feat: add stella-callgraph-node for JavaScript/TypeScript call graph extraction
- Implemented a new tool `stella-callgraph-node` that extracts call graphs from JavaScript/TypeScript projects using Babel AST. - Added command-line interface with options for JSON output and help. - Included functionality to analyze project structure, detect functions, and build call graphs. - Created a package.json file for dependency management. feat: introduce stella-callgraph-python for Python call graph extraction - Developed `stella-callgraph-python` to extract call graphs from Python projects using AST analysis. - Implemented command-line interface with options for JSON output and verbose logging. - Added framework detection to identify popular web frameworks and their entry points. - Created an AST analyzer to traverse Python code and extract function definitions and calls. - Included requirements.txt for project dependencies. chore: add framework detection for Python projects - Implemented framework detection logic to identify frameworks like Flask, FastAPI, Django, and others based on project files and import patterns. - Enhanced the AST analyzer to recognize entry points based on decorators and function definitions.
This commit is contained in:
master
@@ -0,0 +1,259 @@
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using FluentAssertions;
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using Microsoft.Extensions.Options;
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using StellaOps.Router.Common.Enums;
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using StellaOps.Router.Common.Models;
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using StellaOps.Router.Gateway.Configuration;
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using StellaOps.Router.Gateway.Routing;
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using Xunit;
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namespace StellaOps.Router.Gateway.Tests;
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public sealed class DefaultRoutingPluginTests
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{
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[Fact]
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public async Task ChooseInstanceAsync_WhenNoCandidates_ReturnsNull()
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{
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var plugin = CreatePlugin(gatewayRegion: "eu1");
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var decision = await plugin.ChooseInstanceAsync(
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new RoutingContext
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{
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Method = "GET",
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Path = "/items",
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Headers = new Dictionary<string, string>(),
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Endpoint = new EndpointDescriptor
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{
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ServiceName = "inventory",
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Version = "1.0.0",
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Method = "GET",
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Path = "/items"
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},
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AvailableConnections = [],
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GatewayRegion = "eu1",
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RequestedVersion = null,
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CancellationToken = CancellationToken.None
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},
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CancellationToken.None);
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decision.Should().BeNull();
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}
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[Fact]
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public async Task ChooseInstanceAsync_WhenRequestedVersionDoesNotMatch_ReturnsNull()
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{
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var plugin = CreatePlugin(
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gatewayRegion: "eu1",
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options: new RoutingOptions
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{
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StrictVersionMatching = true,
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DefaultVersion = null
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});
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var candidates = new List<ConnectionState>
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{
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CreateConnection("inv-1", "inventory", "1.0.0", region: "eu1", status: InstanceHealthStatus.Healthy)
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};
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var decision = await plugin.ChooseInstanceAsync(
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CreateContext(
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requestedVersion: "2.0.0",
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candidates: candidates),
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CancellationToken.None);
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decision.Should().BeNull();
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}
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[Fact]
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public async Task ChooseInstanceAsync_PrefersHealthyOverDegraded()
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{
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var plugin = CreatePlugin(
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gatewayRegion: "eu1",
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options: new RoutingOptions
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{
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StrictVersionMatching = true,
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DefaultVersion = null,
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PreferLocalRegion = true,
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AllowDegradedInstances = true,
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TieBreaker = TieBreakerMode.RoundRobin
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});
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var degraded = CreateConnection("inv-degraded", "inventory", "1.0.0", region: "eu1", status: InstanceHealthStatus.Degraded);
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degraded.AveragePingMs = 1;
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var healthy = CreateConnection("inv-healthy", "inventory", "1.0.0", region: "eu1", status: InstanceHealthStatus.Healthy);
