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8d5bc7f28b
Before this change, if the cache was given a source `remote:file` it
stored `remote:` with the error `fs.ErrorIsFile` attached. This meant
that if it `remote:` was subsequently looked up it would return the
`fs.ErrorIsFile` error.
This broke `moveto remote:file remote:file2` as moveto would lookup
`remote:` from the second argument and erroneously get the
`fs.ErrorIsFile` error.
This likely broke other commands too.
This was broken in
4c9836035 fs/cache: Add Pin and Unpin and canonicalised lookup
Which was released in v1.52.0
The fix is to make a new cache entry for `remote:` with no error
attached in the case that the original call returned `fs.ErrorIsFile`.
182 lines
3.4 KiB
Go
182 lines
3.4 KiB
Go
package cache
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import (
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"errors"
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"testing"
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"github.com/rclone/rclone/fs"
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"github.com/rclone/rclone/fstest/mockfs"
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"github.com/stretchr/testify/assert"
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"github.com/stretchr/testify/require"
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)
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var (
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called = 0
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errSentinel = errors.New("an error")
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)
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func mockNewFs(t *testing.T) (func(), func(path string) (fs.Fs, error)) {
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called = 0
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create := func(path string) (f fs.Fs, err error) {
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assert.Equal(t, 0, called)
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called++
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switch path {
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case "mock:/":
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return mockfs.NewFs("mock", "/"), nil
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case "mock:/file.txt", "mock:file.txt":
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return mockfs.NewFs("mock", "/"), fs.ErrorIsFile
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case "mock:/error":
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return nil, errSentinel
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}
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t.Fatalf("Unknown path %q", path)
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panic("unreachable")
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}
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cleanup := func() {
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c.Clear()
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}
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return cleanup, create
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}
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func TestGet(t *testing.T) {
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cleanup, create := mockNewFs(t)
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defer cleanup()
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assert.Equal(t, 0, c.Entries())
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f, err := GetFn("mock:/", create)
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require.NoError(t, err)
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assert.Equal(t, 1, c.Entries())
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f2, err := GetFn("mock:/", create)
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require.NoError(t, err)
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assert.Equal(t, f, f2)
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}
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func TestGetFile(t *testing.T) {
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cleanup, create := mockNewFs(t)
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defer cleanup()
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assert.Equal(t, 0, c.Entries())
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f, err := GetFn("mock:/file.txt", create)
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require.Equal(t, fs.ErrorIsFile, err)
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require.NotNil(t, f)
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assert.Equal(t, 2, c.Entries())
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f2, err := GetFn("mock:/file.txt", create)
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require.Equal(t, fs.ErrorIsFile, err)
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require.NotNil(t, f2)
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assert.Equal(t, f, f2)
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// check parent is there too
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f2, err = GetFn("mock:/", create)
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require.Nil(t, err)
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require.NotNil(t, f2)
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assert.Equal(t, f, f2)
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}
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func TestGetFile2(t *testing.T) {
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cleanup, create := mockNewFs(t)
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defer cleanup()
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assert.Equal(t, 0, c.Entries())
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f, err := GetFn("mock:file.txt", create)
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require.Equal(t, fs.ErrorIsFile, err)
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require.NotNil(t, f)
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assert.Equal(t, 2, c.Entries())
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f2, err := GetFn("mock:file.txt", create)
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require.Equal(t, fs.ErrorIsFile, err)
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require.NotNil(t, f2)
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assert.Equal(t, f, f2)
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// check parent is there too
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f2, err = GetFn("mock:/", create)
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require.Nil(t, err)
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require.NotNil(t, f2)
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assert.Equal(t, f, f2)
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}
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func TestGetError(t *testing.T) {
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cleanup, create := mockNewFs(t)
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defer cleanup()
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assert.Equal(t, 0, c.Entries())
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f, err := GetFn("mock:/error", create)
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require.Equal(t, errSentinel, err)
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require.Equal(t, nil, f)
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assert.Equal(t, 0, c.Entries())
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}
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func TestPut(t *testing.T) {
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cleanup, create := mockNewFs(t)
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defer cleanup()
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f := mockfs.NewFs("mock", "/alien")
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assert.Equal(t, 0, c.Entries())
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Put("mock:/alien", f)
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assert.Equal(t, 1, c.Entries())
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fNew, err := GetFn("mock:/alien", create)
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require.NoError(t, err)
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require.Equal(t, f, fNew)
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assert.Equal(t, 1, c.Entries())
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// Check canonicalisation
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Put("mock:/alien/", f)
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fNew, err = GetFn("mock:/alien/", create)
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require.NoError(t, err)
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require.Equal(t, f, fNew)
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assert.Equal(t, 1, c.Entries())
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}
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func TestPin(t *testing.T) {
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cleanup, create := mockNewFs(t)
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defer cleanup()
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// Test pinning and unpinning non existent
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f := mockfs.NewFs("mock", "/alien")
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Pin(f)
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Unpin(f)
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// Now test pinning an existing
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f2, err := GetFn("mock:/", create)
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require.NoError(t, err)
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Pin(f2)
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Unpin(f2)
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}
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func TestClear(t *testing.T) {
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cleanup, create := mockNewFs(t)
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defer cleanup()
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// Create something
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_, err := GetFn("mock:/", create)
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require.NoError(t, err)
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assert.Equal(t, 1, c.Entries())
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Clear()
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assert.Equal(t, 0, c.Entries())
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}
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