Add DNS diagnostics across dataplane and client

test/server/dataplane-client.test.js

@@ -34,6 +34,8 @@ test('control uses the dataplane socket protocol', async () => {
     [{ id: 'custom-test', url: 'https://example.com' }],
     'site:custom-test',
   );
+  await client.getDnsDiagnosticsCatalog([{ id: 'dns' }], [{ id: 'domain' }]);
+  await client.runDnsDiagnostics([{ id: 'dns' }], [{ id: 'domain' }], 'youtube', 'google-dns');
   await client.checkConfig({ outbounds: [] });
   await client.runFailoverProbe('primary', [], 'site:youtube', 9_000);
   await client.readFailoverSelector();
@@ -53,6 +55,8 @@ test('control uses the dataplane socket protocol', async () => {
     'GET /device-policy /run/dataplane.sock',
     'PUT /device-policy /run/dataplane.sock',
     'POST /diagnostics/connectivity /run/dataplane.sock',
+    'POST /diagnostics/dns/catalog /run/dataplane.sock',
+    'POST /diagnostics/dns /run/dataplane.sock',
     'POST /config/check /run/dataplane.sock',
     'POST /failover/probe /run/dataplane.sock',
     'GET /failover/selector /run/dataplane.sock',
@@ -68,10 +72,18 @@ test('control uses the dataplane socket protocol', async () => {
     target: 'site:custom-test',
   });
   assert.equal(requests[8].timeoutMs, 25_000);
-  assert.deepEqual(requests[9].body, { config: { outbounds: [] } });
-  assert.deepEqual(requests[10].body, { role: 'primary', services: [], target: 'site:youtube', timeoutMs: 9_000 });
-  assert.equal(requests[10].timeoutMs, 19_000);
-  assert.deepEqual(requests[12].body, { role: 'reserve' });
+  assert.deepEqual(requests[9].body, {
+    customResolvers: [{ id: 'dns' }], customDomains: [{ id: 'domain' }],
+  });
+  assert.deepEqual(requests[10].body, {
+    customResolvers: [{ id: 'dns' }], customDomains: [{ id: 'domain' }],
+    domainId: 'youtube', resolverId: 'google-dns',
+  });
+  assert.equal(requests[10].timeoutMs, 40_000);
+  assert.deepEqual(requests[11].body, { config: { outbounds: [] } });
+  assert.deepEqual(requests[12].body, { role: 'primary', services: [], target: 'site:youtube', timeoutMs: 9_000 });
+  assert.equal(requests[12].timeoutMs, 19_000);
+  assert.deepEqual(requests[14].body, { role: 'reserve' });
 });
 
 test('connectivity diagnostics expose a retryable domain error', async () => {