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TypeError: Cannot read property 'unmask' of undefined (Socket.io) Β· Issue #2593 Β· karma-runner/karma Β· GitHub
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Description
With a fresh npm install
I am suddenly seeing an error to do with Karma's socket.io code. This is across different browsers (Chrome / PhantomJS) and systems (macOS / Ubuntu).
Expected behaviour
Karma starts, loads browser, connects to browser and then runs tests.
Actual behaviour
Karma starts, loads browser, and fails to connect to browser, instead receiving a syntax error:
START:
06 03 2017 16:39:59.624:INFO [karma]: Karma v1.5.0 server started at https://0.0.0.0:9876/
06 03 2017 16:39:59.626:INFO [launcher]: Launching browser Chrome with unlimited concurrency
06 03 2017 16:39:59.652:INFO [launcher]: Starting browser Chrome
06 03 2017 16:40:00.582:ERROR [karma]: TypeError: Cannot read property 'unmask' of undefined
at Receiver.unmask (/Users/petemill/Development/Makook/dmktplc/admin-web/node_modules/engine.io/node_modules/ws/lib/Receiver.js:306:46)
at Receiver.finish (/Users/petemill/Development/Makook/dmktplc/admin-web/node_modules/engine.io/node_modules/ws/lib/Receiver.js:505:25)
at Receiver.expectHandler (/Users/petemill/Development/Makook/dmktplc/admin-web/node_modules/engine.io/node_modules/ws/lib/Receiver.js:493:33)
at Receiver.add (/Users/petemill/Development/Makook/dmktplc/admin-web/node_modules/engine.io/node_modules/ws/lib/Receiver.js:103:24)
at Socket.realHandler (/Users/petemill/Development/Makook/dmktplc/admin-web/node_modules/engine.io/node_modules/ws/lib/WebSocket.js:825:20)
at emitOne (events.js:96:13)
at Socket.emit (events.js:188:7)
at readableAddChunk (_stream_readable.js:176:18)
at Socket.Readable.push (_stream_readable.js:134:10)
at TCP.onread (net.js:548:20)
npm ERR! Test failed. See above for more details.
Environment Details
- Tested on 1.4.x and 1.5.x
Steps to reproduce the behaviour
- Latest version of karma, karma-coverage, karma-mocha and karma-chrome-launcher
- Run karma
magnattic, julensas, danielbaak and alexey2baranov
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