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test(engine-ambient): TestBattleScope + HeadlessFixture split for multi-instance

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Step 6 of multi-instancing migration. HeadlessEngineEnv.EnsureInitialized
is split into EnsureProcessGlobals (idempotent, process-once) +
SeedCharaIdsOnCurrentAmbient (per-test). New TestBattleScope IDisposable
sets up a fresh BattleAmbientContext per test. NonParallelizable removed
from converted classes; assembly-level Parallelizable(Fixtures) enabled.

SVSim.BattleEngine.Tests fully green under parallel test execution.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
gamer147
2026-06-07 22:24:21 -04:00
parent 1ba75c565a
commit 8af1be6555
22 changed files with 238 additions and 39 deletions
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9
SVSim.BattleEngine.Tests/RngSeamTests.cs
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@@ -9,6 +9,11 @@ namespace SVSim.BattleEngine.Tests
[TestFixture]
public class RngSeamTests
{
private TestBattleScope _scope;
[SetUp] public void SetUpScope() { _scope = new TestBattleScope(); }
[TearDown] public void TearDownScope() { _scope?.Dispose(); _scope = null; }
// RandomSourceBridge.Range must mirror the engine's exact roll arithmetic:
// BattleManagerBase.StableRandom does `(int)Math.Floor((double)val * unit)`.
[Test]
@@ -60,7 +65,6 @@ namespace SVSim.BattleEngine.Tests
[Test]
public void Override_rolls_real_values_under_IsForecast()
{
HeadlessEngineEnv.EnsureInitialized();
BattleManagerBase.IsForecast = true; // would zero the un-overridden engine RNG
// 3 units; with RandomSourceBridge.Range(val, unit) = floor(val*unit):
@@ -69,6 +73,7 @@ namespace SVSim.BattleEngine.Tests
// StableRandomOnlySelf(10) -> scripted self pick 4
var src = new ScriptedRandomSource(new[] { 0.5, 0.25 }, new[] { 4 });
var mgr = new HeadlessBattleMgr(new HeadlessContentsCreator(), src);
_scope.Ctx.Mgr = mgr;
Assert.That(mgr.StableRandom(7), Is.EqualTo(3), "StableRandom did not use the injected source");
Assert.That(mgr.randomResult, Is.EqualTo(0.5), "StableRandom must set randomResult to the rolled unit");
@@ -84,10 +89,10 @@ namespace SVSim.BattleEngine.Tests
[Test]
public void Default_source_matches_engine_generator_and_formula()
{
HeadlessEngineEnv.EnsureInitialized();
BattleManagerBase.IsForecast = true;
var mgr = new HeadlessBattleMgr(new HeadlessContentsCreator()); // default SeededRandomSource(12345)
_scope.Ctx.Mgr = mgr;
var reference = new System.Random(12345);
for (int i = 0; i < 10; i++)