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dcrouter/test/test.email-dns-records.node.ts

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import { tap, expect } from '@git.zone/tstest/tapbundle';
import { buildEmailDnsRecords } from '../ts/email/index.js';
tap.test('buildEmailDnsRecords uses the configured mail hostname for MX and includes DKIM when provided', async () => {
const records = buildEmailDnsRecords({
domain: 'example.com',
hostname: 'mail.example.com',
selector: 'selector1',
dkimValue: 'v=DKIM1; h=sha256; k=rsa; p=abc123',
statuses: {
mx: 'valid',
spf: 'missing',
dkim: 'valid',
dmarc: 'unchecked',
},
});
expect(records).toEqual([
{
type: 'MX',
name: 'example.com',
value: '10 mail.example.com',
status: 'valid',
},
{
type: 'TXT',
name: 'example.com',
value: 'v=spf1 a mx ~all',
status: 'missing',
},
{
type: 'TXT',
name: 'selector1._domainkey.example.com',
value: 'v=DKIM1; h=sha256; k=rsa; p=abc123',
status: 'valid',
},
{
type: 'TXT',
name: '_dmarc.example.com',
value: 'v=DMARC1; p=none; rua=mailto:dmarc@example.com',
status: 'unchecked',
},
]);
});
tap.test('buildEmailDnsRecords omits DKIM when no value is provided', async () => {
const records = buildEmailDnsRecords({
domain: 'example.net',
hostname: 'smtp.example.net',
mxPriority: 20,
});
expect(records.map((record) => record.name)).toEqual([
'example.net',
'example.net',
'_dmarc.example.net',
]);
expect(records[0].value).toEqual('20 smtp.example.net');
});
tap.test('cleanup', async () => {
await tap.stopForcefully();
});
export default tap.start();