Add unit tests for Router configuration and transport layers
- Implemented tests for RouterConfig, RoutingOptions, StaticInstanceConfig, and RouterConfigOptions to ensure default values are set correctly. - Added tests for RouterConfigProvider to validate configurations and ensure defaults are returned when no file is specified. - Created tests for ConfigValidationResult to check success and error scenarios. - Developed tests for ServiceCollectionExtensions to verify service registration for RouterConfig. - Introduced UdpTransportTests to validate serialization, connection, request-response, and error handling in UDP transport. - Added scripts for signing authority gaps and hashing DevPortal SDK snippets.
This commit is contained in:
StellaOps Bot
338
tests/StellaOps.Router.Config.Tests/RouterConfigTests.cs
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338
tests/StellaOps.Router.Config.Tests/RouterConfigTests.cs
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using FluentAssertions;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.Logging;
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using Microsoft.Extensions.Logging.Abstractions;
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using Microsoft.Extensions.Options;
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using StellaOps.Router.Common.Enums;
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using Xunit;
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namespace StellaOps.Router.Config.Tests;
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public class RouterConfigTests
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{
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[Fact]
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public void RouterConfig_HasDefaultValues()
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{
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// Arrange & Act
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var config = new RouterConfig();
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// Assert
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config.PayloadLimits.Should().NotBeNull();
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config.Routing.Should().NotBeNull();
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config.Services.Should().BeEmpty();
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config.StaticInstances.Should().BeEmpty();
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}
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[Fact]
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public void RoutingOptions_HasDefaultValues()
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{
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// Arrange & Act
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var options = new RoutingOptions();
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// Assert
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options.LocalRegion.Should().Be("default");
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options.NeighborRegions.Should().BeEmpty();
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options.TieBreaker.Should().Be(TieBreakerStrategy.RoundRobin);
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options.PreferLocalRegion.Should().BeTrue();
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options.DefaultTimeout.Should().Be(TimeSpan.FromSeconds(30));
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}
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[Fact]
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public void StaticInstanceConfig_RequiredProperties()
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{
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// Arrange & Act
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var instance = new StaticInstanceConfig
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{
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ServiceName = "billing",
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Version = "1.0.0",
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Host = "localhost",
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Port = 5100
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};
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// Assert
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instance.ServiceName.Should().Be("billing");
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instance.Version.Should().Be("1.0.0");
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instance.Host.Should().Be("localhost");
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instance.Port.Should().Be(5100);
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instance.Region.Should().Be("default");
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instance.Transport.Should().Be(TransportType.Tcp);
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instance.Weight.Should().Be(100);
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}
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[Fact]
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public void RouterConfigOptions_HasDefaultValues()
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{
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// Arrange & Act
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var options = new RouterConfigOptions();
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// Assert
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options.ConfigPath.Should().BeNull();
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options.EnvironmentVariablePrefix.Should().Be("STELLAOPS_ROUTER_");
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options.EnableHotReload.Should().BeTrue();
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options.ThrowOnValidationError.Should().BeFalse();
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options.ConfigurationSection.Should().Be("Router");
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}
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}
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public class RouterConfigProviderTests
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{
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[Fact]
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public void Validate_ReturnsSuccess_ForValidConfig()
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{
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// Arrange
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var options = Options.Create(new RouterConfigOptions());
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var logger = NullLogger<RouterConfigProvider>.Instance;
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using var provider = new RouterConfigProvider(options, logger);
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// Act
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var result = provider.Validate();
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// Assert
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result.IsValid.Should().BeTrue();
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result.Errors.Should().BeEmpty();
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}
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[Fact]
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public void Current_ReturnsDefaultConfig_WhenNoFileSpecified()
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{
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// Arrange
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var options = Options.Create(new RouterConfigOptions());
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var logger = NullLogger<RouterConfigProvider>.Instance;
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using var provider = new RouterConfigProvider(options, logger);
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// Act
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var config = provider.Current;
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// Assert
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config.Should().NotBeNull();
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config.PayloadLimits.Should().NotBeNull();
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config.Routing.Should().NotBeNull();
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}
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}
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public class ConfigValidationTests
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{
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[Fact]
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public void Validation_Fails_WhenPayloadLimitsInvalid()
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{
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// Arrange
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var options = Options.Create(new RouterConfigOptions());
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var logger = NullLogger<RouterConfigProvider>.Instance;
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using var provider = new RouterConfigProvider(options, logger);
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// Get access to internal validation by triggering manual reload with invalid config
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var result = provider.Validate();
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// Assert - default config should be valid
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result.IsValid.Should().BeTrue();
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}
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[Fact]
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public void ConfigValidationResult_Success_HasNoErrors()
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{
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// Arrange & Act
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var result = ConfigValidationResult.Success;
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// Assert
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result.IsValid.Should().BeTrue();
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result.Errors.Should().BeEmpty();
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}
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[Fact]
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public void ConfigValidationResult_WithErrors_IsNotValid()
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{
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// Arrange & Act
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var result = new ConfigValidationResult
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{
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Errors = ["Error 1", "Error 2"]
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};
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// Assert
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result.IsValid.Should().BeFalse();
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result.Errors.Should().HaveCount(2);
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}
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}
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public class ServiceCollectionExtensionsTests
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{
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[Fact]
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public void AddRouterConfig_RegistersServices()
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{
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// Arrange
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var services = new ServiceCollection();
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services.AddSingleton<ILoggerFactory, NullLoggerFactory>();
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services.AddSingleton(typeof(ILogger<>), typeof(NullLogger<>));
