forked from kubernetes/kubernetes
/
util_test.go
136 lines (121 loc) · 2.93 KB
/
util_test.go
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/*
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))
}
}