acdream/tests/AcDream.Headless.Tests/HeadlessConsoleTests.cs
2026-09-07 08:27:39 +02:00

860 lines
33 KiB
C#

using System.Buffers.Binary;
using System.Diagnostics;
using System.Net;
using System.Text;
using AcDream.Core.Chat;
using AcDream.Core.Net;
using AcDream.Core.Net.Messages;
using AcDream.Headless.Configuration;
using AcDream.Headless.Credentials;
using AcDream.Headless.Diagnostics;
using AcDream.Headless.Hosting;
using AcDream.Headless.Platform;
using AcDream.Plugin.Abstractions;
using AcDream.Runtime;
using AcDream.Runtime.Chat;
using AcDream.Runtime.Session;
namespace AcDream.Headless.Tests;
/// <summary>
/// docs/plans/2026-09-07-headless-console.md — the headless interactive
/// console. Two layers: <see cref="HeadlessConsoleInputReader"/> /
/// <see cref="HeadlessConsoleController"/> tested in isolation (no live
/// server, no <see cref="HeadlessSessionHost"/>), then
/// <see cref="HeadlessSessionHost.SubmitConsoleLine"/> tested against a real
/// host wired to <see cref="FixtureSessionOperations"/> — the same
/// no-network fixture pattern <c>HeadlessSessionHostTests</c> already uses
/// for <c>LoginCommandSequence</c>, proving the console reuses the EXACT
/// same pipeline rather than a second parser.
/// </summary>
public sealed class HeadlessConsoleTests
{
// ── HeadlessConsoleOptions (typed option resolution) ─────────────────
[Theory]
[InlineData(true, "0", false, true)] // CLI flag always wins, even over env "0"
[InlineData(false, "1", false, true)] // env var "1" wins over terminal default
[InlineData(false, "yes", false, true)] // any non-"0" env value enables (RETAIL_CLOSE_DEGRADES/RETAIL_UI idiom)
// S1 fix (2026-09-07 review round): ACDREAM_HEADLESS_CONSOLE=0 must
// disable the console even when stdin IS a real terminal — the earlier
// `== "1"` test let "0" silently fall through to the terminal-shaped
// default instead of acting as the documented A/B off-switch.
[InlineData(false, "0", true, false)] // env var "0" disables even when stdin is a terminal
[InlineData(false, "0", false, false)] // env var "0" disables when stdin is redirected too
[InlineData(false, null, true, true)] // no flag/env -> terminal-shaped default (on)
[InlineData(false, null, false, false)] // no flag/env -> terminal-shaped default (off)
public void ResolvePrefersFlagThenEnvironmentThenTerminalDefault(
bool commandLineFlag,
string? environmentValue,
bool standardInputIsTerminal,
bool expected)
{
bool resolved = HeadlessConsoleOptions.Resolve(
commandLineFlag,
_ => environmentValue,
standardInputIsTerminal);
Assert.Equal(expected, resolved);
}
[Fact]
public void CommandLineParsesTheBareConsoleFlag()
{
HeadlessCommandLine parsed = HeadlessCommandLine.Parse(
["run", "--config", "bot.json", "--console"]);
Assert.True(parsed.ConsoleEnabled);
Assert.Equal("bot.json", parsed.ConfigurationPath);
}
[Fact]
public void CommandLineWithoutTheFlagDefaultsConsoleOff()
{
HeadlessCommandLine parsed = HeadlessCommandLine.Parse(
["run", "--config", "bot.json"]);
Assert.False(parsed.ConsoleEnabled);
}
/// <summary>
/// N3: validate mode rejects <c>--console</c> outright (rather than
/// silently ignoring it) — validate never starts a session, so there is
/// nothing for the console to attach to.
