Files
yinghuoapi/backend/internal/repository/concurrency_cache_integration_test.go
2025-12-25 16:01:17 +08:00

232 lines
7.9 KiB
Go

//go:build integration
package repository
import (
"errors"
"fmt"
"testing"
"time"
"github.com/Wei-Shaw/sub2api/internal/service/ports"
"github.com/redis/go-redis/v9"
"github.com/stretchr/testify/require"
"github.com/stretchr/testify/suite"
)
type ConcurrencyCacheSuite struct {
IntegrationRedisSuite
cache ports.ConcurrencyCache
}
func (s *ConcurrencyCacheSuite) SetupTest() {
s.IntegrationRedisSuite.SetupTest()
s.cache = NewConcurrencyCache(s.rdb)
}
func (s *ConcurrencyCacheSuite) TestAccountSlot_AcquireAndRelease() {
accountID := int64(10)
reqID1, reqID2, reqID3 := "req1", "req2", "req3"
ok, err := s.cache.AcquireAccountSlot(s.ctx, accountID, 2, reqID1)
require.NoError(s.T(), err, "AcquireAccountSlot 1")
require.True(s.T(), ok)
ok, err = s.cache.AcquireAccountSlot(s.ctx, accountID, 2, reqID2)
require.NoError(s.T(), err, "AcquireAccountSlot 2")
require.True(s.T(), ok)
ok, err = s.cache.AcquireAccountSlot(s.ctx, accountID, 2, reqID3)
require.NoError(s.T(), err, "AcquireAccountSlot 3")
require.False(s.T(), ok, "expected third acquire to fail")
cur, err := s.cache.GetAccountConcurrency(s.ctx, accountID)
require.NoError(s.T(), err, "GetAccountConcurrency")
require.Equal(s.T(), 2, cur, "concurrency mismatch")
require.NoError(s.T(), s.cache.ReleaseAccountSlot(s.ctx, accountID, reqID1), "ReleaseAccountSlot")
cur, err = s.cache.GetAccountConcurrency(s.ctx, accountID)
require.NoError(s.T(), err, "GetAccountConcurrency after release")
require.Equal(s.T(), 1, cur, "expected 1 after release")
}
func (s *ConcurrencyCacheSuite) TestAccountSlot_TTL() {
accountID := int64(11)
reqID := "req_ttl_test"
slotKey := fmt.Sprintf("%s%d:%s", accountSlotKeyPrefix, accountID, reqID)
ok, err := s.cache.AcquireAccountSlot(s.ctx, accountID, 5, reqID)
require.NoError(s.T(), err, "AcquireAccountSlot")
require.True(s.T(), ok)
ttl, err := s.rdb.TTL(s.ctx, slotKey).Result()
require.NoError(s.T(), err, "TTL")
s.AssertTTLWithin(ttl, 1*time.Second, slotTTL)
}
func (s *ConcurrencyCacheSuite) TestAccountSlot_DuplicateReqID() {
accountID := int64(12)
reqID := "dup-req"
ok, err := s.cache.AcquireAccountSlot(s.ctx, accountID, 2, reqID)
require.NoError(s.T(), err)
require.True(s.T(), ok)
// Acquiring with same reqID should be idempotent
ok, err = s.cache.AcquireAccountSlot(s.ctx, accountID, 2, reqID)
require.NoError(s.T(), err)
require.True(s.T(), ok)
cur, err := s.cache.GetAccountConcurrency(s.ctx, accountID)
require.NoError(s.T(), err)
require.Equal(s.T(), 1, cur, "expected concurrency=1 (idempotent)")
}
func (s *ConcurrencyCacheSuite) TestAccountSlot_ReleaseIdempotent() {
accountID := int64(13)
reqID := "release-test"
ok, err := s.cache.AcquireAccountSlot(s.ctx, accountID, 1, reqID)
require.NoError(s.T(), err)
require.True(s.T(), ok)
require.NoError(s.T(), s.cache.ReleaseAccountSlot(s.ctx, accountID, reqID), "ReleaseAccountSlot")
// Releasing again should not error
require.NoError(s.T(), s.cache.ReleaseAccountSlot(s.ctx, accountID, reqID), "ReleaseAccountSlot again")
// Releasing non-existent should not error
require.NoError(s.T(), s.cache.ReleaseAccountSlot(s.ctx, accountID, "non-existent"), "ReleaseAccountSlot non-existent")
cur, err := s.cache.GetAccountConcurrency(s.ctx, accountID)
require.NoError(s.T(), err)
require.Equal(s.T(), 0, cur)
}
func (s *ConcurrencyCacheSuite) TestAccountSlot_MaxZero() {
accountID := int64(14)
reqID := "max-zero-test"
ok, err := s.cache.AcquireAccountSlot(s.ctx, accountID, 0, reqID)
require.NoError(s.T(), err)
require.False(s.T(), ok, "expected acquire to fail with max=0")
}
func (s *ConcurrencyCacheSuite) TestUserSlot_AcquireAndRelease() {
userID := int64(42)
reqID1, reqID2 := "req1", "req2"
ok, err := s.cache.AcquireUserSlot(s.ctx, userID, 1, reqID1)
require.NoError(s.T(), err, "AcquireUserSlot")
require.True(s.T(), ok)
ok, err = s.cache.AcquireUserSlot(s.ctx, userID, 1, reqID2)
