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test/manifestParser.test.mjs

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+import { test } from "node:test";
+import assert from "node:assert/strict";
+import { parseManifest } from "../out/indexer/manifestParser.js";
+
+function u32(v) {
+  const b = Buffer.alloc(4);
+  b.writeUInt32LE(v >>> 0);
+  return b;
+}
+function u16(v) {
+  const b = Buffer.alloc(2);
+  b.writeUInt16LE(v >>> 0);
+  return b;
+}
+
+test("parses a minimal version 5 manifest", () => {
+  const name = Buffer.from("VanillaTank\0", "ascii");
+  const src = Buffer.from("DATA:globaldata/armor.xml\0", "ascii");
+  const parts = [
+    Buffer.from([0, 1]), // isBigEndian=false, isLinked=true (one byte each)
+    u16(5), // version
+    u32(0x1234), // streamChecksum
+    u32(0), // allTypesHash
+    u32(1), // assetCount
+    u32(0), // totalInstanceDataSize
+    u32(0), // maxInstanceChunkSize
+    u32(0), // maxRelocationChunkSize
+    u32(0), // maxImportsChunkSize
+    u32(0), // assetReferenceBufferSize
+    u32(0), // referencedManifestNameBufferSize
+    u32(name.length), // assetNameBufferSize
+    u32(src.length), // sourceFileNameBufferSize
+    // one asset entry (version 5 = 44 bytes, no tokenized flag)
+    u32(0x942fff2d), // typeId (GameObject)
+    u32(0), // instanceId
+    u32(0), // typeHash
+    u32(0), // instanceHash
+    u32(0), // assetReferenceOffset
+    u32(0), // assetReferenceCount
+    u32(0), // nameOffset
+    u32(0), // sourceFileNameOffset
+    u32(0), // instanceDataSize
+    u32(0), // relocationDataSize
+    u32(0), // importsDataSize
+    name,
+    src,
+  ];
+  const info = parseManifest(new Uint8Array(Buffer.concat(parts)));
+  assert.equal(info.version, 5);
+  assert.equal(info.assetCount, 1);
+  assert.equal(info.assets.length, 1);
+  assert.equal(info.assets[0].name, "VanillaTank");
+  assert.equal(info.assets[0].typeName, "GameObject");
+  assert.equal(info.assets[0].sourceFileName, "DATA:globaldata/armor.xml");
+});
+
+test("reports an error for garbage input", () => {
+  const info = parseManifest(new Uint8Array([1, 2, 3, 4, 5, 6, 7, 8]));
+  assert.ok(info.error);
+  assert.equal(info.assets.length, 0);
+});