phase 8: lobby UI + cross-stack lobby command catalog + TS FlatBuffers

- Extend pkg/model/lobby and pkg/schema/fbs/lobby.fbs with public-games
  list, my-applications/invites lists, game-create, application-submit,
  invite-redeem/decline. Mirror the matching transcoder pairs and Go
  fixture round-trip tests.
- Wire the seven new lobby message types through
  gateway/internal/backendclient/{routes,lobby_commands}.go with
  per-command REST helpers, JSON-tolerant decoding of backend wire
  shapes, and httptest-based unit coverage for success / 4xx / 5xx /
  503 across each command.
- Introduce TS-side FlatBuffers via the `flatbuffers` runtime dep, a
  `make fbs-ts` target driving flatc, and the generated bindings under
  ui/frontend/src/proto/galaxy/fbs. Phase 7's `user.account.get` decode
  now uses these bindings as well, closing the JSON.parse vs
  FlatBuffers gap that would have failed against a real local stack.
- Replace the placeholder lobby with five sections (my games, pending
  invitations, my applications, public games, create new game) and the
  /lobby/create form. Submit-application uses an inline race-name
  form on the public-game card; create-game keeps name / description /
  turn_schedule / enrollment_ends_at always visible and the rest under
  an Advanced toggle with TS-side defaults.
- Update lobby/+page.svelte to throw LobbyError on non-ok result codes;
  GalaxyClient.executeCommand now returns { resultCode, payloadBytes }.
- Vitest binding round-trips, lobby.ts wrapper unit tests, lobby-page
  + lobby-create component tests, Playwright lobby-flow.spec covering
  create / submit / accept across all four projects. Phase 7 e2e was
  migrated to the FlatBuffers fixtures and to click+fill against the
  Safari-autofill readonly inputs.
- Mark Phase 8 done in ui/PLAN.md, mirror the wire-format note into
  Phase 7, append the new lobby commands to gateway/README.md and
  docs/ARCHITECTURE.md, add ui/docs/lobby.md.

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
This commit is contained in:
Ilia Denisov
2026-05-07 18:05:08 +02:00
parent 5d2a3b79c5
commit f57a290432
90 changed files with 11862 additions and 112 deletions
+494
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@@ -0,0 +1,494 @@
// Round-trip tests for the generated TS FlatBuffers bindings under
// `src/proto/galaxy/fbs/lobby/`. These guard against codegen drift —
// if the wire schema and the bindings disagree, the round-trip fails
// instead of letting a broken binding ship silently.
import { Builder, ByteBuffer } from "flatbuffers";
import { describe, expect, test } from "vitest";
import {
ApplicationSubmitRequest,
ApplicationSubmitResponse,
ApplicationSummary,
ErrorBody,
ErrorResponse,
GameCreateRequest,
GameCreateResponse,
GameSummary,
InviteDeclineRequest,
InviteDeclineResponse,
InviteRedeemRequest,
InviteRedeemResponse,
InviteSummary,
MyApplicationsListRequest,
MyApplicationsListResponse,
MyGamesListRequest,
MyGamesListResponse,
MyInvitesListRequest,
MyInvitesListResponse,
OpenEnrollmentRequest,
OpenEnrollmentResponse,
PublicGamesListRequest,
PublicGamesListResponse,
} from "../src/proto/galaxy/fbs/lobby";
interface GameSummaryFixture {
gameId: string;
gameName: string;
gameType: string;
status: string;
ownerUserId: string;
minPlayers: number;
maxPlayers: number;
enrollmentEndsAtMs: bigint;
createdAtMs: bigint;
updatedAtMs: bigint;
}
const PRIVATE_GAME: GameSummaryFixture = {
gameId: "game-private-7c8f",
gameName: "First Contact",
gameType: "private",
status: "draft",
ownerUserId: "user-9912",
minPlayers: 2,
maxPlayers: 8,
enrollmentEndsAtMs: 1_780_000_000_000n,
createdAtMs: 1_770_000_000_000n,
updatedAtMs: 1_770_000_300_000n,
};
const PUBLIC_GAME: GameSummaryFixture = {
gameId: "game-public-aabb",
gameName: "Open Lobby",
gameType: "public",
status: "enrollment_open",
