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package cache_test
import (
"sort"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
"a.yandex-team.ru/library/go/yandex/tvm"
"a.yandex-team.ru/library/go/yandex/tvm/tvmtool/internal/cache"
)
var (
testDst = "test_dst"
testDstAlias = "test_dst_alias"
testDstID = tvm.ClientID(1)
testValue = "test_val"
)
func TestNewAtHour(t *testing.T) {
c := cache.New(time.Hour, 11*time.Hour)
assert.NotNil(t, c, "failed to create cache")
}
func TestCache_Load(t *testing.T) {
c := cache.New(time.Second, time.Hour)
c.Store(testDstID, testDst, &testValue)
// checking before
{
r, hit := c.Load(testDstID)
assert.Equal(t, cache.Hit, hit, "failed to get '%d' from cache before deadline", testDstID)
assert.NotNil(t, r, "failed to get '%d' from cache before deadline", testDstID)
assert.Equal(t, testValue, *r)
r, hit = c.LoadByAlias(testDst)
assert.Equal(t, cache.Hit, hit, "failed to get '%s' from cache before deadline", testDst)
assert.NotNil(t, r, "failed to get %q from tickets before deadline", testDst)
assert.Equal(t, testValue, *r)
}
{
r, hit := c.Load(999833321)
assert.Equal(t, cache.Miss, hit, "got tickets for '999833321', but that key must be never existed")
assert.Nil(t, r, "got tickets for '999833321', but that key must be never existed")
r, hit = c.LoadByAlias("kek")
assert.Equal(t, cache.Miss, hit, "got tickets for 'kek', but that key must be never existed")
assert.Nil(t, r, "got tickets for 'kek', but that key must be never existed")
}
time.Sleep(3 * time.Second)
// checking after
{
r, hit := c.Load(testDstID)
assert.Equal(t, cache.GonnaMissy, hit)
assert.Equal(t, testValue, *r)
r, hit = c.LoadByAlias(testDst)
assert.Equal(t, cache.GonnaMissy, hit)
assert.Equal(t, testValue, *r)
}
}
func TestCache_Keys(t *testing.T) {
c := cache.New(time.Second, time.Hour)
c.Store(testDstID, testDst, &testValue)
c.Store(testDstID, testDstAlias, &testValue)
t.Run("aliases", func(t *testing.T) {
aliases := c.Aliases()
sort.Strings(aliases)
require.Equal(t, 2, len(aliases), "not correct length of aliases")
require.EqualValues(t, []string{testDst, testDstAlias}, aliases)
})
t.Run("client_ids", func(t *testing.T) {
ids := c.ClientIDs()
require.Equal(t, 1, len(ids), "not correct length of client ids")
require.EqualValues(t, []tvm.ClientID{testDstID}, ids)
})
}
func TestCache_ExpiredKeys(t *testing.T) {
c := cache.New(time.Second, 10*time.Second)
c.Store(testDstID, testDst, &testValue)
c.Store(testDstID, testDstAlias, &testValue)
time.Sleep(3 * time.Second)
c.Gc()
var (
newDst = "new_dst"
newDstID = tvm.ClientID(2)
)
c.Store(newDstID, newDst, &testValue)
t.Run("aliases", func(t *testing.T) {
aliases := c.Aliases()
require.Equal(t, 3, len(aliases), "not correct length of aliases")
require.ElementsMatch(t, []string{testDst, testDstAlias, newDst}, aliases)
})
t.Run("client_ids", func(t *testing.T) {
ids := c.ClientIDs()
require.Equal(t, 2, len(ids), "not correct length of client ids")
require.ElementsMatch(t, []tvm.ClientID{testDstID, newDstID}, ids)
})
time.Sleep(8 * time.Second)
c.Gc()
t.Run("aliases", func(t *testing.T) {
aliases := c.Aliases()
require.Equal(t, 1, len(aliases), "not correct length of aliases")
require.ElementsMatch(t, []string{newDst}, aliases)
})
t.Run("client_ids", func(t *testing.T) {
ids := c.ClientIDs()
require.Equal(t, 1, len(ids), "not correct length of client ids")
require.ElementsMatch(t, []tvm.ClientID{newDstID}, ids)
})
}
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