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healthy.AveragePingMs = 50;
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var decision = await plugin.ChooseInstanceAsync(
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CreateContext(
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requestedVersion: "1.0.0",
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candidates: [degraded, healthy]),
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CancellationToken.None);
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decision.Should().NotBeNull();
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decision!.Connection.ConnectionId.Should().Be("inv-healthy");
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}
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[Fact]
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public async Task ChooseInstanceAsync_PrefersLocalRegionOverRemote()
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{
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var plugin = CreatePlugin(
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gatewayRegion: "eu1",
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options: new RoutingOptions
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{
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StrictVersionMatching = true,
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DefaultVersion = null,
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PreferLocalRegion = true,
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AllowDegradedInstances = true,
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TieBreaker = TieBreakerMode.RoundRobin
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});
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var remote = CreateConnection("inv-us1", "inventory", "1.0.0", region: "us1", status: InstanceHealthStatus.Healthy);
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var local = CreateConnection("inv-eu1", "inventory", "1.0.0", region: "eu1", status: InstanceHealthStatus.Healthy);
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var decision = await plugin.ChooseInstanceAsync(
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CreateContext(
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requestedVersion: "1.0.0",
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candidates: [remote, local]),
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CancellationToken.None);
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decision.Should().NotBeNull();
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decision!.Connection.ConnectionId.Should().Be("inv-eu1");
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}
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[Fact]
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public async Task ChooseInstanceAsync_WhenNoLocal_UsesNeighborRegion()
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{
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var plugin = CreatePlugin(
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gatewayRegion: "eu1",
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gatewayNeighbors: ["eu2"],
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options: new RoutingOptions
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{
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StrictVersionMatching = true,
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DefaultVersion = null,
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PreferLocalRegion = true,
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AllowDegradedInstances = true,
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TieBreaker = TieBreakerMode.RoundRobin
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});
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var neighbor = CreateConnection("inv-eu2", "inventory", "1.0.0", region: "eu2", status: InstanceHealthStatus.Healthy);
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var remote = CreateConnection("inv-us1", "inventory", "1.0.0", region: "us1", status: InstanceHealthStatus.Healthy);
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var decision = await plugin.ChooseInstanceAsync(
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CreateContext(
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requestedVersion: "1.0.0",
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candidates: [remote, neighbor]),
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CancellationToken.None);
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decision.Should().NotBeNull();
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decision!.Connection.ConnectionId.Should().Be("inv-eu2");
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}
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[Fact]
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public async Task ChooseInstanceAsync_WhenTied_UsesRoundRobin()
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{
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var plugin = CreatePlugin(
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gatewayRegion: "eu1",
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options: new RoutingOptions
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{
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StrictVersionMatching = true,
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DefaultVersion = null,
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PreferLocalRegion = false,
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AllowDegradedInstances = true,
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TieBreaker = TieBreakerMode.RoundRobin,
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PingToleranceMs = 1_000
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});
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var heartbeat = DateTime.UtcNow;
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var a = CreateConnection("inv-a", "inventory", "1.0.0", region: "us1", status: InstanceHealthStatus.Healthy);
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a.AveragePingMs = 10;
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a.LastHeartbeatUtc = heartbeat;
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var b = CreateConnection("inv-b", "inventory", "1.0.0", region: "us1", status: InstanceHealthStatus.Healthy);
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b.AveragePingMs = 10;
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b.LastHeartbeatUtc = heartbeat;
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var ctx = CreateContext(requestedVersion: "1.0.0", candidates: [a, b]);
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var decision1 = await plugin.ChooseInstanceAsync(ctx, CancellationToken.None);