ownerUserId: "",
minPlayers: 4,
maxPlayers: 12,
enrollmentEndsAtMs: 1_780_500_000_000n,
createdAtMs: 1_770_500_000_000n,
updatedAtMs: 1_770_600_000_000n,
};
function encodeGameSummary(builder: Builder, value: GameSummaryFixture): number {
const gameId = builder.createString(value.gameId);
const gameName = builder.createString(value.gameName);
const gameType = builder.createString(value.gameType);
const status = builder.createString(value.status);
const ownerUserId = builder.createString(value.ownerUserId);
GameSummary.startGameSummary(builder);
GameSummary.addGameId(builder, gameId);
GameSummary.addGameName(builder, gameName);
GameSummary.addGameType(builder, gameType);
GameSummary.addStatus(builder, status);
GameSummary.addOwnerUserId(builder, ownerUserId);
GameSummary.addMinPlayers(builder, value.minPlayers);
GameSummary.addMaxPlayers(builder, value.maxPlayers);
GameSummary.addEnrollmentEndsAtMs(builder, value.enrollmentEndsAtMs);
GameSummary.addCreatedAtMs(builder, value.createdAtMs);
GameSummary.addUpdatedAtMs(builder, value.updatedAtMs);
return GameSummary.endGameSummary(builder);
}
function expectGameSummary(actual: GameSummary | null, want: GameSummaryFixture): void {
expect(actual).not.toBeNull();
const got = actual!;
expect(got.gameId()).toBe(want.gameId);
expect(got.gameName()).toBe(want.gameName);
expect(got.gameType()).toBe(want.gameType);
expect(got.status()).toBe(want.status);
expect(got.ownerUserId()).toBe(want.ownerUserId);
expect(got.minPlayers()).toBe(want.minPlayers);
expect(got.maxPlayers()).toBe(want.maxPlayers);
expect(got.enrollmentEndsAtMs()).toBe(want.enrollmentEndsAtMs);
expect(got.createdAtMs()).toBe(want.createdAtMs);
expect(got.updatedAtMs()).toBe(want.updatedAtMs);
}
describe("lobby FlatBuffers TS bindings", () => {
test("MyGamesListRequest round-trips an empty body", () => {
const builder = new Builder(32);
MyGamesListRequest.startMyGamesListRequest(builder);
builder.finish(MyGamesListRequest.endMyGamesListRequest(builder));
const bytes = builder.asUint8Array();
const decoded = MyGamesListRequest.getRootAsMyGamesListRequest(new ByteBuffer(bytes));
expect(decoded).toBeDefined();
});
test("MyGamesListResponse encodes and decodes multiple summaries", () => {
const builder = new Builder(512);
const item0 = encodeGameSummary(builder, PRIVATE_GAME);
const item1 = encodeGameSummary(builder, PUBLIC_GAME);
const items = MyGamesListResponse.createItemsVector(builder, [item0, item1]);
MyGamesListResponse.startMyGamesListResponse(builder);
MyGamesListResponse.addItems(builder, items);
builder.finish(MyGamesListResponse.endMyGamesListResponse(builder));
const bytes = builder.asUint8Array();
const decoded = MyGamesListResponse.getRootAsMyGamesListResponse(new ByteBuffer(bytes));
expect(decoded.itemsLength()).toBe(2);
expectGameSummary(decoded.items(0), PRIVATE_GAME);
expectGameSummary(decoded.items(1), PUBLIC_GAME);
});
test("PublicGamesListResponse preserves pagination metadata", () => {
const builder = new Builder(256);
const item = encodeGameSummary(builder, PUBLIC_GAME);
const items = PublicGamesListResponse.createItemsVector(builder, [item]);
PublicGamesListResponse.startPublicGamesListResponse(builder);
PublicGamesListResponse.addItems(builder, items);
PublicGamesListResponse.addPage(builder, 3);
PublicGamesListResponse.addPageSize(builder, 25);
PublicGamesListResponse.addTotal(builder, 51);
builder.finish(PublicGamesListResponse.endPublicGamesListResponse(builder));
const bytes = builder.asUint8Array();
const decoded = PublicGamesListResponse.getRootAsPublicGamesListResponse(
new ByteBuffer(bytes),
);
expect(decoded.itemsLength()).toBe(1);
expectGameSummary(decoded.items(0), PUBLIC_GAME);
expect(decoded.page()).toBe(3);
expect(decoded.pageSize()).toBe(25);
expect(decoded.total()).toBe(51);
});
test("PublicGamesListRequest round-trips page numbers", () => {
