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Manuel de Brito Fontes 2018-05-26 11:27:53 -04:00 • committed by Manuel Alejandro de Brito Fontes
parent 15ffb51394
commit bb4d483837
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1621 changed files with 86368 additions and 284392 deletions
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18
vendor/github.com/golang/groupcache/.travis.yml generated vendored Normal file
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@ -0,0 +1,18 @@
language: go
go_import_path: github.com/golang/groupcache
os: linux
dist: trusty
sudo: false
script:
- go test ./...
go:
- 1.9.x
- 1.10.x
- master
cache:
directories:
- $GOPATH/pkg

147
vendor/github.com/golang/groupcache/byteview_test.go generated vendored
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@ -1,147 +0,0 @@
/*
Copyright 2012 Google Inc.
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 groupcache
import (
"bytes"
"fmt"
"io"
"io/ioutil"
"testing"
)
func TestByteView(t *testing.T) {
for _, s := range []string{"", "x", "yy"} {
for _, v := range []ByteView{of([]byte(s)), of(s)} {
name := fmt.Sprintf("string %q, view %+v", s, v)
if v.Len() != len(s) {
t.Errorf("%s: Len = %d; want %d", name, v.Len(), len(s))
}
if v.String() != s {
t.Errorf("%s: String = %q; want %q", name, v.String(), s)
}
var longDest [3]byte
if n := v.Copy(longDest[:]); n != len(s) {
t.Errorf("%s: long Copy = %d; want %d", name, n, len(s))
}
var shortDest [1]byte
if n := v.Copy(shortDest[:]); n != min(len(s), 1) {
t.Errorf("%s: short Copy = %d; want %d", name, n, min(len(s), 1))
}
if got, err := ioutil.ReadAll(v.Reader()); err != nil || string(got) != s {
t.Errorf("%s: Reader = %q, %v; want %q", name, got, err, s)
}
if got, err := ioutil.ReadAll(io.NewSectionReader(v, 0, int64(len(s)))); err != nil || string(got) != s {
t.Errorf("%s: SectionReader of ReaderAt = %q, %v; want %q", name, got, err, s)
}
var dest bytes.Buffer
if _, err := v.WriteTo(&dest); err != nil || !bytes.Equal(dest.Bytes(), []byte(s)) {
t.Errorf("%s: WriteTo = %q, %v; want %q", name, dest.Bytes(), err, s)
}
}
}
}
// of returns a byte view of the []byte or string in x.
func of(x interface{}) ByteView {
if bytes, ok := x.([]byte); ok {
return ByteView{b: bytes}
}
return ByteView{s: x.(string)}
}
func TestByteViewEqual(t *testing.T) {
tests := []struct {
a interface{} // string or []byte
b interface{} // string or []byte
want bool
}{
{"x", "x", true},
{"x", "y", false},
{"x", "yy", false},
{[]byte("x"), []byte("x"), true},
{[]byte("x"), []byte("y"), false},
{[]byte("x"), []byte("yy"), false},
{[]byte("x"), "x", true},
{[]byte("x"), "y", false},
{[]byte("x"), "yy", false},
{"x", []byte("x"), true},
{"x", []byte("y"), false},
{"x", []byte("yy"), false},
}
for i, tt := range tests {
va := of(tt.a)
if bytes, ok := tt.b.([]byte); ok {
if got := va.EqualBytes(bytes); got != tt.want {
t.Errorf("%d. EqualBytes = %v; want %v", i, got, tt.want)
}
} else {
if got := va.EqualString(tt.b.(string)); got != tt.want {
t.Errorf("%d. EqualString = %v; want %v", i, got, tt.want)
}
}
if got := va.Equal(of(tt.b)); got != tt.want {
t.Errorf("%d. Equal = %v; want %v", i, got, tt.want)
}
}
}
func TestByteViewSlice(t *testing.T) {
tests := []struct {
in string
from int
to interface{} // nil to mean the end (SliceFrom); else int
want string
}{
{
in: "abc",
from: 1,
to: 2,
want: "b",
},
{
in: "abc",
from: 1,
want: "bc",
},
{
in: "abc",
to: 2,
want: "ab",
},
}
for i, tt := range tests {
for _, v := range []ByteView{of([]byte(tt.in)), of(tt.in)} {
name := fmt.Sprintf("test %d, view %+v", i, v)
if tt.to != nil {
v = v.Slice(tt.from, tt.to.(int))
} else {
v = v.SliceFrom(tt.from)
}
if v.String() != tt.want {
t.Errorf("%s: got %q; want %q", name, v.String(), tt.want)
}
}
}
}
func min(a, b int) int {
if a < b {
return a
}
return b
}

456
vendor/github.com/golang/groupcache/groupcache_test.go generated vendored
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@ -1,456 +0,0 @@
/*
Copyright 2012 Google Inc.
