104 lines
3.4 KiB
JavaScript
104 lines
3.4 KiB
JavaScript
import { test } from "node:test";
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import assert from "node:assert/strict";
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import {
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DocumentCache,
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IncludeResolveCache,
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IndexRecordsCache,
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InvalidationsEpoch,
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} from "../out/indexer/caches.js";
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import { resolve } from "node:path";
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const stat = { mtimeMs: 1, size: 1, birthtimeMs: 1, ctimeMs: 1 };
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function parsed(path, elements) {
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return {
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file: { path, stat },
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parse: { root: { name: "r" }, elements: new Array(elements), errors: [] },
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records: null,
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lineMap: null,
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};
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}
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test("DocumentCache evicts the largest tree when over the element budget", () => {
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const cache = new DocumentCache(64, 100);
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cache.set(parsed("a.xml", 60));
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cache.set(parsed("b.xml", 60));
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assert.equal(cache.get("a.xml"), undefined, "largest tree evicted first");
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assert.ok(cache.get("b.xml"));
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});
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test("DocumentCache evicts least recently used when over capacity", () => {
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const cache = new DocumentCache(2, 1_000_000);
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cache.set(parsed("a.xml", 10));
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cache.set(parsed("b.xml", 10));
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cache.set(parsed("c.xml", 10));
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assert.equal(cache.get("a.xml"), undefined);
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assert.ok(cache.get("b.xml"));
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assert.ok(cache.get("c.xml"));
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});
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test("DocumentCache invalidate frees budget", () => {
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const cache = new DocumentCache(64, 100);
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cache.set(parsed("a.xml", 60));
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cache.invalidate("a.xml");
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cache.set(parsed("b.xml", 60));
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assert.ok(cache.get("b.xml"), "invalidating a freed its budget share");
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cache.set(parsed("c.xml", 60));
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assert.equal(cache.get("a.xml"), undefined);
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assert.ok(cache.get("c.xml"));
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});
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test("IndexRecordsCache stores and invalidates entries", () => {
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const cache = new IndexRecordsCache();
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const entry = {
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stat,
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records: { assets: [], defines: [], includes: [], rootXiIncludes: [], nestedXiIncludes: [] },
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kind: "full",
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};
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cache.set("a.xml", entry);
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assert.equal(cache.get("a.xml"), entry);
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cache.invalidate("a.xml");
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assert.equal(cache.get("a.xml"), undefined);
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});
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test("IndexRecordsCache exposes entries for disk persistence", () => {
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const cache = new IndexRecordsCache();
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const entry = {
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stat,
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records: { assets: [], defines: [], includes: [], rootXiIncludes: [], nestedXiIncludes: [] },
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kind: "full",
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};
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cache.set("a.xml", entry);
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const list = [...cache.entries()];
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assert.equal(list.length, 1);
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assert.equal(list[0][0], resolve("a.xml").toLowerCase());
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assert.equal(list[0][1], entry);
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});
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test("IncludeResolveCache stores sources and manifest lookups", () => {
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const cache = new IncludeResolveCache();
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const key = "dir|DATA:static.xml";
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const result = { path: "C:/sdk/static.xml", prefix: "DATA", raw: "DATA:static.xml" };
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assert.equal(cache.get(key), undefined);
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cache.set(key, result);
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assert.equal(cache.get(key), result);
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assert.equal(cache.getManifest("static.xml"), undefined);
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cache.setManifest("static.xml", "C:/sdk/builtmods/static.manifest");
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assert.equal(cache.getManifest("static.xml"), "C:/sdk/builtmods/static.manifest");
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cache.clear();
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assert.equal(cache.get(key), undefined);
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assert.equal(cache.getManifest("static.xml"), undefined);
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});
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test("InvalidationsEpoch tracks changes since a snapshot", () => {
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const epoch = new InvalidationsEpoch();
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const before = epoch.snapshot();
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assert.equal(epoch.changedSince(before), false);
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epoch.mark();
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assert.equal(epoch.changedSince(before), true);
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assert.equal(epoch.changedSince(epoch.snapshot()), false);
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epoch.mark();
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epoch.mark();
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assert.equal(epoch.current, 3);
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});
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