Files
tasks/common/quotas/multi_rate_limiter_impl_test.go
Alex ShtinandGitHub 8e8f1b0f7c Remove license header from every file (#7689)
## What changed?
<!-- Describe what has changed in this PR -->
Remove license header from every file. Because it is really hard to
follow in this PR here is the summary:
1. License header is removed from all `.go` and `.proto` files
:fireworks::fireworks:🎆.
2. `LICENSE` file in the root directory has only Temporal and Uber
copyrights.
3. 5 other `LICENSE` files added to the packages which have copyrights
different from Temporal and Uber: Datadog, Xargin, "Mat Ryer, Tyler
Bunnell and contributors".
4. `license_file` flag is removed from all code generation tools.
5. `copyright_file` flag is removed from `go:generate mockgen`
directive.
6. All copyright related targets are removed from `Makefile`.
7. Updated Temporal copyright year to 2025 everywhere.

## Why?
<!-- Tell your future self why have you made these changes -->
I double checked with legal department that it is not needed to have
license header in every file. One file per repo is enough. I put all
copyrights to the root `LICENSE` file and removed header from all other
files. Also updated tools and `Makefile`.
2025-05-01 18:50:21 -07:00

281 lines
9.2 KiB
Go

package quotas
import (
"context"
"testing"
"time"
"github.com/stretchr/testify/require"
"github.com/stretchr/testify/suite"
"go.uber.org/mock/gomock"
)
type (
multiStageRateLimiterSuite struct {
suite.Suite
*require.Assertions
controller *gomock.Controller
firstRateLimiter *MockRateLimiter
secondRateLimiter *MockRateLimiter
firstReservation *MockReservation
secondReservation *MockReservation
rateLimiter *MultiRateLimiterImpl
}
)
func TestMultiStageRateLimiterSuite(t *testing.T) {
s := new(multiStageRateLimiterSuite)
suite.Run(t, s)
}
func (s *multiStageRateLimiterSuite) SetupSuite() {
}
func (s *multiStageRateLimiterSuite) TearDownSuite() {
}
func (s *multiStageRateLimiterSuite) SetupTest() {
s.Assertions = require.New(s.T())
s.controller = gomock.NewController(s.T())
s.firstRateLimiter = NewMockRateLimiter(s.controller)
s.secondRateLimiter = NewMockRateLimiter(s.controller)
s.firstReservation = NewMockReservation(s.controller)
s.secondReservation = NewMockReservation(s.controller)
s.rateLimiter = NewMultiRateLimiter([]RateLimiter{s.firstRateLimiter, s.secondRateLimiter})
}
func (s *multiStageRateLimiterSuite) TearDownTest() {
s.controller.Finish()
}
func (s *multiStageRateLimiterSuite) TestAllowN_NonSuccess() {
now := time.Now()
numToken := 2
s.firstReservation.EXPECT().OK().Return(false).AnyTimes()
s.firstRateLimiter.EXPECT().ReserveN(now, numToken).Return(s.firstReservation)
result := s.rateLimiter.AllowN(now, numToken)
s.False(result)
}
func (s *multiStageRateLimiterSuite) TestAllowN_SomeSuccess_Case1() {
now := time.Now()
numToken := 2
s.firstReservation.EXPECT().OK().Return(true).AnyTimes()
s.firstReservation.EXPECT().DelayFrom(now).Return(time.Duration(0)).AnyTimes()
s.firstReservation.EXPECT().CancelAt(now)
s.firstRateLimiter.EXPECT().ReserveN(now, numToken).Return(s.firstReservation)
s.secondReservation.EXPECT().OK().Return(false).AnyTimes()
s.secondReservation.EXPECT().DelayFrom(now).Return(time.Duration(0)).AnyTimes()
s.secondRateLimiter.EXPECT().ReserveN(now, numToken).Return(s.secondReservation)
result := s.rateLimiter.AllowN(now, numToken)
s.False(result)
}
func (s *multiStageRateLimiterSuite) TestAllowN_SomeSuccess_Case2() {
now := time.Now()
numToken := 2
