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package rpcplugin
import (
"context"
"io/ioutil"
"os"
"path/filepath"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestIPC(t *testing.T) {
dir, err := ioutil.TempDir("", "")
require.NoError(t, err)
defer os.RemoveAll(dir)
pingpong := filepath.Join(dir, "pingpong.exe")
compileGo(t, `
package main
import (
"log"
"github.com/mattermost/mattermost-server/plugin/rpcplugin"
)
func main() {
ipc, err := rpcplugin.InheritedProcessIPC()
if err != nil {
log.Fatal("unable to get inherited ipc")
}
defer ipc.Close()
_, err = ipc.Write([]byte("ping"))
if err != nil {
log.Fatal("unable to write to ipc")
}
b := make([]byte, 10)
n, err := ipc.Read(b)
if err != nil {
log.Fatal("unable to read from ipc")
}
if n != 4 || string(b[:4]) != "pong" {
log.Fatal("unexpected response")
}
}
`, pingpong)
p, ipc, err := NewProcess(context.Background(), pingpong)
require.NoError(t, err)
defer ipc.Close()
b := make([]byte, 10)
n, err := ipc.Read(b)
require.NoError(t, err)
assert.Equal(t, 4, n)
assert.Equal(t, "ping", string(b[:4]))
_, err = ipc.Write([]byte("pong"))
require.NoError(t, err)
require.NoError(t, p.Wait())
}
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