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.
*/
// Tests for groupcache.
package groupcache
import (
"errors"
"fmt"
"hash/crc32"
"math/rand"
"reflect"
"sync"
"testing"
"time"
"unsafe"
"github.com/golang/protobuf/proto"
pb "github.com/golang/groupcache/groupcachepb"
testpb "github.com/golang/groupcache/testpb"
)
var (
once sync.Once
stringGroup, protoGroup Getter
stringc = make(chan string)
dummyCtx Context
// cacheFills is the number of times stringGroup or
// protoGroup's Getter have been called. Read using the
// cacheFills function.
cacheFills AtomicInt
)
const (
stringGroupName = "string-group"
protoGroupName = "proto-group"
testMessageType = "google3/net/groupcache/go/test_proto.TestMessage"
fromChan = "from-chan"
cacheSize = 1 << 20
)
func testSetup() {
stringGroup = NewGroup(stringGroupName, cacheSize, GetterFunc(func(_ Context, key string, dest Sink) error {
if key == fromChan {
key = <-stringc
}
cacheFills.Add(1)
return dest.SetString("ECHO:" + key)
}))
protoGroup = NewGroup(protoGroupName, cacheSize, GetterFunc(func(_ Context, key string, dest Sink) error {
if key == fromChan {
key = <-stringc
}
cacheFills.Add(1)
return dest.SetProto(&testpb.TestMessage{
Name: proto.String("ECHO:" + key),
City: proto.String("SOME-CITY"),
})
}))
}
// tests that a Getter's Get method is only called once with two
// outstanding callers. This is the string variant.
func TestGetDupSuppressString(t *testing.T) {
once.Do(testSetup)
// Start two getters. The first should block (waiting reading
// from stringc) and the second should latch on to the first
// one.
resc := make(chan string, 2)
for i := 0; i < 2; i++ {
go func() {
var s string
if err := stringGroup.Get(dummyCtx, fromChan, StringSink(&s)); err != nil {
resc <- "ERROR:" + err.Error()
return
}
resc <- s
}()
}
// Wait a bit so both goroutines get merged together via
// singleflight.
// TODO(bradfitz): decide whether there are any non-offensive
// debug/test hooks that could be added to singleflight to
// make a sleep here unnecessary.
time.Sleep(250 * time.Millisecond)
// Unblock the first getter, which should unblock the second
// as well.
stringc <- "foo"
for i := 0; i < 2; i++ {
select {
case v := <-resc:
if v != "ECHO:foo" {
t.Errorf("got %q; want %q", v, "ECHO:foo")
}
case <-time.After(5 * time.Second):
t.Errorf("timeout waiting on getter #%d of 2", i+1)
}
}
}
// tests that a Getter's Get method is only called once with two
// outstanding callers. This is the proto variant.
func TestGetDupSuppressProto(t *testing.T) {
once.Do(testSetup)
// Start two getters. The first should block (waiting reading
// from stringc) and the second should latch on to the first
// one.
resc := make(chan *testpb.TestMessage, 2)
for i := 0; i < 2; i++ {
go func() {
tm := new(testpb.TestMessage)
if err := protoGroup.Get(dummyCtx, fromChan, ProtoSink(tm)); err != nil {
tm.Name = proto.String("ERROR:" + err.Error())
}
resc <- tm
}()
}
// Wait a bit so both goroutines get merged together via
// singleflight.
