import { describe, expect, it } from "vite-plus/test"; import {  EMPTY_TERMINAL_BUFFER_STATE,  type KnownTerminalSession,} from "@t3tools/client-runtime/state/terminal";import { DEFAULT_TERMINAL_ID, EnvironmentId, ThreadId } from "@t3tools/contracts"; import { getTerminalLabel } from "@t3tools/shared/terminalLabels"; import {  buildTerminalMenuSessions,  nextOpenTerminalId,  previousLiveTerminalId,  resolveProjectScriptTerminalId,  type TerminalMenuSession,} from "./terminalMenu"; function makeMenuSession(input: {  readonly terminalId: string;  readonly status: TerminalMenuSession["status"];}): TerminalMenuSession {  return {    terminalId: input.terminalId,    cwd: null,    status: input.status,    hasRunningSubprocess: false,    displayLabel: getTerminalLabel(input.terminalId),    updatedAt: null,  };} function makeKnownSession(input: {  readonly terminalId: string;  readonly status: KnownTerminalSession["state"]["status"];  readonly cwd?: string | null;  readonly updatedAt?: string | null;}): KnownTerminalSession {  return {    target: {      environmentId: EnvironmentId.make("env-1"),      threadId: ThreadId.make("thread-1"),      terminalId: input.terminalId,    },    state: {      summary: input.cwd        ? {            threadId: "thread-1",            terminalId: input.terminalId,            cwd: input.cwd,            worktreePath: input.cwd,            status: input.status === "closed" ? "error" : input.status,            pid: input.status === "running" ? 123 : null,            exitCode: null,            exitSignal: null,            hasRunningSubprocess: false,            label: getTerminalLabel(input.terminalId),            updatedAt: input.updatedAt ?? "2026-04-15T20:00:00.000Z",          }        : null,      output: EMPTY_TERMINAL_BUFFER_STATE.output,      status: input.status,      error: null,      hasRunningSubprocess: false,      updatedAt: input.updatedAt ?? "2026-04-15T20:00:00.000Z",      version: 1,      lifecycleVersion: 1,    },  };} describe("buildTerminalMenuSessions", () => {  it("only lists server-known sessions that are running or starting (plus current)", () => {    expect(      buildTerminalMenuSessions({        knownSessions: [          makeKnownSession({            terminalId: "term-3",            status: "running",            cwd: "/workspace/feature",            updatedAt: "2026-04-15T20:05:00.000Z",          }),          makeKnownSession({            terminalId: "term-2",            status: "exited",            cwd: "/workspace/exited",            updatedAt: "2026-04-15T20:06:00.000Z",          }),        ],        workspaceRoot: "/workspace/root",      }),    ).toEqual([      {        terminalId: "term-3",        cwd: "/workspace/feature",        status: "running",        hasRunningSubprocess: false,        displayLabel: "Terminal 3",        updatedAt: "2026-04-15T20:05:00.000Z",      },    ]);  });   it("keeps the current terminal visible even if it is no longer running", () => {    expect(      buildTerminalMenuSessions({        knownSessions: [],        workspaceRoot: "/workspace/root",        currentSession: {          terminalId: "term-4",          cwd: "/workspace/exited",          status: "exited",          hasRunningSubprocess: false,          displayLabel: "Terminal 4",          updatedAt: "2026-04-15T20:07:00.000Z",        },      }),    ).toEqual([      {        terminalId: "term-4",        cwd: "/workspace/exited",        status: "exited",        hasRunningSubprocess: false,        displayLabel: "Terminal 4",        updatedAt: "2026-04-15T20:07:00.000Z",      },    ]);  });}); describe("nextOpenTerminalId", () => {  it("matches nextTerminalId when not on a terminal route", () => {    expect(nextOpenTerminalId({ listedTerminalIds: [] })).toBe(DEFAULT_TERMINAL_ID);    expect(nextOpenTerminalId({ listedTerminalIds: [DEFAULT_TERMINAL_ID] })).toBe("term-2");  });   it("avoids the mounted primary tab when the session list is still empty", () => {    expect(      nextOpenTerminalId({        listedTerminalIds: [],        activeRouteTerminalId: DEFAULT_TERMINAL_ID,      }),    ).toBe("term-2");  });   it("does not double-count when the route id is already listed", () => {    expect(      nextOpenTerminalId({        listedTerminalIds: [DEFAULT_TERMINAL_ID],        activeRouteTerminalId: DEFAULT_TERMINAL_ID,      }),    ).toBe("term-2");  });}); describe("previousLiveTerminalId", () => {  it("returns null when no other live session remains", () => {    expect(      previousLiveTerminalId({        sessions: [          makeMenuSession({ terminalId: "term-2", status: "exited" }),          makeMenuSession({ terminalId: "term-3", status: "closed" }),        ],        exitedTerminalId: "term-2",      }),    ).toBe(null);  });   it("prefers the nearest live session below the exited id", () => {    expect(      previousLiveTerminalId({        sessions: [          makeMenuSession({ terminalId: DEFAULT_TERMINAL_ID, status: "running" }),          makeMenuSession({ terminalId: "term-2", status: "running" }),          makeMenuSession({ terminalId: "term-3", status: "exited" }),          makeMenuSession({ terminalId: "term-4", status: "running" }),        ],        exitedTerminalId: "term-3",      }),    ).toBe("term-2");  });   it("falls back to the nearest live session above when the exited id was lowest", () => {    expect(      previousLiveTerminalId({        sessions: [          makeMenuSession({ terminalId: DEFAULT_TERMINAL_ID, status: "exited" }),          makeMenuSession({ terminalId: "term-2", status: "starting" }),          makeMenuSession({ terminalId: "term-4", status: "running" }),        ],        exitedTerminalId: DEFAULT_TERMINAL_ID,      }),    ).toBe("term-2");  });   it("ignores dead sessions when picking the fallback", () => {    expect(      previousLiveTerminalId({        sessions: [          makeMenuSession({ terminalId: DEFAULT_TERMINAL_ID, status: "running" }),          makeMenuSession({ terminalId: "term-2", status: "exited" }),          makeMenuSession({ terminalId: "term-3", status: "exited" }),        ],        exitedTerminalId: "term-3",      }),    ).toBe(DEFAULT_TERMINAL_ID);  });}); describe("resolveProjectScriptTerminalId", () => {  it("reuses the default shell when no terminal is running", () => {    expect(      resolveProjectScriptTerminalId({        existingTerminalIds: [DEFAULT_TERMINAL_ID],        hasRunningTerminal: false,      }),    ).toBe(DEFAULT_TERMINAL_ID);  });   it("opens a new terminal when a shell is already running", () => {    expect(      resolveProjectScriptTerminalId({        existingTerminalIds: [DEFAULT_TERMINAL_ID, "term-2", "term-4"],        hasRunningTerminal: true,      }),    ).toBe("term-3");  });});