/// </summary>
[Fact]
public void ValidateModeRejectsTheConsoleFlag()
{
Assert.Throws<HeadlessCommandLineException>(() =>
HeadlessCommandLine.Parse(
["validate", "--config", "bot.json", "--console"]));
}
// ── HeadlessConsoleInputReader: reader-thread/ordering ───────────────
/// <summary>
/// The required reader-thread test: lines produced by the background
/// thread are drained, in FIFO order, entirely on the CALLING thread.
/// The reader thread itself never runs anything beyond
/// <c>ConcurrentQueue.Enqueue</c> — there is no dispatch code it could
/// execute — so this also structurally proves "never executed on the
/// reader thread," not just orders the output.
/// </summary>
[Fact]
public void LinesQueuedByTheReaderThreadDrainInOrderOnTheCallingThread()
{
using var input = new System.IO.StringReader(
"one" + Environment.NewLine
+ "two" + Environment.NewLine
+ "three" + Environment.NewLine);
using var reader = new HeadlessConsoleInputReader(input);
Assert.True(
reader.EndOfInput.Wait(TimeSpan.FromSeconds(5)),
"the reader thread never reached EOF");
int callingThread = Environment.CurrentManagedThreadId;
var drained = new List<string>();
while (reader.TryDequeue(out string line))
{
drained.Add(line);
// Proves the dequeue (and everything a caller does with the
// line) runs on THIS thread, not the reader thread.
Assert.Equal(callingThread, Environment.CurrentManagedThreadId);
}
Assert.Equal(["one", "two", "three"], drained);
}
/// <summary>
/// S2 (2026-09-07 review round): makes the "never runs on the reader
/// thread" pin FALSIFIABLE rather than merely structurally argued. The
/// prior test proves ordering but infers "never the reader thread" from
/// the reader loop's own code having nothing to dispatch — this test
/// records the ACTUAL thread id <see cref="TextReader.ReadLine"/> ran on
/// (via <see cref="ThreadIdRecordingTextReader"/>) and asserts, from
/// inside the controller's own submit callback, that the executing
/// thread is neither that reader thread nor any other unexpected
/// thread — it must be exactly the thread that called
/// <see cref="HeadlessConsoleController.DrainDue"/>.
/// </summary>
[Fact]
public void SubmitRunsOnTheDrainCallersThreadNeverTheReaderThread()
{
using var fixture = new ThreadIdRecordingTextReader(
new System.IO.StringReader("hello" + Environment.NewLine));
int? observedSubmitThreadId = null;
using var quit = new CancellationTokenSource();
using var controller = new HeadlessConsoleController(
fixture,
TextWriter.Null,
line =>
{
observedSubmitThreadId = Environment.CurrentManagedThreadId;
return SubmitOutcome.Sent;
},
() => string.Empty,
quit);
Assert.True(WaitForEndOfInput(controller));
int drainCallerThreadId = Environment.CurrentManagedThreadId;
controller.DrainDue();
Assert.NotNull(fixture.ReadLineThreadId);
Assert.NotNull(observedSubmitThreadId);
Assert.NotEqual(fixture.ReadLineThreadId, observedSubmitThreadId);
Assert.Equal(drainCallerThreadId, observedSubmitThreadId);
}
// ── HeadlessConsoleController: /quit, /status, dispatch ordering ─────
[Fact]
public void ControllerDrainsEveryLineQueuedSinceTheLastTickInOrderOnOneCall()
{
// Simulates "input queued during a busy tick": every line is
// enqueued by the reader thread before DrainDue is ever called —
// one DrainDue call must still process all of them, in order.
using var input = new System.IO.StringReader(
"alpha" + Environment.NewLine
+ "beta" + Environment.NewLine
+ "gamma" + Environment.NewLine);
var handled = new List<string>();
using var quit = new CancellationTokenSource();
using var controller = new HeadlessConsoleController(
input,
TextWriter.Null,
line =>
{
handled.Add(line);
return SubmitOutcome.Sent;
},
() => string.Empty,
quit);
Assert.True(
WaitForEndOfInput(controller),
"the reader thread never reached EOF");
controller.DrainDue();
Assert.Equal(["alpha", "beta", "gamma"], handled);
Assert.Equal(3, controller.LastDrainCount);
// A second drain with nothing queued does nothing — proves DrainDue
// does not re-process already-handled lines.