// TODO(bradfitz): decide whether there are any non-offensive
// debug/test hooks that could be added to singleflight to
// make a sleep here unnecessary.
time.Sleep(250 * time.Millisecond)
// Unblock the first getter, which should unblock the second
// as well.
stringc <- "Fluffy"
want := &testpb.TestMessage{
Name: proto.String("ECHO:Fluffy"),
City: proto.String("SOME-CITY"),
}
for i := 0; i < 2; i++ {
select {
case v := <-resc:
if !reflect.DeepEqual(v, want) {
t.Errorf(" Got: %v\nWant: %v", proto.CompactTextString(v), proto.CompactTextString(want))
}
case <-time.After(5 * time.Second):
t.Errorf("timeout waiting on getter #%d of 2", i+1)
}
}
}
func countFills(f func()) int64 {
fills0 := cacheFills.Get()
f()
return cacheFills.Get() - fills0
}
func TestCaching(t *testing.T) {
once.Do(testSetup)
fills := countFills(func() {
for i := 0; i < 10; i++ {
var s string
if err := stringGroup.Get(dummyCtx, "TestCaching-key", StringSink(&s)); err != nil {
t.Fatal(err)
}
}
})
if fills != 1 {
t.Errorf("expected 1 cache fill; got %d", fills)
}
}
func TestCacheEviction(t *testing.T) {
once.Do(testSetup)
testKey := "TestCacheEviction-key"
getTestKey := func() {
var res string
for i := 0; i < 10; i++ {
if err := stringGroup.Get(dummyCtx, testKey, StringSink(&res)); err != nil {
t.Fatal(err)
}
}
}
fills := countFills(getTestKey)
if fills != 1 {
t.Fatalf("expected 1 cache fill; got %d", fills)
}
g := stringGroup.(*Group)
evict0 := g.mainCache.nevict
// Trash the cache with other keys.
var bytesFlooded int64
// cacheSize/len(testKey) is approximate
for bytesFlooded < cacheSize+1024 {
var res string
key := fmt.Sprintf("dummy-key-%d", bytesFlooded)
stringGroup.Get(dummyCtx, key, StringSink(&res))
bytesFlooded += int64(len(key) + len(res))
}
evicts := g.mainCache.nevict - evict0
if evicts <= 0 {
t.Errorf("evicts = %v; want more than 0", evicts)
}
// Test that the key is gone.
fills = countFills(getTestKey)
if fills != 1 {
t.Fatalf("expected 1 cache fill after cache trashing; got %d", fills)
}
}
type fakePeer struct {
hits int
fail bool
}
func (p *fakePeer) Get(_ Context, in *pb.GetRequest, out *pb.GetResponse) error {
p.hits++
if p.fail {
return errors.New("simulated error from peer")
}
out.Value = []byte("got:" + in.GetKey())
return nil
}
type fakePeers []ProtoGetter
func (p fakePeers) PickPeer(key string) (peer ProtoGetter, ok bool) {
if len(p) == 0 {
return
}
n := crc32.Checksum([]byte(key), crc32.IEEETable) % uint32(len(p))
return p[n], p[n] != nil
}
// tests that peers (virtual, in-process) are hit, and how much.
func TestPeers(t *testing.T) {
once.Do(testSetup)
rand.Seed(123)
peer0 := &fakePeer{}
peer1 := &fakePeer{}
peer2 := &fakePeer{}
peerList := fakePeers([]ProtoGetter{peer0, peer1, peer2, nil})
const cacheSize = 0 // disabled
localHits := 0
getter := func(_ Context, key string, dest Sink) error {
localHits++
return dest.SetString("got:" + key)
}
testGroup := newGroup("TestPeers-group", cacheSize, GetterFunc(getter), peerList)
run := func(name string, n int, wantSummary string) {
// Reset counters
localHits = 0
for _, p := range []*fakePeer{peer0, peer1, peer2} {
p.hits = 0
}
for i := 0; i < n; i++ {
key := fmt.Sprintf("key-%d", i)
want := "got:" + key
var got string
err := testGroup.Get(dummyCtx, key, StringSink(&got))
if err != nil {
t.Errorf("%s: error on key %q: %v", name, key, err)
continue
}
if got != want {
t.Errorf("%s: for key %q, got %q; want %q", name, key, got, want)
}
}
summary := func() string {
return fmt.Sprintf("localHits = %d, peers = %d %d %d", localHits, peer0.hits, peer1.hits, peer2.hits)
}
if got := summary(); got != wantSummary {
t.Errorf("%s: got %q; want %q", name, got, wantSummary)
}
}
resetCacheSize := func(maxBytes int64) {
g := testGroup
g.cacheBytes = maxBytes
g.mainCache = cache{}
g.hotCache = cache{}
}
// Base case; peers all up, with no problems.