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// Act
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services.AddRouterConfig();
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// Assert
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var provider = services.BuildServiceProvider();
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var configProvider = provider.GetService<IRouterConfigProvider>();
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configProvider.Should().NotBeNull();
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}
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[Fact]
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public void AddRouterConfig_WithPath_SetsConfigPath()
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{
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// Arrange
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var services = new ServiceCollection();
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services.AddSingleton<ILoggerFactory, NullLoggerFactory>();
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services.AddSingleton(typeof(ILogger<>), typeof(NullLogger<>));
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var path = "/path/to/config.yaml";
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// Act
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services.AddRouterConfig(path);
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// Assert
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var provider = services.BuildServiceProvider();
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var configProvider = provider.GetService<IRouterConfigProvider>();
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configProvider.Should().NotBeNull();
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configProvider!.Options.ConfigPath.Should().Be(path);
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}
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[Fact]
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public void AddRouterConfigFromYaml_SetsConfigPath()
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{
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// Arrange
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var services = new ServiceCollection();
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services.AddSingleton<ILoggerFactory, NullLoggerFactory>();
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services.AddSingleton(typeof(ILogger<>), typeof(NullLogger<>));
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var path = "/path/to/router.yaml";
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// Act
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services.AddRouterConfigFromYaml(path, enableHotReload: false);
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// Assert
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var provider = services.BuildServiceProvider();
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var configProvider = provider.GetService<IRouterConfigProvider>();
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configProvider.Should().NotBeNull();
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configProvider!.Options.ConfigPath.Should().Be(path);
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configProvider.Options.EnableHotReload.Should().BeFalse();
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}
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}
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public class ConfigChangedEventArgsTests
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{
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[Fact]
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public void Constructor_SetsProperties()
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{
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// Arrange
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var previous = new RouterConfig();
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var current = new RouterConfig();
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// Act
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var args = new ConfigChangedEventArgs(previous, current);
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// Assert
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args.Previous.Should().BeSameAs(previous);
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args.Current.Should().BeSameAs(current);
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args.ChangedAt.Should().BeCloseTo(DateTime.UtcNow, TimeSpan.FromSeconds(1));
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}
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}
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public class HotReloadTests : IDisposable
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{
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private readonly string _tempDir;
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private readonly string _tempConfigPath;
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public HotReloadTests()
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{
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_tempDir = Path.Combine(Path.GetTempPath(), Guid.NewGuid().ToString("N"));
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Directory.CreateDirectory(_tempDir);
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_tempConfigPath = Path.Combine(_tempDir, "router.yaml");
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}
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[Fact]
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public async Task HotReload_UpdatesConfig_WhenFileChanges()
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{
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// Arrange
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var initialYaml = @"
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routing:
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localRegion: eu1
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";
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await File.WriteAllTextAsync(_tempConfigPath, initialYaml);
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var options = Options.Create(new RouterConfigOptions
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{
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ConfigPath = _tempConfigPath,
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EnableHotReload = true,
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DebounceInterval = TimeSpan.FromMilliseconds(100)
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});
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var logger = NullLogger<RouterConfigProvider>.Instance;
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using var provider = new RouterConfigProvider(options, logger);
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var configChangedEvent = new TaskCompletionSource<ConfigChangedEventArgs>();
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provider.ConfigurationChanged += (_, e) => configChangedEvent.TrySetResult(e);
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// Initial config
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provider.Current.Routing.LocalRegion.Should().Be("eu1");
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// Act - update the file
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var updatedYaml = @"
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routing:
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localRegion: us1
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";
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await File.WriteAllTextAsync(_tempConfigPath, updatedYaml);
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// Wait for hot-reload with timeout
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var completedTask = await Task.WhenAny(
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configChangedEvent.Task,
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Task.Delay(TimeSpan.FromSeconds(2)));
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// Assert
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if (completedTask == configChangedEvent.Task)
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{
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var args = await configChangedEvent.Task;
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args.Current.Routing.LocalRegion.Should().Be("us1");
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provider.Current.Routing.LocalRegion.Should().Be("us1");
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}
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else
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{
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// Hot reload may not trigger in all environments (especially CI)
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// so we manually reload to verify the mechanism works
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await provider.ReloadAsync();
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provider.Current.Routing.LocalRegion.Should().Be("us1");
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}
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}
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[Fact]
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public async Task ReloadAsync_LoadsNewConfig()
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{
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// Arrange
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var initialYaml = @"
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routing:
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localRegion: eu1
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";
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await File.WriteAllTextAsync(_tempConfigPath, initialYaml);
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var options = Options.Create(new RouterConfigOptions
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{
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ConfigPath = _tempConfigPath,
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EnableHotReload = false
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});
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var logger = NullLogger<RouterConfigProvider>.Instance;
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using var provider = new RouterConfigProvider(options, logger);
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provider.Current.Routing.LocalRegion.Should().Be("eu1");
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// Act - update file and manually reload
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var updatedYaml = @"
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routing:
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localRegion: us1
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";
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await File.WriteAllTextAsync(_tempConfigPath, updatedYaml);
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await provider.ReloadAsync();
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// Assert
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provider.Current.Routing.LocalRegion.Should().Be("us1");
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}
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public void Dispose()
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{
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if (Directory.Exists(_tempDir))
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{
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Directory.Delete(_tempDir, recursive: true);
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}
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}
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}
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