291 lines
10 KiB
C#
291 lines
10 KiB
C#
using EntKube.Provisioning.Domain;
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using EntKube.Provisioning.Features.RedisClusters;
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using EntKube.Provisioning.Features.RedisClusters.AdoptRedisCluster;
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using EntKube.Provisioning.Features.RedisClusters.CreateRedisCluster;
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using EntKube.Provisioning.Features.RedisClusters.UpgradeRedisCluster;
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using EntKube.Provisioning.Features.RedisClusters.ConfigureRedisCluster;
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using EntKube.Provisioning.Infrastructure;
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using EntKube.SharedKernel.Domain;
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using FluentAssertions;
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using Moq;
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namespace EntKube.Provisioning.Tests.Features;
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/// <summary>
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/// Tests for all Redis cluster management features. Each test verifies that
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/// the handler correctly orchestrates domain logic + K8s client interactions.
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/// </summary>
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public class RedisClusterFeatureTests
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{
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private readonly InMemoryRedisClusterRepository repository;
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private readonly Mock<IRedisClusterClient> redisClient;
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public RedisClusterFeatureTests()
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{
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repository = new InMemoryRedisClusterRepository();
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redisClient = new Mock<IRedisClusterClient>();
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}
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// ─── Create Cluster ───────────────────────────────────────────────────────
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[Fact]
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public async Task CreateCluster_WithValidRequest_CreatesAndCallsK8sClient()
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{
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// Arrange — A platform admin wants a new 3-replica Redis instance
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// with sentinel enabled for HA.
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CreateRedisClusterHandler handler = new(repository, redisClient.Object);
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CreateRedisClusterRequest request = new(
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EnvironmentId: Guid.NewGuid(),
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ClusterId: Guid.NewGuid(),
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Name: "platform-cache",
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Namespace: "redis",
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RedisVersion: "7.2.5",
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Replicas: 3,
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StorageSize: "10Gi",
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SentinelEnabled: true,
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KubeConfig: "apiVersion: v1\nkind: Config",
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ContextName: "prod-ctx");
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// Act
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Result<Guid> result = await handler.HandleAsync(request);
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// Assert — Cluster created in repository and K8s client called.
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result.IsSuccess.Should().BeTrue();
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result.Value.Should().NotBe(Guid.Empty);
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IReadOnlyList<RedisCluster> clusters = await repository.GetAllAsync();
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clusters.Should().HaveCount(1);
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clusters[0].Name.Should().Be("platform-cache");
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clusters[0].Status.Should().Be(RedisClusterStatus.Provisioning);
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redisClient.Verify(c => c.CreateClusterAsync(
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"apiVersion: v1\nkind: Config",
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"prod-ctx",
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It.Is<RedisClusterSpec>(s =>
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s.Name == "platform-cache" &&
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s.RedisVersion == "7.2.5" &&
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s.Replicas == 3 &&
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s.SentinelEnabled == true),
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It.IsAny<CancellationToken>()), Times.Once);
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}
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[Fact]
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public async Task CreateCluster_WithMissingName_ReturnsFailure()
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{
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// Arrange
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CreateRedisClusterHandler handler = new(repository, redisClient.Object);
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CreateRedisClusterRequest request = new(
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EnvironmentId: Guid.NewGuid(),
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ClusterId: Guid.NewGuid(),
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Name: "",
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Namespace: "redis",
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RedisVersion: "7.2.5",
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Replicas: 3,
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StorageSize: "10Gi",
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SentinelEnabled: true,
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KubeConfig: "config",
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ContextName: "ctx");
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// Act
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Result<Guid> result = await handler.HandleAsync(request);
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// Assert — Domain validation rejects empty names.
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result.IsFailure.Should().BeTrue();
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result.Error.Should().Contain("name");
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}
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// ─── Adopt Clusters ───────────────────────────────────────────────────────
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[Fact]
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public async Task AdoptClusters_DiscoversTwoInstances_CreatesBothInRunningState()
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{
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// Arrange — The K8s cluster has two existing Redis instances.
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redisClient.Setup(c => c.DiscoverClustersAsync(
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It.IsAny<string>(), It.IsAny<string>(), It.IsAny<CancellationToken>()))
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.ReturnsAsync(new List<DiscoveredRedisCluster>
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{
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new("session-cache", "redis", "7.2.5", 3, "10Gi", true),
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new("rate-limiter", "redis", "7.0.15", 1, "5Gi", false)
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});
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AdoptRedisClustersHandler handler = new(repository, redisClient.Object);
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AdoptRedisClustersRequest request = new(Guid.NewGuid(), Guid.NewGuid(), "config", "ctx");
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// Act
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Result<List<Guid>> result = await handler.HandleAsync(request);
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// Assert — Both clusters adopted.
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result.IsSuccess.Should().BeTrue();
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result.Value.Should().HaveCount(2);
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IReadOnlyList<RedisCluster> clusters = await repository.GetAllAsync();
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clusters.Should().HaveCount(2);
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clusters.Should().OnlyContain(c => c.Status == RedisClusterStatus.Running);
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}
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[Fact]
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public async Task AdoptClusters_AlreadyAdopted_ReturnsExistingIdWithoutDuplicate()
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{
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// Arrange — One instance already adopted.