controller.DrainDue();
Assert.Equal(["alpha", "beta", "gamma"], handled);
Assert.Equal(0, controller.LastDrainCount);
}
[Fact]
public void QuitRequestsCancellationAndNeverReachesSubmit()
{
using var input = new System.IO.StringReader("/quit" + Environment.NewLine);
var submitted = new List<string>();
var output = new StringWriter();
using var quit = new CancellationTokenSource();
using var controller = new HeadlessConsoleController(
input,
output,
line =>
{
submitted.Add(line);
return SubmitOutcome.Sent;
},
() => string.Empty,
quit);
Assert.True(WaitForEndOfInput(controller));
controller.DrainDue();
Assert.True(quit.IsCancellationRequested);
Assert.Empty(submitted);
Assert.Contains("quitting", output.ToString(), StringComparison.OrdinalIgnoreCase);
}
[Fact]
public void StatusPrintsTheProvidedStatusTextAndNeverReachesSubmit()
{
using var input = new System.IO.StringReader("/status" + Environment.NewLine);
var submitted = new List<string>();
var output = new StringWriter();
using var quit = new CancellationTokenSource();
using var controller = new HeadlessConsoleController(
input,
output,
line =>
{
submitted.Add(line);
return SubmitOutcome.Sent;
},
() => "generation=1 position=unknown plugins=0 loaded",
quit);
Assert.True(WaitForEndOfInput(controller));
controller.DrainDue();
Assert.Empty(submitted);
Assert.Contains(
"generation=1 position=unknown plugins=0 loaded",
output.ToString());
}
/// <summary>
/// S4: <see cref="SubmitOutcome.UnknownCommand"/> and
/// <see cref="SubmitOutcome.Dropped"/> get a visible console line —
/// matching <c>LoginCommandSequence.DrainDue</c>'s own reporting for the
/// same two outcomes — instead of silently doing nothing.
/// </summary>
[Theory]
[InlineData(SubmitOutcome.UnknownCommand)]
[InlineData(SubmitOutcome.Dropped)]
public void UnknownOrDroppedOutcomePrintsAVisibleLine(SubmitOutcome outcome)
{
using var input = new System.IO.StringReader("garbage" + Environment.NewLine);
var output = new StringWriter();
using var quit = new CancellationTokenSource();
using var controller = new HeadlessConsoleController(
input,
output,
_ => outcome,
() => string.Empty,
quit);
Assert.True(WaitForEndOfInput(controller));
controller.DrainDue();
Assert.Contains("garbage", output.ToString());
Assert.Contains(outcome.ToString(), output.ToString());
}
/// <summary>
/// S4: a throwing submit callback (a console typo hitting a downstream
/// bug in a plugin verb handler, say) never escapes <c>DrainDue</c> —
/// it must never reach the scheduler's per-session quarantine catch and
/// fault the whole session over one bad console line. Mirrors
/// <c>LoginCommandSequence.DrainDue</c>'s own try/catch.
