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GeezerVison is showing github.com — kite/kite_test.go at master · koding/kite Expand file tree/ Copy pathkite_test.goMore file actions 544 lines (433 loc) · 11.6 KB / Copy pathkite_test.goFile metadata and controls544 lines (433 loc) · 11.6 KB 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 package kite import ( "errors" "flag" "fmt" "math" "math/rand" "os" "reflect" "strconv" "sync" "testing" "time" "github.com/koding/kite/config" "github.com/koding/kite/dnode" "github.com/koding/kite/protocol" "github.com/koding/kite/sockjsclient" _ "github.com/koding/kite/testutil" "github.com/igm/sockjs-go/sockjs" ) var timeout = flag.Duration("telltime", 4*time.Second, "Timeout for kite calls.") func init() { rand.Seed(time.Now().Unix() + int64(os.Getpid())) } func panicHandler(*Client) { panic("this panic should be ignored") } func panicRegisterHandler(*protocol.RegisterResult) { panic("this panic should be ignored") } func transportFromEnv() config.Transport { env := os.Getenv("KITE_TRANSPORT") tr, ok := config.Transports[env] if env != "" && !ok { panic(fmt.Errorf("transport %q doesn't exists", env)) } return tr } func TestContext(t *testing.T) { flag.Parse() ch := make(chan int, 4) // checkpoints, to ensure correct control flow k := New("server", "0.0.1") k.Config.DisableAuthentication = true k.Config.Port = 3333 k.Config.Transport = transportFromEnv() k.HandleFunc("longrunning", func(r *Request) (interface{}, error) { ch <- 2 go func() { <-r.Context.Done() ch <- 4 }() return nil, nil }) go k.Run() <-k.ServerReadyNotify() defer k.Close() c := New("client", "0.0.1").NewClient("http://127.0.0.1:3333/kite") if err := c.Dial(); err != nil { t.Fatalf("Dial()=%s", err) } ch <- 1 if _, err := c.TellWithTimeout("longrunning", *timeout); err != nil { t.Fatalf("TellWithTimeout()=%s", err) } ch <- 3 c.Close() var got []int want := []int{1, 2, 3, 4} timeout := time.After(2 * time.Second) for len(got) != len(want) { select { case i := <-ch: got = append(got, i) case <-timeout: t.Fatal("timed out collecting checkpoints") } } if !reflect.DeepEqual(got, want) { t.Fatalf("got %v, want %v", got, want) } } func TestMultiple(t *testing.T) { testDuration := time.Second * 10 // number of available mathworker kites to be called kiteNumber := 3 // number of exp kites that will call mathwork kites clientNumber := 3 // ports are starting from 6000 up to 6000 + kiteNumber port := 6000 transport := transportFromEnv() for i := 0; i < kiteNumber; i++ { m := New("mathworker"+strconv.Itoa(i), "0.1."+strconv.Itoa(i)) m.Config.DisableAuthentication = true m.Config.Transport = transport m.Config.Port = port + i m.OnConnect(panicHandler) m.OnRegister(panicRegisterHandler) m.OnDisconnect(panicHandler) m.OnFirstRequest(panicHandler) m.HandleFunc("square", Square) go m.Run() <-m.ServerReadyNotify() defer m.Close() } clients := make([]*Client, clientNumber) for i := 0; i < clientNumber; i++ { cn := New("exp"+strconv.Itoa(i), "0.0.1") cn.Config.Transport = transport c := cn.NewClient("http://127.0.0.1:" + strconv.Itoa(port+i) + "/kite") if err := c.Dial(); err != nil { t.Fatal(err) } clients[i] = c defer c.Close() } timeout := time.After(testDuration) // every one second for { select { case <-time.Tick(time.Second): var wg sync.WaitGroup for i := 0; i < clientNumber; i++ { wg.Add(1) go func(i int, t *testing.T) { defer wg.Done() time.Sleep(time.Millisecond * time.Duration(rand.Intn(500))) _, err := clients[i].TellWithTimeout("square", 4*time.Second, 2) if err != nil { t.Error(err) } }(i, t) } wg.Wait() case <-timeout: return } } } func TestSendError(t *testing.T) { const timeout = 5 * time.Second ksrv := newXhrKite("echo-server", "0.0.1") ksrv.Config.DisableAuthentication = true ksrv.HandleFunc("echo", func(r *Request) (interface{}, error) { return r.Args.One().MustString(), nil }) go ksrv.Run() <-ksrv.ServerReadyNotify() defer ksrv.Close() clientSession := make(chan sockjs.Session, 1) kcli := newXhrKite("echo-client", "0.0.1") kcli.Config.DisableAuthentication = true c := kcli.NewClient(fmt.Sprintf("http://127.0.0.1:%d/kite", ksrv.Port())) c.testHookSetSession = func(s sockjs.Session) { if _, ok := s.