go.temporal.io/server@v1.23.0/common/quotas/cluster_aware_quota_calculator_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_test
    26  
    27  import (
    28  	"testing"
    29  
    30  	"github.com/stretchr/testify/assert"
    31  	"go.temporal.io/server/common/dynamicconfig"
    32  	"go.temporal.io/server/common/quotas"
    33  	"go.temporal.io/server/common/quotas/quotastest"
    34  )
    35  
    36  type quotaCalculatorTestCase struct {
    37  	name          string
    38  	memberCounter quotas.MemberCounter
    39  	instanceLimit int
    40  	clusterLimit  int
    41  	expected      float64
    42  }
    43  
    44  var quotaCalculatorTestCases = []quotaCalculatorTestCase{
    45  	{
    46  		name:          "both limits set",
    47  		memberCounter: quotastest.NewFakeMemberCounter(4),
    48  		instanceLimit: 10,
    49  		clusterLimit:  20,
    50  		expected:      5.0,
    51  	},
    52  	{
    53  		name:          "no per cluster limit",
    54  		memberCounter: quotastest.NewFakeMemberCounter(4),
    55  		instanceLimit: 10,
    56  		clusterLimit:  0,
    57  		expected:      10.0,
    58  	},
    59  	{
    60  		name:          "no hosts",
    61  		memberCounter: quotastest.NewFakeMemberCounter(0),
    62  		instanceLimit: 10,
    63  		clusterLimit:  20,
    64  		expected:      10.0,
    65  	},
    66  	{
    67  		name:          "nil member counter",
    68  		memberCounter: nil,
    69  		instanceLimit: 10,
    70  		clusterLimit:  20,
    71  		expected:      10.0,
    72  	},
    73  }
    74  
    75  func TestClusterAwareQuotaCalculator_GetQuota(t *testing.T) {
    76  	t.Parallel()
    77  
    78  	for _, tc := range quotaCalculatorTestCases {
    79  		tc := tc
    80  		t.Run(tc.name, func(t *testing.T) {
    81  			t.Parallel()
    82  
    83  			assert.Equal(t, tc.expected, quotas.ClusterAwareQuotaCalculator{
    84  				MemberCounter:    tc.memberCounter,
    85  				PerInstanceQuota: dynamicconfig.GetIntPropertyFn(tc.instanceLimit),
    86  				GlobalQuota:      dynamicconfig.GetIntPropertyFn(tc.clusterLimit),
    87  			}.GetQuota())
    88  
    89  		})
    90  	}
    91  }
    92  
    93  type perNamespaceQuota struct {
    94  	t     *testing.T
    95  	quota int
    96  }
    97  
    98  func (l perNamespaceQuota) getQuota(ns string) int {
    99  	if ns != "test-namespace" {
   100  		l.t.Errorf("unexpected namespace: %s", ns)
   101  	}
   102  	return l.quota
   103  }
   104  
   105  func TestClusterAwareNamespaceSpecificQuotaCalculator_GetQuota(t *testing.T) {
   106  	t.Parallel()
   107  
   108  	for _, tc := range quotaCalculatorTestCases {
   109  		tc := tc
   110  		t.Run(tc.name, func(t *testing.T) {
   111  			t.Parallel()
   112  
   113  			instanceLimit := perNamespaceQuota{t: t, quota: tc.instanceLimit}
   114  
   115  			clusterLimit := perNamespaceQuota{t: t, quota: tc.clusterLimit}
   116  
   117  			assert.Equal(t, tc.expected, quotas.ClusterAwareNamespaceSpecificQuotaCalculator{
   118  				MemberCounter:    tc.memberCounter,
   119  				PerInstanceQuota: instanceLimit.getQuota,
   120  				GlobalQuota:      clusterLimit.getQuota,
   121  			}.GetQuota("test-namespace"))
   122  		})
   123  	}
   124  }