Support new muilti pop commands

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

@@ -0,0 +1,37 @@
+import { strict as assert } from 'assert';
+import testUtils, { GLOBAL } from '../test-utils';
+import { transformArguments } from './BZMPOP';
+
+describe.only('BZMPOP', () => {
+    testUtils.isVersionGreaterThanHook([7, 0]);
+
+    describe('transformArguments', () => {
+        it('simple', () => {
+            assert.deepEqual(
+                transformArguments(0, 'key', {
+                    SCORE: 'MIN'
+                }),
+                ['BZMPOP', '0', '1', 'key', 'MIN']
+            );
+        });
+
+        it('with score and count', () => {
+            assert.deepEqual(
+                transformArguments(0, 'key', {
+                    SCORE: 'MIN',
+                    COUNT: 2
+                }),
+                ['BZMPOP', '0', '1', 'key', 'MIN', 'COUNT', '2']
+            );
+        });
+    });
+
+    testUtils.testWithClient('client.zmScore', async client => {
+        assert.deepEqual(
+            await client.bzmPop(0, 'key', {
+                SCORE: 'MAX'
+            }),
+            null
+        );
+    }, GLOBAL.SERVERS.OPEN);
+});