const builder = new Builder(32);
PublicGamesListRequest.startPublicGamesListRequest(builder);
PublicGamesListRequest.addPage(builder, 2);
PublicGamesListRequest.addPageSize(builder, 10);
builder.finish(PublicGamesListRequest.endPublicGamesListRequest(builder));
const decoded = PublicGamesListRequest.getRootAsPublicGamesListRequest(
new ByteBuffer(builder.asUint8Array()),
);
expect(decoded.page()).toBe(2);
expect(decoded.pageSize()).toBe(10);
});
test("ApplicationSummary preserves pending and decided records", () => {
const builder = new Builder(256);
const pendingId = builder.createString("app-1");
const pendingGameId = builder.createString("public-1");
const pendingApplicant = builder.createString("user-1");
const pendingRace = builder.createString("Vegan Federation");
const pendingStatus = builder.createString("pending");
ApplicationSummary.startApplicationSummary(builder);
ApplicationSummary.addApplicationId(builder, pendingId);
ApplicationSummary.addGameId(builder, pendingGameId);
ApplicationSummary.addApplicantUserId(builder, pendingApplicant);
ApplicationSummary.addRaceName(builder, pendingRace);
ApplicationSummary.addStatus(builder, pendingStatus);
ApplicationSummary.addCreatedAtMs(builder, 1_770_000_000_000n);
ApplicationSummary.addDecidedAtMs(builder, 0n);
const pending = ApplicationSummary.endApplicationSummary(builder);
const approvedId = builder.createString("app-2");
const approvedGameId = builder.createString("public-2");
const approvedApplicant = builder.createString("user-1");
const approvedRace = builder.createString("Lithic Compact");
const approvedStatus = builder.createString("approved");
ApplicationSummary.startApplicationSummary(builder);
ApplicationSummary.addApplicationId(builder, approvedId);
ApplicationSummary.addGameId(builder, approvedGameId);
ApplicationSummary.addApplicantUserId(builder, approvedApplicant);
ApplicationSummary.addRaceName(builder, approvedRace);
ApplicationSummary.addStatus(builder, approvedStatus);
ApplicationSummary.addCreatedAtMs(builder, 1_770_000_000_000n);
ApplicationSummary.addDecidedAtMs(builder, 1_770_010_000_000n);
const approved = ApplicationSummary.endApplicationSummary(builder);
const items = MyApplicationsListResponse.createItemsVector(builder, [pending, approved]);
MyApplicationsListResponse.startMyApplicationsListResponse(builder);
MyApplicationsListResponse.addItems(builder, items);
builder.finish(MyApplicationsListResponse.endMyApplicationsListResponse(builder));
const decoded = MyApplicationsListResponse.getRootAsMyApplicationsListResponse(
new ByteBuffer(builder.asUint8Array()),
);
expect(decoded.itemsLength()).toBe(2);
const first = decoded.items(0)!;
expect(first.status()).toBe("pending");
expect(first.decidedAtMs()).toBe(0n);
const second = decoded.items(1)!;
expect(second.status()).toBe("approved");
expect(second.decidedAtMs()).toBe(1_770_010_000_000n);
});
test("MyApplicationsListRequest round-trips an empty body", () => {
const builder = new Builder(32);
MyApplicationsListRequest.startMyApplicationsListRequest(builder);
builder.finish(MyApplicationsListRequest.endMyApplicationsListRequest(builder));
const decoded = MyApplicationsListRequest.getRootAsMyApplicationsListRequest(
new ByteBuffer(builder.asUint8Array()),
);
expect(decoded).toBeDefined();
});
test("InviteSummary preserves invited_user_id and code fields", () => {
const builder = new Builder(256);
const userBoundId = builder.createString("invite-user-bound");
const userBoundGame = builder.createString("private-1");
const userBoundInviter = builder.createString("user-host");
const userBoundInvited = builder.createString("user-1");
const userBoundCode = builder.createString("");
const userBoundRace = builder.createString("Vegan Federation");
const userBoundStatus = builder.createString("pending");
