Add vendor folder to git

vendor/k8s.io/apiserver/pkg/storage/util_test.go

@@ -0,0 +1,136 @@
+/*
+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 storage
+
+import (
+	"math/rand"
+	"sync"
+	"testing"
+)
+
+func TestEtcdParseWatchResourceVersion(t *testing.T) {
+	testCases := []struct {
+		Version       string
+		ExpectVersion uint64
+		Err           bool
+	}{
+		{Version: "", ExpectVersion: 0},
+		{Version: "a", Err: true},
+		{Version: " ", Err: true},
+		{Version: "1", ExpectVersion: 1},
+		{Version: "10", ExpectVersion: 10},
+	}
+	for _, testCase := range testCases {
+		version, err := ParseWatchResourceVersion(testCase.Version)
+		switch {
+		case testCase.Err:
+			if err == nil {
+				t.Errorf("%s: unexpected non-error", testCase.Version)
+				continue
+			}
+			if !IsInvalidError(err) {
+				t.Errorf("%s: unexpected error: %v", testCase.Version, err)
+				continue
+			}
+		case !testCase.Err && err != nil:
+			t.Errorf("%s: unexpected error: %v", testCase.Version, err)
+			continue
+		}
+		if version != testCase.ExpectVersion {
+			t.Errorf("%s: expected version %d but was %d", testCase.Version, testCase.ExpectVersion, version)
+		}
+	}
+}
+
+func TestHasPathPrefix(t *testing.T) {
+	validTestcases := []struct {
+		s      string
+		prefix string
+	}{
+		// Exact matches
+		{"", ""},
+		{"a", "a"},
+		{"a/", "a/"},
+		{"a/../", "a/../"},
+
+		// Path prefix matches
+		{"a/b", "a"},
+		{"a/b", "a/"},
+		{"中文/", "中文"},
+	}
+	for i, tc := range validTestcases {
+		if !hasPathPrefix(tc.s, tc.prefix) {
+			t.Errorf(`%d: Expected hasPathPrefix("%s","%s") to be true`, i, tc.s, tc.prefix)
+		}
+	}
+
+	invalidTestcases := []struct {
+		s      string
+		prefix string
+	}{
+		// Mismatch
+		{"a", "b"},
+
+		// Dir requirement
+		{"a", "a/"},
+
+		// Prefix mismatch
+		{"ns2", "ns"},
+		{"ns2", "ns/"},
+		{"中文文", "中文"},
+
+		// Ensure no normalization is applied
+		{"a/c/../b/", "a/b/"},
+		{"a/", "a/b/.."},
+	}
+	for i, tc := range invalidTestcases {
+		if hasPathPrefix(tc.s, tc.prefix) {
+			t.Errorf(`%d: Expected hasPathPrefix("%s","%s") to be false`, i, tc.s, tc.prefix)
+		}
+	}
+}
+
+func TestHighWaterMark(t *testing.T) {
+	var h HighWaterMark
+
+	for i := int64(10); i < 20; i++ {
+		if !h.Update(i) {
+			t.Errorf("unexpected false for %v", i)
+		}
+		if h.Update(i - 1) {
+			t.Errorf("unexpected true for %v", i-1)
+		}
+	}
+
+	m := int64(0)
+	wg := sync.WaitGroup{}
+	for i := 0; i < 300; i++ {
+		wg.Add(1)
+		v := rand.Int63()
+		go func(v int64) {
+			defer wg.Done()
+			h.Update(v)
+		}(v)
+		if v > m {
+			m = v
+		}
+	}
+	wg.Wait()
+	if m != int64(h) {
+		t.Errorf("unexpected value, wanted %v, got %v", m, int64(h))
+	}
+}