101 lines
2.3 KiB
Go

package pb
import (
"testing"
)
func TestPBProxyReader(t *testing.T) {
bar := new(ProgressBar)
if bar.GetBool(Bytes) {
t.Errorf("By default bytes must be false")
}
testReader := new(testReaderWriterCloser)
proxyReader := bar.NewProxyReader(testReader)
if !bar.GetBool(Bytes) {
t.Errorf("Bytes must be true after call NewProxyReader")
}
for i := 0; i < 10; i++ {
buf := make([]byte, 10)
n, e := proxyReader.Read(buf)
if e != nil {
t.Errorf("Proxy reader return err: %v", e)
}
if n != len(buf) {
t.Errorf("Proxy reader return unexpected N: %d (wand %d)", n, len(buf))
}
for _, b := range buf {
if b != 'f' {
t.Errorf("Unexpected read value: %v (want %v)", b, 'f')
}
}
if want := int64((i + 1) * len(buf)); bar.Current() != want {
t.Errorf("Unexpected bar current value: %d (want %d)", bar.Current(), want)
}
}
proxyReader.Close()
if !testReader.closed {
t.Errorf("Reader must be closed after call ProxyReader.Close")
}
proxyReader.Reader = nil
proxyReader.Close()
}
func TestPBProxyWriter(t *testing.T) {
bar := new(ProgressBar)
if bar.GetBool(Bytes) {
t.Errorf("By default bytes must be false")
}
testWriter := new(testReaderWriterCloser)
proxyReader := bar.NewProxyWriter(testWriter)
if !bar.GetBool(Bytes) {
t.Errorf("Bytes must be true after call NewProxyReader")
}
for i := 0; i < 10; i++ {
buf := make([]byte, 10)
n, e := proxyReader.Write(buf)
if e != nil {
t.Errorf("Proxy reader return err: %v", e)
}
if n != len(buf) {
t.Errorf("Proxy reader return unexpected N: %d (wand %d)", n, len(buf))
}
if want := int64((i + 1) * len(buf)); bar.Current() != want {
t.Errorf("Unexpected bar current value: %d (want %d)", bar.Current(), want)
}
}
proxyReader.Close()
if !testWriter.closed {
t.Errorf("Reader must be closed after call ProxyReader.Close")
}
proxyReader.Writer = nil
proxyReader.Close()
}
type testReaderWriterCloser struct {
closed bool
data []byte
}
func (tr *testReaderWriterCloser) Read(p []byte) (n int, err error) {
for i := range p {
p[i] = 'f'
}
return len(p), nil
}
func (tr *testReaderWriterCloser) Write(p []byte) (n int, err error) {
tr.data = append(tr.data, p...)
return len(p), nil
}
func (tr *testReaderWriterCloser) Close() (err error) {
tr.closed = true
return
}