NEO-136: add ReputationOperations auditable standing apply

pull/175/head
VinPropane 2026-06-15 20:48:42 -04:00
parent e9abc8bf38
commit 8aae9625e7
4 changed files with 436 additions and 0 deletions

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using Microsoft.Extensions.DependencyInjection;
using Microsoft.Extensions.Options;
using NeonSprawl.Server.Game.Factions;
using NeonSprawl.Server.Game.PositionState;
using NeonSprawl.Server.Tests;
using Xunit;
namespace NeonSprawl.Server.Tests.Game.Factions;
public sealed class ReputationOperationsTests
{
private const string PlayerId = "dev-local-1";
private const string UnknownPlayerId = "unknown-player-xyz";
private const string GridFactionId = "prototype_faction_grid_operators";
private const string RustFactionId = "prototype_faction_rust_collective";
private const string QuestSourceId = "prototype_quest_operator_chain";
private static readonly DateTimeOffset RecordedAt = new(2026, 6, 15, 14, 0, 0, TimeSpan.Zero);
[Fact]
public void TryApplyDelta_ShouldApplyStandingAndAppendAudit_WhenHappyPath()
{
// Arrange
var standingStore = CreateStandingStore();
var auditStore = CreateAuditStore();
var timeProvider = new FakeTimeProvider(RecordedAt);
// Act
var outcome = ReputationOperations.TryApplyDelta(
PlayerId,
GridFactionId,
15,
"delta-001",
ReputationDeltaSourceKinds.QuestCompletion,
QuestSourceId,
standingStore,
auditStore,
timeProvider);
var rows = auditStore.GetDeltasForPlayer(PlayerId);
// Assert
Assert.True(outcome.Success);
Assert.Null(outcome.ReasonCode);
Assert.Equal(0, outcome.PreviousStanding);
Assert.Equal(15, outcome.NewStanding);
Assert.NotNull(outcome.AuditRow);
Assert.Equal("delta-001", outcome.AuditRow!.Id);
Assert.Equal(15, outcome.AuditRow.DeltaAmount);
Assert.Equal(15, outcome.AuditRow.ResultingStanding);
Assert.Equal(ReputationDeltaSourceKinds.QuestCompletion, outcome.AuditRow.SourceKind);
Assert.Equal(QuestSourceId, outcome.AuditRow.SourceId);
Assert.Equal(RecordedAt, outcome.AuditRow.RecordedAt);
var read = Assert.Single(rows);
Assert.Equal(outcome.AuditRow, read);
Assert.Equal(15, standingStore.TryGetStanding(PlayerId, GridFactionId).Standing);
}
[Fact]
public void TryApplyDelta_ShouldClampToMax_WhenDeltaExceedsBand()
{
// Arrange
var standingStore = CreateStandingStore();
var auditStore = CreateAuditStore();
Assert.True(standingStore.TryApplyStandingDelta(PlayerId, GridFactionId, 95).Success);
// Act
var outcome = ReputationOperations.TryApplyDelta(
PlayerId,
GridFactionId,
50,
"delta-max",
ReputationDeltaSourceKinds.QuestCompletion,
QuestSourceId,
standingStore,
auditStore,
TimeProvider.System);
// Assert
Assert.True(outcome.Success);
Assert.Equal(95, outcome.PreviousStanding);
Assert.Equal(100, outcome.NewStanding);
Assert.Equal(100, outcome.AuditRow!.ResultingStanding);
Assert.Equal(100, standingStore.TryGetStanding(PlayerId, GridFactionId).Standing);
}
[Fact]
public void TryApplyDelta_ShouldClampToMin_WhenDeltaBelowBand()
{
// Arrange
var standingStore = CreateStandingStore();
var auditStore = CreateAuditStore();
Assert.True(standingStore.TryApplyStandingDelta(PlayerId, GridFactionId, -95).Success);
// Act
var outcome = ReputationOperations.TryApplyDelta(
PlayerId,
GridFactionId,
-50,
"delta-min",
