Support RedisTimeSeries (#1757)

* Implement missing commands and add test

* Update DECRBY.spec.ts

* Small changes

* clean code

* Update MGET_WITHLABELS.ts

Use map in transformReply

Co-authored-by: leibale <leibale1998@gmail.com>

packages/time-series/lib/commands/INFO.spec.ts

@@ -0,0 +1,50 @@
+import { strict as assert } from 'assert';
+import { TimeSeriesAggregationType, TimeSeriesDuplicatePolicies } from '.';
+import testUtils, { GLOBAL } from '../test-utils';
+import { transformArguments } from './INFO';
+
+describe('INFO', () => {
+    it('transformArguments', () => {
+        assert.deepEqual(
+            transformArguments('key'),
+            ['TS.INFO', 'key']
+        );
+    });
+
+    testUtils.testWithClient('client.ts.info', async client => {
+        await Promise.all([
+            client.ts.create('key', {
+                LABELS: { id: "2" },
+                DUPLICATE_POLICY: TimeSeriesDuplicatePolicies.LAST
+            }),
+            client.ts.create('key2'),
+            client.ts.createRule('key', 'key2', TimeSeriesAggregationType.COUNT, 5),
+            client.ts.add('key', 1, 10)
+        ]);
+
+        assert.deepEqual(
+            await client.ts.info('key'),
+            {
+                totalSamples: 1,
+                memoryUsage: 4261,
+                firstTimestamp: 1,
+                lastTimestamp: 1,
+                retentionTime: 0,
+                chunkCount: 1,
+                chunkSize: 4096,
+                chunkType: 'compressed',
+                duplicatePolicy: 'last',
+                labels: [{
+                    name: 'id',
+                    value: '2'
+                }],
+                rules: [{
+                    aggregationType: 'COUNT',
+                    key: 'key2',
+                    timeBucket: 5
+                }],
+                sourceKey: null
+            }
+        );
+    }, GLOBAL.SERVERS.OPEN);
+});