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package plugin
import (
"bytes"
"io"
"sync"
"testing"
"time"
)
func TestClient_App(t *testing.T) {
client, _ := TestPluginRPCConn(t, map[string]Plugin{
"test": new(testInterfacePlugin),
}, nil)
defer client.Close()
raw, err := client.Dispense("test")
if err != nil {
t.Fatalf("err: %s", err)
}
impl, ok := raw.(testInterface)
if !ok {
t.Fatalf("bad: %#v", raw)
}
result := impl.Double(21)
if result != 42 {
t.Fatalf("bad: %#v", result)
}
}
func TestClient_syncStreams(t *testing.T) {
t.Skip("Disabled unreliable test")
// Create streams for the server that we can talk to
stdout_r, stdout_w := io.Pipe()
stderr_r, stderr_w := io.Pipe()
client, _ := TestPluginRPCConn(t, map[string]Plugin{}, &TestOptions{
ServerStdout: stdout_r,
ServerStderr: stderr_r,
})
// Start the data copying
var stdout_out, stderr_out safeBuffer
stdout := &safeBuffer{
b: bytes.NewBufferString("stdouttest"),
}
stderr := &safeBuffer{
b: bytes.NewBufferString("stderrtest"),
}
go client.SyncStreams(&stdout_out, &stderr_out)
go io.Copy(stdout_w, stdout)
go io.Copy(stderr_w, stderr)
// Unfortunately I can't think of a better way to make sure all the
// copies above go through so let's just exit.
time.Sleep(100 * time.Millisecond)
// Close everything, and lets test the result
client.Close()
stdout_w.Close()
stderr_w.Close()
if v := stdout_out.String(); v != "stdouttest" {
t.Fatalf("bad: %s", v)
}
if v := stderr_out.String(); v != "stderrtest" {
t.Fatalf("bad: %s", v)
}
}
type safeBuffer struct {
sync.Mutex
b *bytes.Buffer
}
func (s *safeBuffer) Write(p []byte) (n int, err error) {
s.Lock()
defer s.Unlock()
if s.b == nil {
s.b = new(bytes.Buffer)
}
return s.b.Write(p)
}
func (s *safeBuffer) Read(p []byte) (n int, err error) {
s.Lock()
defer s.Unlock()
if s.b == nil {
s.b = new(bytes.Buffer)
}
return s.b.Read(p)
}
func (s *safeBuffer) String() string {
s.Lock()
defer s.Unlock()
if s.b == nil {
s.b = new(bytes.Buffer)
}
return s.b.String()
}
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