Add glide.yaml and vendor deps

vendor/k8s.io/kubernetes/pkg/util/keymutex/keymutex_test.go

@@ -0,0 +1,111 @@
+/*
+Copyright 2015 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package keymutex
+
+import (
+	"testing"
+	"time"
+)
+
+const (
+	callbackTimeout = 1 * time.Second
+)
+
+func Test_SingleLock_NoUnlock(t *testing.T) {
+	// Arrange
+	km := NewKeyMutex()
+	key := "fakeid"
+	callbackCh := make(chan interface{})
+
+	// Act
+	go lockAndCallback(km, key, callbackCh)
+
+	// Assert
+	verifyCallbackHappens(t, callbackCh)
+}
+
+func Test_SingleLock_SingleUnlock(t *testing.T) {
+	// Arrange
+	km := NewKeyMutex()
+	key := "fakeid"
+	callbackCh := make(chan interface{})
+
+	// Act & Assert
+	go lockAndCallback(km, key, callbackCh)
+	verifyCallbackHappens(t, callbackCh)
+	km.UnlockKey(key)
+}
+
+func Test_DoubleLock_DoubleUnlock(t *testing.T) {
+	// Arrange
+	km := NewKeyMutex()
+	key := "fakeid"
+	callbackCh1stLock := make(chan interface{})
+	callbackCh2ndLock := make(chan interface{})
+
+	// Act & Assert
+	go lockAndCallback(km, key, callbackCh1stLock)
+	verifyCallbackHappens(t, callbackCh1stLock)
+	go lockAndCallback(km, key, callbackCh2ndLock)
+	verifyCallbackDoesntHappens(t, callbackCh2ndLock)
+	km.UnlockKey(key)
+	verifyCallbackHappens(t, callbackCh2ndLock)
+	km.UnlockKey(key)
+}
+
+func lockAndCallback(km KeyMutex, id string, callbackCh chan<- interface{}) {
+	km.LockKey(id)
+	callbackCh <- true
+}
+
+func verifyCallbackHappens(t *testing.T, callbackCh <-chan interface{}) bool {
+	select {
+	case <-callbackCh:
+		return true
+	case <-time.After(callbackTimeout):
+		t.Fatalf("Timed out waiting for callback.")
+		return false
+	}
+}
+
+func verifyCallbackDoesntHappens(t *testing.T, callbackCh <-chan interface{}) bool {
+	select {
+	case <-callbackCh:
+		t.Fatalf("Unexpected callback.")
+		return false
+	case <-time.After(callbackTimeout):
+		return true
+	}
+}
+
+func verifyNoError(t *testing.T, err error, name string) {
+	if err != nil {
+		t.Fatalf("Unexpected response on %q. Expected: <no error> Actual: <%v>", name, err)
+	}
+}
+
+func verifyError(t *testing.T, err error, name string) {
+	if err == nil {
+		t.Fatalf("Unexpected response on %q. Expected: <error> Actual: <no error>", name)
+	}
+}
+
+func verifyMsg(t *testing.T, expected, actual string) {
+	if actual != expected {
+		t.Fatalf("Unexpected testMsg value. Expected: <%v> Actual: <%v>", expected, actual)
+	}
+}