too much for one commit
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Nils Blomgren
@@ -0,0 +1,197 @@
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using EntKube.Clusters.Domain;
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using EntKube.Clusters.Features.AdoptCluster;
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using EntKube.Clusters.Features.AdoptCluster.ConfigureComponent;
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using EntKube.Clusters.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.Clusters.Tests.Features;
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public class ConfigureComponentHandlerTests
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{
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private readonly InMemoryClusterRepository repository;
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private readonly Mock<IComponentInstaller> monitoringInstaller;
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private readonly Mock<IComponentInstaller> kyvernoInstaller;
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private readonly ConfigureComponentHandler handler;
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public ConfigureComponentHandlerTests()
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{
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repository = new InMemoryClusterRepository();
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monitoringInstaller = new Mock<IComponentInstaller>();
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monitoringInstaller.Setup(i => i.ComponentName).Returns("monitoring");
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kyvernoInstaller = new Mock<IComponentInstaller>();
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kyvernoInstaller.Setup(i => i.ComponentName).Returns("kyverno");
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List<IComponentInstaller> installers = new() { monitoringInstaller.Object, kyvernoInstaller.Object };
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handler = new ConfigureComponentHandler(repository, installers);
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}
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[Fact]
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public async Task HandleAsync_WithValidComponent_CallsConfigureAsync()
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{
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// Arrange — A connected cluster and a request to change Prometheus retention.
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KubernetesCluster cluster = KubernetesCluster.Register(
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"prod-cluster", "https://k8s.example.com:6443", "kubeconfig", Guid.NewGuid(), "ctx", Guid.NewGuid());
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cluster.MarkConnected();
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await repository.AddAsync(cluster);
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monitoringInstaller
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.Setup(i => i.ConfigureAsync(cluster, It.IsAny<ComponentConfiguration>(), It.IsAny<CancellationToken>()))
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.ReturnsAsync(new InstallResult(true, "monitoring", "Reconfigured", new List<string> { "retention=90d" }));
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ConfigureComponentRequest request = new("monitoring", Values: new Dictionary<string, string>
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{
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["retention"] = "90d"
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});
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// Act
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Result<InstallResult> result = await handler.HandleAsync(cluster.Id, request);
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// Assert
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result.IsSuccess.Should().BeTrue();
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result.Value!.Success.Should().BeTrue();
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result.Value.Message.Should().Be("Reconfigured");
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monitoringInstaller.Verify(
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i => i.ConfigureAsync(cluster, It.Is<ComponentConfiguration>(c => c.Values["retention"] == "90d"), It.IsAny<CancellationToken>()),
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Times.Once);
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}
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[Fact]
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public async Task HandleAsync_WithNonExistentCluster_ReturnsFailure()
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{
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// Arrange
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ConfigureComponentRequest request = new("monitoring", Values: new Dictionary<string, string>
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{
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["retention"] = "90d"
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});
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// Act
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Result<InstallResult> result = await handler.HandleAsync(Guid.NewGuid(), 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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[Fact]
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public async Task HandleAsync_WithDisconnectedCluster_ReturnsFailure()
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{
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// Arrange — Cluster that isn't connected can't be configured.
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KubernetesCluster cluster = KubernetesCluster.Register(
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"offline-cluster", "https://k8s.example.com:6443", "kubeconfig", Guid.NewGuid(), "ctx", Guid.NewGuid());
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await repository.AddAsync(cluster);
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ConfigureComponentRequest request = new("monitoring", Values: new Dictionary<string, string>
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{
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["retention"] = "90d"
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});
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// Act
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Result<InstallResult> result = await handler.HandleAsync(cluster.Id, request);
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// Assert
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result.IsFailure.Should().BeTrue();
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result.Error.Should().Contain("connected");
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}
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[Fact]
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public async Task HandleAsync_WithUnknownComponent_ReturnsFailure()
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{
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// Arrange — Request an installer that doesn't exist.
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KubernetesCluster cluster = KubernetesCluster.Register(
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"prod-cluster", "https://k8s.example.com:6443", "kubeconfig", Guid.NewGuid(), "ctx", Guid.NewGuid());
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cluster.MarkConnected();
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await repository.AddAsync(cluster);
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ConfigureComponentRequest request = new("nonexistent-thing", Values: new Dictionary<string, string>
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{
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["foo"] = "bar"
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});
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// Act
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Result<InstallResult> result = await handler.HandleAsync(cluster.Id, request);
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// Assert
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result.IsFailure.Should().BeTrue();
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result.Error.Should().Contain("No installer found");
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result.Error.Should().Contain("monitoring");
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result.Error.Should().Contain("kyverno");
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}
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[Fact]
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public async Task HandleAsync_WhenConfigureFails_ReturnsFailure()
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{
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// Arrange — The installer reports a failure.
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KubernetesCluster cluster = KubernetesCluster.Register(
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"broken-cluster", "https://k8s.example.com:6443", "kubeconfig", Guid.NewGuid(), "ctx", Guid.NewGuid());
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cluster.MarkConnected();
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await repository.AddAsync(cluster);
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kyvernoInstaller
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.Setup(i => i.ConfigureAsync(cluster, It.IsAny<ComponentConfiguration>(), It.IsAny<CancellationToken>()))
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.ReturnsAsync(new InstallResult(false, "kyverno", "Helm upgrade failed: timeout", new List<string> { "Error: timeout" }));
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ConfigureComponentRequest request = new("kyverno", Values: new Dictionary<string, string>
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{
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["admissionReplicas"] = "4"
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});
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// Act
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Result<InstallResult> result = await handler.HandleAsync(cluster.Id, request);
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// Assert
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result.IsFailure.Should().BeTrue();
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result.Error.Should().Contain("Helm upgrade failed");
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}
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[Fact]
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public async Task HandleAsync_PassesNamespaceToConfiguration()
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{
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// Arrange — Verify the namespace from the request reaches the installer.
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KubernetesCluster cluster = KubernetesCluster.Register(
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"prod-cluster", "https://k8s.example.com:6443", "kubeconfig", Guid.NewGuid(), "ctx", Guid.NewGuid());
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cluster.MarkConnected();
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await repository.AddAsync(cluster);
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monitoringInstaller
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.Setup(i => i.ConfigureAsync(cluster, It.IsAny<ComponentConfiguration>(), It.IsAny<CancellationToken>()))
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.ReturnsAsync(new InstallResult(true, "monitoring", "Done", new List<string>()));
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ConfigureComponentRequest request = new("monitoring", Namespace: "custom-monitoring", Values: new Dictionary<string, string>
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{
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["retention"] = "7d"
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});
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// Act
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Result<InstallResult> result = await handler.HandleAsync(cluster.Id, request);
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// Assert
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result.IsSuccess.Should().BeTrue();
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monitoringInstaller.Verify(
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i => i.ConfigureAsync(cluster, It.Is<ComponentConfiguration>(c => c.Namespace == "custom-monitoring"), It.IsAny<CancellationToken>()),
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Times.Once);
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}
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}
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