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var decision2 = await plugin.ChooseInstanceAsync(ctx, CancellationToken.None);
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decision1.Should().NotBeNull();
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decision2.Should().NotBeNull();
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decision1!.Connection.ConnectionId.Should().Be("inv-a");
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decision2!.Connection.ConnectionId.Should().Be("inv-b");
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}
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private static DefaultRoutingPlugin CreatePlugin(
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string gatewayRegion,
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RoutingOptions? options = null,
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IReadOnlyList<string>? gatewayNeighbors = null)
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{
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options ??= new RoutingOptions
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{
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StrictVersionMatching = true,
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DefaultVersion = null,
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PreferLocalRegion = true,
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AllowDegradedInstances = true,
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TieBreaker = TieBreakerMode.RoundRobin
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};
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var node = new RouterNodeConfig
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{
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Region = gatewayRegion,
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NeighborRegions = gatewayNeighbors?.ToList() ?? []
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};
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return new DefaultRoutingPlugin(
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Options.Create(options),
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Options.Create(node));
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}
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private static RoutingContext CreateContext(
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string? requestedVersion,
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IReadOnlyList<ConnectionState> candidates)
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{
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return new RoutingContext
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{
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Method = "GET",
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Path = "/items",
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Headers = new Dictionary<string, string>(),
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Endpoint = new EndpointDescriptor
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{
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ServiceName = "inventory",
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Version = "1.0.0",
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Method = "GET",
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Path = "/items"
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},
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AvailableConnections = candidates,
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GatewayRegion = "eu1",
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RequestedVersion = requestedVersion,
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CancellationToken = CancellationToken.None
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};
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}
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private static ConnectionState CreateConnection(
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string connectionId,
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string serviceName,
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string version,
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string region,
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InstanceHealthStatus status)
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{
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return new ConnectionState
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{
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ConnectionId = connectionId,
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Instance = new InstanceDescriptor
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{
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InstanceId = connectionId,
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ServiceName = serviceName,
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Version = version,
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Region = region
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},
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Status = status,
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LastHeartbeatUtc = DateTime.UtcNow,
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TransportType = TransportType.InMemory
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};
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}
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}
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@@ -0,0 +1,139 @@
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using FluentAssertions;
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using StellaOps.Router.Common.Enums;
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using StellaOps.Router.Common.Models;
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using StellaOps.Router.Gateway.State;
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using Xunit;
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namespace StellaOps.Router.Gateway.Tests;
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public sealed class InMemoryRoutingStateTests
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{
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[Fact]
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public void ResolveEndpoint_WhenExactMatch_ReturnsEndpointDescriptor()
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{
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var routingState = new InMemoryRoutingState();
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var connection = CreateConnection("conn-1", "inventory", "1.0.0", region: "test");
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connection.Endpoints[("GET", "/items")] = new EndpointDescriptor
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{
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ServiceName = "inventory",
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Version = "1.0.0",