resetCacheSize(1 << 20)
run("base", 200, "localHits = 49, peers = 51 49 51")
// Verify cache was hit. All localHits are gone, and some of
// the peer hits (the ones randomly selected to be maybe hot)
run("cached_base", 200, "localHits = 0, peers = 49 47 48")
resetCacheSize(0)
// With one of the peers being down.
// TODO(bradfitz): on a peer number being unavailable, the
// consistent hashing should maybe keep trying others to
// spread the load out. Currently it fails back to local
// execution if the first consistent-hash slot is unavailable.
peerList[0] = nil
run("one_peer_down", 200, "localHits = 100, peers = 0 49 51")
// Failing peer
peerList[0] = peer0
peer0.fail = true
run("peer0_failing", 200, "localHits = 100, peers = 51 49 51")
}
func TestTruncatingByteSliceTarget(t *testing.T) {
var buf [100]byte
s := buf[:]
if err := stringGroup.Get(dummyCtx, "short", TruncatingByteSliceSink(&s)); err != nil {
t.Fatal(err)
}
if want := "ECHO:short"; string(s) != want {
t.Errorf("short key got %q; want %q", s, want)
}
s = buf[:6]
if err := stringGroup.Get(dummyCtx, "truncated", TruncatingByteSliceSink(&s)); err != nil {
t.Fatal(err)
}
if want := "ECHO:t"; string(s) != want {
t.Errorf("truncated key got %q; want %q", s, want)
}
}
func TestAllocatingByteSliceTarget(t *testing.T) {
var dst []byte
sink := AllocatingByteSliceSink(&dst)
inBytes := []byte("some bytes")
sink.SetBytes(inBytes)
if want := "some bytes"; string(dst) != want {
t.Errorf("SetBytes resulted in %q; want %q", dst, want)
}
v, err := sink.view()
if err != nil {
t.Fatalf("view after SetBytes failed: %v", err)
}
if &inBytes[0] == &dst[0] {
t.Error("inBytes and dst share memory")
}
if &inBytes[0] == &v.b[0] {
t.Error("inBytes and view share memory")
}
if &dst[0] == &v.b[0] {
t.Error("dst and view share memory")
}
}
// orderedFlightGroup allows the caller to force the schedule of when
// orig.Do will be called. This is useful to serialize calls such
// that singleflight cannot dedup them.
type orderedFlightGroup struct {
mu sync.Mutex
stage1 chan bool
stage2 chan bool
orig flightGroup
}
func (g *orderedFlightGroup) Do(key string, fn func() (interface{}, error)) (interface{}, error) {
<-g.stage1
<-g.stage2
g.mu.Lock()
defer g.mu.Unlock()
return g.orig.Do(key, fn)
}
// TestNoDedup tests invariants on the cache size when singleflight is
// unable to dedup calls.
func TestNoDedup(t *testing.T) {
const testkey = "testkey"
const testval = "testval"
g := newGroup("testgroup", 1024, GetterFunc(func(_ Context, key string, dest Sink) error {
return dest.SetString(testval)
}), nil)
orderedGroup := &orderedFlightGroup{
stage1: make(chan bool),
stage2: make(chan bool),
orig: g.loadGroup,
}
// Replace loadGroup with our wrapper so we can control when
// loadGroup.Do is entered for each concurrent request.
g.loadGroup = orderedGroup
// Issue two idential requests concurrently. Since the cache is
// empty, it will miss. Both will enter load(), but we will only
// allow one at a time to enter singleflight.Do, so the callback
// function will be called twice.
resc := make(chan string, 2)
for i := 0; i < 2; i++ {
go func() {
var s string
if err := g.Get(dummyCtx, testkey, StringSink(&s)); err != nil {
resc <- "ERROR:" + err.Error()
return
}
resc <- s
}()
}
// Ensure both goroutines have entered the Do routine. This implies
// both concurrent requests have checked the cache, found it empty,
// and called load().
