| OLD | NEW |
|---|
| (Empty) |
| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 package memory | |
| 6 | |
| 7 import ( | |
| 8 "infra/gae/libs/wrapper" | |
| 9 "infra/gae/libs/wrapper/unsafe" | |
| 10 "infra/libs/clock/testclock" | |
| 11 "testing" | |
| 12 "time" | |
| 13 | |
| 14 . "github.com/smartystreets/goconvey/convey" | |
| 15 "golang.org/x/net/context" | |
| 16 | |
| 17 "appengine/memcache" | |
| 18 ) | |
| 19 | |
| 20 func TestMemcache(t *testing.T) { | |
| 21 t.Parallel() | |
| 22 | |
| 23 Convey("memcache", t, func() { | |
| 24 now := time.Date(2015, 1, 1, 0, 0, 0, 0, time.UTC) | |
| 25 c, tc := testclock.UseTime(context.Background(), now) | |
| 26 c = Use(c) | |
| 27 mc := wrapper.GetMC(c) | |
| 28 mci := wrapper.GetMC(c).(*memcacheImpl) | |
| 29 So(mc, ShouldNotEqual, mci) // two impls with the same memcacheD
ata | |
| 30 | |
| 31 Convey("implements MCSingleReadWriter", func() { | |
| 32 Convey("Add", func() { | |
| 33 itm := &memcache.Item{ | |
| 34 Key: "sup", | |
| 35 Value: []byte("cool"), | |
| 36 Expiration: time.Second, | |
| 37 } | |
| 38 err := mc.Add(itm) | |
| 39 So(err, ShouldBeNil) | |
| 40 Convey("which rejects objects already there", fu
nc() { | |
| 41 err := mc.Add(itm) | |
| 42 So(err, ShouldEqual, memcache.ErrNotStor
ed) | |
| 43 }) | |
| 44 | |
| 45 Convey("which can be broken intentionally", func
() { | |
| 46 mci.BreakFeatures(nil, "Add") | |
| 47 err := mc.Add(itm) | |
| 48 So(err, ShouldEqual, memcache.ErrServerE
rror) | |
| 49 }) | |
| 50 }) | |
| 51 | |
| 52 Convey("Get", func() { | |
| 53 itm := &memcache.Item{ | |
| 54 Key: "sup", | |
| 55 Value: []byte("cool"), | |
| 56 Expiration: time.Second, | |
| 57 } | |
| 58 err := mc.Add(itm) | |
| 59 So(err, ShouldBeNil) | |
| 60 | |
| 61 testItem := &memcache.Item{ | |
| 62 Key: "sup", | |
| 63 Value: []byte("cool"), | |
| 64 } | |
| 65 unsafe.MCSetCasID(testItem, 1) | |
| 66 i, err := mc.Get("sup") | |
| 67 So(err, ShouldBeNil) | |
| 68 So(i, ShouldResemble, testItem) | |
| 69 | |
| 70 Convey("which can expire", func() { | |
| 71 tc.Add(time.Second * 4) | |
| 72 i, err := mc.Get("sup") | |
| 73 So(err, ShouldEqual, memcache.ErrCacheMi
ss) | |
| 74 So(i, ShouldBeNil) | |
| 75 }) | |
| 76 | |
| 77 Convey("which can be broken intentionally", func
() { | |
| 78 mci.BreakFeatures(nil, "Get") | |
| 79 _, err := mc.Get("sup") | |
| 80 So(err, ShouldEqual, memcache.ErrServerE
rror) | |
| 81 }) | |
| 82 }) | |
| 83 | |
| 84 Convey("Delete", func() { | |
| 85 Convey("works if it's there", func() { | |
| 86 itm := &memcache.Item{ | |
| 87 Key: "sup", | |
| 88 Value: []byte("cool"), | |
| 89 Expiration: time.Second, | |
| 90 } | |
| 91 err := mc.Add(itm) | |
| 92 So(err, ShouldBeNil) | |
| 93 | |
| 94 err = mc.Delete("sup") | |
| 95 So(err, ShouldBeNil) | |
| 96 | |
| 97 i, err := mc.Get("sup") | |
| 98 So(err, ShouldEqual, memcache.ErrCacheMi
ss) | |
| 99 So(i, ShouldBeNil) | |
| 100 }) | |
| 101 | |
| 102 Convey("but not if it's not there", func() { | |
| 103 err := mc.Delete("sup") | |
| 104 So(err, ShouldEqual, memcache.ErrCacheMi
ss) | |
| 105 }) | |
| 106 | |
| 107 Convey("and can be broken", func() { | |
| 108 mci.BreakFeatures(nil, "Delete") | |
| 109 err := mc.Delete("sup") | |
| 110 So(err, ShouldEqual, memcache.ErrServerE
rror) | |
| 111 }) | |
| 112 }) | |
| 113 | |
