
if !r.Fremote.Features().PartialUploads {
t.Skip("Partial uploads not supported")
}
ci.Inplace = false // the default
file1 := r.WriteFile("file1", "file1 contents", t1)
r.CheckLocalItems(t, file1)
file2 := file1
file2.Path = "sub/" + strings.Repeat("file2", 30)
err := operations.CopyFile(ctx, r.Fremote, r.Flocal, file2.Path, file1.Path)
require.NoError(t, err)
r.CheckLocalItems(t, file1)
r.CheckRemoteItems(t, file2)
err = operations.CopyFile(ctx, r.Fremote, r.Flocal, file2.Path, file1.Path)
require.NoError(t, err)
r.CheckLocalItems(t, file1)
r.CheckRemoteItems(t, file2)
err = operations.CopyFile(ctx, r.Fremote, r.Fremote, file2.Path, file2.Path)
require.NoError(t, err)
r.CheckLocalItems(t, file1)
r.CheckRemoteItems(t, file2)
}
func TestCopyFileMaxTransfer(t *testing.T) {
ctx := context.Background()
ctx, ci := fs.AddConfig(ctx)
r := fstest.NewRun(t)
defer accounting.Stats(ctx).ResetCounters()
const sizeCutoff = 2048
// Make random incompressible data
randomData := make([]byte, sizeCutoff)
_, err := rand.Read(randomData)
require.NoError(t, err)
randomString := string(randomData)
file1 := r.WriteFile("TestCopyFileMaxTransfer/file1", "file1 contents", t1)
file2 := r.WriteFile("TestCopyFileMaxTransfer/file2", "file2 contents"+randomString, t2)
file3 := r.WriteFile("TestCopyFileMaxTransfer/file3", "file3 contents"+randomString, t2)
file4 := r.WriteFile("TestCopyFileMaxTransfer/file4", "file4 contents"+randomString, t2)
// Cutoff mode: Hard
ci.MaxTransfer = sizeCutoff
ci.CutoffMode = fs.CutoffModeHard
// file1: Show a small file gets transferred OK
accounting.Stats(ctx).ResetCounters()
err = operations.CopyFile(ctx, r.Fremote, r.Flocal, file1.Path, file1.Path)
require.NoError(t, err)
r.CheckLocalItems(t, file1, file2, file3, file4)
r.CheckRemoteItems(t, file1)
// file2: show a large file does not get transferred
accounting.Stats(ctx).ResetCounters()
err = operations.CopyFile(ctx, r.Fremote, r.Flocal, file2.Path, file2.Path)
require.NotNil(t, err, "Did not get expected max transfer limit error")
if !errors.Is(err, accounting.ErrorMaxTransferLimitReachedFatal) {
t.Log("Expecting error to contain accounting.ErrorMaxTransferLimitReachedFatal")
// Sometimes the backends or their SDKs don't pass the
// error through properly, so check that it at least
// has the text we expect in.
assert.Contains(t, err.Error(), "max transfer limit reached")
}
r.CheckLocalItems(t, file1, file2, file3, file4)
r.CheckRemoteItems(t, file1)
// Cutoff mode: Cautious
ci.CutoffMode = fs.CutoffModeCautious
// file3: show a large file does not get transferred
accounting.Stats(ctx).ResetCounters()
err = operations.CopyFile(ctx, r.Fremote, r.Flocal, file3.Path, file3.Path)
require.NotNil(t, err)
assert.True(t, errors.Is(err, accounting.ErrorMaxTransferLimitReachedGraceful))
r.CheckLocalItems(t, file1, file2, file3, file4)
r.CheckRemoteItems(t, file1)
if isChunker(r.Fremote) {
t.Log("skipping remainder of test for chunker as it involves multiple transfers")
return
}
// Cutoff mode: Soft
ci.CutoffMode = fs.CutoffModeSoft
// file4: show a large file does get transferred this time
accounting.Stats(ctx).ResetCounters()
err = operations.CopyFile(ctx, r.Fremote, r.Flocal, file4.Path, file4.Path)
require.NoError(t, err)
r.CheckLocalItems(t, file1, file2, file3, file4)
r.CheckRemoteItems(t, file1, file4)
}