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Method = "GET",
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Path = "/items"
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};
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routingState.AddConnection(connection);
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var resolved = routingState.ResolveEndpoint("GET", "/items");
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resolved.Should().NotBeNull();
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resolved!.ServiceName.Should().Be("inventory");
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resolved.Version.Should().Be("1.0.0");
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resolved.Method.Should().Be("GET");
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resolved.Path.Should().Be("/items");
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}
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[Fact]
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public void ResolveEndpoint_WhenTemplateMatch_ReturnsEndpointDescriptor()
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{
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var routingState = new InMemoryRoutingState();
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var connection = CreateConnection("conn-1", "inventory", "1.0.0", region: "test");
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connection.Endpoints[("GET", "/items/{sku}")] = new EndpointDescriptor
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{
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ServiceName = "inventory",
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Version = "1.0.0",
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Method = "GET",
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Path = "/items/{sku}"
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};
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routingState.AddConnection(connection);
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var resolved = routingState.ResolveEndpoint("GET", "/items/SKU-001");
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resolved.Should().NotBeNull();
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resolved!.Path.Should().Be("/items/{sku}");
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}
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[Fact]
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public void RemoveConnection_RemovesEndpointsFromIndex()
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{
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var routingState = new InMemoryRoutingState();
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var connection = CreateConnection("conn-1", "inventory", "1.0.0", region: "test");
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connection.Endpoints[("GET", "/items")] = new EndpointDescriptor
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{
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ServiceName = "inventory",
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Version = "1.0.0",
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Method = "GET",
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Path = "/items"
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};
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routingState.AddConnection(connection);
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routingState.ResolveEndpoint("GET", "/items").Should().NotBeNull();
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routingState.RemoveConnection("conn-1");
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routingState.ResolveEndpoint("GET", "/items").Should().BeNull();
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routingState.GetAllConnections().Should().BeEmpty();
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}
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[Fact]
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public void GetConnectionsFor_FiltersByServiceAndVersion()
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{
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var routingState = new InMemoryRoutingState();
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var inventoryV1 = CreateConnection("inv-v1", "inventory", "1.0.0", region: "test");
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inventoryV1.Endpoints[("GET", "/items")] = new EndpointDescriptor
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{
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ServiceName = "inventory",
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Version = "1.0.0",
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Method = "GET",
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Path = "/items"
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};
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var inventoryV2 = CreateConnection("inv-v2", "inventory", "2.0.0", region: "test");
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inventoryV2.Endpoints[("GET", "/items")] = new EndpointDescriptor
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{
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ServiceName = "inventory",
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Version = "2.0.0",
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Method = "GET",
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Path = "/items"
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};
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routingState.AddConnection(inventoryV1);
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routingState.AddConnection(inventoryV2);
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var connections = routingState.GetConnectionsFor(
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serviceName: "inventory",
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version: "1.0.0",
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method: "GET",
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path: "/items");
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connections.Should().HaveCount(1);
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connections[0].ConnectionId.Should().Be("inv-v1");
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}
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private static ConnectionState CreateConnection(
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string connectionId,
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string serviceName,
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string version,
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string region)
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{
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return new ConnectionState
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{
