Creado apartir del commit b888de6c92056de294456f581a56e25e734d4ab7 de develop
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jrojas
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using System.Reflection;
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using adas_core.Application.Services.Caching;
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using adas_core.Domain.Models.AppSettings;
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using Microsoft.Extensions.Logging;
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using Moq;
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using Newtonsoft.Json;
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using StackExchange.Redis;
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using Options = Microsoft.Extensions.Options.Options;
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namespace adas_core.Test.Services;
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[TestFixture]
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public class RedisServiceTest
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{
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private record TestModel(string Name);
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private Mock<IDatabase> _mockDb = null!;
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private LockManagerService _lockMgr = null!;
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[SetUp]
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public void SetUp()
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{
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_mockDb = new Mock<IDatabase>();
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_lockMgr = new LockManagerService(
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new Mock<ILogger<LockManagerService>>().Object,
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new InMemoryLockProvider());
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}
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private RedisService CreateSut(CacheSettings? settings = null, bool redisAvailable = true)
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{
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var sut = new RedisService(
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Options.Create(settings ?? new CacheSettings()),
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new Mock<ILogger<RedisService>>().Object,
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_lockMgr);
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SetField(sut, "_database", _mockDb.Object);
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SetField(sut, "_isRedisAvailable", redisAvailable);
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return sut;
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}
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private static void SetField(object target, string name, object? value)
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=> typeof(RedisService)
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.GetField(name, BindingFlags.NonPublic | BindingFlags.Instance)!
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.SetValue(target, value);
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private void SetupStringSetAsync()
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=> _mockDb
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.Setup(db => db.StringSetAsync(
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It.IsAny<RedisKey>(), It.IsAny<RedisValue>(), It.IsAny<TimeSpan?>(),
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It.IsAny<bool>(), It.IsAny<When>(), It.IsAny<CommandFlags>()))
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.ReturnsAsync(true);
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private void SetupKeyExpire()
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=> _mockDb
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.Setup(db => db.KeyExpire(
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It.IsAny<RedisKey>(), It.IsAny<TimeSpan?>(),
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It.IsAny<ExpireWhen>(), It.IsAny<CommandFlags>()))
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.Returns(true);
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#region TC-38
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[Test]
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public async Task GetOrSetObjectAsync_ExecutesFactory_WhenRedisUnavailable()
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{
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var sut = CreateSut(redisAvailable: false);
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var factoryInvoked = false;
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var result = await sut.GetOrSetObjectAsync<string>(
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"patients:latestObs:abc",
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() => { factoryInvoked = true; return Task.FromResult("result"); });
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Assert.That(factoryInvoked, Is.True);
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Assert.That(result, Is.EqualTo("result"));
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_mockDb.Verify(db => db.StringGetAsync(It.IsAny<RedisKey>(), It.IsAny<CommandFlags>()), Times.Never);
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_mockDb.Verify(db => db.StringSetAsync(It.IsAny<RedisKey>(), It.IsAny<RedisValue>(), It.IsAny<TimeSpan?>(), It.IsAny<bool>(), It.IsAny<When>(), It.IsAny<CommandFlags>()), Times.Never);
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}
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#endregion
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#region TC-39
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[Test]
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public async Task GetOrSetObjectAsync_ReturnsCachedObject_WhenRedisHit()
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{
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var cached = new TestModel("cached");
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_mockDb.Setup(db => db.StringGetAsync(It.IsAny<RedisKey>(), It.IsAny<CommandFlags>()))
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.ReturnsAsync((RedisValue)JsonConvert.SerializeObject(cached));
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SetupKeyExpire();
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var sut = CreateSut();
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var factoryInvoked = false;
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var result = await sut.GetOrSetObjectAsync<TestModel>(
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"patients:latestObs:abc",
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() => { factoryInvoked = true; return Task.FromResult(new TestModel("fresh")); });
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Assert.That(factoryInvoked, Is.False);
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Assert.That(result?.Name, Is.EqualTo("cached"));
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_mockDb.Verify(db => db.StringSetAsync(It.IsAny<RedisKey>(), It.IsAny<RedisValue>(), It.IsAny<TimeSpan?>(), It.IsAny<bool>(), It.IsAny<When>(), It.IsAny<CommandFlags>()), Times.Never);
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}
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#endregion
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#region TC-40
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[Test]
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public async Task GetObjectAsync_CallsKeyExpire_WhenUpdateExpirationIsTrue()
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{
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var settings = new CacheSettings
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{
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Redis = new RedisSettings { Ttl = new TtlSettings { PatientsSeconds = 300 } }
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};
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_mockDb.Setup(db => db.StringGetAsync(It.IsAny<RedisKey>(), It.IsAny<CommandFlags>()))
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.ReturnsAsync((RedisValue)JsonConvert.SerializeObject(new TestModel("hit")));
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SetupKeyExpire();
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var sut = CreateSut(settings);
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await sut.GetObjectAsync<TestModel>("patients:latestObs:abc", updateExpiration: true);
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_mockDb.Verify(
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db => db.KeyExpire(
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It.IsAny<RedisKey>(),
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It.Is<TimeSpan?>(t => t == TimeSpan.FromSeconds(300)),
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It.IsAny<ExpireWhen>(),