/// </summary>
[Fact]
public void SubmitFailurePrintsALineAndNeverEscapesDrainDue()
{
using var input = new System.IO.StringReader("boom" + Environment.NewLine);
var output = new StringWriter();
using var quit = new CancellationTokenSource();
using var controller = new HeadlessConsoleController(
input,
output,
_ => throw new InvalidOperationException("fixture failure"),
() => string.Empty,
quit);
Assert.True(WaitForEndOfInput(controller));
controller.DrainDue();
Assert.Contains("fixture failure", output.ToString());
}
// ── HeadlessConsoleChatFormatter: channel-prefixed rendering ─────────
[Theory]
[InlineData("Bob", 0x50000010u, "hi", "[Local] Bob: hi")]
[InlineData("", 0u, "hi", "[Local] You: hi")]
public void FormatsLocalSpeechWithTheLocalLabel(
string sender, uint senderGuid, string text, string expected)
{
var entry = new RuntimeChatEntry(
Revision: 1,
SenderGuid: senderGuid,
Kind: (int)ChatKind.LocalSpeech,
Sender: sender,
Text: text,
ChannelName: string.Empty);
Assert.Equal(expected, HeadlessConsoleChatFormatter.Format(entry));
}
[Fact]
public void FormatsChannelBroadcastWithItsFriendlyName()
{
var entry = new RuntimeChatEntry(
Revision: 1,
SenderGuid: 0x50000010u,
Kind: (int)ChatKind.Channel,
Sender: "Bob",
Text: "group up",
ChannelName: "Fellowship");
Assert.Equal(
"[Fellowship] Bob: group up",
HeadlessConsoleChatFormatter.Format(entry));
}
[Theory]
[InlineData(0x50000010u, "Bob", "hi", "[Tell] Bob: hi")]
[InlineData(0u, "Bob", "hi", "[Tell] You -> Bob: hi")]
public void FormatsTellWithDirection(
uint senderGuid, string sender, string text, string expected)
{
var entry = new RuntimeChatEntry(
Revision: 1,
SenderGuid: senderGuid,
Kind: (int)ChatKind.Tell,
Sender: sender,
Text: text,
ChannelName: string.Empty);
Assert.Equal(expected, HeadlessConsoleChatFormatter.Format(entry));
}
// ── HeadlessConsoleRenderer: N5 dim-weight rules ─────────────────────
/// <summary>
/// N5: chat and interface text are player-visible content, not
/// scheduling noise — they must print at the terminal's default weight,
/// never dimmed, even when color is enabled.
/// </summary>
[Fact]
public void ChatAndInterfaceTextPrintAtDefaultWeightNeverDimmed()
{
var output = new StringWriter();
var renderer = new HeadlessConsoleRenderer(output, useColor: true);
var entry = new RuntimeChatEntry(
Revision: 1,
SenderGuid: 0x50000010u,
Kind: (int)ChatKind.LocalSpeech,
Sender: "Bob",
Text: "hi",
ChannelName: string.Empty);
renderer.OnChat(new RuntimeChatDelta(default, entry));
renderer.WriteInterfaceText("Unknown command: /x");
string text = output.ToString();
Assert.DoesNotContain("[2m", text);
Assert.Contains("[Local] Bob: hi", text);
Assert.Contains("Unknown command: /x", text);
}
/// <summary>
/// N5: lifecycle, command, and portal lines are scheduling/session-
/// status noise, not player-visible content — dimmed when color is
/// enabled.