(*sockjsclient.XHRSession); ok { clientSession <- s } } if err := c.DialTimeout(timeout); err != nil { t.Fatalf("DialTimeout()=%s", err) } select { case <-time.After(timeout): t.Fatal("timed out waiting for session") case c := <-clientSession: c.Close(500, "transport closed") } done := make(chan error) go func() { _, err := c.Tell("echo", "should fail") done <- err }() select { case err := <-done: if err == nil { t.Error("expected err != nil, was nil") } case <-time.After(timeout): t.Fatal("timed out waiting for send failure") } } // Call a single method with multiple clients. This test is implemented to be // sure the method is calling back with in the same time and not timing out. func TestConcurrency(t *testing.T) { // Create a mathworker kite mathKite := newXhrKite("mathworker", "0.0.1") mathKite.Config.DisableAuthentication = true mathKite.Config.Port = 3637 mathKite.HandleFunc("ping", func(r *Request) (interface{}, error) { time.Sleep(time.Second) return "pong", nil }) go mathKite.Run() <-mathKite.ServerReadyNotify() defer mathKite.Close() // number of exp kites that will call mathworker kite clientNumber := 3 clients := make([]*Client, clientNumber) for i := range clients { c := newXhrKite("exp", "0.0.1").NewClient("http://127.0.0.1:3637/kite") if err := c.Dial(); err != nil { t.Fatal(err) } clients[i] = c defer c.Close() } var wg sync.WaitGroup for i := range clients { wg.Add(1) go func(i int) { defer wg.Done() result, err := clients[i].TellWithTimeout("ping", 4*time.Second) if err != nil { t.Fatal(err) } if result.MustString() != "pong" { t.Errorf("Got %s want: pong", result.MustString()) } }(i) } wg.Wait() } func TestNoConcurrentCallbacks(t *testing.T) { const timeout = 2 * time.Second type Callback struct { Index int Func dnode.Function } k := newXhrKite("callback", "0.0.1") k.Config.DisableAuthentication = true k.HandleFunc("call", func(r *Request) (interface{}, error) { if r.Args == nil { return nil, errors.New("empty argument") } var arg Callback if err := r.Args.One().Unmarshal(&arg); err != nil { return nil, err } if !arg.Func.IsValid() { return nil, errors.New("invalid argument") } if err := arg.Func.Call(arg.Index); err != nil { return nil, err } return true, nil }) go k.Run() <-k.ServerReadyNotify() defer k.Close() url := fmt.Sprintf("http://127.0.0.1:%d/kite", k.Port()) c := k.NewClient(url) defer c.Close() // The TestNoConcurrentCallbacks asserts ConcurrentCallbacks // are disabled by default for each new client. // // When callbacks are executed concurrently, the order // of indices received on the channel is random, // thus making this test to fail. // // c.ConcurrentCallbacks = true if err := c.DialTimeout(timeout); err != nil { t.Errorf("DialTimeout(%q)=%s", url, err) } indices := make(chan int, 50) callback := dnode.Callback(func(arg *dnode.Partial) { var index int if err := arg.One().Unmarshal(&index); err != nil { t.Logf("failed to unmarshal: %s", err) } time.Sleep(time.Duration(rand.Int31n(100)) * time.Millisecond) indices <- index }) for i := 0; i < cap(indices); i++ { arg := &Callback{ Index: i + 1, Func: callback, } if _, err := c.TellWithTimeout("call", timeout, arg); err != nil { t.Fatalf("%d: TellWithTimeout()=%s", i, err) } } var n, lastIndex int for { if n == cap(indices) { // All indices were read. break } select { case <-time.After(timeout): t.Fatalf("reading indices has timed out after %s (n=%d)", timeout, n) case index := <-indices: if index == 0 { t.Fatalf("invalid index=%d (n=%d)", index, n) } if