go.temporal.io/server@v1.23.0/common/quotas/rate_limiter_impl_test.go (about)

     1  // The MIT License
     2  //
     3  // Copyright (c) 2020 Temporal Technologies Inc.  All rights reserved.
     4  //
     5  // Copyright (c) 2020 Uber Technologies, Inc.
     6  //
     7  // Permission is hereby granted, free of charge, to any person obtaining a copy
     8  // of this software and associated documentation files (the "Software"), to deal
     9  // in the Software without restriction, including without limitation the rights
    10  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    11  // copies of the Software, and to permit persons to whom the Software is
    12  // furnished to do so, subject to the following conditions:
    13  //
    14  // The above copyright notice and this permission notice shall be included in
    15  // all copies or substantial portions of the Software.
    16  //
    17  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    18  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    19  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    20  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    21  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    22  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    23  // THE SOFTWARE.
    24  
    25  package quotas
    26  
    27  import (
    28  	"testing"
    29  
    30  	"github.com/stretchr/testify/require"
    31  	"github.com/stretchr/testify/suite"
    32  )
    33  
    34  type (
    35  	rateLimiterSuite struct {
    36  		suite.Suite
    37  		*require.Assertions
    38  	}
    39  )
    40  
    41  func TestRateLimiterSuite(t *testing.T) {
    42  	s := new(rateLimiterSuite)
    43  	suite.Run(t, s)
    44  }
    45  
    46  func (s *rateLimiterSuite) SetupSuite() {
    47  
    48  }
    49  
    50  func (s *rateLimiterSuite) TearDownSuite() {
    51  
    52  }
    53  
    54  func (s *rateLimiterSuite) SetupTest() {
    55  	s.Assertions = require.New(s.T())
    56  }
    57  
    58  func (s *rateLimiterSuite) TearDownTest() {
    59  
    60  }
    61  
    62  func (s *rateLimiterSuite) TestSetRate_Same() {
    63  	rateLimiter := NewRateLimiter(testRate, testBurst)
    64  
    65  	rateLimiterBefore := rateLimiter.ClockedRateLimiter
    66  	rateLimiter.SetRPS(testRate)
    67  	rateLimiterAfter := rateLimiter.ClockedRateLimiter
    68  	s.Equal(testRate, rateLimiter.Rate())
    69  	s.Equal(testBurst, rateLimiter.Burst())
    70  	s.Equal(rateLimiterBefore, rateLimiterAfter)
    71  }
    72  
    73  func (s *rateLimiterSuite) TestSetRate_Diff() {
    74  	rateLimiter := NewRateLimiter(testRate, testBurst)
    75  
    76  	newRate := testRate * 2
    77  	rateLimiter.SetRPS(newRate)
    78  	s.Equal(newRate, rateLimiter.Rate())
    79  	s.Equal(testBurst, rateLimiter.Burst())
    80  }
    81  
    82  func (s *rateLimiterSuite) TestSetBurst_Same() {
    83  	rateLimiter := NewRateLimiter(testRate, testBurst)
    84  
    85  	rateLimiterBefore := rateLimiter.ClockedRateLimiter
    86  	rateLimiter.SetBurst(testBurst)
    87  	rateLimiterAfter := rateLimiter.ClockedRateLimiter
    88  	s.Equal(testRate, rateLimiter.Rate())
    89  	s.Equal(testBurst, rateLimiter.Burst())
    90  	s.Equal(rateLimiterBefore, rateLimiterAfter)
    91  }
    92  
    93  func (s *rateLimiterSuite) TestSetBurst_Diff() {
    94  	rateLimiter := NewRateLimiter(testRate, testBurst)
    95  
    96  	newBurst := testBurst * 2
    97  	rateLimiter.SetBurst(newBurst)
    98  	s.Equal(testRate, rateLimiter.Rate())
    99  	s.Equal(newBurst, rateLimiter.Burst())
   100  }
   101  
   102  func (s *rateLimiterSuite) TestSetRateBurst_Same() {
   103  	rateLimiter := NewRateLimiter(testRate, testBurst)
   104  
   105  	rateLimiterBefore := rateLimiter.ClockedRateLimiter
   106  	rateLimiter.SetRateBurst(rateLimiter.Rate(), rateLimiter.Burst())
   107  	rateLimiterAfter := rateLimiter.ClockedRateLimiter
   108  	s.Equal(testRate, rateLimiter.Rate())
   109  	s.Equal(testBurst, rateLimiter.Burst())
   110  	s.Equal(rateLimiterBefore, rateLimiterAfter)
   111  }
   112  
   113  func (s *rateLimiterSuite) TestSetRateBurst_Diff() {
   114  	rateLimiter := NewRateLimiter(testRate, testBurst)
   115  
   116  	newRate := rateLimiter.Rate() * 2
   117  	newBurst := rateLimiter.Burst()
   118  	rateLimiter.SetRateBurst(newRate, newBurst)
   119  	s.Equal(newRate, rateLimiter.Rate())
   120  	s.Equal(newBurst, rateLimiter.Burst())
   121  
   122  	newRate = rateLimiter.Rate()
   123  	newBurst = rateLimiter.Burst() * 2
   124  	rateLimiter.SetRateBurst(newRate, newBurst)
   125  	s.Equal(newRate, rateLimiter.Rate())
   126  	s.Equal(newBurst, rateLimiter.Burst())
   127  
   128  	newRate = rateLimiter.Rate() * 2
   129  	newBurst = rateLimiter.Burst() * 2
   130  	rateLimiter.SetRateBurst(newRate, newBurst)
   131  	s.Equal(newRate, rateLimiter.Rate())
   132  	s.Equal(newBurst, rateLimiter.Burst())
   133  }