137 lines
2.9 KiB
Go
137 lines
2.9 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package storage
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import (
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"math/rand"
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"sync"
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"testing"
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)
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func TestEtcdParseWatchResourceVersion(t *testing.T) {
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testCases := []struct {
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Version string
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ExpectVersion uint64
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Err bool
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}{
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{Version: "", ExpectVersion: 0},
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{Version: "a", Err: true},
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{Version: " ", Err: true},
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{Version: "1", ExpectVersion: 1},
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{Version: "10", ExpectVersion: 10},
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}
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for _, testCase := range testCases {
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version, err := ParseWatchResourceVersion(testCase.Version)
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switch {
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case testCase.Err:
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if err == nil {
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t.Errorf("%s: unexpected non-error", testCase.Version)
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continue
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}
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if !IsInvalidError(err) {
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t.Errorf("%s: unexpected error: %v", testCase.Version, err)
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continue
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}
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case !testCase.Err && err != nil:
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t.Errorf("%s: unexpected error: %v", testCase.Version, err)
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continue
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}
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if version != testCase.ExpectVersion {
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t.Errorf("%s: expected version %d but was %d", testCase.Version, testCase.ExpectVersion, version)
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}
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}
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}
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func TestHasPathPrefix(t *testing.T) {
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validTestcases := []struct {
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s string
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prefix string
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}{
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// Exact matches
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{"", ""},
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{"a", "a"},
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{"a/", "a/"},
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{"a/../", "a/../"},
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// Path prefix matches
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{"a/b", "a"},
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{"a/b", "a/"},
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{"中文/", "中文"},
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}
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for i, tc := range validTestcases {
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if !hasPathPrefix(tc.s, tc.prefix) {
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t.Errorf(`%d: Expected hasPathPrefix("%s","%s") to be true`, i, tc.s, tc.prefix)
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}
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}
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invalidTestcases := []struct {
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s string
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prefix string
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}{
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// Mismatch
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{"a", "b"},
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// Dir requirement
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{"a", "a/"},
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// Prefix mismatch
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{"ns2", "ns"},
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{"ns2", "ns/"},
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{"中文文", "中文"},
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// Ensure no normalization is applied
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{"a/c/../b/", "a/b/"},
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{"a/", "a/b/.."},
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}
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for i, tc := range invalidTestcases {
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if hasPathPrefix(tc.s, tc.prefix) {
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t.Errorf(`%d: Expected hasPathPrefix("%s","%s") to be false`, i, tc.s, tc.prefix)
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}
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}
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}
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func TestHighWaterMark(t *testing.T) {
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var h HighWaterMark
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for i := int64(10); i < 20; i++ {
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if !h.Update(i) {
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t.Errorf("unexpected false for %v", i)
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}
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if h.Update(i - 1) {
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t.Errorf("unexpected true for %v", i-1)
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}
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}
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m := int64(0)
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wg := sync.WaitGroup{}
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for i := 0; i < 300; i++ {
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wg.Add(1)
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v := rand.Int63()
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go func(v int64) {
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defer wg.Done()
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h.Update(v)
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}(v)
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if v > m {
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m = v
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}
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}
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wg.Wait()
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if m != int64(h) {
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t.Errorf("unexpected value, wanted %v, got %v", m, int64(h))
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}
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}
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