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test/indexer.test.mjs

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+import { test } from "node:test";
+import assert from "node:assert/strict";
+import { fileURLToPath } from "node:url";
+import { dirname, join } from "node:path";
+import { ModIndexer } from "../out/indexer/indexer.js";
+import { CachedDirectoryWalker } from "../out/indexer/fileScanner.js";
+
+const root = dirname(dirname(fileURLToPath(import.meta.url)));
+const project = join(root, "test", "fixtures", "minimod");
+const sdk = join(root, "test", "fixtures", "fakesdk");
+
+async function buildIndex() {
+  const indexer = new ModIndexer({
+    projectDir: project,
+    sdkDir: sdk,
+    builtmodsDirs: [join(sdk, "builtmods")],
+    indexSageXml: true,
+    additionalDataSearchPaths: [],
+    walker: new CachedDirectoryWalker(),
+  });
+  return indexer.build();
+}
+
+test("indexes assets, defines, streams and include errors", async () => {
+  const idx = await buildIndex();
+
+  assert.equal(idx.stats.streams, 2); // static + global
+  assert.ok(idx.assetsById.has("testtank"));
+  assert.ok(idx.assetsById.has("testtankcannon"));
+  assert.ok(idx.assetsById.has("testtankcommandset"));
+  assert.ok(idx.assetsById.has("testtexture"));
+  assert.ok(idx.assetsById.has("thempgamerules"));
+  assert.ok(idx.assetsById.has("vanillatank"), "vanilla data via reference include fallback");
+  assert.ok(idx.assetsById.has("basevehicle"));
+
+  const baseVehicle = idx.assetsById.get("basevehicle");
+  assert.ok(baseVehicle.some((d) => d.viaInstance), "instance-included asset marked");
+
+  const defs = idx.defines.get("test_health");
+  assert.equal(defs?.[0].value, "100.0");
+
+  const missing = idx.diagnostics.find((d) => d.code === "include-not-found");
+  assert.ok(missing, "missing include reported");
+  assert.match(missing.message, /Missing\/File\.xml/);
+
+  // Nested xi:include: existing target is walked, missing target is reported.
+  assert.ok(
+    idx.diagnostics.some((d) => /Missing\/Nested\.xml/.test(d.message)),
+    "nested missing xi:include reported",
+  );
+  assert.ok(
+    idx.files.has(
+      join(project, "Data", "Includes", "Fragment.xml").toLowerCase(),
+    ),
+    "nested xi:include target indexed",
+  );
+  assert.ok(
+    idx.assetsById.has("fraglight"),
+    "nested xi:include target assets available",
+  );
+
+  const staticStream = idx.streams.find((s) => s.name === "static");
+  assert.ok(staticStream.files.size >= 4);
+});
+
+test("provides include source candidates", async () => {
+  const idx = await buildIndex();
+  const xml = idx.sourceCandidates.filter((c) => c.source.endsWith(".xml"));
+  assert.ok(xml.length >= 4);
+  assert.ok(xml.some((c) => c.source === "Includes/Units.xml"));
+  assert.ok(xml.some((c) => c.source === "DATA:static.xml"));
+});