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union: fix rename not working with union of local disk and bucket based remote

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Before this change the union's feature flags were a strict AND of the
underlying remotes. This means that a union of a local disk (which can
Move but not Copy) and a bucket based remote (which can Copy but not
Move) could neither Move nor Copy.

This fix advertises Move in the union if all the remotes can Move or
Copy. It also implements Move as Copy+Delete (like rclone does
normally) if the underlying union does not support Move.

This enables renames to work with unions of local disk and bucket
based remotes expected.

Fixes #5632
This commit is contained in:
Nick Craig-Wood 2021-09-30 11:11:46 +01:00
parent b389b84685
commit bb0c4ad2d8
3 changed files with 136 additions and 30 deletions
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34
backend/union/union_test.go
View file

@ -2,16 +2,13 @@
package union_test
import (
"fmt"
"io/ioutil"
"os"
"testing"
_ "github.com/rclone/rclone/backend/local"
_ "github.com/rclone/rclone/backend/memory"
"github.com/rclone/rclone/backend/union"
"github.com/rclone/rclone/fstest"
"github.com/rclone/rclone/fstest/fstests"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
// TestIntegration runs integration tests against the remote
@ -26,26 +23,11 @@ func TestIntegration(t *testing.T) {
})
}
func makeTestDirs(t *testing.T, n int) (dirs []string, clean func()) {
for i := 1; i <= n; i++ {
dir, err := ioutil.TempDir("", fmt.Sprintf("rclone-union-test-%d", n))
require.NoError(t, err)
dirs = append(dirs, dir)
}
clean = func() {
for _, dir := range dirs {
err := os.RemoveAll(dir)
assert.NoError(t, err)
}
}
return dirs, clean
}
func TestStandard(t *testing.T) {
if *fstest.RemoteName != "" {
t.Skip("Skipping as -remote set")
}
dirs, clean := makeTestDirs(t, 3)
dirs, clean := union.MakeTestDirs(t, 3)
defer clean()
upstreams := dirs[0] + " " + dirs[1] + " " + dirs[2]
name := "TestUnion"
@ -67,7 +49,7 @@ func TestRO(t *testing.T) {
if *fstest.RemoteName != "" {
t.Skip("Skipping as -remote set")
}
dirs, clean := makeTestDirs(t, 3)
dirs, clean := union.MakeTestDirs(t, 3)
defer clean()
upstreams := dirs[0] + " " + dirs[1] + ":ro " + dirs[2] + ":ro"
name := "TestUnionRO"
@ -89,7 +71,7 @@ func TestNC(t *testing.T) {
if *fstest.RemoteName != "" {
t.Skip("Skipping as -remote set")
}
dirs, clean := makeTestDirs(t, 3)
dirs, clean := union.MakeTestDirs(t, 3)
defer clean()
upstreams := dirs[0] + " " + dirs[1] + ":nc " + dirs[2] + ":nc"
name := "TestUnionNC"
@ -111,7 +93,7 @@ func TestPolicy1(t *testing.T) {
if *fstest.RemoteName != "" {
t.Skip("Skipping as -remote set")
}
dirs, clean := makeTestDirs(t, 3)
dirs, clean := union.MakeTestDirs(t, 3)
defer clean()
upstreams := dirs[0] + " " + dirs[1] + " " + dirs[2]
name := "TestUnionPolicy1"
@ -133,7 +115,7 @@ func TestPolicy2(t *testing.T) {
if *fstest.RemoteName != "" {
t.Skip("Skipping as -remote set")
}
dirs, clean := makeTestDirs(t, 3)
dirs, clean := union.MakeTestDirs(t, 3)
defer clean()
upstreams := dirs[0] + " " + dirs[1] + " " + dirs[2]
name := "TestUnionPolicy2"
@ -155,7 +137,7 @@ func TestPolicy3(t *testing.T) {
if *fstest.RemoteName != "" {
t.Skip("Skipping as -remote set")
}
dirs, clean := makeTestDirs(t, 3)
dirs, clean := union.MakeTestDirs(t, 3)
defer clean()
upstreams := dirs[0] + " " + dirs[1] + " " + dirs[2]
name := "TestUnionPolicy3"