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Added tests for visibility sampling wrapper (#5564)
* Simplify sampled visibility manager
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| Original file line number | Diff line number | Diff line change |
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| // The MIT License (MIT) | ||
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| // Copyright (c) 2017-2020 Uber Technologies Inc. | ||
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| // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| // of this software and associated documentation files (the "Software"), to deal | ||
| // in the Software without restriction, including without limitation the rights | ||
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| // copies of the Software, and to permit persons to whom the Software is | ||
| // furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in all | ||
| // copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| // SOFTWARE. | ||
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| package sampled | ||
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| import ( | ||
| "sync" | ||
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| "github.com/uber/cadence/common/clock" | ||
| "github.com/uber/cadence/common/dynamicconfig" | ||
| "github.com/uber/cadence/common/tokenbucket" | ||
| ) | ||
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| type RateLimiterFactoryFunc func(timeSource clock.TimeSource, numOfPriority int, qpsConfig dynamicconfig.IntPropertyFnWithDomainFilter) RateLimiterFactory | ||
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| type RateLimiterFactory interface { | ||
| GetRateLimiter(domain string) tokenbucket.PriorityTokenBucket | ||
| } | ||
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| type domainToBucketMap struct { | ||
| sync.RWMutex | ||
| timeSource clock.TimeSource | ||
| qpsConfig dynamicconfig.IntPropertyFnWithDomainFilter | ||
| numOfPriority int | ||
| mappings map[string]tokenbucket.PriorityTokenBucket | ||
| } | ||
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| // NewDomainToBucketMap returns a rate limiter factory. | ||
| func NewDomainToBucketMap(timeSource clock.TimeSource, numOfPriority int, qpsConfig dynamicconfig.IntPropertyFnWithDomainFilter) RateLimiterFactory { | ||
| return &domainToBucketMap{ | ||
| timeSource: timeSource, | ||
| qpsConfig: qpsConfig, | ||
| numOfPriority: numOfPriority, | ||
| mappings: make(map[string]tokenbucket.PriorityTokenBucket), | ||
| } | ||
| } | ||
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| func (m *domainToBucketMap) GetRateLimiter(domain string) tokenbucket.PriorityTokenBucket { | ||
| m.RLock() | ||
| rateLimiter, exist := m.mappings[domain] | ||
| m.RUnlock() | ||
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| if exist { | ||
| return rateLimiter | ||
| } | ||
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| m.Lock() | ||
| if rateLimiter, ok := m.mappings[domain]; ok { // read again to ensure no duplicate create | ||
| m.Unlock() | ||
| return rateLimiter | ||
| } | ||
| rateLimiter = tokenbucket.NewFullPriorityTokenBucket(m.numOfPriority, m.qpsConfig(domain), m.timeSource) | ||
| m.mappings[domain] = rateLimiter | ||
| m.Unlock() | ||
| return rateLimiter | ||
| } |
42 changes: 42 additions & 0 deletions
42
common/persistence/wrappers/sampled/tokenbucketfactory_test.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| // The MIT License (MIT) | ||
|
|
||
| // Copyright (c) 2017-2020 Uber Technologies Inc. | ||
|
|
||
| // Permission is hereby granted, free of charge, to any person obtaining a copy | ||
| // of this software and associated documentation files (the "Software"), to deal | ||
| // in the Software without restriction, including without limitation the rights | ||
| // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | ||
| // copies of the Software, and to permit persons to whom the Software is | ||
| // furnished to do so, subject to the following conditions: | ||
| // | ||
| // The above copyright notice and this permission notice shall be included in all | ||
| // copies or substantial portions of the Software. | ||
| // | ||
| // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | ||
| // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | ||
| // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | ||
| // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | ||
| // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, | ||
| // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE | ||
| // SOFTWARE. | ||
|
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| package sampled | ||
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| import ( | ||
| "testing" | ||
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| "github.com/stretchr/testify/assert" | ||
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| "github.com/uber/cadence/common/clock" | ||
| "github.com/uber/cadence/common/dynamicconfig" | ||
| ) | ||
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| func TestDomainToBucketMap(t *testing.T) { | ||
| mockedTime := clock.NewMockedTimeSource() | ||
| factory := NewDomainToBucketMap(mockedTime, 1, dynamicconfig.GetIntPropertyFilteredByDomain(1)) | ||
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| // Test that the factory returns the same bucket for the same domain | ||
| bucket1 := factory.GetRateLimiter("domain1") | ||
| bucket2 := factory.GetRateLimiter("domain1") | ||
| assert.Equal(t, bucket1, bucket2, "domain bucket should return the same bucket for the same domain") | ||
| } |
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