From 4d30598e6b971c2882438a683639a7ce3d177990 Mon Sep 17 00:00:00 2001
From: luna <clawy@reversed.dev>
Date: Tue, 21 Jul 2026 18:00:35 +0000
Subject: [PATCH] Add repository scan integration tests

---
 tests/repo-counter.test.js | 125 +++++++++++++++++++++++++++++++++++++
 1 file changed, 125 insertions(+)
 create mode 100644 tests/repo-counter.test.js

diff --git a/tests/repo-counter.test.js b/tests/repo-counter.test.js
new file mode 100644
index 0000000..f2c967a
--- /dev/null
+++ b/tests/repo-counter.test.js
@@ -0,0 +1,125 @@
+import assert from "node:assert/strict";
+import { mkdir, mkdtemp, readFile, readdir, rm, writeFile } from "node:fs/promises";
+import os from "node:os";
+import path from "node:path";
+import test from "node:test";
+
+import { KeyManager } from "../dist/services/key-manager.js";
+import { RepoCounterService } from "../dist/services/repo-counter.js";
+
+async function createHarness(options = {}) {
+  const root = await mkdtemp(path.join(os.tmpdir(), "loc-via-git-test-"));
+  const fixture = path.join(root, "fixture");
+  const bin = path.join(root, "bin");
+  const cloneLog = path.join(root, "clone-log");
+  await mkdir(fixture, { recursive: true });
+  await mkdir(bin);
+  await writeFile(path.join(bin, "git"), `#!/usr/bin/env node
+import { appendFileSync, cpSync } from "node:fs";
+const args = process.argv.slice(2);
+const command = args.includes("clone") ? "clone" : args.includes("rev-parse") ? "rev-parse" : "other";
+if (command === "clone") {
+  appendFileSync(process.env.LOC_TEST_CLONE_LOG, "clone\\n");
+  if (process.env.LOC_TEST_HANG === "1") setInterval(() => {}, 1000);
+  cpSync(process.env.LOC_TEST_FIXTURE, args.at(-1), { recursive: true });
+} else if (command === "rev-parse") {
+  process.stdout.write("fixture-commit\\n");
+}
+`, { mode: 0o755 });
+
+  const config = {
+    allowedGitHosts: ["example.test"],
+    apiKey: "",
+    cacheSweepIntervalMs: 60_000,
+    cacheTtlMs: 60_000,
+    cloneTimeoutMs: 100,
+    defaultSshKeyName: "",
+    generateSshKeyIfMissing: false,
+    maxConcurrentScans: 2,
+    maxFilesPerScan: 100,
+    maxFileSizeBytes: 1024 * 1024,
+    maxScanBytes: 1024 * 1024,
+    port: 3000,
+    rateLimitMax: 30,
+    rateLimitWindowMs: 60_000,
+    sshKeysDir: path.join(root, "keys"),
+    tempRoot: path.join(root, "tmp"),
+    trustProxy: false,
+    ...options
+  };
+  const originalPath = process.env.PATH;
+  process.env.PATH = `${bin}:${originalPath}`;
+  process.env.LOC_TEST_FIXTURE = fixture;
+  process.env.LOC_TEST_CLONE_LOG = cloneLog;
+  const keyManager = new KeyManager(config);
+  const service = new RepoCounterService(config, keyManager);
+  await keyManager.initialize();
+  await service.initialize();
+
+  return {
+    cloneLog,
+    config,
+    fixture,
+    root,
+    service,
+    async cleanup() {
+      process.env.PATH = originalPath;
+      delete process.env.LOC_TEST_FIXTURE;
+      delete process.env.LOC_TEST_CLONE_LOG;
+      delete process.env.LOC_TEST_HANG;
+      await rm(root, { recursive: true, force: true });
+    }
+  };
+}
+
+test("scans fixture repositories, caches duplicate work, and cleans clone directories", async () => {
+  const harness = await createHarness();
+  try {
+    await writeFile(path.join(harness.fixture, "main.ts"), "const value = 1;\n\nexport { value };\n");
+    await mkdir(path.join(harness.fixture, "dist"));
+    await writeFile(path.join(harness.fixture, "dist", "bundle.min.js"), "ignored\n");
+
+    const request = { repo: "https://example.test/demo.git", ref: null, sshKey: null };
+    const [first, second] = await Promise.all([harness.service.count(request), harness.service.count(request)]);
+    const third = await harness.service.count(request);
+
+    assert.equal(first.commit, "fixture-commit");
+    assert.equal(second.lineCount, 2);
+    assert.equal(third.cached, true);
+    assert.equal((await readFile(harness.cloneLog, "utf8")).trim().split("\n").length, 1);
+    assert.deepEqual(await readdir(harness.config.tempRoot), []);
+  } finally {
+    await harness.cleanup();
+  }
+});
+
+test("rejects oversized files and still removes the temporary clone", async () => {
+  const harness = await createHarness({ maxFileSizeBytes: 10 });
+  try {
+    await writeFile(path.join(harness.fixture, "large.ts"), "export const value = 123;\n");
+    await assert.rejects(
+      harness.service.count({ repo: "https://example.test/demo.git", ref: null, sshKey: null }),
+      { statusCode: 413 }
+    );
+    assert.deepEqual(await readdir(harness.config.tempRoot), []);
+  } finally {
+    await harness.cleanup();
+  }
+});
+
+test("times out stalled clones and rejects unsupported repository URLs", async () => {
+  const harness = await createHarness({ cloneTimeoutMs: 50 });
+  try {
+    process.env.LOC_TEST_HANG = "1";
+    await assert.rejects(
+      harness.service.count({ repo: "https://example.test/demo.git", ref: null, sshKey: null }),
+      { statusCode: 504 }
+    );
+    await assert.rejects(
+      harness.service.count({ repo: "file:///private/repo", ref: null, sshKey: null }),
+      { statusCode: 400 }
+    );
+  } finally {
+    await harness.cleanup();
+  }
+});