/// </summary>
[Fact]
public void LifecycleCommandAndPortalLinesAreDimmedWhenColorIsEnabled()
{
var output = new StringWriter();
var renderer = new HeadlessConsoleRenderer(output, useColor: true);
renderer.OnLifecycle(new RuntimeLifecycleDelta(
default, RuntimeLifecycleState.Starting, RuntimeLifecycleState.InWorld));
renderer.OnCommand(new RuntimeCommandDelta(
default, RuntimeCommandDomain.Chat, 0, RuntimeCommandStatus.Rejected, Text: "boom"));
renderer.OnPortal(new RuntimePortalDelta(
default,
new RuntimePortalSnapshot(
Generation: 1,
RuntimePortalKind.Portal,
Readiness: new RuntimeDestinationReadiness(
1, 0x12345678u, false, false, 0, true, true, true),
Materialized: true,
Completed: false,
Cancelled: false,
WorldViewportObserved: true,
WorldSimulationAvailable: true,
InvariantFailureCount: 0,
WaitCueShown: false,
PortalMaterializationCount: 1)));
string[] lines = output.ToString()
.Split(Environment.NewLine, StringSplitOptions.RemoveEmptyEntries);
Assert.Equal(3, lines.Length);
Assert.All(lines, line => Assert.Contains("[2m", line));
}
// ── HeadlessSessionHost.SubmitConsoleLine: the real dispatch pipeline ─
[Fact]
public void SlashSayProducesTheSameOutboundTalkActionTheGraphicalRouteSends()
{
var captured = new List<byte[]>();
var operations = new FixtureSessionOperations
{
GameActionCapture = body => captured.Add(body),
};
using var credential = new HeadlessCredentialSecret("fixture", "password");
using var host = new HeadlessSessionHost(
Descriptor(),
credential,
new HeadlessDiagnosticWriter(TextWriter.Null),
operations);
Assert.Equal(
RuntimeSessionStartStatus.Connected,
host.Start().Status);
SubmitOutcome outcome = host.SubmitConsoleLine("/say hello");
Assert.Equal(SubmitOutcome.Sent, outcome);
byte[] body = Assert.Single(captured);
Assert.Equal(ChatRequests.TalkOpcode, ActionOpcode(body));
Assert.Equal("hello", TalkText(body));
}
[Fact]
public void PlainTextProducesTheSameOutboundTalkActionAsSlashSay()
{
var captured = new List<byte[]>();
var operations = new FixtureSessionOperations
{
GameActionCapture = body => captured.Add(body),
};
using var credential = new HeadlessCredentialSecret("fixture", "password");
using var host = new HeadlessSessionHost(
Descriptor(),
credential,
new HeadlessDiagnosticWriter(TextWriter.Null),
operations);
Assert.Equal(
RuntimeSessionStartStatus.Connected,
host.Start().Status);
SubmitOutcome outcome = host.SubmitConsoleLine("hello");
Assert.Equal(SubmitOutcome.Sent, outcome);
byte[] body = Assert.Single(captured);
Assert.Equal(ChatRequests.TalkOpcode, ActionOpcode(body));
Assert.Equal("hello", TalkText(body));
}
[Fact]
public void PluginVerbReachesTheRegisteredPluginCommandWithoutTouchingTheWire()
{
var captured = new List<byte[]>();
var operations = new FixtureSessionOperations
{
GameActionCapture = body => captured.Add(body),
};
using var credential = new HeadlessCredentialSecret("fixture", "password");
using var host = new HeadlessSessionHost(
Descriptor(),
credential,
new HeadlessDiagnosticWriter(TextWriter.Null),
operations);
Assert.Equal(
RuntimeSessionStartStatus.Connected,
host.Start().Status);
var received = new List<PluginCommand>();
using IDisposable registration = host.PluginCommands.Register(
"vt",
command => received.Add(command));
SubmitOutcome outcome = host.SubmitConsoleLine("/vt start");
Assert.Equal(SubmitOutcome.ClientHandled, outcome);
PluginCommand command = Assert.Single(received);
Assert.Equal("vt", command.Verb);
Assert.Equal("start", command.Arguments);
Assert.Empty(captured);
}
/// <summary>
/// S5 rework: <c>SubmitConsoleLine</c> no longer takes a per-call
/// interface-text callback — retail's transient interface text
/// (<c>ClientLocal</c>) lands in the shared
/// <see cref="AcDream.Core.Chat.SpewBoxState"/> exactly like every other
/// producer of that text (see <c>RuntimeCommunicationState.AddText</c>),
/// and the console's own per-tick pump polls it — proven directly here
/// against the real <see cref="AcDream.Core.Chat.SpewBoxState"/> rather
/// than a decorator only this call site could see.