index <= lastIndex { t.Fatalf("expected to receive indices in ascending order; received %d, last index %d (n=%d)", index, lastIndex, n) } lastIndex = index n++ } } } // Test 2 way communication between kites. func TestKite(t *testing.T) { // Create a mathworker kite mathKite := newXhrKite("mathworker", "0.0.1") mathKite.Config.DisableAuthentication = true mathKite.Config.Port = 3636 mathKite.HandleFunc("square", Square) mathKite.HandleFunc("squareCB", SquareCB) mathKite.HandleFunc("sleep", Sleep) mathKite.HandleFunc("sqrt", Sqrt) mathKite.FinalFunc(func(r *Request, resp interface{}, err error) (interface{}, error) { if r.Method != "sqrt" || err != ErrNegative { return resp, err } a := r.Args.One().MustFloat64() // JSON does not marshal complex128, // for test purpose we use just string return fmt.Sprintf("%di", int(math.Sqrt(-a)+0.5)), nil }) go mathKite.Run() <-mathKite.ServerReadyNotify() defer mathKite.Close() // Create exp2 kite exp2Kite := newXhrKite("exp2", "0.0.1") fooChan := make(chan string) exp2Kite.HandleFunc("foo", func(r *Request) (interface{}, error) { s := r.Args.One().MustString() t.Logf("Message received: %s\n", s) fooChan <- s return nil, nil }) // exp2 connects to mathworker remote := exp2Kite.NewClient("http://127.0.0.1:3636/kite") err := remote.Dial() if err != nil { t.Fatal(err) } defer remote.Close() result, err := remote.TellWithTimeout("sqrt", 4*time.Second, -4) if err != nil { t.Fatal(err) } if s, err := result.String(); err != nil || s != "2i" { t.Fatalf("want 2i, got %v (%v)", result, err) } result, err = remote.TellWithTimeout("square", 4*time.Second, 2) if err != nil { t.Fatal(err) } number := result.MustFloat64() t.Logf("rpc result: %f\n", number) if number != 4 { t.Fatalf("Invalid result: %f", number) } select { case s := <-fooChan: if s != "bar" { t.Fatalf("Invalid message: %s", s) } case <-time.After(100 * time.Millisecond): t.Fatal("Did not get the message") } resultChan := make(chan float64, 1) resultCallback := func(args *dnode.Partial) { n := args.One().MustFloat64() resultChan <- n } result, err = remote.TellWithTimeout("squareCB", 4*time.Second, 3, dnode.Callback(resultCallback)) if err != nil { t.Fatal(err) } select { case n := <-resultChan: if n != 9.0 { t.Fatalf("Unexpected result: %f", n) } case <-time.After(100 * time.Millisecond): t.Fatal("Did not get the message") } result, err = remote.TellWithTimeout("sleep", time.Second) if err == nil { t.Fatal("Did get message in 1 seconds, however the sleep method takes 2 seconds to response") } result, err = remote.Tell("sleep") if err != nil { t.Fatal(err) } if !result.MustBool() { t.Fatal("sleep result must be true") } } // Sleeps for 2 seconds and returns true func Sleep(r *Request) (interface{}, error) { time.Sleep(time.Second * 2) return true, nil } // Returns the result. Also tests reverse call. func Square(r *Request) (interface{}, error) { a := r.Args.One().MustFloat64() result := a * a r.LocalKite.Log.Info("Kite call, sending result '%f' back\n", result) // Reverse method call r.Client.Go("foo", "bar") return result, nil } var ErrNegative = errors.New("negative argument") func Sqrt(r *Request) (interface{}, error) { a := r.Args.One().MustFloat64() if a < 0 { return nil, ErrNegative } return math.Sqrt(a), nil } // Calls the callback with the result. For testing requests with Callback. func SquareCB(r *Request) (interface{}, error) { args := r.Args.MustSliceOfLength(2) a := args[0].MustFloat64() cb := args[1].MustFunction() result := a * a r.LocalKite.Log.Info("Kite call, sending result '%f' back\n", result) // Send the result. err := cb.Call(result) if err != nil { return nil, err } return nil, nil } func newXhrKite(name, version string) *Kite { k := New(name, version) k.Config.Transport = config.XHRPolling return k } |
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