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package rpcplugin
import (
"context"
"io/ioutil"
"os"
"os/exec"
"path/filepath"
"testing"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func compileGo(t *testing.T, sourceCode, outputPath string) {
dir, err := ioutil.TempDir(".", "")
require.NoError(t, err)
defer os.RemoveAll(dir)
require.NoError(t, ioutil.WriteFile(filepath.Join(dir, "main.go"), []byte(sourceCode), 0600))
cmd := exec.Command("go", "build", "-o", outputPath, "main.go")
cmd.Dir = dir
cmd.Stdout = os.Stdout
cmd.Stderr = os.Stderr
require.NoError(t, cmd.Run())
}
func TestProcess(t *testing.T) {
dir, err := ioutil.TempDir("", "")
require.NoError(t, err)
defer os.RemoveAll(dir)
ping := filepath.Join(dir, "ping.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")
}
}
`, ping)
p, ipc, err := NewProcess(context.Background(), ping)
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]))
require.NoError(t, p.Wait())
}
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