From: Evan You <yyx990803@gmail.com>
Date: Thu, 20 Sep 2018 01:38:27 +0000 (-0400)
Subject: test: add dedupe test case for scheduler
X-Git-Tag: v3.0.0-alpha.0~1234
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=cb982099e4400d246ec7aa367ad85c6ffc959bec;p=thirdparty%2Fvuejs%2Fcore.git

test: add dedupe test case for scheduler
---

diff --git a/packages/scheduler/__tests__/scheduler.spec.ts b/packages/scheduler/__tests__/scheduler.spec.ts
index 60f4494bf9..27265c422d 100644
--- a/packages/scheduler/__tests__/scheduler.spec.ts
+++ b/packages/scheduler/__tests__/scheduler.spec.ts
@@ -77,4 +77,21 @@ describe('scheduler', () => {
     await nextTick()
     expect(calls).toEqual(['job1', 'job2', 'cb1', 'cb2'])
   })
+
+  test('should dedupe queued tasks', async () => {
+    const calls: any = []
+    const job1 = () => {
+      calls.push('job1')
+    }
+    const job2 = () => {
+      calls.push('job2')
+    }
+    queueJob(job1)
+    queueJob(job2)
+    queueJob(job1)
+    queueJob(job2)
+    expect(calls).toEqual([])
+    await nextTick()
+    expect(calls).toEqual(['job1', 'job2'])
+  })
 })