orderedGroup.stage1 <- true
orderedGroup.stage1 <- true
orderedGroup.stage2 <- true
orderedGroup.stage2 <- true
for i := 0; i < 2; i++ {
if s := <-resc; s != testval {
t.Errorf("result is %s want %s", s, testval)
}
}
const wantItems = 1
if g.mainCache.items() != wantItems {
t.Errorf("mainCache has %d items, want %d", g.mainCache.items(), wantItems)
}
// If the singleflight callback doesn't double-check the cache again
// upon entry, we would increment nbytes twice but the entry would
// only be in the cache once.
const wantBytes = int64(len(testkey) + len(testval))
if g.mainCache.nbytes != wantBytes {
t.Errorf("cache has %d bytes, want %d", g.mainCache.nbytes, wantBytes)
}
}
func TestGroupStatsAlignment(t *testing.T) {
var g Group
off := unsafe.Offsetof(g.Stats)
if off%8 != 0 {
t.Fatal("Stats structure is not 8-byte aligned.")
}
}
// TODO(bradfitz): port the Google-internal full integration test into here,
// using HTTP requests instead of our RPC system.

166
vendor/github.com/golang/groupcache/http_test.go generated vendored
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@ -1,166 +0,0 @@
/*
Copyright 2013 Google Inc.
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 groupcache
import (
"errors"
"flag"
"log"
"net"
"net/http"
"os"
"os/exec"
"strconv"
"strings"
"sync"
"testing"
"time"
)
var (
peerAddrs = flag.String("test_peer_addrs", "", "Comma-separated list of peer addresses; used by TestHTTPPool")
peerIndex = flag.Int("test_peer_index", -1, "Index of which peer this child is; used by TestHTTPPool")
peerChild = flag.Bool("test_peer_child", false, "True if running as a child process; used by TestHTTPPool")
)
func TestHTTPPool(t *testing.T) {
if *peerChild {
beChildForTestHTTPPool()
os.Exit(0)
}
const (
nChild = 4
nGets = 100
)
var childAddr []string
for i := 0; i < nChild; i++ {
childAddr = append(childAddr, pickFreeAddr(t))
}
var cmds []*exec.Cmd
var wg sync.WaitGroup
for i := 0; i < nChild; i++ {
cmd := exec.Command(os.Args[0],
"--test.run=TestHTTPPool",
"--test_peer_child",
"--test_peer_addrs="+strings.Join(childAddr, ","),
"--test_peer_index="+strconv.Itoa(i),
)
cmds = append(cmds, cmd)
wg.Add(1)
if err := cmd.Start(); err != nil {
t.Fatal("failed to start child process: ", err)
}
go awaitAddrReady(t, childAddr[i], &wg)
}
defer func() {
for i := 0; i < nChild; i++ {
if cmds[i].Process != nil {
cmds[i].Process.Kill()
}
}
}()
wg.Wait()
// Use a dummy self address so that we don't handle gets in-process.
p := NewHTTPPool("should-be-ignored")
p.Set(addrToURL(childAddr)...)
// Dummy getter function. Gets should go to children only.
// The only time this process will handle a get is when the
// children can't be contacted for some reason.
getter := GetterFunc(func(ctx Context, key string, dest Sink) error {
return errors.New("parent getter called; something's wrong")
})
g := NewGroup("httpPoolTest", 1<<20, getter)
for _, key := range testKeys(nGets) {
var value string
if err := g.Get(nil, key, StringSink(&value)); err != nil {
t.Fatal(err)
}
if suffix := ":" + key; !strings.HasSuffix(value, suffix) {
t.Errorf("Get(%q) = %q, want value ending in %q", key, value, suffix)
}
t.Logf("Get key=%q, value=%q (peer:key)", key, value)
}
}
func testKeys(n int) (keys []string) {
keys = make([]string, n)
for i := range keys {
keys[i] = strconv.Itoa(i)
}
return
}
func beChildForTestHTTPPool() {
addrs := strings.Split(*peerAddrs, ",")
p := NewHTTPPool("http://" + addrs[*peerIndex])
p.Set(addrToURL(addrs)...)
getter := GetterFunc(func(ctx Context, key string, dest Sink) error {
dest.SetString(strconv.Itoa(*peerIndex) + ":" + key)
return nil
})
NewGroup("httpPoolTest", 1<<20, getter)
log.Fatal(http.ListenAndServe(addrs[*peerIndex], p))
}
// This is racy. Another process could swoop in and steal the port between the
// call to this function and the next listen call. Should be okay though.