InviteSummary.startInviteSummary(builder);
InviteSummary.addInviteId(builder, userBoundId);
InviteSummary.addGameId(builder, userBoundGame);
InviteSummary.addInviterUserId(builder, userBoundInviter);
InviteSummary.addInvitedUserId(builder, userBoundInvited);
InviteSummary.addCode(builder, userBoundCode);
InviteSummary.addRaceName(builder, userBoundRace);
InviteSummary.addStatus(builder, userBoundStatus);
InviteSummary.addCreatedAtMs(builder, 1_770_000_000_000n);
InviteSummary.addExpiresAtMs(builder, 1_780_000_000_000n);
InviteSummary.addDecidedAtMs(builder, 0n);
const userBound = InviteSummary.endInviteSummary(builder);
const codeBasedId = builder.createString("invite-code-based");
const codeBasedGame = builder.createString("private-2");
const codeBasedInviter = builder.createString("user-host");
const codeBasedInvited = builder.createString("");
const codeBasedCode = builder.createString("ABCDEF12");
const codeBasedRace = builder.createString("Lithic Compact");
const codeBasedStatus = builder.createString("pending");
InviteSummary.startInviteSummary(builder);
InviteSummary.addInviteId(builder, codeBasedId);
InviteSummary.addGameId(builder, codeBasedGame);
InviteSummary.addInviterUserId(builder, codeBasedInviter);
InviteSummary.addInvitedUserId(builder, codeBasedInvited);
InviteSummary.addCode(builder, codeBasedCode);
InviteSummary.addRaceName(builder, codeBasedRace);
InviteSummary.addStatus(builder, codeBasedStatus);
InviteSummary.addCreatedAtMs(builder, 1_770_000_000_000n);
InviteSummary.addExpiresAtMs(builder, 1_780_000_000_000n);
InviteSummary.addDecidedAtMs(builder, 0n);
const codeBased = InviteSummary.endInviteSummary(builder);
const items = MyInvitesListResponse.createItemsVector(builder, [userBound, codeBased]);
MyInvitesListResponse.startMyInvitesListResponse(builder);
MyInvitesListResponse.addItems(builder, items);
builder.finish(MyInvitesListResponse.endMyInvitesListResponse(builder));
const decoded = MyInvitesListResponse.getRootAsMyInvitesListResponse(
new ByteBuffer(builder.asUint8Array()),
);
expect(decoded.itemsLength()).toBe(2);
const first = decoded.items(0)!;
expect(first.invitedUserId()).toBe("user-1");
expect(first.code()).toBe("");
const second = decoded.items(1)!;
expect(second.invitedUserId()).toBe("");
expect(second.code()).toBe("ABCDEF12");
});
test("MyInvitesListRequest round-trips an empty body", () => {
const builder = new Builder(32);
MyInvitesListRequest.startMyInvitesListRequest(builder);
builder.finish(MyInvitesListRequest.endMyInvitesListRequest(builder));
const decoded = MyInvitesListRequest.getRootAsMyInvitesListRequest(
new ByteBuffer(builder.asUint8Array()),
);
expect(decoded).toBeDefined();
});
test("OpenEnrollmentRequest and Response round-trip", () => {
const builder = new Builder(64);
const gameId = builder.createString("game-private-7c8f");
OpenEnrollmentRequest.startOpenEnrollmentRequest(builder);
OpenEnrollmentRequest.addGameId(builder, gameId);
builder.finish(OpenEnrollmentRequest.endOpenEnrollmentRequest(builder));
const reqDecoded = OpenEnrollmentRequest.getRootAsOpenEnrollmentRequest(
new ByteBuffer(builder.asUint8Array()),
);
expect(reqDecoded.gameId()).toBe("game-private-7c8f");
const respBuilder = new Builder(64);
const respGameId = respBuilder.createString("game-private-7c8f");
const status = respBuilder.createString("enrollment_open");
OpenEnrollmentResponse.startOpenEnrollmentResponse(respBuilder);
OpenEnrollmentResponse.addGameId(respBuilder, respGameId);
OpenEnrollmentResponse.addStatus(respBuilder, status);
respBuilder.finish(OpenEnrollmentResponse.endOpenEnrollmentResponse(respBuilder));
const respDecoded = OpenEnrollmentResponse.getRootAsOpenEnrollmentResponse(
new ByteBuffer(respBuilder.asUint8Array()),
);
expect(respDecoded.gameId()).toBe("game-private-7c8f");
expect(respDecoded.status()).toBe("enrollment_open");
