Wire up Dead Domain CI Check for Node.js 26 [skip ci]

Build/lib/is-domain-alive.test.ts

@@ -0,0 +1,20 @@
+import { describe, it } from 'mocha';
+import { expect } from 'earl';
+import { DOMAIN_ALIVE_REASON_MESSAGES, DOMAIN_ALIVE_REASONS } from 'domain-alive';
+import { createDomainAliveMethods } from './is-domain-alive';
+
+describe('domain-alive integration', () => {
+  it('constructs the checkers with the custom DoH agent', async () => {
+    const { isDomainAlive, isRegisterableDomainAlive } = createDomainAliveMethods({});
+    const [domainResult, registerableDomainResult] = await Promise.all([
+      isDomainAlive(''),
+      isRegisterableDomainAlive('')
+    ]);
+
+    expect(domainResult.reason).toEqual(DOMAIN_ALIVE_REASONS.INVALID_DOMAIN);
+    expect(registerableDomainResult.reason).toEqual(DOMAIN_ALIVE_REASONS.INVALID_DOMAIN);
+    expect(DOMAIN_ALIVE_REASON_MESSAGES[domainResult.reason]).toEqual(
+      'No registerable domain could be extracted.'
+    );
+  });
+});