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|
package xenstoreclient
import (
"bytes"
"fmt"
"io"
"testing"
"time"
)
type mockFile struct {
r io.Reader
w io.Writer
watchKeys map[string]struct{}
t *testing.T
}
func NewMockFile(t *testing.T) io.ReadWriteCloser {
var b bytes.Buffer
return &mockFile{
r: &b,
w: &b,
t: t,
watchKeys: make(map[string]struct{}),
}
}
func (f *mockFile) Read(p []byte) (n int, err error) {
for i := 0; i < 1; i++ {
n, err = f.r.Read(p)
if err == io.EOF {
fmt.Printf("Read sleep %#v second\n", i)
time.Sleep(1 * time.Second)
} else {
fmt.Printf("Read=%#v err %#v\n", n, err)
return
}
}
return 0, io.EOF
}
func (f *mockFile) Write(b []byte) (n int, err error) {
n, err = f.w.Write(b)
fmt.Printf("Write=%#v err %#v\n", n, err)
return
}
func (f *mockFile) Close() error {
f.t.Logf("Close()")
return nil
}
func TestXenStore(t *testing.T) {
xs, err := newXenstore(0, NewMockFile(t))
if err != nil {
t.Errorf("newXenstore error: %#v\n", err)
}
defer xs.Close()
if err := xs.Write("foo", "bar"); err != nil {
t.Errorf("xs.Write error: %#v\n", err)
}
if _, err := xs.Read("foo"); err != nil {
t.Errorf("xs.Read error: %#v\n", err)
}
}
func TestXenStoreWatch2(t *testing.T) {
xs, err := newXenstore(0, NewMockFile(t))
if err != nil {
t.Errorf("newXenstore error: %#v\n", err)
}
defer xs.Close()
go func() {
time.Sleep(5 * time.Second)
if err := xs.StopWatch(); err != nil {
t.Errorf("xs.StopWatch error: %#v\n", err)
}
}()
go func() {
for i := 0; i < 5; i++ {
xs.Write("foo", "bar")
time.Sleep(1 * time.Second)
}
}()
err = xs.Watch("foo", "test")
if err != nil {
t.Errorf("xs.Watch(\"foo\") error: %#v\n", err)
}
time.Sleep(6 * time.Second)
}
|