// The proper way would be to pass the l.File() as ExtraFiles to the child
// process, and then close your copy once the child starts.
func pickFreeAddr(t *testing.T) string {
l, err := net.Listen("tcp", "127.0.0.1:0")
if err != nil {
t.Fatal(err)
}
defer l.Close()
return l.Addr().String()
}
func addrToURL(addr []string) []string {
url := make([]string, len(addr))
for i := range addr {
url[i] = "http://" + addr[i]
}
return url
}
func awaitAddrReady(t *testing.T, addr string, wg *sync.WaitGroup) {
defer wg.Done()
const max = 1 * time.Second
tries := 0
for {
tries++
c, err := net.Dial("tcp", addr)
if err == nil {
c.Close()
return
}
delay := time.Duration(tries) * 25 * time.Millisecond
if delay > max {
delay = max
}
time.Sleep(delay)
}
}

97
vendor/github.com/golang/groupcache/lru/lru_test.go generated vendored
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@ -1,97 +0,0 @@
/*
Copyright 2013 Google Inc.
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 lru
import (
"fmt"
"testing"
)
type simpleStruct struct {
int
string
}
type complexStruct struct {
int
simpleStruct
}
var getTests = []struct {
name string
keyToAdd interface{}
keyToGet interface{}
expectedOk bool
}{
{"string_hit", "myKey", "myKey", true},
{"string_miss", "myKey", "nonsense", false},
{"simple_struct_hit", simpleStruct{1, "two"}, simpleStruct{1, "two"}, true},
{"simeple_struct_miss", simpleStruct{1, "two"}, simpleStruct{0, "noway"}, false},
{"complex_struct_hit", complexStruct{1, simpleStruct{2, "three"}},
complexStruct{1, simpleStruct{2, "three"}}, true},
}
func TestGet(t *testing.T) {
for _, tt := range getTests {
lru := New(0)
lru.Add(tt.keyToAdd, 1234)
val, ok := lru.Get(tt.keyToGet)
if ok != tt.expectedOk {
t.Fatalf("%s: cache hit = %v; want %v", tt.name, ok, !ok)
} else if ok && val != 1234 {
t.Fatalf("%s expected get to return 1234 but got %v", tt.name, val)
}
}
}
func TestRemove(t *testing.T) {
lru := New(0)
lru.Add("myKey", 1234)
if val, ok := lru.Get("myKey"); !ok {
t.Fatal("TestRemove returned no match")
} else if val != 1234 {
t.Fatalf("TestRemove failed. Expected %d, got %v", 1234, val)
}
lru.Remove("myKey")
if _, ok := lru.Get("myKey"); ok {
t.Fatal("TestRemove returned a removed entry")
}
}
func TestEvict(t *testing.T) {
evictedKeys := make([]Key, 0)
onEvictedFun := func(key Key, value interface{}) {
evictedKeys = append(evictedKeys, key)
}
lru := New(20)
lru.OnEvicted = onEvictedFun
for i := 0; i < 22; i++ {
lru.Add(fmt.Sprintf("myKey%d", i), 1234)
}
if len(evictedKeys) != 2 {
t.Fatalf("got %d evicted keys; want 2", len(evictedKeys))
}
if evictedKeys[0] != Key("myKey0") {
t.Fatalf("got %v in first evicted key; want %s", evictedKeys[0], "myKey0")
}
if evictedKeys[1] != Key("myKey1") {
t.Fatalf("got %v in second evicted key; want %s", evictedKeys[1], "myKey1")
}
}

2
vendor/github.com/golang/groupcache/sinks.go generated vendored
View file

@ -159,7 +159,7 @@ func ProtoSink(m proto.Message) Sink {
}
type protoSink struct {
dst proto.Message // authorative value
dst proto.Message // authoritative value
typ string
v ByteView // encoded