});
test("GameCreateRequest and Response round-trip", () => {
const builder = new Builder(256);
const name = builder.createString("First Contact");
const description = builder.createString("");
const turnSchedule = builder.createString("0 0 * * *");
const targetVersion = builder.createString("v1");
GameCreateRequest.startGameCreateRequest(builder);
GameCreateRequest.addGameName(builder, name);
GameCreateRequest.addDescription(builder, description);
GameCreateRequest.addMinPlayers(builder, 2);
GameCreateRequest.addMaxPlayers(builder, 8);
GameCreateRequest.addStartGapHours(builder, 24);
GameCreateRequest.addStartGapPlayers(builder, 2);
GameCreateRequest.addEnrollmentEndsAtMs(builder, 1_780_000_000_000n);
GameCreateRequest.addTurnSchedule(builder, turnSchedule);
GameCreateRequest.addTargetEngineVersion(builder, targetVersion);
builder.finish(GameCreateRequest.endGameCreateRequest(builder));
const reqDecoded = GameCreateRequest.getRootAsGameCreateRequest(
new ByteBuffer(builder.asUint8Array()),
);
expect(reqDecoded.gameName()).toBe("First Contact");
expect(reqDecoded.minPlayers()).toBe(2);
expect(reqDecoded.maxPlayers()).toBe(8);
expect(reqDecoded.turnSchedule()).toBe("0 0 * * *");
expect(reqDecoded.targetEngineVersion()).toBe("v1");
expect(reqDecoded.enrollmentEndsAtMs()).toBe(1_780_000_000_000n);
const respBuilder = new Builder(256);
const game = encodeGameSummary(respBuilder, PRIVATE_GAME);
GameCreateResponse.startGameCreateResponse(respBuilder);
GameCreateResponse.addGame(respBuilder, game);
respBuilder.finish(GameCreateResponse.endGameCreateResponse(respBuilder));
const respDecoded = GameCreateResponse.getRootAsGameCreateResponse(
new ByteBuffer(respBuilder.asUint8Array()),
);
expectGameSummary(respDecoded.game(), PRIVATE_GAME);
});
test("ApplicationSubmitRequest and Response round-trip", () => {
const builder = new Builder(128);
const gameId = builder.createString("public-1");
const raceName = builder.createString("Vegan Federation");
ApplicationSubmitRequest.startApplicationSubmitRequest(builder);
ApplicationSubmitRequest.addGameId(builder, gameId);
ApplicationSubmitRequest.addRaceName(builder, raceName);
builder.finish(ApplicationSubmitRequest.endApplicationSubmitRequest(builder));
const reqDecoded = ApplicationSubmitRequest.getRootAsApplicationSubmitRequest(
new ByteBuffer(builder.asUint8Array()),
);
expect(reqDecoded.gameId()).toBe("public-1");
expect(reqDecoded.raceName()).toBe("Vegan Federation");
const respBuilder = new Builder(128);
const appId = respBuilder.createString("app-3");
const appGameId = respBuilder.createString("public-1");
const applicant = respBuilder.createString("user-1");
const race = respBuilder.createString("Vegan Federation");
const status = respBuilder.createString("pending");
ApplicationSummary.startApplicationSummary(respBuilder);
ApplicationSummary.addApplicationId(respBuilder, appId);
ApplicationSummary.addGameId(respBuilder, appGameId);
ApplicationSummary.addApplicantUserId(respBuilder, applicant);
ApplicationSummary.addRaceName(respBuilder, race);
ApplicationSummary.addStatus(respBuilder, status);
ApplicationSummary.addCreatedAtMs(respBuilder, 1_770_000_000_000n);
ApplicationSummary.addDecidedAtMs(respBuilder, 0n);
const app = ApplicationSummary.endApplicationSummary(respBuilder);
ApplicationSubmitResponse.startApplicationSubmitResponse(respBuilder);
ApplicationSubmitResponse.addApplication(respBuilder, app);
respBuilder.finish(ApplicationSubmitResponse.endApplicationSubmitResponse(respBuilder));
const respDecoded = ApplicationSubmitResponse.getRootAsApplicationSubmitResponse(
new ByteBuffer(respBuilder.asUint8Array()),
);
const application = respDecoded.application();
expect(application).not.toBeNull();
expect(application!.applicationId()).toBe("app-3");
expect(application!.status()).toBe("pending");
