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package goctl
import (
"io/ioutil"
"log"
"net"
"os"
"reflect"
"testing"
)
type testHandler struct {
name string
fn func(*Goctl, []string) string
}
func makeHandler(name string, fn func(_ *Goctl, _ []string) string) testHandler {
return testHandler{name: name, fn: fn}
}
func (th testHandler) Name() string {
return th.name
}
func (th testHandler) Run(gc *Goctl, args []string) string {
return th.fn(gc, args)
}
var sockpath string
func init() {
f, err := ioutil.TempFile("", "goctl-test")
if err != nil {
log.Fatalf("Couldn't create temporary file: %s.", err)
}
sockpath = f.Name()
if err := os.Remove(sockpath); err != nil {
log.Fatalf("Couldn't delete temporary file '%s': %s.", sockpath, err)
}
}
func start(t testing.TB) *Goctl {
gc := NewGoctl(sockpath)
if err := gc.Start(); err != nil {
t.Fatalf("Couldn't start: %s.", err)
}
return &gc
}
func dial(t testing.TB) net.Conn {
c, err := net.Dial("unix", sockpath)
if err != nil {
t.Fatalf("Couldn't open %s: %s.", sockpath, err)
}
return c
}
func TestPing(t *testing.T) {
gc := start(t)
defer gc.Stop()
c := dial(t)
defer c.Close()
buf := []byte("ping")
Write(c, buf)
buf, err := Read(c)
if err != nil {
t.Fatalf("Couldn't read from socket: %s.", err)
}
s := string(buf)
if s != "pong" {
t.Errorf("Sending ping: got '%s', expected 'pong'.", s)
}
}
func TestAlreadyRunning(t *testing.T) {
gc := start(t)
defer gc.Stop()
bar := NewGoctl(sockpath)
if bar.Start() == nil {
t.Errorf("Started bot when already running.")
}
defer bar.Stop()
}
func TestSimulCommands(t *testing.T) {
gc := start(t)
defer gc.Stop()
c0 := dial(t)
defer c0.Close()
c1 := dial(t)
defer c1.Close()
Write(c0, []byte("ping"))
Write(c1, []byte("ping"))
if buf, err := Read(c0); err != nil {
t.Errorf("Couldn't read from first connection: %s.", err)
} else if string(buf) != "pong" {
t.Fatalf("Sending ping on first connection: got '%s', expected 'pong'.", string(buf))
}
if buf, err := Read(c1); err != nil {
t.Fatalf("Couldn't read from second connection: %s.", err)
} else if string(buf) != "pong" {
t.Fatalf("Sending ping on second connection: got '%s', expected 'pong'.", string(buf))
}
}
func TestAddHandler(t *testing.T) {
gc := start(t)
defer gc.Stop()
gc.AddHandler(makeHandler("foo", func(innerGC *Goctl, args []string) string {
if innerGC != gc {
t.Errorf("Goctl object not passed into handler properly (got: %p, want: %p).", innerGC, gc)
}
if !reflect.DeepEqual(args, []string{"bar", "baz"}) {
t.Errorf("Got %v, expected ['bar', 'baz']", args)
}
return "bar baz"
}))
c := dial(t)
defer c.Close()
Write(c, []byte("foo\u0000bar\u0000baz"))
if buf, err := Read(c); err != nil {
t.Errorf("Couldn't read from connection: %s.", err)
} else if string(buf) != "bar baz" {
t.Errorf("Got: %s, expected 'bar baz'")
}
}
func TestAddHandlers(t *testing.T) {
gc := start(t)
defer gc.Stop()
gc.AddHandlers([]Handler{
makeHandler("foo", func(_ *Goctl, args []string) string {
if !reflect.DeepEqual(args, []string{"bar", "baz"}) {
t.Errorf("Got %v, expected ['bar', 'baz']", args)
}
return ""
}),
makeHandler("bar", func(_ *Goctl, args []string) string {
if !reflect.DeepEqual(args, []string{"baz", "pham"}) {
t.Errorf("Got %v, expected ['baz', 'pham']", args)
}
return "wauug"
}),
})
c := dial(t)
defer c.Close()
Write(c, []byte("foo\u0000bar\u0000baz"))
Write(c, []byte("bar\u0000baz\u0000pham"))
if buf, err := Read(c); err != nil {
t.Errorf("Couldn't read from connection: %s.", err)
} else if string(buf) != "" {
t.Errorf("Got: %s, expected ''", string(buf))
}
if buf, err := Read(c); err != nil {
t.Errorf("Couldn't read from connection: %s.", err)
} else if string(buf) != "wauug" {
t.Errorf("Got: %s, expected 'wauug'", string(buf))
}
}
func TestCannotOverrideExtantHandlers(t *testing.T) {
gc := start(t)
defer gc.Stop()
err := gc.AddHandler(makeHandler("ping", func(_ *Goctl, args []string) string {
return "gnip"
}))
if err != HandlerExists {
t.Error("Was able to override built-in ping handler.")
}
err = gc.AddHandlers([]Handler{
makeHandler("foo", func(_ *Goctl, args []string) string { return "foo" }),
makeHandler("foo", func(_ *Goctl, args []string) string { return "foo" }),
})
if err != HandlerExists {
t.Error("Was able to assign two handlers for 'foo'.")
}
}
func BenchmarkStartStop(b *testing.B) {
gc := NewGoctl(sockpath)
for i := 0; i < b.N; i++ {
gc.Start()
gc.Stop()
}
}
func BenchmarkPing(b *testing.B) {
gc := start(b)
defer gc.Stop()
c := dial(b)
defer c.Close()
for i := 0; i < b.N; i++ {
Write(c, []byte("ping"))
Read(c)
}
}
|
