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package sideband64k_test
import (
"errors"
"io"
"testing"
"codeberg.org/lindenii/furgit/protocol/sideband64k"
)
func TestEncoderHandlesPartialWrites(t *testing.T) {
t.Parallel()
dst := &limitWriter{maxPerWrite: 2}
enc := sideband64k.NewEncoder(dst)
err := enc.WriteProgress([]byte("abc"))
if err != nil {
t.Fatalf("WriteProgress: %v", err)
}
err = enc.WriteFlushAndFlushIO()
if err != nil {
t.Fatalf("WriteFlushAndFlushIO: %v", err)
}
if got, want := dst.buf.String(), "0008\x02abc0000"; got != want {
t.Fatalf("got %q, want %q", got, want)
}
if dst.flushes != 1 {
t.Fatalf("flushes=%d, want 1", dst.flushes)
}
}
func TestEncoderReturnsShortWrite(t *testing.T) {
t.Parallel()
dst := &limitWriter{shortWrite: true}
enc := sideband64k.NewEncoder(dst)
err := enc.WriteData([]byte("x"))
if !errors.Is(err, io.ErrShortWrite) {
t.Fatalf("got err %v, want io.ErrShortWrite", err)
}
}
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