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package uploadreader
import (
"bytes"
"errors"
"io"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestUploadReader(t *testing.T) {
// This is a smoke test in a single goroutine, without really testing the locking.
data := bytes.Repeat([]byte{0x01}, 65535)
// No termination
ur := NewUploadReader(bytes.NewReader(data))
read, err := io.ReadAll(ur)
require.NoError(t, err)
assert.Equal(t, data, read)
// Terminated
ur = NewUploadReader(bytes.NewReader(data))
readLen := len(data) / 2
read, err = io.ReadAll(io.LimitReader(ur, int64(readLen)))
require.NoError(t, err)
assert.Equal(t, data[:readLen], read)
terminationErr := errors.New("Terminated")
ur.Terminate(terminationErr)
read, err = io.ReadAll(ur)
assert.Equal(t, terminationErr, err)
assert.Len(t, read, 0)
}
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