/// </summary>
[Fact]
public void UnknownVerbProducesTheSameChatLineTheChatBoxShows()
{
var operations = new FixtureSessionOperations();
using var credential = new HeadlessCredentialSecret("fixture", "password");
using var host = new HeadlessSessionHost(
Descriptor(),
credential,
new HeadlessDiagnosticWriter(TextWriter.Null),
operations);
Assert.Equal(
RuntimeSessionStartStatus.Connected,
host.Start().Status);
// A bare "/" is retail's degenerate-prefix case (no letter verb) —
// ChatCommandRouter refuses it locally instead of sending it to the
// server or speech (ChatCommandRouterTests.
// DegeneratePrefix_UnknownCommand_ShowsRefusal_ViaInterfaceTextSeam
// pins the exact same text for the graphical route).
SubmitOutcome outcome = host.SubmitConsoleLine("/");
Assert.Equal(SubmitOutcome.UnknownCommand, outcome);
// Owner override 2026-09-07 (register row AD-124): the refusal lands
// in the CHAT scroll, not the SpewBox — the same line the graphical
// chat box shows (ChatCommandRouterFeedbackRoutingTests pins that
// route). The console sees it through OnChat, so the SpewBox stays
// empty.
var chatEntry = Assert.Single(host.Runtime.CommunicationOwner.Chat.Snapshot());
Assert.Contains("Unknown command:", chatEntry.Text);
SpewBoxState spewBox = host.Runtime.CommunicationOwner.SpewBox;
spewBox.Tick(host.Runtime.Clock.SimulationTimeSeconds);
Assert.Empty(spewBox.Snapshot());
}
// ── HeadlessConsoleSpewBoxPump: server/plugin-driven interface text ──
/// <summary>
/// S5: the pump must surface interface text that never went through the
/// console at all — a stand-in for a server- or plugin-driven
/// <c>ClientLocal</c> write reaching <c>RuntimeCommunicationState.AddText</c>
/// directly, exactly the case the deleted per-call
/// <c>HeadlessConsoleChatFeedback</c> decorator could never see (it only
/// ever wrapped THIS console's own <c>SubmitConsoleLine</c> feedback).
/// </summary>
[Fact]
public void PumpPrintsInterfaceTextNotOriginatingFromTheConsole()
{
var spewBox = new SpewBoxState();
var printed = new List<string>();
double now = 0d;
var pump = new HeadlessConsoleSpewBoxPump(spewBox, () => now, printed.Add);
// Simulates a plugin's own Log/interface-text write, or a server-
// driven refusal — never called HeadlessConsoleController.Handle or
// HeadlessSessionHost.SubmitConsoleLine.
spewBox.Enqueue("[vt] navigation route loaded");
pump.Pump();
Assert.Equal(["[vt] navigation route loaded"], printed);
// A second pump with nothing new enqueued must not reprint the
// still-visible entry.
now += 0.1d;
pump.Pump();
Assert.Equal(["[vt] navigation route loaded"], printed);
}
// ── HeadlessProcessHost: end-to-end console wiring ───────────────────
/// <summary>
/// S3: an end-to-end proof that a console line, read from a plain
/// <see cref="StringReader"/>, reaches the real session's
/// <c>SubmitConsoleLine</c> pipeline through the actual
/// <see cref="HeadlessProcessHost"/> wiring (background reader thread →
/// per-tick <c>ConsolePump</c> → <c>ChatCommandRouter.Submit</c> → the
/// wire), and that <c>/quit</c> ends <see cref="HeadlessProcessHost.RunAsync"/>
/// through the SAME graceful path an external cancellation takes —
/// <see cref="HeadlessExitCode.Success"/>, not an error code.
