use dockers for tests, use npm workspaces, add rejson & redisearch modules, fix some bugs

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

@@ -0,0 +1,36 @@
+import { strict as assert } from 'assert';
+import testUtils, { GLOBAL } from '../test-utils';
+import { transformArguments } from './COMMAND_INFO';
+import { CommandCategories, CommandFlags, CommandReply } from './generic-transformers';
+
+export function assertPingCommand(commandInfo: CommandReply | null | undefined): void {
+    assert.deepEqual(
+        commandInfo,
+        {
+            name: 'ping',
+            arity: -1,
+            flags: new Set([CommandFlags.STALE, CommandFlags.FAST]),
+            firstKeyIndex: 0,
+            lastKeyIndex: 0,
+            step: 0,
+            categories: new Set(
+                testUtils.isVersionGreaterThan([6]) ?
+                    [CommandCategories.FAST, CommandCategories.CONNECTION] :
+                    []
+            )
+        }
+    );
+}
+
+describe('COMMAND INFO', () => {
+    it('transformArguments', () => {
+        assert.deepEqual(
+            transformArguments(['PING']),
+            ['COMMAND', 'INFO', 'PING']
+        );
+    });
+
+    testUtils.testWithClient('client.commandInfo', async client => {
+        assertPingCommand((await client.commandInfo(['PING']))[0]);
+    }, GLOBAL.SERVERS.OPEN);
+});