testResultsKeptForWhatTheyDependOn

tcmts.cli.test.e2e.effects.testResultsKeptForWhatTheyDependOn · #df2tar46 · term

A test's result is kept for the runtime and test framework; one whose code reaches files (or the environment, or other processes) is kept for the platform too, which those differ by.

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

export const testResultsKeptForWhatTheyDependOn = () => {
  const dir = tempDir("result keys");
  const ok = (...args: string[]) => okIn(dir, ...args);
  ok("init");
  fs.writeFileSync(
    path.join(dir, "scratch.ts"),
    [
      "// tcm: namespace lib",
      'import fs from "node:fs";',
      "export const testPure = () => { if (1 + 1 !== 2) throw new Error('no'); };",
      "export const testFiles = () => { if (!fs.existsSync('.')) throw new Error('no'); };",
      "",
    ].join("\n"),
  );
  ok("add");
  assert.match(ok("test"), /2 passed/);
  const db = new DatabaseSync(path.join(dir, ".tcm", "codebase.sqlite"));
  const keys = db
    .prepare(
      "SELECT n.path, t.node_version AS key FROM test_results t JOIN names n ON n.hash = t.hash ORDER BY n.path",
    )
    .all() as { path: string; key: string }[];
  db.close();
  const platform = `${process.platform}-${process.arch}`;
  assert.equal(keys.length, 2);
  assert.ok(
    keys[0]!.path === "lib.testFiles" && keys[0]!.key.endsWith(` ${platform}`),
    keys[0]!.key,
  );
  assert.ok(keys[1]!.path === "lib.testPure" && !keys[1]!.key.includes(platform), keys[1]!.key);
  assert.match(ok("test"), /2 passed \(2 cached\)|2 cached/);
}

testResultsKeptForWhatTheyDependOn

uses