fix #2090 - topK.listWithCount (#2091)

packages/bloom/lib/commands/top-k/LIST_WITHCOUNT.spec.ts

@@ -0,0 +1,30 @@
+import { strict as assert } from 'assert';
+import testUtils, { GLOBAL } from '../../test-utils';
+import { transformArguments } from './LIST_WITHCOUNT';
+
+describe('TOPK LIST WITHCOUNT', () => {
+    testUtils.isVersionGreaterThanHook([2, 2, 9]);
+    
+    it('transformArguments', () => {
+        assert.deepEqual(
+            transformArguments('key'),
+            ['TOPK.LIST', 'key', 'WITHCOUNT']
+        );
+    });
+
+    testUtils.testWithClient('client.topK.listWithCount', async client => {
+        const [,, list] = await Promise.all([
+            client.topK.reserve('key', 3),
+            client.topK.add('key', 'item'),
+            client.topK.listWithCount('key')
+        ]);
+
+        assert.deepEqual(
+            list,
+            [{
+                item: 'item',
+                count: 1
+            }]
+        );
+    }, GLOBAL.SERVERS.OPEN);
+});