为什么Karma显示范围错误？

Question

我正在为茉莉花中的angularjs编写测试用例,并使用业力作为测试运行器.之前,一切都运行正常,但突然发现[RangeError:错误的长度!].我甚至不知道如何调试它发生的地方.请帮忙..

> Executed 81 of 85 SUCCESS (0 secs / 1.835 secs) 28 12 2015
> 17:07:32.063:ERROR [karma]: [RangeError: Wrong length!] RangeError:
> Wrong length!
>     at RangeError (native)
>     at strictToLength (/home/knoldus/roobricks-datashape-ui/node_modules/core-js/modules/_typed-array.js:94:36)
>     at /home/knoldus/roobricks-datashape-ui/node_modules/core-js/modules/_typed-array.js:404:44
>     at new Uint8Array (/home/knoldus/roobricks-datashape-ui/node_modules/core-js/modules/es6.typed.uint8-array.js:3:12)
>     at allocate (buffer.js:98:17)
>     at new Buffer (buffer.js:49:12)
>     at BufferPool.reset (/home/knoldus/roobricks-datashape-ui/node_modules/ws/lib/BufferPool.js:57:26)
>     at Receiver.endPacket (/home/knoldus/roobricks-datashape-ui/node_modules/ws/lib/Receiver.js:247:68)
>     at Receiver.opcodes.1.finish (/home/knoldus/roobricks-datashape-ui/node_modules/ws/lib/Receiver.js:483:12)
>     at Receiver.expectHandler (/home/knoldus/roobricks-datashape-ui/node_modules/ws/lib/Receiver.js:451:33)
>     at Receiver.add (/home/knoldus/roobricks-datashape-ui/node_modules/ws/lib/Receiver.js:95:24)
>     at Socket.realHandler (/home/knoldus/roobricks-datashape-ui/node_modules/ws/lib/WebSocket.js:800:20)
>     at emitOne (events.js:77:13)
>     at Socket.emit (events.js:169:7)
>     at readableAddChunk (_stream_readable.js:146:16)
>     at Socket.Readable.push (_stream_readable.js:110:10)

Answer 1

看起来这是最新karma版本(0.13.16)中的错误.请查看此问题:https://github.com/karma-runner/karma/issues/1768.

如果您已更新到karma@0.13.16并且coverage启用了报告器,则会遇到此问题.

目前问题尚未解决,因此您可以降级karma@0.13.15或禁用coverage报告者.问题解决后,可能会发布新的补丁版本.