func TestDiskWriteRead(t *testing.T) {
// Setup OS dir
const dirname = "_test_DiskWriteRead"
os.RemoveAll(dirname)
os.MkdirAll(dirname, 0700)
disk, err := diskfs.Mount(dirname, false)
if err != nil {
t.Fatalf("mount fs (%s)", err)
}
// Mount empty and write
d, err := Mount(disk)
if err != nil {
t.Fatalf("mount disk (%s)", err)
}
file := d.Master()
if _, err = file.Read(); err != ErrEndOfLog {
t.Errorf("expecting eof")
}
write(t, file)
if err := d.Unmount(); err != nil {
t.Errorf("unmount (%s)", err)
}
// Mount non-empty and verify contents
d, err = Mount(disk)
if err != nil {
t.Fatalf("mount2 disk (%s)", err)
}
file = d.Master()
read(t, file)
if err := d.Unmount(); err != nil {
t.Errorf("unmount (%s)", err)
}
}
func TestDiskPromote(t *testing.T) {
// Setup OS dir
const dirname = "_test_DiskPromote"
os.RemoveAll(dirname)
os.MkdirAll(dirname, 0700)
disk, err := diskfs.Mount(dirname, false)
if err != nil {
t.Fatalf("mount fs (%s)", err)
}
// Mount write
d, err := Mount(disk)
if err != nil {
t.Fatalf("mount disk (%s)", err)
}
file, err := d.CreateShadow()
if err != nil {
t.Fatalf("create shadow (%s)", err)
}
write(t, file)
if err = d.Promote(file); err != nil {
t.Fatalf("promote (%s)", err)
}
file = d.Master()
write(t, file)
if err := d.Unmount(); err != nil {
t.Errorf("unmount (%s)", err)
}
// Mount non-empty and verify contents
d, err = Mount(disk)
if err != nil {
t.Fatalf("mount2 disk (%s)", err)
}
file = d.Master()
read(t, file)
read(t, file)
if err := d.Unmount(); err != nil {
t.Errorf("unmount (%s)", err)
}
}