|
| 1 | +using System; |
| 2 | +using System.Linq; |
| 3 | +using System.Threading; |
| 4 | +using System.Threading.Tasks; |
| 5 | +using Microsoft.Extensions.Logging.Abstractions; |
| 6 | +using NUnit.Framework; |
| 7 | +using PathfinderHonorManager.Model; |
| 8 | +using PathfinderHonorManager.Service; |
| 9 | + |
| 10 | +namespace PathfinderHonorManager.Tests.Service |
| 11 | +{ |
| 12 | + [TestFixture] |
| 13 | + public class InMemoryGradeChangeQueueTests |
| 14 | + { |
| 15 | + private InMemoryGradeChangeQueue _queue; |
| 16 | + |
| 17 | + [SetUp] |
| 18 | + public void SetUp() |
| 19 | + { |
| 20 | + _queue = new InMemoryGradeChangeQueue(NullLogger<InMemoryGradeChangeQueue>.Instance); |
| 21 | + } |
| 22 | + |
| 23 | + [Test] |
| 24 | + public async Task TryEnqueueAsync_WithValidEvent_ReturnsTrue() |
| 25 | + { |
| 26 | + var gradeChange = new GradeChangeEvent(Guid.NewGuid(), 5, 6); |
| 27 | + |
| 28 | + var result = await _queue.TryEnqueueAsync(gradeChange); |
| 29 | + |
| 30 | + Assert.That(result, Is.True); |
| 31 | + } |
| 32 | + |
| 33 | + [Test] |
| 34 | + public async Task TryEnqueueAsync_WithDuplicatePathfinderId_ReturnsFalse() |
| 35 | + { |
| 36 | + var pathfinderId = Guid.NewGuid(); |
| 37 | + var gradeChange1 = new GradeChangeEvent(pathfinderId, 5, 6); |
| 38 | + var gradeChange2 = new GradeChangeEvent(pathfinderId, 6, 7); |
| 39 | + |
| 40 | + await _queue.TryEnqueueAsync(gradeChange1); |
| 41 | + var result = await _queue.TryEnqueueAsync(gradeChange2); |
| 42 | + |
| 43 | + Assert.That(result, Is.False); |
| 44 | + } |
| 45 | + |
| 46 | + [Test] |
| 47 | + public void TryEnqueueAsync_WithNullEvent_ThrowsArgumentNullException() |
| 48 | + { |
| 49 | + Assert.ThrowsAsync<ArgumentNullException>(async () => |
| 50 | + await _queue.TryEnqueueAsync(null)); |
| 51 | + } |
| 52 | + |
| 53 | + [Test] |
| 54 | + public async Task DequeueAllAsync_ReturnsEnqueuedItems() |
| 55 | + { |
| 56 | + var gradeChange1 = new GradeChangeEvent(Guid.NewGuid(), 5, 6); |
| 57 | + var gradeChange2 = new GradeChangeEvent(Guid.NewGuid(), 6, 7); |
| 58 | + await _queue.TryEnqueueAsync(gradeChange1); |
| 59 | + await _queue.TryEnqueueAsync(gradeChange2); |
| 60 | + |
| 61 | + var items = await _queue.DequeueAllAsync(10); |
| 62 | + |
| 63 | + Assert.That(items.Count(), Is.EqualTo(2)); |
| 64 | + } |
| 65 | + |
| 66 | + [Test] |
| 67 | + public async Task DequeueAllAsync_ReturnsItemsInFIFOOrder() |
| 68 | + { |
| 69 | + var pathfinderId1 = Guid.NewGuid(); |
| 70 | + var pathfinderId2 = Guid.NewGuid(); |
| 71 | + var pathfinderId3 = Guid.NewGuid(); |
| 72 | + |
| 73 | + var gradeChange1 = new GradeChangeEvent(pathfinderId1, 5, 6); |
| 74 | + var gradeChange2 = new GradeChangeEvent(pathfinderId2, 6, 7); |
| 75 | + var gradeChange3 = new GradeChangeEvent(pathfinderId3, 7, 8); |
| 76 | + |
| 77 | + await _queue.TryEnqueueAsync(gradeChange1); |
| 78 | + await _queue.TryEnqueueAsync(gradeChange2); |
| 79 | + await _queue.TryEnqueueAsync(gradeChange3); |
| 80 | + |
| 81 | + var items = (await _queue.DequeueAllAsync(10)).ToList(); |
| 82 | + |
| 83 | + Assert.That(items[0].PathfinderId, Is.EqualTo(pathfinderId1)); |
| 84 | + Assert.That(items[1].PathfinderId, Is.EqualTo(pathfinderId2)); |
| 85 | + Assert.That(items[2].PathfinderId, Is.EqualTo(pathfinderId3)); |
| 86 | + } |
| 87 | + |
| 88 | + [Test] |
| 89 | + public async Task DequeueAllAsync_RespectsMaxItems() |
| 90 | + { |
| 91 | + var gradeChange1 = new GradeChangeEvent(Guid.NewGuid(), 5, 6); |
| 92 | + var gradeChange2 = new GradeChangeEvent(Guid.NewGuid(), 6, 7); |
| 93 | + var gradeChange3 = new GradeChangeEvent(Guid.NewGuid(), 7, 8); |
| 94 | + |
| 95 | + await _queue.TryEnqueueAsync(gradeChange1); |
| 96 | + await _queue.TryEnqueueAsync(gradeChange2); |
| 97 | + await _queue.TryEnqueueAsync(gradeChange3); |