s.firstReservation.EXPECT().OK().Return(true).AnyTimes()
s.firstReservation.EXPECT().DelayFrom(now).Return(time.Duration(0)).AnyTimes()
s.firstReservation.EXPECT().CancelAt(now)
s.firstRateLimiter.EXPECT().ReserveN(now, numToken).Return(s.firstReservation)
s.secondReservation.EXPECT().OK().Return(true).AnyTimes()
s.secondReservation.EXPECT().DelayFrom(now).Return(time.Duration(1)).AnyTimes()
s.secondReservation.EXPECT().CancelAt(now)
s.secondRateLimiter.EXPECT().ReserveN(now, numToken).Return(s.secondReservation)
result := s.rateLimiter.AllowN(now, numToken)
s.False(result)
}
func (s *multiStageRateLimiterSuite) TestAllowN_AllSuccess() {
now := time.Now()
numToken := 2
s.firstReservation.EXPECT().OK().Return(true).AnyTimes()
s.firstReservation.EXPECT().DelayFrom(now).Return(time.Duration(0)).AnyTimes()
s.firstRateLimiter.EXPECT().ReserveN(now, numToken).Return(s.firstReservation)
s.secondReservation.EXPECT().OK().Return(true).AnyTimes()
s.secondReservation.EXPECT().DelayFrom(now).Return(time.Duration(0)).AnyTimes()
s.secondRateLimiter.EXPECT().ReserveN(now, numToken).Return(s.secondReservation)
result := s.rateLimiter.AllowN(now, numToken)
s.True(result)
}
func (s *multiStageRateLimiterSuite) TestReserveN_NonSuccess() {
now := time.Now()
numToken := 4
s.firstReservation.EXPECT().OK().Return(false).AnyTimes()
s.firstRateLimiter.EXPECT().ReserveN(now, numToken).Return(s.firstReservation)
result := s.rateLimiter.ReserveN(now, numToken)
s.Equal(&MultiReservationImpl{
ok: false,
reservations: nil,
}, result)
}
func (s *multiStageRateLimiterSuite) TestReserveN_SomeSuccess() {
now := time.Now()
numToken := 4
s.firstReservation.EXPECT().OK().Return(true).AnyTimes()
s.firstReservation.EXPECT().CancelAt(now)
s.firstRateLimiter.EXPECT().ReserveN(now, numToken).Return(s.firstReservation)
s.secondReservation.EXPECT().OK().Return(false).AnyTimes()
s.secondRateLimiter.EXPECT().ReserveN(now, numToken).Return(s.secondReservation)
result := s.rateLimiter.ReserveN(now, numToken)
s.Equal(&MultiReservationImpl{
ok: false,
reservations: nil,
}, result)
}
func (s *multiStageRateLimiterSuite) TestReserveN_AllSuccess() {
now := time.Now()
numToken := 4
s.firstReservation.EXPECT().OK().Return(true).AnyTimes()
s.firstRateLimiter.EXPECT().ReserveN(now, numToken).Return(s.firstReservation)
s.secondReservation.EXPECT().OK().Return(true).AnyTimes()
s.secondRateLimiter.EXPECT().ReserveN(now, numToken).Return(s.secondReservation)
result := s.rateLimiter.ReserveN(now, numToken)
s.Equal(&MultiReservationImpl{
ok: true,
reservations: []Reservation{s.firstReservation, s.secondReservation},
}, result)
}
func (s *multiStageRateLimiterSuite) TestWaitN_AlreadyExpired() {
ctx, cancel := context.WithCancel(context.Background())
cancel()
numToken := 4
result := s.rateLimiter.WaitN(ctx, numToken)
s.Error(result)
}
func (s *multiStageRateLimiterSuite) TestWaitN_NotExpired_WithExpiration_Error() {
ctx, cancel := context.WithTimeout(context.Background(), time.Second)
defer cancel()
numToken := 4
firstReservationDelay := 2 * time.Second
secondReservationDelay := 3 * time.Second
s.firstReservation.EXPECT().DelayFrom(gomock.Any()).Return(firstReservationDelay).AnyTimes()
s.secondReservation.EXPECT().DelayFrom(gomock.Any()).Return(secondReservationDelay).AnyTimes()
s.firstReservation.EXPECT().CancelAt(gomock.Any())
s.secondReservation.EXPECT().CancelAt(gomock.Any())
s.firstReservation.EXPECT().OK().Return(true).AnyTimes()
