Claude API

test/InputWS.logDir.test.js

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+const fs = require('fs');
+const os = require('os');
+const path = require('path');
+const initInputWS = require('../server/InputWS');
+
+// Bug 4: logs/ directory must be ensured so the first appendFileSync() call
+// cannot crash on a fresh container/checkout.
+describe('InputWS.ensureLogDir', () => {
+  function tmpPath() {
+    return path.join(os.tmpdir(), `inputws-logtest-${Date.now()}-${Math.random().toString(36).slice(2)}`);
+  }
+
+  test('creates a missing log directory', () => {
+    const dir = tmpPath();
+    expect(fs.existsSync(dir)).toBe(false);
+
+    initInputWS.ensureLogDir(dir);
+
+    expect(fs.existsSync(dir)).toBe(true);
+    fs.rmSync(dir, { recursive: true, force: true });
+  });
+
+  test('creates nested directories recursively', () => {
+    const base = tmpPath();
+    const nested = path.join(base, 'a', 'b', 'logs');
+
+    initInputWS.ensureLogDir(nested);
+
+    expect(fs.existsSync(nested)).toBe(true);
+    fs.rmSync(base, { recursive: true, force: true });
+  });
+
+  test('is idempotent when the directory already exists', () => {
+    const dir = tmpPath();
+    fs.mkdirSync(dir, { recursive: true });
+
+    expect(() => initInputWS.ensureLogDir(dir)).not.toThrow();
+    expect(fs.existsSync(dir)).toBe(true);
+    fs.rmSync(dir, { recursive: true, force: true });
+  });
+});