feat: add setnxBuffer

compat.md

@@ -252,7 +252,6 @@
 - [sdiffBuffer][1]
 - [sdiffstoreBuffer][1]
 - [setbitBuffer][1]
-- [setnxBuffer][1]
 - [sinterBuffer][1]
 - [sinterstoreBuffer][1]
 - [sismemberBuffer][1]

jest.config.redis.js

@@ -66,7 +66,6 @@ module.exports = {
     'test/integration/commands/sdiff.js',
     'test/integration/commands/sdiffstore.js',
     'test/integration/commands/setbit.js',
-    'test/integration/commands/setnx.js',
     'test/integration/commands/sinter.js',
     'test/integration/commands/sinterstore.js',
     'test/integration/commands/sismember.js',

src/commands/setnx.js

@@ -7,3 +7,5 @@ export function setnx(key, val) {
 
   return 0
 }
+
+export const setnxBuffer = setnx

test/integration/commands/setnx.js

@@ -1,22 +1,20 @@
 import Redis from 'ioredis'
 
-describe('setnx', () => {
-  it('should set a key with value if it does not exist already', () => {
-    const redis = new Redis()
-    return redis
-      .setnx('foo', 'bar')
-      .then(status => {
-        return expect(status).toBe(1)
-      })
-      .then(() => {
-        expect(redis.data.get('foo')).toBe('bar')
-        return redis.setnx('foo', 'baz')
-      })
-      .then(status => {
-        return expect(status).toBe(0)
-      })
-      .then(() => {
-        expect(redis.data.get('foo')).toBe('bar')
-      })
+// eslint-disable-next-line import/no-relative-parent-imports
+import { runTwinSuite } from '../../../test-utils'
+
+runTwinSuite('setnx', command => {
+  describe(command, () => {
+    it('should set a key with value if it does not exist already', async () => {
+      const redis = new Redis()
+
+      expect(await redis[command]('foo', 'bar')).toBe(1)
+      expect(await redis.get('foo')).toBe('bar')
+
+      expect(await redis[command]('foo', 'baz')).toBe(0)
+      expect(await redis.get('foo')).not.toBe('baz')
+
+      redis.disconnect()
+    })
   })
 })