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4a382c09ec
Before this change we ran the tests and the mount in the same process. This could cause deadlocks and often did, and made the mount tests very unreliable. This fixes the problem by running the mount in a seperate process and commanding it via a pipe over stdin/stdout.
179 lines
3.9 KiB
Go
179 lines
3.9 KiB
Go
package vfstest
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import (
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"os"
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"runtime"
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"testing"
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"github.com/rclone/rclone/vfs/vfscommon"
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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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// TestWriteFileNoWrite tests writing a file with no write()'s to it
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func TestWriteFileNoWrite(t *testing.T) {
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run.skipIfNoFUSE(t)
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fd, err := osCreate(run.path("testnowrite"))
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assert.NoError(t, err)
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err = fd.Close()
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assert.NoError(t, err)
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run.waitForWriters()
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run.checkDir(t, "testnowrite 0")
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run.rm(t, "testnowrite")
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}
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// FIXMETestWriteOpenFileInDirListing tests open file in directory listing
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func FIXMETestWriteOpenFileInDirListing(t *testing.T) {
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run.skipIfNoFUSE(t)
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fd, err := osCreate(run.path("testnowrite"))
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assert.NoError(t, err)
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run.checkDir(t, "testnowrite 0")
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err = fd.Close()
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assert.NoError(t, err)
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run.waitForWriters()
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run.rm(t, "testnowrite")
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}
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// TestWriteFileWrite tests writing a file and reading it back
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func TestWriteFileWrite(t *testing.T) {
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run.skipIfNoFUSE(t)
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run.createFile(t, "testwrite", "data")
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run.checkDir(t, "testwrite 4")
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contents := run.readFile(t, "testwrite")
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assert.Equal(t, "data", contents)
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run.rm(t, "testwrite")
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}
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// TestWriteFileOverwrite tests overwriting a file
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func TestWriteFileOverwrite(t *testing.T) {
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run.skipIfNoFUSE(t)
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run.createFile(t, "testwrite", "data")
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run.checkDir(t, "testwrite 4")
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run.createFile(t, "testwrite", "potato")
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contents := run.readFile(t, "testwrite")
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assert.Equal(t, "potato", contents)
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run.rm(t, "testwrite")
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}
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// TestWriteFileFsync tests Fsync
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//
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// NB the code for this is in file.go rather than write.go
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func TestWriteFileFsync(t *testing.T) {
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run.skipIfNoFUSE(t)
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filepath := run.path("to be synced")
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fd, err := osCreate(filepath)
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require.NoError(t, err)
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_, err = fd.Write([]byte("hello"))
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require.NoError(t, err)
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err = fd.Sync()
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require.NoError(t, err)
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err = fd.Close()
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require.NoError(t, err)
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run.waitForWriters()
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run.rm(t, "to be synced")
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}
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// TestWriteFileDup tests behavior of mmap() in Python by using dup() on a file handle
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func TestWriteFileDup(t *testing.T) {
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run.skipIfVFS(t)
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run.skipIfNoFUSE(t)
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if run.vfsOpt.CacheMode < vfscommon.CacheModeWrites {
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t.Skip("not supported on vfs-cache-mode < writes")
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return
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}
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filepath := run.path("to be synced")
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fh, err := osCreate(filepath)
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require.NoError(t, err)
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testData := []byte("0123456789")
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err = fh.Truncate(int64(len(testData) + 2))
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require.NoError(t, err)
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err = fh.Sync()
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require.NoError(t, err)
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var dupFd uintptr
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dupFd, err = writeTestDup(fh.Fd())
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require.NoError(t, err)
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dupFile := os.NewFile(dupFd, fh.Name())
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_, err = dupFile.Write(testData)
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require.NoError(t, err)
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err = dupFile.Close()
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require.NoError(t, err)
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_, err = fh.Seek(int64(len(testData)), 0)
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require.NoError(t, err)
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_, err = fh.Write([]byte("10"))
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require.NoError(t, err)
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err = fh.Close()
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require.NoError(t, err)
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run.waitForWriters()
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run.rm(t, "to be synced")
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}
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// TestWriteFileAppend tests that O_APPEND works on cache backends >= writes
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func TestWriteFileAppend(t *testing.T) {
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run.skipIfNoFUSE(t)
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if run.vfsOpt.CacheMode < vfscommon.CacheModeWrites {
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t.Skip("not supported on vfs-cache-mode < writes")
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return
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}
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// TODO: Windows needs the v1.5 release of WinFsp to handle O_APPEND properly.
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// Until it gets released, skip this test on Windows.
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if runtime.GOOS == "windows" {
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t.Skip("currently unsupported on Windows")
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}
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filepath := run.path("to be synced")
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fh, err := osCreate(filepath)
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require.NoError(t, err)
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testData := []byte("0123456789")
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appendData := []byte("10")
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_, err = fh.Write(testData)
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require.NoError(t, err)
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err = fh.Close()
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require.NoError(t, err)
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fh, err = osAppend(filepath)
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require.NoError(t, err)
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_, err = fh.Write(appendData)
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require.NoError(t, err)
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err = fh.Close()
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require.NoError(t, err)
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info, err := run.os.Stat(filepath)
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require.NoError(t, err)
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require.EqualValues(t, len(testData)+len(appendData), info.Size())
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run.waitForWriters()
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run.rm(t, "to be synced")
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}
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