add support for all hash field expiration commands (#2787)

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

@@ -0,0 +1,33 @@
+import { strict as assert } from 'node:assert';
+import testUtils, { GLOBAL } from '../test-utils';
+import { transformArguments } from './HPTTL';
+import { HASH_EXPIRATION_TIME } from './HEXPIRETIME';
+
+describe('HPTTL', () => {
+  testUtils.isVersionGreaterThanHook([7, 4]);
+
+  describe('transformArguments', () => {
+    it('string', () => {
+      assert.deepEqual(
+        transformArguments('key', 'field'),
+        ['HPTTL', 'key', 'FIELDS', '1', 'field']
+      );
+    });
+
+    it('array', () => {
+      assert.deepEqual(
+        transformArguments('key', ['field1', 'field2']),
+        ['HPTTL', 'key', 'FIELDS', '2', 'field1', 'field2']
+      );
+    });
+  });
+
+  testUtils.testWithClient('hpTTL', async client => {
+    assert.deepEqual(
+      await client.hpTTL('key', 'field1'),
+      [ HASH_EXPIRATION_TIME.FieldNotExists ]
+    );
+  }, {
+    ...GLOBAL.SERVERS.OPEN
+  });
+});