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ConnectionId = connectionId,
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Instance = new InstanceDescriptor
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{
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InstanceId = connectionId,
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ServiceName = serviceName,
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Version = version,
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Region = region
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},
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Status = InstanceHealthStatus.Healthy,
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LastHeartbeatUtc = DateTime.UtcNow,
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TransportType = TransportType.InMemory
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};
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}
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}
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@@ -0,0 +1,218 @@
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using System.Security.Claims;
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using System.Text.Json;
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using FluentAssertions;
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using Microsoft.AspNetCore.Http;
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using Microsoft.Extensions.DependencyInjection;
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using Microsoft.Extensions.FileProviders;
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using Microsoft.Extensions.Hosting;
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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.Abstractions;
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using StellaOps.Router.Common.Models;
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using StellaOps.Router.Gateway.Authorization;
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using StellaOps.Router.Gateway.Configuration;
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using StellaOps.Router.Gateway.Middleware;
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using StellaOps.Router.Gateway.State;
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using Xunit;
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namespace StellaOps.Router.Gateway.Tests;
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public sealed class MiddlewareErrorScenarioTests
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{
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[Fact]
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public async Task EndpointResolutionMiddleware_WhenNoEndpoint_Returns404StructuredError()
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{
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var context = CreateContext(method: "GET", path: "/missing");
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var routingState = new InMemoryRoutingState();
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var nextCalled = false;
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var middleware = new EndpointResolutionMiddleware(_ =>
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{
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nextCalled = true;
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return Task.CompletedTask;
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});
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await middleware.Invoke(context, routingState);
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nextCalled.Should().BeFalse();
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context.Response.StatusCode.Should().Be(StatusCodes.Status404NotFound);
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var body = ReadJson(context);
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body.GetProperty("error").GetString().Should().Be("Endpoint not found");
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body.GetProperty("status").GetInt32().Should().Be(404);
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body.GetProperty("method").GetString().Should().Be("GET");
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body.GetProperty("path").GetString().Should().Be("/missing");
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body.GetProperty("traceId").GetString().Should().Be("trace-1");
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}
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[Fact]
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public async Task RoutingDecisionMiddleware_WhenNoInstances_Returns503StructuredError()
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{
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var context = CreateContext(method: "GET", path: "/items");
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context.Items[RouterHttpContextKeys.EndpointDescriptor] = new EndpointDescriptor
|
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{
|
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ServiceName = "inventory",
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Version = "1.0.0",
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Method = "GET",
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Path = "/items"
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};
|
||||
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var routingState = new InMemoryRoutingState();
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var plugin = new NullRoutingPlugin();
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var nextCalled = false;
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var middleware = new RoutingDecisionMiddleware(_ =>
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{
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nextCalled = true;
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return Task.CompletedTask;
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});
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||||
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await middleware.Invoke(
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context,
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plugin,
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routingState,
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Options.Create(new RouterNodeConfig { Region = "eu1", NodeId = "gw-eu1-01" }),
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Options.Create(new RoutingOptions { DefaultVersion = null }));
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nextCalled.Should().BeFalse();
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context.Response.StatusCode.Should().Be(StatusCodes.Status503ServiceUnavailable);
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var body = ReadJson(context);
