Matteo Scandolo | 4b077aa | 2021-02-16 17:33:37 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2018-present Open Networking Foundation |
| 3 | |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package devices |
| 18 | |
| 19 | import ( |
David K. Bainbridge | c415efe | 2021-08-19 13:05:21 +0000 | [diff] [blame^] | 20 | "github.com/opencord/voltha-protos/v5/go/openolt" |
Matteo Scandolo | 4b077aa | 2021-02-16 17:33:37 -0800 | [diff] [blame] | 21 | "github.com/stretchr/testify/assert" |
| 22 | "sync" |
| 23 | "testing" |
| 24 | ) |
| 25 | |
| 26 | var sn1 = NewSN(0, 0, 1) |
| 27 | var sn2 = NewSN(0, 0, 2) |
| 28 | var sn3 = NewSN(0, 0, 3) |
| 29 | |
| 30 | // NOTE that we are using a benchmark test to actually test concurrency |
| 31 | func Benchmark_storeGemPort(b *testing.B) { |
| 32 | pon := PonPort{ |
| 33 | AllocatedGemPorts: make(map[uint16]*openolt.SerialNumber), |
| 34 | } |
| 35 | |
| 36 | wg := sync.WaitGroup{} |
| 37 | wg.Add(3) |
| 38 | |
| 39 | // concurrently add multiple ports |
| 40 | go func(wg *sync.WaitGroup) { pon.storeGemPort(1, sn1); wg.Done() }(&wg) |
| 41 | go func(wg *sync.WaitGroup) { pon.storeGemPort(2, sn2); wg.Done() }(&wg) |
| 42 | go func(wg *sync.WaitGroup) { pon.storeGemPort(3, sn3); wg.Done() }(&wg) |
| 43 | |
| 44 | wg.Wait() |
| 45 | |
| 46 | assert.Equal(b, len(pon.AllocatedGemPorts), 3) |
| 47 | } |
| 48 | |
| 49 | func Benchmark_removeGemPort(b *testing.B) { |
| 50 | pon := PonPort{ |
| 51 | AllocatedGemPorts: make(map[uint16]*openolt.SerialNumber), |
| 52 | } |
| 53 | |
| 54 | pon.storeGemPort(1, sn1) |
| 55 | pon.storeGemPort(2, sn2) |
| 56 | pon.storeGemPort(3, sn3) |
| 57 | |
| 58 | assert.Equal(b, len(pon.AllocatedGemPorts), 3) |
| 59 | |
| 60 | wg := sync.WaitGroup{} |
| 61 | wg.Add(3) |
| 62 | |
| 63 | // concurrently add multiple ports |
| 64 | go func(wg *sync.WaitGroup) { pon.removeGemPort(1); wg.Done() }(&wg) |
| 65 | go func(wg *sync.WaitGroup) { pon.removeGemPort(2); wg.Done() }(&wg) |
| 66 | go func(wg *sync.WaitGroup) { pon.removeGemPort(3); wg.Done() }(&wg) |
| 67 | |
| 68 | wg.Wait() |
| 69 | |
| 70 | assert.Equal(b, len(pon.AllocatedGemPorts), 0) |
| 71 | } |
| 72 | |
| 73 | func Test_removeGemPort(t *testing.T) { |
| 74 | pon := &PonPort{ |
| 75 | AllocatedGemPorts: make(map[uint16]*openolt.SerialNumber), |
| 76 | } |
| 77 | |
| 78 | pon.storeGemPort(1, sn1) |
| 79 | pon.storeGemPort(2, sn2) |
| 80 | assert.Equal(t, len(pon.AllocatedGemPorts), 2) |
| 81 | |
| 82 | // remove a non exiting gemPort |
| 83 | pon.removeGemPort(3) |
| 84 | assert.Equal(t, len(pon.AllocatedGemPorts), 2) |
| 85 | |
| 86 | // remove an existing gemPort |
| 87 | pon.removeGemPort(1) |
| 88 | assert.Equal(t, len(pon.AllocatedGemPorts), 1) |
| 89 | |
| 90 | } |
| 91 | |
| 92 | func Test_removeGemPortBySn(t *testing.T) { |
| 93 | pon := &PonPort{ |
| 94 | AllocatedGemPorts: make(map[uint16]*openolt.SerialNumber), |
| 95 | } |
| 96 | |
| 97 | pon.storeGemPort(1, sn1) |
| 98 | pon.storeGemPort(2, sn2) |
| 99 | assert.Equal(t, len(pon.AllocatedGemPorts), 2) |
| 100 | |
| 101 | // remove a non exiting gemPort |
| 102 | pon.removeGemPortBySn(sn1) |
| 103 | assert.Equal(t, len(pon.AllocatedGemPorts), 1) |
| 104 | assert.Nil(t, pon.AllocatedGemPorts[1]) |
| 105 | assert.Equal(t, pon.AllocatedGemPorts[2], sn2) |
| 106 | } |
| 107 | |
| 108 | func Test_isGemPortAllocated(t *testing.T) { |
| 109 | pon := &PonPort{ |
| 110 | AllocatedGemPorts: make(map[uint16]*openolt.SerialNumber), |
| 111 | } |
| 112 | |
| 113 | pon.storeGemPort(1, sn1) |
| 114 | |
| 115 | assert.Equal(t, len(pon.AllocatedGemPorts), 1) |
| 116 | |
| 117 | free, sn := pon.isGemPortAllocated(1) |
| 118 | |
| 119 | assert.Equal(t, free, true) |
| 120 | assert.Equal(t, sn, sn1) |
| 121 | |
| 122 | used, sn_ := pon.isGemPortAllocated(2) |
| 123 | |
| 124 | assert.Equal(t, used, false) |
| 125 | assert.Nil(t, sn_) |
| 126 | } |
| 127 | |
| 128 | // the allocId is never removed, is always set to either 255 or 65535 |
| 129 | func Test_removeAllocId(t *testing.T) { |
| 130 | |
| 131 | const ( |
| 132 | allocId1 = 1024 |
| 133 | allocId2 = 1025 |
| 134 | ) |
| 135 | |
| 136 | pon := &PonPort{ |
| 137 | AllocatedAllocIds: make(map[uint16]*openolt.SerialNumber), |
| 138 | } |
| 139 | |
| 140 | pon.AllocatedAllocIds[allocId1] = sn1 |
| 141 | pon.AllocatedAllocIds[allocId2] = sn2 |
| 142 | |
| 143 | assert.Equal(t, len(pon.AllocatedAllocIds), 2) |
| 144 | |
| 145 | pon.removeAllocId(sn1) |
| 146 | |
| 147 | assert.Equal(t, len(pon.AllocatedAllocIds), 1) |
| 148 | assert.Nil(t, pon.AllocatedAllocIds[allocId1]) |
| 149 | assert.Equal(t, pon.AllocatedAllocIds[allocId2], sn2) |
| 150 | |
| 151 | } |