func TestBytesizeError(t *testing.T) {
var err error
_, err = Parse("--1")
assert.Must(t, errors.Equal(err, ErrBadBytesize))
_, err = Parse("hello world")
assert.Must(t, errors.Equal(err, ErrBadBytesize))
_, err = Parse("123.132.32")
assert.Must(t, errors.Equal(err, ErrBadBytesize))
}
func testPipe2(t *testing.T, fileName string) {
r, w := openPipe(t, fileName)
c := 1024 * 128
s := "Hello world!!"
go func() {
for i := 0; i < c; i++ {
m := fmt.Sprintf("[%d]%s ", i, s)
_, err := ioutils.WriteFull(w, []byte(m))
assert.ErrorIsNil(t, err)
}
assert.ErrorIsNil(t, w.Close())
}()
time.Sleep(time.Millisecond * 100)
buf := make([]byte, len(s)*c*2)
n, err := ioutils.ReadFull(r, buf)
assert.Must(t, errors.Equal(err, io.EOF))
buf = buf[:n]
for i := 0; i < c; i++ {
m := fmt.Sprintf("[%d]%s ", i, s)
assert.Must(t, len(buf) >= len(m))
assert.Must(t, string(buf[:len(m)]) == m)
buf = buf[len(m):]
}
assert.Must(t, len(buf) == 0)
assert.ErrorIsNil(t, r.Close())
}
func TestPipeReadClose2(t *testing.T) {
r, w := Pipe()
c := make(chan int, 1)
go delayClose(t, r, c, pipeTest{})
n, err := r.Read(make([]byte, 64))
<-c
assert.Must(t, errors.Equal(err, io.ErrClosedPipe))
assert.Must(t, n == 0)
assert.ErrorIsNil(t, w.Close())
}
func TestWriteAfterWriterClose(t *testing.T) {
r, w := Pipe()
s := "hello"
errs := make(chan error)
go func() {
_, err := ioutils.WriteFull(w, []byte(s))
assert.ErrorIsNil(t, err)
assert.ErrorIsNil(t, w.Close())
_, err = w.Write([]byte("world"))
errs <- err
}()
buf := make([]byte, 4096)
n, err := ioutils.ReadFull(r, buf)
assert.Must(t, errors.Equal(err, io.EOF))
assert.Must(t, string(buf[:n]) == s)
err = <-errs
assert.Must(t, errors.Equal(err, io.ErrClosedPipe))
assert.ErrorIsNil(t, r.Close())
}
func TestWriteNil(t *testing.T) {
r, w := Pipe()
go func() {
_, err := w.Write(nil)
assert.ErrorIsNil(t, err)
assert.ErrorIsNil(t, w.Close())
}()
buf := make([]byte, 4096)
n, err := ioutils.ReadFull(r, buf)
assert.Must(t, errors.Equal(err, io.EOF))
assert.Must(t, n == 0)
assert.ErrorIsNil(t, r.Close())
}
func testPipe1(t *testing.T, fileName string) {
r, w := openPipe(t, fileName)
s := "Hello world!!"
go func(data []byte) {
_, err := ioutils.WriteFull(w, data)
assert.ErrorIsNil(t, err)
assert.ErrorIsNil(t, w.Close())
}([]byte(s))
buf := make([]byte, 64)
n, err := ioutils.ReadFull(r, buf)
assert.Must(t, errors.Equal(err, io.EOF))
assert.Must(t, n == len(s))
assert.Must(t, string(buf[:n]) == s)
assert.ErrorIsNil(t, r.Close())
}
func testPipe3(t *testing.T, fileName string) {
r, w := openPipe(t, fileName)
c := make(chan int)
size := 4096
go func() {
buf := make([]byte, size)
for {
n, err := r.Read(buf)
if errors.Equal(err, io.EOF) {
break
}
assert.ErrorIsNil(t, err)
c <- n
}
assert.ErrorIsNil(t, r.Close())
c <- 0
}()
go func() {
buf := make([]byte, size)
for i := 1; i < size; i++ {
n, err := ioutils.WriteFull(w, buf[:i])
assert.ErrorIsNil(t, err)
assert.Must(t, n == i)
}
assert.ErrorIsNil(t, w.Close())
}()
sum := 0
for i := 1; i < size; i++ {
sum += i
}
for {
n := <-c
if n == 0 {
break
}
sum -= n
}
assert.Must(t, sum == 0)
}
func testPipe4(t *testing.T, fileName string) {
r, w := openPipe(t, fileName)
key := []byte("spinlock aes-128")
block := aes.BlockSize
count := 1024 * 1024 * 128 / block
go func() {
buf := make([]byte, count*block)
m, err := aes.NewCipher(key)
assert.ErrorIsNil(t, err)
for i := 0; i < len(buf); i++ {
buf[i] = byte(i)
}
e := cipher.NewCBCEncrypter(m, make([]byte, block))
e.CryptBlocks(buf, buf)
n, err := ioutils.WriteFull(w, buf)
assert.ErrorIsNil(t, err)
assert.ErrorIsNil(t, w.Close())
assert.Must(t, n == len(buf))
}()
buf := make([]byte, count*block)
m, err := aes.NewCipher(key)
assert.ErrorIsNil(t, err)
_, err = ioutils.ReadFull(r, buf)
assert.ErrorIsNil(t, err)
e := cipher.NewCBCDecrypter(m, make([]byte, block))
e.CryptBlocks(buf, buf)
for i := 0; i < len(buf); i++ {
assert.Must(t, buf[i] == byte(i))
}
_, err = ioutils.ReadFull(r, buf)
assert.Must(t, errors.Equal(err, io.EOF))
assert.ErrorIsNil(t, r.Close())
}
func TestPipeWriteClose(t *testing.T) {
for _, u := range pipeTests {
r, w := Pipe()
c := make(chan int, 1)
if u.async {
go delayClose(t, r, c, u)
} else {
delayClose(t, r, c, u)
}
<-c
n, err := ioutils.WriteFull(w, []byte("hello, world"))
expect := u.err
if expect == nil {
expect = io.ErrClosedPipe
}
assert.Must(t, errors.Equal(err, expect))
assert.Must(t, n == 0)
assert.ErrorIsNil(t, w.Close())
}
}
func TestPipeReadClose(t *testing.T) {
for _, u := range pipeTests {
r, w := Pipe()
c := make(chan int, 1)
if u.async {
go delayClose(t, w, c, u)
} else {
delayClose(t, w, c, u)
}
buf := make([]byte, 64)
n, err := r.Read(buf)
<-c
expect := u.err
if expect == nil {
expect = io.EOF
}
assert.Must(t, errors.Equal(err, expect))
assert.Must(t, n == 0)
assert.ErrorIsNil(t, r.Close())
}
}