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Guid clusterId = Guid.NewGuid();
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RedisCluster existing = RedisCluster.Adopt(
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Guid.NewGuid(), clusterId, "session-cache", "redis", "7.2.5", 3, "10Gi", true);
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await repository.AddAsync(existing);
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redisClient.Setup(c => c.DiscoverClustersAsync(
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It.IsAny<string>(), It.IsAny<string>(), It.IsAny<CancellationToken>()))
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.ReturnsAsync(new List<DiscoveredRedisCluster>
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{
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new("session-cache", "redis", "7.2.5", 3, "10Gi", true)
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});
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AdoptRedisClustersHandler handler = new(repository, redisClient.Object);
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AdoptRedisClustersRequest request = new(Guid.NewGuid(), clusterId, "config", "ctx");
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// Act
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Result<List<Guid>> result = await handler.HandleAsync(request);
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// Assert — Returns existing ID without creating a duplicate.
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result.IsSuccess.Should().BeTrue();
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result.Value.Should().HaveCount(1);
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result.Value![0].Should().Be(existing.Id);
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IReadOnlyList<RedisCluster> clusters = await repository.GetAllAsync();
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clusters.Should().HaveCount(1);
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}
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// ─── Upgrade ──────────────────────────────────────────────────────────────
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[Fact]
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public async Task UpgradeCluster_WithValidVersion_TransitionsToUpgrading()
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{
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// Arrange — A running Redis instance at version 7.0.15.
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RedisCluster redisCluster = RedisCluster.Create(
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Guid.NewGuid(), Guid.NewGuid(), "cache", "redis", "7.0.15", 3, "10Gi", true);
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redisCluster.MarkRunning();
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await repository.AddAsync(redisCluster);
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redisClient.Setup(c => c.GetAvailableVersionsAsync(
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It.IsAny<string>(), It.IsAny<string>(), It.IsAny<CancellationToken>()))
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.ReturnsAsync(new List<string> { "7.0.15", "7.2.5" });
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UpgradeRedisClusterHandler handler = new(repository, redisClient.Object);
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UpgradeRedisClusterRequest request = new(redisCluster.Id, "7.2.5", "config", "ctx");
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// Act
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Result<string> result = await handler.HandleAsync(request);
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// Assert
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result.IsSuccess.Should().BeTrue();
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redisCluster.Status.Should().Be(RedisClusterStatus.Upgrading);
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redisCluster.TargetVersion.Should().Be("7.2.5");
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redisClient.Verify(c => c.UpgradeClusterAsync(
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"config", "ctx", "cache", "redis", "7.2.5",
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It.IsAny<CancellationToken>()), Times.Once);
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}
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[Fact]
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public async Task UpgradeCluster_UnavailableVersion_ReturnsFailure()
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{
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// Arrange — Target version not in the available list.
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RedisCluster redisCluster = RedisCluster.Create(
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Guid.NewGuid(), Guid.NewGuid(), "cache", "redis", "7.0.15", 3, "10Gi", true);
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redisCluster.MarkRunning();
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await repository.AddAsync(redisCluster);
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redisClient.Setup(c => c.GetAvailableVersionsAsync(
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It.IsAny<string>(), It.IsAny<string>(), It.IsAny<CancellationToken>()))
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.ReturnsAsync(new List<string> { "7.0.15" });
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UpgradeRedisClusterHandler handler = new(repository, redisClient.Object);
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UpgradeRedisClusterRequest request = new(redisCluster.Id, "7.2.5", "config", "ctx");
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// Act
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Result<string> result = await handler.HandleAsync(request);
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// Assert
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result.IsFailure.Should().BeTrue();
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result.Error.Should().Contain("not available");
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}
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// ─── Configure ────────────────────────────────────────────────────────────
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[Fact]
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public async Task ConfigureCluster_ScaleReplicas_UpdatesAndCallsK8s()
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{
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// Arrange — A running 3-replica cluster to be scaled to 5.
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RedisCluster redisCluster = RedisCluster.Create(
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Guid.NewGuid(), Guid.NewGuid(), "cache", "redis", "7.2.5", 3, "10Gi", true);
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redisCluster.MarkRunning();
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await repository.AddAsync(redisCluster);
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ConfigureRedisClusterHandler handler = new(repository, redisClient.Object);
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ConfigureRedisClusterRequest request = new(
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redisCluster.Id, Replicas: 5, StorageSize: null, SentinelEnabled: null,
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KubeConfig: "config", ContextName: "ctx");
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// Act
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Result<string> result = await handler.HandleAsync(request);
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// Assert
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result.IsSuccess.Should().BeTrue();
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redisCluster.Replicas.Should().Be(5);
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redisClient.Verify(c => c.UpdateClusterAsync(
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"config", "ctx",
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It.Is<RedisClusterSpec>(s => s.Replicas == 5),
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It.IsAny<CancellationToken>()), Times.Once);
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}
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[Fact]
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public async Task ConfigureCluster_NonExistent_ReturnsFailure()
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{
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// Arrange — No cluster with this ID.
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ConfigureRedisClusterHandler handler = new(repository, redisClient.Object);
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ConfigureRedisClusterRequest request = new(
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Guid.NewGuid(), Replicas: 5, StorageSize: null, SentinelEnabled: null,
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KubeConfig: "config", ContextName: "ctx");
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// Act
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Result<string> result = await handler.HandleAsync(request);
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// Assert
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result.IsFailure.Should().BeTrue();
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result.Error.Should().Contain("not found");
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}
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}
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