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batch_cover_test.go
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batch_cover_test.go
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package rockscache
import (
"context"
"errors"
"fmt"
"math/rand"
"testing"
"time"
"github.com/stretchr/testify/assert"
)
var (
n = int(rand.Int31n(20) + 10)
)
func TestDisableForBatch(t *testing.T) {
idxs := genIdxs(n)
keys := genKeys(idxs)
getFn := func(idxs []int) (map[int]string, error) {
return nil, nil
}
rc := NewClient(nil, NewDefaultOptions())
rc.Options.DisableCacheDelete = true
rc.Options.DisableCacheRead = true
_, err := rc.FetchBatch2(context.Background(), keys, 60, getFn)
assert.Nil(t, err)
err = rc.TagAsDeleted2(context.Background(), keys[0])
assert.Nil(t, err)
}
func TestErrorFetchForBatch(t *testing.T) {
idxs := genIdxs(n)
keys := genKeys(idxs)
fetchError := errors.New("fetch error")
fn := func(idxs []int) (map[int]string, error) {
return nil, fetchError
}
clearCache()
rc := NewClient(rdb, NewDefaultOptions())
_, err := rc.FetchBatch(keys, 60, fn)
assert.ErrorIs(t, err, fetchError)
rc.Options.StrongConsistency = true
_, err = rc.FetchBatch(keys, 60, fn)
assert.ErrorIs(t, err, fetchError)
}
func TestEmptyExpireForBatch(t *testing.T) {
testEmptyExpireForBatch(t, 0)
testEmptyExpireForBatch(t, 10*time.Second)
}
func testEmptyExpireForBatch(t *testing.T, expire time.Duration) {
idxs := genIdxs(n)
keys := genKeys(idxs)
fn := func(idxs []int) (map[int]string, error) {
return nil, nil
}
fetchError := errors.New("fetch error")
errFn := func(idxs []int) (map[int]string, error) {
return nil, fetchError
}
clearCache()
rc := NewClient(rdb, NewDefaultOptions())
rc.Options.EmptyExpire = expire
_, err := rc.FetchBatch(keys, 60, fn)
assert.Nil(t, err)
_, err = rc.FetchBatch(keys, 60, errFn)
if expire == 0 {
assert.ErrorIs(t, err, fetchError)
} else {
assert.Nil(t, err)
}
clearCache()
rc.Options.StrongConsistency = true
_, err = rc.FetchBatch(keys, 60, fn)
assert.Nil(t, err)
_, err = rc.FetchBatch(keys, 60, errFn)
if expire == 0 {
assert.ErrorIs(t, err, fetchError)
} else {
assert.Nil(t, err)
}
}
func TestPanicFetchForBatch(t *testing.T) {
idxs := genIdxs(n)
keys := genKeys(idxs)
fn := func(idxs []int) (map[int]string, error) {
return nil, nil
}
fetchError := errors.New("fetch error")
errFn := func(idxs []int) (map[int]string, error) {
panic(fetchError)
}
clearCache()
rc := NewClient(rdb, NewDefaultOptions())
_, err := rc.FetchBatch(keys, 60, fn)
assert.Nil(t, err)
rc.TagAsDeleted("key1")
_, err = rc.FetchBatch(keys, 60, errFn)
assert.Nil(t, err)
time.Sleep(20 * time.Millisecond)
}
func TestTagAsDeletedBatchWait(t *testing.T) {
clearCache()
rc := NewClient(rdb, NewDefaultOptions())
rc.Options.WaitReplicas = 1
rc.Options.WaitReplicasTimeout = 10
err := rc.TagAsDeletedBatch([]string{"key1", "key2"})
if getCluster() != nil {
assert.Nil(t, err)
} else {
assert.Error(t, err, fmt.Errorf("wait replicas 1 failed. result replicas: 0"))
}
}
func TestWeakFetchBatchCanceled(t *testing.T) {
clearCache()
rc := NewClient(rdb, NewDefaultOptions())
n := int(rand.Int31n(20) + 10)
idxs := genIdxs(n)
keys, values1, values2 := genKeys(idxs), genValues(n, "value_"), genValues(n, "eulav_")
values3 := genValues(n, "vvvv_")
go func() {
dc2 := NewClient(rdb, NewDefaultOptions())
v, err := dc2.FetchBatch(keys, 60*time.Second, genBatchDataFunc(values1, 450))
assert.Nil(t, err)
assert.Equal(t, values1, v)
}()
time.Sleep(20 * time.Millisecond)
began := time.Now()
ctx, cancel := context.WithTimeout(context.Background(), 200*time.Millisecond)
defer cancel()
_, err := rc.FetchBatch2(ctx, keys, 60*time.Second, genBatchDataFunc(values2, 200))
assert.ErrorIs(t, err, context.DeadlineExceeded)
assertEqualDuration(t, time.Duration(200)*time.Millisecond, time.Since(began))
ctx, cancel = context.WithCancel(context.Background())
go func() {
time.Sleep(200 * time.Millisecond)
cancel()
}()
began = time.Now()
_, err = rc.FetchBatch2(ctx, keys, 60*time.Second, genBatchDataFunc(values3, 200))
assert.ErrorIs(t, err, context.Canceled)
assertEqualDuration(t, time.Duration(200)*time.Millisecond, time.Since(began))
}
func TestStrongFetchBatchCanceled(t *testing.T) {
clearCache()
rc := NewClient(rdb, NewDefaultOptions())
rc.Options.StrongConsistency = true
n := int(rand.Int31n(20) + 10)
idxs := genIdxs(n)
keys, values1, values2 := genKeys(idxs), genValues(n, "value_"), genValues(n, "eulav_")
values3 := genValues(n, "vvvv_")
go func() {
dc2 := NewClient(rdb, NewDefaultOptions())
v, err := dc2.FetchBatch(keys, 60*time.Second, genBatchDataFunc(values1, 450))
assert.Nil(t, err)
assert.Equal(t, values1, v)
}()
time.Sleep(20 * time.Millisecond)
began := time.Now()
ctx, cancel := context.WithTimeout(context.Background(), 200*time.Millisecond)
defer cancel()
_, err := rc.FetchBatch2(ctx, keys, 60*time.Second, genBatchDataFunc(values2, 200))
assert.ErrorIs(t, err, context.DeadlineExceeded)
assertEqualDuration(t, time.Duration(200)*time.Millisecond, time.Since(began))
ctx, cancel = context.WithCancel(context.Background())
go func() {
time.Sleep(200 * time.Millisecond)
cancel()
}()
began = time.Now()
_, err = rc.FetchBatch2(ctx, keys, 60*time.Second, genBatchDataFunc(values3, 200))
assert.ErrorIs(t, err, context.Canceled)
assertEqualDuration(t, time.Duration(200)*time.Millisecond, time.Since(began))
}