| 114 Convey("Set", func() { | |
| 115 itm := &memcache.Item{ | |
| 116 Key: "sup", | |
| 117 Value: []byte("cool"), | |
| 118 Expiration: time.Second, | |
| 119 } | |
| 120 err := mc.Add(itm) | |
| 121 So(err, ShouldBeNil) | |
| 122 | |
| 123 itm.Value = []byte("newp") | |
| 124 err = mc.Set(itm) | |
| 125 So(err, ShouldBeNil) | |
| 126 | |
| 127 testItem := &memcache.Item{ | |
| 128 Key: "sup", | |
| 129 Value: []byte("newp"), | |
| 130 } | |
| 131 unsafe.MCSetCasID(testItem, 2) | |
| 132 i, err := mc.Get("sup") | |
| 133 So(err, ShouldBeNil) | |
| 134 So(i, ShouldResemble, testItem) | |
| 135 | |
| 136 Convey("and can be broken", func() { | |
| 137 mci.BreakFeatures(nil, "Set") | |
| 138 err := mc.Set(itm) | |
| 139 So(err, ShouldEqual, memcache.ErrServerE
rror) | |
| 140 }) | |
| 141 }) | |
| 142 | |
| 143 Convey("CompareAndSwap", func() { | |
| 144 itm := &memcache.Item{ | |
| 145 Key: "sup", | |
| 146 Value: []byte("cool"), | |
| 147 Expiration: time.Second * 2, | |
| 148 } | |
| 149 err := mc.Add(itm) | |
| 150 So(err, ShouldBeNil) | |
| 151 | |
| 152 Convey("works after a Get", func() { | |
| 153 itm, err = mc.Get("sup") | |
| 154 So(err, ShouldBeNil) | |
| 155 So(unsafe.MCGetCasID(itm), ShouldEqual,
1) | |
| 156 | |
| 157 itm.Value = []byte("newp") | |
| 158 err = mc.CompareAndSwap(itm) | |
| 159 So(err, ShouldBeNil) | |
| 160 }) | |
| 161 | |
| 162 Convey("but fails if you don't", func() { | |
| 163 itm.Value = []byte("newp") | |
| 164 err = mc.CompareAndSwap(itm) | |
| 165 So(err, ShouldEqual, memcache.ErrCASConf
lict) | |
| 166 }) | |
| 167 | |
| 168 Convey("and fails if the item is expired/gone",
func() { | |
| 169 tc.Add(3 * time.Second) | |
| 170 itm.Value = []byte("newp") | |
| 171 err = mc.CompareAndSwap(itm) | |
| 172 So(err, ShouldEqual, memcache.ErrNotStor
ed) | |
| 173 }) | |
| 174 | |
| 175 Convey("and can be broken", func() { | |
| 176 mci.BreakFeatures(nil, "CompareAndSwap") | |
| 177 err = mc.CompareAndSwap(itm) | |
| 178 So(err, ShouldEqual, memcache.ErrServerE
rror) | |
| 179 }) | |
| 180 }) | |
| 181 }) | |
| 182 | |
| 183 Convey("check that the internal implementation is sane", func()
{ | |
| 184 curTime := now | |
| 185 err := mc.Add(&memcache.Item{ | |
| 186 Key: "sup", | |
| 187 Value: []byte("cool"), | |
| 188 Expiration: time.Second * 2, | |
| 189 }) | |
| 190 | |
| 191 So(err, ShouldBeNil) | |
| 192 So(len(mci.data.items), ShouldEqual, 1) | |
| 193 So(mci.data.casID, ShouldEqual, 1) | |
| 194 So(mci.data.items["sup"], ShouldResemble, &unsafe.Item{ | |
| 195 Key: "sup", | |
| 196 Value: []byte("cool"), | |
| 197 CasID: 1, | |
| 198 Expiration: time.Duration(curTime.Add(time.Secon
d * 2).UnixNano()), | |
| 199 }) | |
| 200 | |
| 201 el, err := mc.Get("sup") | |
| 202 So(err, ShouldBeNil) | |
| 203 So(len(mci.data.items), ShouldEqual, 1) | |
| 204 So(mci.data.casID, ShouldEqual, 1) | |
| 205 | |
| 206 testItem := &memcache.Item{ | |
| 207 Key: "sup", | |
| 208 Value: []byte("cool"), | |
| 209 } | |
| 210 unsafe.MCSetCasID(testItem, 1) | |
| 211 So(el, ShouldResemble, testItem) | |
| 212 }) | |
| 213 | |
| 214 }) | |
| 215 } | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 1240573002:
Reland: Refactor current GAE abstraction library to be free of the SDK* (Closed)
Base URL: https://chromium.googlesource.com/infra/infra.git@master