Files
git.stella-ops.org/src/Policy/__Tests/StellaOps.Policy.Engine.Tests/PathScopeSimulationBridgeServiceTests.cs

110 lines
3.8 KiB
C#

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