110 lines
3.8 KiB
C#
110 lines
3.8 KiB
C#
using Xunit;
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using System.Text.Json;
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using System.Threading.Tasks;
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using StellaOps.Policy.Engine.Overlay;
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using StellaOps.Policy.Engine.Tests.Fakes;
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using StellaOps.Policy.Engine.Services;
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using StellaOps.Policy.Engine.Streaming;
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using StellaOps.TestKit;
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namespace StellaOps.Policy.Engine.Tests;
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public sealed class PathScopeSimulationBridgeServiceTests
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{
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private static readonly JsonSerializerOptions SerializerOptions = new(JsonSerializerDefaults.Web);
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[Trait("Category", TestCategories.Unit)]
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[Fact]
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public async Task SimulateAsync_OrdersByInputAndProducesMetrics()
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{
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var bridge = CreateBridge();
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var request = new PathScopeSimulationBridgeRequest(
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Tenant: "acme",
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Rules: Array.Empty<string>(),
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Overlays: null,
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Paths: new[]
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{
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BuildPathRequest("b/file.js"),
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BuildPathRequest("a/file.js")
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},
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Mode: "preview",
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Seed: 123);
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var result = await bridge.SimulateAsync(request);
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Assert.Equal(2, result.Decisions.Count);
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Assert.Contains("\"filePath\":\"b/file.js\"", JsonSerializer.Serialize(result.Decisions[0].PathScope, SerializerOptions));
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Assert.Contains("\"filePath\":\"a/file.js\"", JsonSerializer.Serialize(result.Decisions[1].PathScope, SerializerOptions));
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Assert.Equal(2, result.Metrics.Evaluated);
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}
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[Trait("Category", TestCategories.Unit)]
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[Fact]
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public async Task SimulateAsync_WhatIfProducesDeltas()
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{
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var bridge = CreateBridge();
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var request = new PathScopeSimulationBridgeRequest(
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Tenant: "acme",
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Rules: Array.Empty<string>(),
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Overlays: null,
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Paths: new[] { BuildPathRequest("a/file.js") },
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Mode: "whatif",
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Seed: 42);
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var result = await bridge.SimulateAsync(request);
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Assert.Single(result.Decisions);
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Assert.NotNull(result.Deltas);
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Assert.Single(result.Deltas!);
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}
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[Trait("Category", TestCategories.Unit)]
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[Fact]
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public async Task SimulateAsync_PublishesEventsAndSavesOverlays()
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{
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var sink = new FakeOverlayEventSink();
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var store = new FakeOverlayStore();
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var bridge = CreateBridge(sink, store);
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var request = new PathScopeSimulationBridgeRequest(
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Tenant: "acme",
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Rules: Array.Empty<string>(),
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Overlays: null,
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Paths: new[] { BuildPathRequest("a/file.js") },
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Mode: "whatif",
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Seed: 99);
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await bridge.SimulateAsync(request);
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Assert.NotEmpty(sink.Published);
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Assert.NotEmpty(store.Saved);
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}
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private static PathScopeSimulationBridgeService CreateBridge(
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IOverlayEventSink? sink = null,
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IOverlayStore? store = null)
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{
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sink ??= new FakeOverlayEventSink();
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store ??= new FakeOverlayStore();
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var overlayService = new OverlayProjectionService(new PolicyEvaluationService(), TimeProvider.System);
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var publisher = new OverlayChangeEventPublisher(sink, TimeProvider.System);
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return new PathScopeSimulationBridgeService(overlayService, publisher, store);
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}
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private static PathScopeSimulationRequest BuildPathRequest(string filePath) =>
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new(
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SchemaVersion: "1.0.0",
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Tenant: "acme",
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BasePolicyRef: "policy://acme/main@sha256:1",
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CandidatePolicyRef: "policy://acme/feat@sha256:2",
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Subject: new PathScopeSubject("pkg:npm/lodash@4.17.21", null, "lib.js", null),
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Targets: new[]
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{
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new PathScopeTarget(filePath, "pat", "prefix", 0.9, null, null, null, "e1", null, null)
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},
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Options: new SimulationOptions("path,finding,verdict", 100, IncludeTrace: true, Deterministic: true));
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}
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