/// </summary>
[Fact]
public async Task ConsoleLineReachesTheSessionAndQuitEndsTheProcessGracefully()
{
var captured = new List<byte[]>();
var operations = new FixtureSessionOperations
{
GameActionCapture = body => captured.Add(body),
};
var configuration = new HeadlessConfiguration
{
Version = 1,
Sessions = [Descriptor()],
};
using var diagnostics = new StringWriter();
using var input = new System.IO.StringReader(
"hello" + Environment.NewLine + "/quit" + Environment.NewLine);
using var host = new HeadlessProcessHost(
configuration,
HeadlessPathSet.Resolve(new HeadlessPathOverrides()),
input,
diagnostics,
operations,
new FakeTimeProvider(),
directCredentials: new HeadlessDirectCredentials("account", "password"),
consoleEnabled: true);
HeadlessExitCode exitCode = await host.RunAsync(CancellationToken.None)
.WaitAsync(TimeSpan.FromSeconds(10));
Assert.Equal(HeadlessExitCode.Success, exitCode);
byte[] body = Assert.Single(captured);
Assert.Equal(ChatRequests.TalkOpcode, ActionOpcode(body));
Assert.Equal("hello", TalkText(body));
}
/// <summary>
/// S6: <c>standardOutputIsTerminal</c> is threaded in as a constructor
/// parameter, not read from the real <c>System.Console</c> inside
/// <see cref="HeadlessProcessHost"/> — proven by flipping only the
/// parameter (this test process's OWN stdout is redirected by the test
/// host either way) and observing the renderer's dim-vs-plain choice
/// follow it.
/// </summary>
[Theory]
[InlineData(true, true)]
[InlineData(false, false)]
public async Task StandardOutputIsTerminalParameterControlsColorNotTheRealConsole(
bool standardOutputIsTerminal, bool expectDimmed)
{
var operations = new FixtureSessionOperations();
var configuration = new HeadlessConfiguration
{
Version = 1,
Sessions = [Descriptor()],
};
using var diagnostics = new StringWriter();
using var input = new System.IO.StringReader("/quit" + Environment.NewLine);
using var host = new HeadlessProcessHost(
configuration,
HeadlessPathSet.Resolve(new HeadlessPathOverrides()),
input,
diagnostics,
operations,
new FakeTimeProvider(),
directCredentials: new HeadlessDirectCredentials("account", "password"),
consoleEnabled: true,
standardOutputIsTerminal: standardOutputIsTerminal);
await host.RunAsync(CancellationToken.None).WaitAsync(TimeSpan.FromSeconds(10));
string text = diagnostics.ToString();
Assert.Contains("entered world", text);
Assert.Equal(expectDimmed, text.Contains("[2m"));
}
/// <summary>
/// S7: a multi-session process with <c>--console</c> must tell the
/// operator why the console never attached (the launcher's multi-session
/// mode is a legitimate, common configuration) instead of silently
/// doing nothing — see <c>HeadlessDiagnosticWriter.Message</c>'s "console"
/// category.
/// </summary>
[Fact]
public void TwoSessionsWithConsoleFlagReportsSingleSessionOnly()
{
// StandardInput credentials (one line per session, consumed by
// HeadlessCredentialResolver BEFORE the console reader thread ever
// starts — see HeadlessProcessHost's own constructor comment) avoid
// needing an ACE-shaped Environment credential just to reach the
// console-wiring branch this test targets.
