Update doctest client with latest v4 release (#2844)

packages/client/lib/commands/HTTL.spec.ts

@@ -0,0 +1,34 @@
+import { strict as assert } from 'node:assert';
+import testUtils, { GLOBAL } from '../test-utils';
+import { transformArguments } from './HTTL';
+import { HASH_EXPIRATION_TIME } from './HEXPIRETIME';
+
+describe('HTTL', () => {
+  testUtils.isVersionGreaterThanHook([7, 4]);
+
+  describe('transformArguments', () => {
+    it('string', () => {
+      assert.deepEqual(
+        transformArguments('key', 'field'),
+        ['HTTL', 'key', 'FIELDS', '1', 'field']
+      );
+    });
+
+    it('array', () => {
+      assert.deepEqual(
+        transformArguments('key', ['field1', 'field2']),
+        ['HTTL', 'key', 'FIELDS', '2', 'field1', 'field2']
+      );
+    });
+  
+  });
+
+  testUtils.testWithClient('hTTL', async client => {
+    assert.deepEqual(
+      await client.hTTL('key', 'field1'),
+      [HASH_EXPIRATION_TIME.FIELD_NOT_EXISTS]
+    );
+  }, {
+    ...GLOBAL.SERVERS.OPEN
+  });
+});