require.NoError(s.T(), err, "AcquireUserSlot 2")
require.False(s.T(), ok, "expected second acquire to fail at max=1")
cur, err := s.cache.GetUserConcurrency(s.ctx, userID)
require.NoError(s.T(), err, "GetUserConcurrency")
require.Equal(s.T(), 1, cur, "expected concurrency=1")
require.NoError(s.T(), s.cache.ReleaseUserSlot(s.ctx, userID, reqID1), "ReleaseUserSlot")
// Releasing a non-existent slot should not error
require.NoError(s.T(), s.cache.ReleaseUserSlot(s.ctx, userID, "non-existent"), "ReleaseUserSlot non-existent")
cur, err = s.cache.GetUserConcurrency(s.ctx, userID)
require.NoError(s.T(), err, "GetUserConcurrency after release")
require.Equal(s.T(), 0, cur, "expected concurrency=0 after release")
}
func (s *ConcurrencyCacheSuite) TestUserSlot_TTL() {
userID := int64(200)
reqID := "req_ttl_test"
slotKey := fmt.Sprintf("%s%d:%s", userSlotKeyPrefix, userID, reqID)
ok, err := s.cache.AcquireUserSlot(s.ctx, userID, 5, reqID)
require.NoError(s.T(), err, "AcquireUserSlot")
require.True(s.T(), ok)
ttl, err := s.rdb.TTL(s.ctx, slotKey).Result()
require.NoError(s.T(), err, "TTL")
s.AssertTTLWithin(ttl, 1*time.Second, slotTTL)
}
func (s *ConcurrencyCacheSuite) TestWaitQueue_IncrementAndDecrement() {
userID := int64(20)
waitKey := fmt.Sprintf("%s%d", waitQueueKeyPrefix, userID)
ok, err := s.cache.IncrementWaitCount(s.ctx, userID, 2)
require.NoError(s.T(), err, "IncrementWaitCount 1")
require.True(s.T(), ok)
ok, err = s.cache.IncrementWaitCount(s.ctx, userID, 2)
require.NoError(s.T(), err, "IncrementWaitCount 2")
require.True(s.T(), ok)
ok, err = s.cache.IncrementWaitCount(s.ctx, userID, 2)
require.NoError(s.T(), err, "IncrementWaitCount 3")
require.False(s.T(), ok, "expected wait increment over max to fail")
ttl, err := s.rdb.TTL(s.ctx, waitKey).Result()
require.NoError(s.T(), err, "TTL waitKey")
s.AssertTTLWithin(ttl, 1*time.Second, slotTTL)
require.NoError(s.T(), s.cache.DecrementWaitCount(s.ctx, userID), "DecrementWaitCount")
val, err := s.rdb.Get(s.ctx, waitKey).Int()
if !errors.Is(err, redis.Nil) {
require.NoError(s.T(), err, "Get waitKey")
}
require.Equal(s.T(), 1, val, "expected wait count 1")
}
func (s *ConcurrencyCacheSuite) TestWaitQueue_DecrementNoNegative() {
userID := int64(300)
waitKey := fmt.Sprintf("%s%d", waitQueueKeyPrefix, userID)
// Test decrement on non-existent key - should not error and should not create negative value
require.NoError(s.T(), s.cache.DecrementWaitCount(s.ctx, userID), "DecrementWaitCount on non-existent key")
// Verify no key was created or it's not negative
val, err := s.rdb.Get(s.ctx, waitKey).Int()
if !errors.Is(err, redis.Nil) {
require.NoError(s.T(), err, "Get waitKey")
}
require.GreaterOrEqual(s.T(), val, 0, "expected non-negative wait count after decrement on empty")
// Set count to 1, then decrement twice
ok, err := s.cache.IncrementWaitCount(s.ctx, userID, 5)
require.NoError(s.T(), err, "IncrementWaitCount")
require.True(s.T(), ok)
// Decrement once (1 -> 0)
require.NoError(s.T(), s.cache.DecrementWaitCount(s.ctx, userID), "DecrementWaitCount")
// Decrement again on 0 - should not go negative
require.NoError(s.T(), s.cache.DecrementWaitCount(s.ctx, userID), "DecrementWaitCount on zero")
// Verify count is 0, not negative
val, err = s.rdb.Get(s.ctx, waitKey).Int()
if !errors.Is(err, redis.Nil) {
require.NoError(s.T(), err, "Get waitKey after double decrement")
}
require.GreaterOrEqual(s.T(), val, 0, "expected non-negative wait count")
}
func (s *ConcurrencyCacheSuite) TestGetAccountConcurrency_Missing() {
// When no slots exist, GetAccountConcurrency should return 0
cur, err := s.cache.GetAccountConcurrency(s.ctx, 999)
require.NoError(s.T(), err)
require.Equal(s.T(), 0, cur)
}
func (s *ConcurrencyCacheSuite) TestGetUserConcurrency_Missing() {
// When no slots exist, GetUserConcurrency should return 0
cur, err := s.cache.GetUserConcurrency(s.ctx, 999)
require.NoError(s.T(), err)
require.Equal(s.T(), 0, cur)
}
func TestConcurrencyCacheSuite(t *testing.T) {
suite.Run(t, new(ConcurrencyCacheSuite))
}