DC-007: Add smoke tests for 7 untested modules

dashcaddy-api/__tests__/dns-propagation.test.js

@@ -0,0 +1,106 @@
+/**
+ * Smoke tests for dns-propagation.js
+ * Verifies DNS propagation checker module loads, exposes the expected
+ * interface, and basic methods (verifyRecord, startVerification,
+ * getVerificationStatus, getAllVerifications, cleanup) work without throwing.
+ */
+
+// The module does `const dns = require('dns').promises;` then `new dns.Resolver()`.
+// We mock the dns module so that .promises exposes our Resolver class.
+jest.mock('dns', () => {
+  class MockResolver {
+    setServers() { return this; }
+    setTimeout() { return this; }
+    resolve4(domain) {
+      if (domain === 'propagated.sami') {
+        return Promise.resolve(['1.2.3.4']);
+      }
+      return Promise.resolve(['9.9.9.9']);
+    }
+  }
+  return {
+    promises: { Resolver: MockResolver },
+    Resolver: MockResolver,
+  };
+});
+
+const DNSPropagationChecker = require('../dns-propagation');
+
+describe('DNSPropagationChecker', () => {
+  let checker;
+
+  beforeEach(() => {
+    const ctx = {
+      log: { error: jest.fn(), info: jest.fn(), warn: jest.fn() },
+      notification: { send: jest.fn().mockResolvedValue({ success: true }) },
+    };
+    checker = new DNSPropagationChecker(ctx);
+  });
+
+  test('is an EventEmitter', () => {
+    expect(typeof checker.on).toBe('function');
+    expect(typeof checker.emit).toBe('function');
+  });
+
+  test('starts with an empty verifications map', () => {
+    expect(checker.verifications).toBeInstanceOf(Map);
+    expect(checker.verifications.size).toBe(0);
+  });
+
+  test('verifyRecord returns expected shape and detects propagated domain', async () => {
+    const result = await checker.verifyRecord('propagated.sami', '1.2.3.4', {
+      timeout: 5000,
+      interval: 100,
+      resolvers: ['1.1.1.1'],
+    });
+    expect(result).toHaveProperty('domain', 'propagated.sami');
+    expect(result).toHaveProperty('expectedIp', '1.2.3.4');
+    expect(result).toHaveProperty('propagated', true);
+    expect(Array.isArray(result.results)).toBe(true);
+    expect(result.results.length).toBeGreaterThan(0);
+    expect(typeof result.totalTime).toBe('number');
+    expect(typeof result.checkedAt).toBe('string');
+  });
+
+  test('verifyRecord reports not-propagated when IP does not match', async () => {
+    const result = await checker.verifyRecord('notpropagated.sami', '5.6.7.8', {
+      timeout: 200,
+      interval: 50,
+      resolvers: ['1.1.1.1'],
+    });
+    expect(result.propagated).toBe(false);
+  });
+
+  test('startVerification returns a job object with running status', () => {
+    const job = checker.startVerification('job.sami', '1.1.1.1', {
+      timeout: 100,
+      interval: 50,
+      resolvers: ['1.1.1.1'],
+    });
+    expect(job).toMatchObject({
+      domain: 'job.sami',
+      expectedIp: '1.1.1.1',
+      status: 'running',
+    });
+    expect(job.startedAt).toBeDefined();
+  });
+
+  test('startVerification returns the same job when called twice for one domain', () => {
+    const a = checker.startVerification('dup.sami', '1.1.1.1', { timeout: 5000, interval: 1000 });
+    const b = checker.startVerification('dup.sami', '1.1.1.1', { timeout: 5000, interval: 1000 });
+    expect(a).toBe(b);
+  });
+
+  test('getVerificationStatus returns null for unknown domain', () => {
+    expect(checker.getVerificationStatus('nope.sami')).toBeNull();
+  });
+
+  test('getAllVerifications returns an array', () => {
+    expect(Array.isArray(checker.getAllVerifications())).toBe(true);
+  });
+
+  test('cleanup is a no-op on empty verifications', () => {
+    expect(() => checker.cleanup()).not.toThrow();
+    expect(checker.verifications.size).toBe(0);
+  });
+});