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body.GetProperty("error").GetString().Should().Be("No instances available");
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body.GetProperty("status").GetInt32().Should().Be(503);
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body.GetProperty("service").GetString().Should().Be("inventory");
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body.GetProperty("version").GetString().Should().Be("1.0.0");
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}
|
||||
|
||||
[Fact]
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||||
public async Task AuthorizationMiddleware_WhenMissingClaim_Returns403StructuredError()
|
||||
{
|
||||
var context = CreateContext(method: "GET", path: "/items");
|
||||
context.User = new ClaimsPrincipal(new ClaimsIdentity(
|
||||
[new Claim("scope", "user")],
|
||||
authenticationType: "test"));
|
||||
|
||||
context.Items[RouterHttpContextKeys.EndpointDescriptor] = new EndpointDescriptor
|
||||
{
|
||||
ServiceName = "inventory",
|
||||
Version = "1.0.0",
|
||||
Method = "GET",
|
||||
Path = "/items",
|
||||
RequiringClaims = []
|
||||
};
|
||||
|
||||
var claimsStore = new StaticClaimsStore(
|
||||
[new ClaimRequirement { Type = "scope", Value = "admin" }]);
|
||||
|
||||
var nextCalled = false;
|
||||
var middleware = new AuthorizationMiddleware(
|
||||
_ =>
|
||||
{
|
||||
nextCalled = true;
|
||||
return Task.CompletedTask;
|
||||
},
|
||||
claimsStore,
|
||||
NullLogger<AuthorizationMiddleware>.Instance);
|
||||
|
||||
await middleware.InvokeAsync(context);
|
||||
|
||||
nextCalled.Should().BeFalse();
|
||||
context.Response.StatusCode.Should().Be(StatusCodes.Status403Forbidden);
|
||||
|
||||
var body = ReadJson(context);
|
||||
body.GetProperty("error").GetString().Should().Be("Forbidden");
|
||||
body.GetProperty("status").GetInt32().Should().Be(403);
|
||||
body.GetProperty("service").GetString().Should().Be("inventory");
|
||||
body.GetProperty("version").GetString().Should().Be("1.0.0");
|
||||
body.GetProperty("details").GetProperty("requiredClaimType").GetString().Should().Be("scope");
|
||||
body.GetProperty("details").GetProperty("requiredClaimValue").GetString().Should().Be("admin");
|
||||
}
|
||||
|
||||
[Fact]
|
||||
public async Task GlobalErrorHandlerMiddleware_WhenUnhandledException_Returns500StructuredError()
|
||||
{
|
||||
var context = CreateContext(method: "GET", path: "/boom");
|
||||
var environment = new TestHostEnvironment { EnvironmentName = Environments.Development };
|
||||
|
||||
var middleware = new GlobalErrorHandlerMiddleware(
|
||||
_ => throw new InvalidOperationException("boom"),
|
||||
NullLogger<GlobalErrorHandlerMiddleware>.Instance,
|
||||
environment);
|
||||
|
||||
await middleware.Invoke(context);
|
||||
|
||||
context.Response.StatusCode.Should().Be(StatusCodes.Status500InternalServerError);
|
||||
|
||||
var body = ReadJson(context);
|
||||
body.GetProperty("error").GetString().Should().Be("Internal Server Error");
|
||||
body.GetProperty("status").GetInt32().Should().Be(500);
|
||||
body.GetProperty("message").GetString().Should().Be("boom");
|
||||
}
|
||||
|
||||
private static DefaultHttpContext CreateContext(string method, string path, string? queryString = null)
|
||||
{
|
||||
var services = new ServiceCollection();
|
||||
services.AddLogging();
|
||||
services.AddOptions();
|
||||
|
||||
var context = new DefaultHttpContext
|
||||
{
|
||||
RequestServices = services.BuildServiceProvider()
|
||||
};
|
||||
|
||||
context.TraceIdentifier = "trace-1";
|
||||
context.Request.Method = method;
|
||||
context.Request.Path = path;
|
||||
context.Request.QueryString = string.IsNullOrWhiteSpace(queryString) ? QueryString.Empty : new QueryString(queryString);
|
||||
context.Response.Body = new MemoryStream();
|
||||
|
||||
return context;
|
||||
}
|
||||
|
||||
private static JsonElement ReadJson(DefaultHttpContext context)
|
||||
{
|
||||
context.Response.Body.Position = 0;
|
||||
using var doc = JsonDocument.Parse(context.Response.Body);
|
||||
return doc.RootElement.Clone();
|
||||
}
|
||||
|
||||
private sealed class NullRoutingPlugin : IRoutingPlugin
|
||||
{
|
||||
public Task<RoutingDecision?> ChooseInstanceAsync(RoutingContext context, CancellationToken cancellationToken)
|
||||
{
|
||||
return Task.FromResult<RoutingDecision?>(null);
|
||||
}
|
||||
}
|
||||
|
||||
private sealed class StaticClaimsStore : IEffectiveClaimsStore
|
||||
{
|
||||
private readonly IReadOnlyList<ClaimRequirement> _claims;
|
||||
|
||||
public StaticClaimsStore(IReadOnlyList<ClaimRequirement> claims)
|
||||
{
|
||||
_claims = claims;
|
||||
}
|
||||
|
||||
public IReadOnlyList<ClaimRequirement> GetEffectiveClaims(string serviceName, string method, string path) => _claims;
|
||||
|
||||
public void UpdateFromMicroservice(string serviceName, IReadOnlyList<EndpointDescriptor> endpoints)
|
||||
{
|
||||
}
|
||||
|
||||
public void UpdateFromAuthority(IReadOnlyDictionary<EndpointKey, IReadOnlyList<ClaimRequirement>> overrides)
|
||||
{
|
||||
}
|
||||
|
||||
public void RemoveService(string serviceName)
|
||||
{
|
||||
}
|
||||
}
|
||||
|
||||
private sealed class TestHostEnvironment : IHostEnvironment
|
||||
{
|
||||
public string EnvironmentName { get; set; } = Environments.Production;
|
||||
public string ApplicationName { get; set; } = "StellaOps.Router.Gateway.Tests";
|
||||
public string ContentRootPath { get; set; } = Environment.CurrentDirectory;
|
||||
public IFileProvider ContentRootFileProvider { get; set; } = new NullFileProvider();
|
||||
}
|
||||
}
|
||||
@@ -0,0 +1,40 @@
|
||||
using FluentAssertions;
|
||||
using Microsoft.Extensions.DependencyInjection;
|
||||
using Microsoft.Extensions.Options;
|
||||
using StellaOps.Router.Gateway.Configuration;
|
||||
using StellaOps.Router.Gateway.DependencyInjection;
|
||||
using Xunit;
|
||||
|
||||
namespace StellaOps.Router.Gateway.Tests;
|
||||
|
||||
public sealed class RouterNodeConfigValidationTests
|
||||
{
|
||||
[Fact]
|
||||
public void RouterNodeConfig_WhenRegionMissing_ThrowsOptionsValidationException()
|
||||
{
|
||||
var services = new ServiceCollection();
|
||||
services.AddRouterGatewayCore();
|
||||
|
||||
using var provider = services.BuildServiceProvider();
|
||||
|
||||
var act = () => provider.GetRequiredService<IOptions<RouterNodeConfig>>().Value;
|
||||
|
||||
act.Should().Throw<OptionsValidationException>();
|
||||
}
|
||||
|
||||
[Fact]
|
||||
public void RouterNodeConfig_WhenRegionProvided_GeneratesNodeIdIfMissing()
|
||||
{
|
||||
var services = new ServiceCollection();
|
||||
services.AddRouterGatewayCore();
|
||||
services.Configure<RouterNodeConfig>(c => c.Region = "test");
|
||||
|
||||
using var provider = services.BuildServiceProvider();
|
||||
|
||||
var config = provider.GetRequiredService<IOptions<RouterNodeConfig>>().Value;
|
||||
|
||||
config.Region.Should().Be("test");
|
||||
config.NodeId.Should().StartWith("gw-test-");
|
||||
config.NodeId.Should().HaveLength("gw-test-".Length + 8);
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user