s.firstRateLimiter.EXPECT().ReserveN(gomock.Any(), numToken).Return(s.firstReservation)
s.secondReservation.EXPECT().OK().Return(true).AnyTimes()
s.secondRateLimiter.EXPECT().ReserveN(gomock.Any(), numToken).Return(s.secondReservation)
result := s.rateLimiter.WaitN(ctx, numToken)
s.Error(result)
}
func (s *multiStageRateLimiterSuite) TestWaitN_NotExpired_WithExpiration_Cancelled() {
ctx, cancel := context.WithTimeout(context.Background(), 100*time.Second)
numToken := 4
go func() {
time.Sleep(4 * time.Second)
cancel()
}()
firstReservationDelay := 20 * time.Second
secondReservationDelay := 30 * time.Second
s.firstReservation.EXPECT().DelayFrom(gomock.Any()).Return(firstReservationDelay).AnyTimes()
s.secondReservation.EXPECT().DelayFrom(gomock.Any()).Return(secondReservationDelay).AnyTimes()
s.firstReservation.EXPECT().CancelAt(gomock.Any())
s.secondReservation.EXPECT().CancelAt(gomock.Any())
s.firstReservation.EXPECT().OK().Return(true).AnyTimes()
s.firstRateLimiter.EXPECT().ReserveN(gomock.Any(), numToken).Return(s.firstReservation)
s.secondReservation.EXPECT().OK().Return(true).AnyTimes()
s.secondRateLimiter.EXPECT().ReserveN(gomock.Any(), numToken).Return(s.secondReservation)
result := s.rateLimiter.WaitN(ctx, numToken)
s.Error(result)
}
func (s *multiStageRateLimiterSuite) TestWaitN_NotExpired_WithExpiration_NoError() {
ctx, cancel := context.WithTimeout(context.Background(), 4*time.Second)
defer cancel()
numToken := 4
firstReservationDelay := 2 * time.Second
secondReservationDelay := 3 * time.Second
s.firstReservation.EXPECT().DelayFrom(gomock.Any()).Return(firstReservationDelay).AnyTimes()
s.secondReservation.EXPECT().DelayFrom(gomock.Any()).Return(secondReservationDelay).AnyTimes()
s.firstReservation.EXPECT().OK().Return(true).AnyTimes()
s.firstRateLimiter.EXPECT().ReserveN(gomock.Any(), numToken).Return(s.firstReservation)
s.secondReservation.EXPECT().OK().Return(true).AnyTimes()
s.secondRateLimiter.EXPECT().ReserveN(gomock.Any(), numToken).Return(s.secondReservation)
result := s.rateLimiter.WaitN(ctx, numToken)
s.NoError(result)
}
func (s *multiStageRateLimiterSuite) TestWaitN_NotExpired_WithoutExpiration() {
ctx := context.Background()
numToken := 4
firstReservationDelay := 2 * time.Second
secondReservationDelay := 3 * time.Second
s.firstReservation.EXPECT().DelayFrom(gomock.Any()).Return(firstReservationDelay).AnyTimes()
s.secondReservation.EXPECT().DelayFrom(gomock.Any()).Return(secondReservationDelay).AnyTimes()
s.firstReservation.EXPECT().OK().Return(true).AnyTimes()
s.firstRateLimiter.EXPECT().ReserveN(gomock.Any(), numToken).Return(s.firstReservation)
s.secondReservation.EXPECT().OK().Return(true).AnyTimes()
s.secondRateLimiter.EXPECT().ReserveN(gomock.Any(), numToken).Return(s.secondReservation)
result := s.rateLimiter.WaitN(ctx, numToken)
s.NoError(result)
}
func (s *multiStageRateLimiterSuite) TestRate() {
firstRateLimiterRate := float64(10)
secondRateLimiterRate := float64(5)
s.firstRateLimiter.EXPECT().Rate().Return(firstRateLimiterRate).AnyTimes()
s.secondRateLimiter.EXPECT().Rate().Return(secondRateLimiterRate).AnyTimes()
result := s.rateLimiter.Rate()
s.Equal(secondRateLimiterRate, result)
}
func (s *multiStageRateLimiterSuite) TestBurst() {
firstRateLimiterBurst := 5
secondRateLimiterBurst := 10
s.firstRateLimiter.EXPECT().Burst().Return(firstRateLimiterBurst).AnyTimes()
s.secondRateLimiter.EXPECT().Burst().Return(secondRateLimiterBurst).AnyTimes()
result := s.rateLimiter.Burst()
s.Equal(firstRateLimiterBurst, result)
}