Bloom commands (#1786)

* ft.alter

* bloom commands

* tdigest

* delete tdigest

* uncomment tests

* small changes

* Update MADD.ts

* small changes

* clean code

* Update README.md

* Update README.md

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

packages/bloom/lib/commands/cuckoo/INFO.spec.ts

@@ -0,0 +1,27 @@
+import { strict as assert } from 'assert';
+import testUtils, { GLOBAL } from '../../test-utils';
+import { transformArguments } from './INFO';
+
+describe('CF INFO', () => {
+    it('transformArguments', () => {
+        assert.deepEqual(
+            transformArguments('cuckoo'),
+            ['CF.INFO', 'cuckoo']
+        );
+    });
+
+    testUtils.testWithClient('client.cf.info', async client => {
+        await client.cf.reserve('key', 4);
+
+        const info = await client.cf.info('key');
+        assert.equal(typeof info, 'object');
+        assert.equal(typeof info.size, 'number');
+        assert.equal(typeof info.numberOfBuckets, 'number');
+        assert.equal(typeof info.numberOfFilters, 'number');
+        assert.equal(typeof info.numberOfInsertedItems, 'number');
+        assert.equal(typeof info.numberOfDeletedItems, 'number');
+        assert.equal(typeof info.bucketSize, 'number');
+        assert.equal(typeof info.expansionRate, 'number');
+        assert.equal(typeof info.maxIteration, 'number');
+    }, GLOBAL.SERVERS.OPEN);
+});