testASessionWhoseBranchIsGoneGoesOn

tcmts.cli.test.e2e.mcp.testASessionWhoseBranchIsGoneGoesOn · #vcplsozb · term

A session whose branch is deleted while its server runs (as a tcm from before branches were claimed could) has it made again from main, and the call made again, rather than every call failing; the session goes on.

import { okIn, tempDir, withChildren } from "#codebase/tcmts/cli/test/e2e/harness";
import { startedSession } from "#codebase/tcmts/cli/test/e2e/mcp";
import assert from "node:assert/strict";
import fs from "node:fs";
import path from "node:path";
import { DatabaseSync } from "node:sqlite";

export const testASessionWhoseBranchIsGoneGoesOn = () =>
  withChildren(async (keep) => {
    const dir = tempDir("mcp branch gone");
    const tcm = (...args: string[]) => okIn(dir, ...args);
    tcm("init");
    fs.rmSync(path.join(dir, "scratch.ts"), { force: true });
    const s = await startedSession(dir, keep);
    const db = new DatabaseSync(path.join(dir, ".tcm", "codebase.sqlite"));
    db.exec("PRAGMA busy_timeout = 15000");
    const { id } = db.prepare("SELECT id FROM branches WHERE name = ?").get(s.branch) as {
      id: number;
    };
    for (const table of ["names", "patches", "todo", "name_log"])
      db.prepare(`DELETE FROM ${table} WHERE branch_id = ?`).run(id);
    db.prepare("DELETE FROM branches WHERE id = ?").run(id);
    db.close();
    assert.doesNotMatch(tcm("branch"), new RegExp(s.branch));

    const status = await s.call("tcm_status");
    assert.equal(status.isError, false, status.text);
    assert.match(
      status.text,
      new RegExp(`this session's branch, ${s.branch}, was gone: it's made again from main`),
    );
    assert.match(status.text, new RegExp(`^branch\\s+${s.branch}`, "m"));
    assert.match(tcm("branch"), new RegExp(s.branch));
    const added = await s.call("tcm_add", { code: "export const after = 1;\n", namespace: "lib" });
    assert.equal(added.isError, false, added.text);
    s.close();
  })

testASessionWhoseBranchIsGoneGoesOn

uses