ReputationDeltaSourceKinds.QuestCompletion,
QuestSourceId,
standingStore,
auditStore,
TimeProvider.System);
// Assert
Assert.True(outcome.Success);
Assert.Equal(-95, outcome.PreviousStanding);
Assert.Equal(-100, outcome.NewStanding);
Assert.Equal(-100, outcome.AuditRow!.ResultingStanding);
Assert.Equal(-100, standingStore.TryGetStanding(PlayerId, GridFactionId).Standing);
}
[Fact]
public void TryApplyDelta_ShouldDenyUnknownFaction_WithStructuredReason()
{
// Arrange
var standingStore = CreateStandingStore();
var auditStore = CreateAuditStore();
// Act
var outcome = ReputationOperations.TryApplyDelta(
PlayerId,
"not_a_real_faction",
10,
"delta-unknown",
ReputationDeltaSourceKinds.QuestCompletion,
QuestSourceId,
standingStore,
auditStore,
TimeProvider.System);
// Assert
Assert.False(outcome.Success);
Assert.Equal(FactionStandingReasonCodes.UnknownFaction, outcome.ReasonCode);
Assert.Equal(0, standingStore.TryGetStanding(PlayerId, GridFactionId).Standing);
Assert.Empty(auditStore.GetDeltasForPlayer(PlayerId));
}
[Fact]
public void TryApplyDelta_ShouldDenyInvalidDelta_WhenAmountZero()
{
// Arrange
var standingStore = CreateStandingStore();
var auditStore = CreateAuditStore();
// Act
var outcome = ReputationOperations.TryApplyDelta(
PlayerId,
GridFactionId,
0,
"delta-zero",
ReputationDeltaSourceKinds.QuestCompletion,
QuestSourceId,
standingStore,
auditStore,
TimeProvider.System);
// Assert
Assert.False(outcome.Success);
Assert.Equal(ReputationApplyReasonCodes.InvalidDelta, outcome.ReasonCode);
Assert.Equal(0, standingStore.TryGetStanding(PlayerId, GridFactionId).Standing);
Assert.Empty(auditStore.GetDeltasForPlayer(PlayerId));
}
[Fact]
public void TryApplyDelta_ShouldDenyInvalidDeltaId_WhenEmpty()
{
// Arrange
var standingStore = CreateStandingStore();
var auditStore = CreateAuditStore();
// Act
var outcome = ReputationOperations.TryApplyDelta(
PlayerId,
GridFactionId,
10,
" ",
ReputationDeltaSourceKinds.QuestCompletion,
QuestSourceId,
standingStore,
auditStore,
TimeProvider.System);
// Assert
Assert.False(outcome.Success);
Assert.Equal(ReputationApplyReasonCodes.InvalidDeltaId, outcome.ReasonCode);
Assert.Equal(0, standingStore.TryGetStanding(PlayerId, GridFactionId).Standing);
Assert.Empty(auditStore.GetDeltasForPlayer(PlayerId));
}
[Fact]
public void TryApplyDelta_ShouldDenyInvalidSource_WhenEmpty()
{
// Arrange
var standingStore = CreateStandingStore();
var auditStore = CreateAuditStore();
// Act
var emptyKind = ReputationOperations.TryApplyDelta(
PlayerId,
GridFactionId,
10,
"delta-source-kind",
" ",
QuestSourceId,
standingStore,
auditStore,
TimeProvider.System);
var emptyId = ReputationOperations.TryApplyDelta(
PlayerId,
RustFactionId,
10,
"delta-source-id",
ReputationDeltaSourceKinds.QuestCompletion,
"",
standingStore,
auditStore,
TimeProvider.System);
// Assert
Assert.False(emptyKind.Success);
Assert.Equal(ReputationApplyReasonCodes.InvalidSource, emptyKind.ReasonCode);
Assert.False(emptyId.Success);
Assert.Equal(ReputationApplyReasonCodes.InvalidSource, emptyId.ReasonCode);
Assert.Equal(0, standingStore.TryGetStanding(PlayerId, GridFactionId).Standing);
Assert.Equal(0, standingStore.TryGetStanding(PlayerId, RustFactionId).Standing);
Assert.Empty(auditStore.GetDeltasForPlayer(PlayerId));
}
[Fact]