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It.IsAny<CommandFlags>()),
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Times.Once);
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}
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[Test]
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public async Task GetObjectAsync_DoesNotCallKeyExpire_WhenUpdateExpirationIsFalse()
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{
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_mockDb.Setup(db => db.StringGetAsync(It.IsAny<RedisKey>(), It.IsAny<CommandFlags>()))
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.ReturnsAsync((RedisValue)JsonConvert.SerializeObject(new TestModel("hit")));
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var sut = CreateSut();
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await sut.GetObjectAsync<TestModel>("patients:latestObs:abc", updateExpiration: false);
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_mockDb.Verify(
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db => db.KeyExpire(It.IsAny<RedisKey>(), It.IsAny<TimeSpan?>(), It.IsAny<ExpireWhen>(), It.IsAny<CommandFlags>()),
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Times.Never);
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}
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#endregion
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#region TC-41
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[Test]
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public async Task GetOrSetObjectAsync_InvokesFactoryAndPersists_WhenCacheMiss()
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{
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var settings = new CacheSettings
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{
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Redis = new RedisSettings { Ttl = new TtlSettings { PatientsSeconds = 300, PatientObservationsSeconds = 300} }
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};
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_mockDb.Setup(db => db.StringGetAsync(It.IsAny<RedisKey>(), It.IsAny<CommandFlags>()))
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.ReturnsAsync(RedisValue.Null);
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SetupStringSetAsync();
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var sut = CreateSut(settings);
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var expected = new TestModel("fresh");
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var factoryInvoked = false;
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var result = await sut.GetOrSetObjectAsync<TestModel>(
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"patients:latestObs:abc",
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() => { factoryInvoked = true; return Task.FromResult(expected); });
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var expectedJson = JsonConvert.SerializeObject(expected);
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Assert.That(factoryInvoked, Is.True);
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Assert.That(result?.Name, Is.EqualTo("fresh"));
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_mockDb.Verify(
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db => db.StringSetAsync(
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It.IsAny<RedisKey>(),
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It.IsAny<RedisValue>(),
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It.Is<TimeSpan?>(t => t == TimeSpan.FromSeconds(300)),
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It.IsAny<bool>(),
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It.IsAny<When>(),
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It.IsAny<CommandFlags>()),
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Times.Once);
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It.Is<RedisValue>(v => v.Equals(expectedJson));
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}
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#endregion
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#region TC-42
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[Test]
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public async Task GetOrSetObjectAsync_DoesNotPersist_WhenFactoryReturnsNull()
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{
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_mockDb.Setup(db => db.StringGetAsync(It.IsAny<RedisKey>(), It.IsAny<CommandFlags>()))
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.ReturnsAsync(RedisValue.Null);
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var sut = CreateSut();
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var result = await sut.GetOrSetObjectAsync<TestModel?>(
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"patients:latestObs:abc",
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() => Task.FromResult<TestModel?>(null));
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Assert.That(result, Is.Null);
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_mockDb.Verify(
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db => db.StringSetAsync(It.IsAny<RedisKey>(), It.IsAny<RedisValue>(), It.IsAny<TimeSpan?>(), It.IsAny<bool>(), It.IsAny<When>(), It.IsAny<CommandFlags>()),
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Times.Never);
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}
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#endregion
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#region TC-43
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[Test]
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public async Task GetObjectAsync_ReturnsObject_AndSkipsKeyExpire_WhenUpdateExpirationFalse()
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{
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var expected = new TestModel("data");
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_mockDb.Setup(db => db.StringGetAsync(It.IsAny<RedisKey>(), It.IsAny<CommandFlags>()))
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.ReturnsAsync((RedisValue)JsonConvert.SerializeObject(expected));
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var sut = CreateSut();
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var result = await sut.GetObjectAsync<TestModel>("patients:latestObs:abc", updateExpiration: false);
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Assert.That(result?.Name, Is.EqualTo("data"));
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_mockDb.Verify(
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db => db.KeyExpire(It.IsAny<RedisKey>(), It.IsAny<TimeSpan?>(), It.IsAny<ExpireWhen>(), It.IsAny<CommandFlags>()),
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Times.Never);
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}
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#endregion
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#region TC-44
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[Test]
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public async Task SetObjectAsync_SerializesToJson_AndPersistsWithEntityTtl()
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{
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var settings = new CacheSettings
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{
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Redis = new RedisSettings { Ttl = new TtlSettings { PatientsSeconds = 600 } }
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};
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SetupStringSetAsync();
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var sut = CreateSut(settings);
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var obj = new TestModel("save-me");
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var expectedJson = JsonConvert.SerializeObject(obj);
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await sut.SetObjectAsync("patients:latestObs:abc", obj, null, true);
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_mockDb.Verify(
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db => db.StringSetAsync(
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It.IsAny<RedisKey>(),
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It.IsAny<RedisValue>(),
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It.Is<TimeSpan?>(t => t == TimeSpan.FromSeconds(600)),
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It.IsAny<bool>(),
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It.IsAny<When>(),
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It.IsAny<CommandFlags>()),
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Times.Once);
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It.Is<RedisValue>(v => v.Equals(expectedJson));
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}
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#endregion
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}
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