| 98 | + |
| 99 | + var items = await _queue.DequeueAllAsync(2); |
| 100 | + |
| 101 | + Assert.That(items.Count(), Is.EqualTo(2)); |
| 102 | + } |
| 103 | + |
| 104 | + [Test] |
| 105 | + public async Task DequeueAllAsync_EmptyQueue_ReturnsEmptyCollection() |
| 106 | + { |
| 107 | + var items = await _queue.DequeueAllAsync(10); |
| 108 | + |
| 109 | + Assert.That(items, Is.Empty); |
| 110 | + } |
| 111 | + |
| 112 | + [Test] |
| 113 | + public async Task GetCountAsync_ReturnsCorrectCount() |
| 114 | + { |
| 115 | + var gradeChange1 = new GradeChangeEvent(Guid.NewGuid(), 5, 6); |
| 116 | + var gradeChange2 = new GradeChangeEvent(Guid.NewGuid(), 6, 7); |
| 117 | + |
| 118 | + await _queue.TryEnqueueAsync(gradeChange1); |
| 119 | + await _queue.TryEnqueueAsync(gradeChange2); |
| 120 | + |
| 121 | + var count = await _queue.GetCountAsync(); |
| 122 | + |
| 123 | + Assert.That(count, Is.EqualTo(2)); |
| 124 | + } |
| 125 | + |
| 126 | + [Test] |
| 127 | + public async Task GetCountAsync_EmptyQueue_ReturnsZero() |
| 128 | + { |
| 129 | + var count = await _queue.GetCountAsync(); |
| 130 | + |
| 131 | + Assert.That(count, Is.EqualTo(0)); |
| 132 | + } |
| 133 | + |
| 134 | + [Test] |
| 135 | + public async Task DequeueAllAsync_RemovesItemsFromQueue() |
| 136 | + { |
| 137 | + var gradeChange = new GradeChangeEvent(Guid.NewGuid(), 5, 6); |
| 138 | + await _queue.TryEnqueueAsync(gradeChange); |
| 139 | + |
| 140 | + await _queue.DequeueAllAsync(10); |
| 141 | + var count = await _queue.GetCountAsync(); |
| 142 | + |
| 143 | + Assert.That(count, Is.EqualTo(0)); |
| 144 | + } |
| 145 | + |
| 146 | + [Test] |
| 147 | + public async Task DequeueAllAsync_AllowsReEnqueueOfSamePathfinderId() |
| 148 | + { |
| 149 | + var pathfinderId = Guid.NewGuid(); |
| 150 | + var gradeChange1 = new GradeChangeEvent(pathfinderId, 5, 6); |
| 151 | + |
| 152 | + await _queue.TryEnqueueAsync(gradeChange1); |
| 153 | + await _queue.DequeueAllAsync(10); |
| 154 | + |
| 155 | + var gradeChange2 = new GradeChangeEvent(pathfinderId, 6, 7); |
| 156 | + var result = await _queue.TryEnqueueAsync(gradeChange2); |
| 157 | + |
| 158 | + Assert.That(result, Is.True); |
| 159 | + } |
| 160 | + |
| 161 | + [Test] |
| 162 | + public async Task ThreadSafety_MultipleConcurrentEnqueues_AllSucceed() |
| 163 | + { |
| 164 | + var tasks = Enumerable.Range(0, 10) |
| 165 | + .Select(i => Task.Run(async () => |
| 166 | + { |
| 167 | + var gradeChange = new GradeChangeEvent(Guid.NewGuid(), 5, 6); |
| 168 | + return await _queue.TryEnqueueAsync(gradeChange); |
| 169 | + })) |
| 170 | + .ToArray(); |
| 171 | + |
| 172 | + var results = await Task.WhenAll(tasks); |
| 173 | + var count = await _queue.GetCountAsync(); |
| 174 | + |
| 175 | + Assert.That(results.All(r => r), Is.True); |
| 176 | + Assert.That(count, Is.EqualTo(10)); |
| 177 | + } |
| 178 | + |
| 179 | + [Test] |
| 180 | + public async Task ThreadSafety_ConcurrentEnqueueAndDequeue_WorksCorrectly() |
| 181 | + { |
| 182 | + var enqueueTask = Task.Run(async () => |
| 183 | + { |
| 184 | + for (int i = 0; i < 20; i++) |
| 185 | + { |
| 186 | + var gradeChange = new GradeChangeEvent(Guid.NewGuid(), 5, 6); |
| 187 | + await _queue.TryEnqueueAsync(gradeChange); |
| 188 | + await Task.Delay(10); |
| 189 | + } |
| 190 | + }); |
| 191 | + |
| 192 | + var dequeueTask = Task.Run(async () => |
| 193 | + { |
| 194 | + for (int i = 0; i < 10; i++) |
| 195 | + { |
| 196 | + await Task.Delay(30); |
| 197 | + await _queue.DequeueAllAsync(2); |
| 198 | + } |
| 199 | + }); |
| 200 | + |
| 201 | + await Task.WhenAll(enqueueTask, dequeueTask); |
| 202 | + var finalCount = await _queue.GetCountAsync(); |
| 203 | + |
| 204 | + Assert.That(finalCount, Is.GreaterThanOrEqualTo(0)); |
| 205 | + } |
| 206 | + } |
| 207 | +} |
| 208 | + |
0 commit comments