public void TryApplyDelta_ShouldRollbackStanding_WhenAuditAppendFails()
{
// Arrange
var standingStore = CreateStandingStore();
var auditStore = CreateAuditStore();
Assert.True(auditStore.TryAppend(CreateAuditRow("delta-conflict", 1, 1)));
// Act
var outcome = ReputationOperations.TryApplyDelta(
PlayerId,
GridFactionId,
15,
"delta-conflict",
ReputationDeltaSourceKinds.QuestCompletion,
QuestSourceId,
standingStore,
auditStore,
TimeProvider.System);
// Assert
Assert.False(outcome.Success);
Assert.Equal(ReputationApplyReasonCodes.AuditAppendFailed, outcome.ReasonCode);
Assert.Equal(0, outcome.PreviousStanding);
Assert.Equal(0, outcome.NewStanding);
Assert.Null(outcome.AuditRow);
Assert.Equal(0, standingStore.TryGetStanding(PlayerId, GridFactionId).Standing);
Assert.Single(auditStore.GetDeltasForPlayer(PlayerId));
}
[Fact]
public void TryApplyDelta_ShouldDenyNonWritablePlayer()
{
// Arrange
var standingStore = CreateStandingStore();
var auditStore = CreateAuditStore();
// Act
var outcome = ReputationOperations.TryApplyDelta(
UnknownPlayerId,
GridFactionId,
10,
"delta-player",
ReputationDeltaSourceKinds.QuestCompletion,
QuestSourceId,
standingStore,
auditStore,
TimeProvider.System);
// Assert
Assert.False(outcome.Success);
Assert.Equal(FactionStandingReasonCodes.PlayerNotWritable, outcome.ReasonCode);
Assert.Empty(auditStore.GetDeltasForPlayer(UnknownPlayerId));
}
[Fact]
public async Task Host_ShouldApplyReputationDeltaViaOps_WhenStartupSucceeds()
{
// Arrange
await using var factory = new InMemoryWebApplicationFactory();
using var client = factory.CreateClient();
_ = await client.GetAsync("/health");
var standingStore = factory.Services.GetRequiredService<IFactionStandingStore>();
var auditStore = factory.Services.GetRequiredService<IReputationDeltaStore>();
// Act
var outcome = ReputationOperations.TryApplyDelta(
PlayerId,
GridFactionId,
15,
"delta-host",
ReputationDeltaSourceKinds.QuestCompletion,
QuestSourceId,
standingStore,
auditStore,
TimeProvider.System);
// Assert
Assert.True(outcome.Success);
Assert.Equal(15, standingStore.TryGetStanding(PlayerId, GridFactionId).Standing);
Assert.Single(auditStore.GetDeltasForPlayer(PlayerId));
}
private static InMemoryFactionStandingStore CreateStandingStore()
{
var registry = CreatePrototypeRegistry();
var options = Options.Create(new GamePositionOptions { DevPlayerId = PlayerId });
return new InMemoryFactionStandingStore(options, registry);
}
private static InMemoryReputationDeltaStore CreateAuditStore() => new();
private static ReputationDeltaRow CreateAuditRow(string id, int delta, int resulting) =>
new(
id,
PlayerId,
GridFactionId,
delta,
resulting,
ReputationDeltaSourceKinds.QuestCompletion,
QuestSourceId,
RecordedAt);
private static FactionDefinitionRegistry CreatePrototypeRegistry()
{
var byId = new Dictionary<string, FactionDefRow>(StringComparer.Ordinal)
{
[GridFactionId] = PrototypeE7M3FactionCatalogRules.ExpectedFactionFreeze[GridFactionId],
[RustFactionId] = PrototypeE7M3FactionCatalogRules.ExpectedFactionFreeze[RustFactionId],
};
var catalog = new FactionDefinitionCatalog("/tmp/catalog", byId, catalogJsonFileCount: 1);
return new FactionDefinitionRegistry(catalog);
}
private sealed class FakeTimeProvider(DateTimeOffset utcNow) : TimeProvider