});
test("InviteRedeem and InviteDecline requests round-trip", () => {
for (const ctor of [InviteRedeemRequest, InviteDeclineRequest] as const) {
const builder = new Builder(128);
const gameId = builder.createString("private-1");
const inviteId = builder.createString("invite-1");
if (ctor === InviteRedeemRequest) {
InviteRedeemRequest.startInviteRedeemRequest(builder);
InviteRedeemRequest.addGameId(builder, gameId);
InviteRedeemRequest.addInviteId(builder, inviteId);
builder.finish(InviteRedeemRequest.endInviteRedeemRequest(builder));
const decoded = InviteRedeemRequest.getRootAsInviteRedeemRequest(
new ByteBuffer(builder.asUint8Array()),
);
expect(decoded.gameId()).toBe("private-1");
expect(decoded.inviteId()).toBe("invite-1");
} else {
InviteDeclineRequest.startInviteDeclineRequest(builder);
InviteDeclineRequest.addGameId(builder, gameId);
InviteDeclineRequest.addInviteId(builder, inviteId);
builder.finish(InviteDeclineRequest.endInviteDeclineRequest(builder));
const decoded = InviteDeclineRequest.getRootAsInviteDeclineRequest(
new ByteBuffer(builder.asUint8Array()),
);
expect(decoded.gameId()).toBe("private-1");
expect(decoded.inviteId()).toBe("invite-1");
}
}
});
test("InviteRedeemResponse and InviteDeclineResponse carry an InviteSummary", () => {
for (const status of ["accepted", "declined"]) {
const builder = new Builder(128);
const inviteId = builder.createString("invite-1");
const gameId = builder.createString("private-1");
const inviter = builder.createString("user-host");
const invited = builder.createString("user-1");
const code = builder.createString("");
const race = builder.createString("Vegan Federation");
const statusStr = builder.createString(status);
InviteSummary.startInviteSummary(builder);
InviteSummary.addInviteId(builder, inviteId);
InviteSummary.addGameId(builder, gameId);
InviteSummary.addInviterUserId(builder, inviter);
InviteSummary.addInvitedUserId(builder, invited);
InviteSummary.addCode(builder, code);
InviteSummary.addRaceName(builder, race);
InviteSummary.addStatus(builder, statusStr);
InviteSummary.addCreatedAtMs(builder, 1_770_000_000_000n);
InviteSummary.addExpiresAtMs(builder, 1_780_000_000_000n);
InviteSummary.addDecidedAtMs(builder, 1_770_010_000_000n);
const summary = InviteSummary.endInviteSummary(builder);
if (status === "accepted") {
InviteRedeemResponse.startInviteRedeemResponse(builder);
InviteRedeemResponse.addInvite(builder, summary);
builder.finish(InviteRedeemResponse.endInviteRedeemResponse(builder));
const decoded = InviteRedeemResponse.getRootAsInviteRedeemResponse(
new ByteBuffer(builder.asUint8Array()),
);
expect(decoded.invite()?.status()).toBe("accepted");
} else {
InviteDeclineResponse.startInviteDeclineResponse(builder);
InviteDeclineResponse.addInvite(builder, summary);
builder.finish(InviteDeclineResponse.endInviteDeclineResponse(builder));
const decoded = InviteDeclineResponse.getRootAsInviteDeclineResponse(
new ByteBuffer(builder.asUint8Array()),
);
expect(decoded.invite()?.status()).toBe("declined");
}
}
});
test("ErrorResponse round-trips a code/message pair", () => {
const builder = new Builder(128);
const code = builder.createString("conflict");
const message = builder.createString("request conflicts with current state");
ErrorBody.startErrorBody(builder);
ErrorBody.addCode(builder, code);
ErrorBody.addMessage(builder, message);
const errorOff = ErrorBody.endErrorBody(builder);
ErrorResponse.startErrorResponse(builder);
ErrorResponse.addError(builder, errorOff);
builder.finish(ErrorResponse.endErrorResponse(builder));
const decoded = ErrorResponse.getRootAsErrorResponse(
new ByteBuffer(builder.asUint8Array()),
);
const error = decoded.error();
expect(error).not.toBeNull();
expect(error!.code()).toBe("conflict");
expect(error!.message()).toBe("request conflicts with current state");
});
});