// Tests for the memory scratchpad's pure half (web/static/apps/memory.js —
// docs/eleven-memory.md).  node test/memory.test.mjs
import assert from "node:assert/strict";
import { sanitizeMemory, MAX_FACTS, MAX_FACT_CHARS } from "../web/static/apps/memory.js";

// sanitizeMemory clamps whatever the slot held — the sidecar and the panel
// share it unsigned, so read-side clamping is the invariant (mirror of the Go
// side's clampMemory; keep the two in step).
{
  const raw = {
    facts: [
      { id: "m1", text: "  keeps replies short  " },
      { text: "no id — repaired" },
      { id: "m3", text: "   " }, // blank — dropped
      { id: "bad id!", text: "hostile id — replaced" },
      { id: "m5", text: "x".repeat(MAX_FACT_CHARS + 50) },
      "not an object",
    ],
  };
  const m = sanitizeMemory(raw);
  assert.equal(m.v, 1);
  assert.equal(m.facts.length, 4);
  assert.equal(m.facts[0].text, "keeps replies short");
  assert.ok(m.facts[1].id, "missing id repaired");
  assert.match(m.facts[2].id, /^[A-Za-z0-9_-]+$/, "hostile id replaced");
  assert.equal(m.facts[3].text.length, MAX_FACT_CHARS, "overlong fact clamped");
}

// The fact cap holds however many the blob carried.
{
  const raw = { facts: Array.from({ length: MAX_FACTS + 10 }, (_, i) => ({ id: "m" + i, text: "fact " + i })) };
  assert.equal(sanitizeMemory(raw).facts.length, MAX_FACTS);
}

// Hopeless shapes fold to empty, never throw.
for (const raw of [null, undefined, {}, { facts: "nope" }, { facts: 42 }]) {
  const m = sanitizeMemory(raw);
  assert.equal(m.v, 1);
  assert.deepEqual(m.facts, []);
}

console.log("memory.test.mjs: ALL PASSED");