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package fuse_test
import (
"io/ioutil"
"os"
"runtime"
"testing"
_ "github.com/anacrolix/envpprof"
"github.com/anacrolix/fuse"
)
func getFeatures(t *testing.T, opts ...fuse.MountOption) fuse.InitFlags {
tmp, err := ioutil.TempDir("", "fusetest")
if err != nil {
t.Fatalf("error creating temp dir: %v", err)
}
defer func() {
if err := os.RemoveAll(tmp); err != nil {
t.Errorf("error cleaning temp dir: %v", err)
}
}()
defer func() {
err := fuse.Unmount(tmp)
if err != nil {
t.Logf("error unmounting: %v", err)
}
}()
conn, err := fuse.Mount(tmp, opts...)
if err != nil {
t.Fatalf("error mounting: %v", err)
}
defer func() {
if err := conn.Close(); err != nil {
t.Errorf("error closing FUSE connection: %v", err)
}
}()
return conn.Features()
}
func TestFeatures(t *testing.T) {
run := func(name string, want, notwant fuse.InitFlags, opts ...fuse.MountOption) {
t.Run(name, func(t *testing.T) {
if runtime.GOOS == "freebsd" {
if want&fuse.InitFlockLocks != 0 {
t.Skip("FreeBSD FUSE does not implement Flock locks")
}
}
got := getFeatures(t, opts...)
t.Logf("features: %v", got)
missing := want &^ got
if missing != 0 {
t.Errorf("missing: %v", missing)
}
extra := got & notwant
if extra != 0 {
t.Errorf("extra: %v", extra)
}
})
}
run("Bare", 0, fuse.InitPOSIXLocks|fuse.InitFlockLocks)
run("LockingFlock", fuse.InitFlockLocks, 0, fuse.LockingFlock())
run("LockingPOSIX", fuse.InitPOSIXLocks, 0, fuse.LockingPOSIX())
run("AsyncRead", fuse.InitAsyncRead, 0, fuse.AsyncRead())
run("WritebackCache", fuse.InitWritebackCache, 0, fuse.WritebackCache())
}
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