HeadlessSessionDescriptor StandardInputDescriptor(string id) =>
Descriptor() with
{
Id = id,
Credential = new HeadlessCredentialReference
{
Provider = HeadlessCredentialProviderKind.StandardInput,
Reference = "fixture",
},
};
var configuration = new HeadlessConfiguration
{
Version = 1,
Sessions =
[
StandardInputDescriptor("one"),
StandardInputDescriptor("two"),
],
};
var operations = new FixtureSessionOperations();
using var diagnostics = new StringWriter();
using var input = new System.IO.StringReader(
"password-one" + Environment.NewLine
+ "password-two" + Environment.NewLine);
using var host = new HeadlessProcessHost(
configuration,
HeadlessPathSet.Resolve(new HeadlessPathOverrides()),
input,
diagnostics,
operations,
new FakeTimeProvider(),
directCredentials: null,
consoleEnabled: true);
Assert.Contains("single-session only", diagnostics.ToString());
}
private static bool WaitForEndOfInput(HeadlessConsoleController controller) =>
controller.Reader.EndOfInput.Wait(TimeSpan.FromSeconds(5));
private static uint ActionOpcode(byte[] body) =>
BinaryPrimitives.ReadUInt32LittleEndian(body.AsSpan(8, sizeof(uint)));
private static string TalkText(byte[] body)
{
ushort length = BinaryPrimitives.ReadUInt16LittleEndian(
body.AsSpan(12, sizeof(ushort)));
return Encoding.ASCII.GetString(body, 14, length);
}
private static HeadlessSessionDescriptor Descriptor() => new()
{
Id = "console-bot",
Endpoint = new HeadlessEndpointDescriptor
{
Host = "127.0.0.1",
Port = 9000,
},
Account = "account",
Character = new HeadlessCharacterSelector
{
Name = "headless",
},
Policy = new HeadlessBotPolicyDescriptor
{
Id = "idle",
},
Credential = new HeadlessCredentialReference
{
Provider = HeadlessCredentialProviderKind.Environment,
Reference = "CONSOLE_BOT_PASSWORD",
},
};
private sealed class FixtureSessionOperations : ILiveSessionOperations
{
public Action<byte[]>? GameActionCapture { get; init; }
public CharacterList.Parsed? Characters { get; init; } = new(
0u,
[
new CharacterList.Character(0x50000001u, "Other", 0u),
new CharacterList.Character(0x50000002u, "Headless", 0u),
],
[],
11,
"account",
true,
true);
public IPEndPoint ResolveEndpoint(string host, int port) =>
new(IPAddress.Loopback, port);
public WorldSession CreateSession(IPEndPoint endpoint)
{
var session = new WorldSession(endpoint);
session.GameActionCapture = GameActionCapture;
return session;
}
public void Connect(WorldSession session, string user, string password)
{
}
public CharacterList.Parsed? GetCharacters(WorldSession session) =>
Characters;
public void EnterWorld(WorldSession session, int activeCharacterIndex)
{
}
public void Tick(WorldSession session)
{
}
public void DisposeSession(WorldSession session) => session.Dispose();
}
/// <summary>
/// S2: wraps a real <see cref="TextReader"/> and records the managed
/// thread id every <see cref="ReadLine"/> call actually ran on — the
/// background reader thread's own id, since only
/// <see cref="HeadlessConsoleInputReader"/> ever calls it.
/// </summary>
private sealed class ThreadIdRecordingTextReader(TextReader inner)
: TextReader
{
internal int? ReadLineThreadId { get; private set; }
public override string? ReadLine()
{
ReadLineThreadId = Environment.CurrentManagedThreadId;
return inner.ReadLine();
}
protected override void Dispose(bool disposing)
{
if (disposing)
inner.Dispose();
base.Dispose(disposing);
}
}
/// <summary>
/// S3/S6/S7: a real-clock <see cref="TimeProvider"/>, distinct from
/// <see cref="TimeProvider.System"/>, for a <see cref="HeadlessProcessHost"/>
/// integration test that runs the actual scheduler loop on its own
/// dedicated thread. Real elapsed time (not a manually-stepped fake) is
/// deliberate here: <see cref="HeadlessProcessHost.RunAsync"/> owns its
/// own background thread, and stepping a manual clock from the test
/// thread while that thread's scheduler loop waits on a
/// <see cref="ITimer"/> armed from the SAME provider would race the two
/// threads for no benefit — the default 15 ms turn period already makes
/// these tests fast.
/// </summary>
private sealed class FakeTimeProvider : TimeProvider
{
public override long GetTimestamp() => Stopwatch.GetTimestamp();
public override long TimestampFrequency => Stopwatch.Frequency;
}
}