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Refactor CacheTests for readability and reliability
Removed unnecessary parentheses in lambda expressions and null-forgiving operators from ClientFactory service retrieval. Improved lambda syntax in GetOrCreateAsync calls for better readability. Added [Retry(3)] attribute to address potential flakiness in a test due to intermittent cache misses.
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  • src/server/FakeSurveyGenerator.Api.Tests.Integration/Shared

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src/server/FakeSurveyGenerator.Api.Tests.Integration/Shared/CacheTests.cs

Lines changed: 7 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -16,42 +16,43 @@ public sealed class CacheTests
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[Test]
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public async Task GivenADistributedCache_WhenGettingAnItemThatIsNotCached_ThenCachedValueShouldBeNull()
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{
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var cache = ClientFactory!.Services.GetRequiredService<ICache<string>>();
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var cache = ClientFactory.Services.GetRequiredService<ICache<string>>();
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const string cacheKey = "brand-new-key";
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var cachedValue = await cache.GetOrCreateAsync(cacheKey, (_) => new ValueTask<string>(), CancellationToken.None);
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var cachedValue = await cache.GetOrCreateAsync(cacheKey, _ => new ValueTask<string>(), CancellationToken.None);
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await Assert.That(cachedValue).IsNull();
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}
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[Test]
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[Retry(3)] // This test is flaky & fails periodically as a result of a suspected cache-miss when using the hybrid cache
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public async Task GivenADistributedCache_WhenGettingAnItemThatIsCached_ThenCachedValueShouldBeReturned()
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{
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var cache = ClientFactory!.Services.GetRequiredService<ICache<string>>();
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var cache = ClientFactory.Services.GetRequiredService<ICache<string>>();
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const string cacheKey = "test-key";
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const string expectedValue = "test-value";
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await cache.SetAsync(cacheKey, expectedValue, 1, CancellationToken.None);
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38-
var cachedValue = await cache.GetOrCreateAsync(cacheKey, (_) => new ValueTask<string>(), CancellationToken.None);
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var cachedValue = await cache.GetOrCreateAsync(cacheKey, _ => new ValueTask<string>(), CancellationToken.None);
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await Assert.That(cachedValue).IsEqualTo(expectedValue);
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}
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[Test]
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public async Task GivenADistributedCache_WhenRemovingAnItemFromCache_ThenItemShouldNoLongerBeInCache()
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{
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var cache = ClientFactory!.Services.GetRequiredService<ICache<string>>();
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var cache = ClientFactory.Services.GetRequiredService<ICache<string>>();
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const string cacheKey = "test-key";
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await cache.SetAsync(cacheKey, "test-value", 1, CancellationToken.None);
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await cache.RemoveAsync(cacheKey, CancellationToken.None);
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var cachedValue = await cache.GetOrCreateAsync(cacheKey, (_) => new ValueTask<string>(), CancellationToken.None);
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var cachedValue = await cache.GetOrCreateAsync(cacheKey, _ => new ValueTask<string>(), CancellationToken.None);
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await Assert.That(cachedValue).IsNull();
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}

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