{
public override DateTimeOffset GetUtcNow() => utcNow;
}
}

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namespace NeonSprawl.Server.Game.Factions;
/// <summary>Result of <see cref="ReputationOperations.TryApplyDelta"/> (NEO-136).</summary>
public readonly record struct ReputationApplyOutcome(
bool Success,
string? ReasonCode,
int PreviousStanding,
int NewStanding,
ReputationDeltaRow? AuditRow);

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namespace NeonSprawl.Server.Game.Factions;
/// <summary>Stable deny reason codes for <see cref="ReputationOperations.TryApplyDelta"/> (NEO-136).</summary>
public static class ReputationApplyReasonCodes
{
public const string InvalidDelta = "invalid_delta";
public const string InvalidDeltaId = "invalid_delta_id";
public const string InvalidSource = "invalid_source";
public const string AuditAppendFailed = "audit_append_failed";
}

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namespace NeonSprawl.Server.Game.Factions;
/// <summary>
/// Orchestrates auditable faction standing apply: standing mutation + append-only audit row (NEO-136).
/// Quest reward wiring: <see cref="Rewards.RewardRouterOperations"/> (NEO-138).
/// NEO-141 telemetry hook site: successful apply path in <see cref="TryApplyDelta"/>.
/// </summary>
public static class ReputationOperations
{
/// <summary>
/// Applies a signed standing delta for one player+faction, clamps to faction bounds, and appends one audit row.
/// Callers must not invoke <see cref="IFactionStandingStore.TryApplyStandingDelta"/> alone for game apply.
/// </summary>
public static ReputationApplyOutcome TryApplyDelta(
string playerId,
string factionId,
int deltaAmount,
string deltaId,
string sourceKind,
string sourceId,
IFactionStandingStore standingStore,
IReputationDeltaStore auditStore,
TimeProvider timeProvider)
{
if (deltaAmount == 0)
{
return Deny(ReputationApplyReasonCodes.InvalidDelta);
}
var normalizedDeltaId = deltaId.Trim();
if (normalizedDeltaId.Length == 0)
{
return Deny(ReputationApplyReasonCodes.InvalidDeltaId);
}
var normalizedSourceKind = sourceKind.Trim();
var normalizedSourceId = sourceId.Trim();
if (normalizedSourceKind.Length == 0 || normalizedSourceId.Length == 0)
{
return Deny(ReputationApplyReasonCodes.InvalidSource);
}
var mutation = standingStore.TryApplyStandingDelta(playerId, factionId, deltaAmount);
if (!mutation.Success)
{
return new ReputationApplyOutcome(
false,
mutation.ReasonCode,
mutation.PreviousStanding,
mutation.NewStanding,
null);
}
var row = new ReputationDeltaRow(
normalizedDeltaId,
playerId,
factionId,
deltaAmount,
mutation.NewStanding,
normalizedSourceKind,
normalizedSourceId,
timeProvider.GetUtcNow());
if (auditStore.TryAppend(row))
{
// --- Telemetry hook site (NEO-141): future E9.M1 catalog event `reputation_delta` ---
return new ReputationApplyOutcome(
true,
null,
mutation.PreviousStanding,
mutation.NewStanding,
row);
}
_ = standingStore.TryApplyStandingDelta(playerId, factionId, -deltaAmount);
return new ReputationApplyOutcome(
false,
ReputationApplyReasonCodes.AuditAppendFailed,
mutation.PreviousStanding,
mutation.PreviousStanding,
null);
}
private static ReputationApplyOutcome Deny(string reasonCode) =>
new(false, reasonCode, 0, 0, null);
}