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Running ng test in windows fails with EMFILE error #977

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Running ng test in windows fails with EMFILE error#977
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filipesilva
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P3An issue that is relevant to core functions, but does not impede progress. Important, but not urgenttype: bug/fix
@filipesilva

Description

@filipesilva
filipesilva
opened on Jun 1, 2016

Running ng test on Windows, with admin permissions, on a newly generated project fails with a Error: EMFILE: too many open files error.

Running ng serve and ng test --build=false in separate works though.

/cc @wardbell

OS: Windows 10

$ ng --version
angular-cli: 1.0.0-beta.5
node: 5.11.1
os: win32 x64

Reproduction steps:

ng new project
cd project
ng test

Result:

filipe.silva@DESKTOP-7ND6T3R MINGW64 /E/dev/testing/project (master)
$ ng test
Built project successfully. Stored in "dist/".
\ BuildingThe Broccoli Plugin: [BroccoliTypeScriptCompiler] failed with:
Error: EMFILE: too many open files, open 'E:\dev\testing\project\tmp\broccoli_type_script_compiler-input_base_path-sdKfbqXb.tmp\0\src\tsconfig.json'
    at Error (native)
    at Object.fs.openSync (fs.js:584:18)
    at Object.fs.readFileSync (fs.js:431:33)
    at BroccoliTypeScriptCompiler._loadTsConfig (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\lib\broccoli\broccoli-typescript.js:123:34)
    at BroccoliTypeScriptCompiler._createServiceHost (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\lib\broccoli\broccoli-typescript.js:158:25)
    at BroccoliTypeScriptCompiler.build (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\lib\broccoli\broccoli-typescript.js:41:12)
    at C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\node_modules\broccoli-caching-writer\index.js:152:21
    at lib$rsvp$$internal$$tryCatch (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\node_modules\rsvp\dist\rsvp.js:1036:16)
    at lib$rsvp$$internal$$invokeCallback (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\node_modules\rsvp\dist\rsvp.js:1048:17)
    at lib$rsvp$$internal$$publish (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\node_modules\rsvp\dist\rsvp.js:1019:11)
    at lib$rsvp$asap$$flush (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\node_modules\rsvp\dist\rsvp.js:1198:9)
    at _combinedTickCallback (internal/process/next_tick.js:67:7)
    at process._tickCallback (internal/process/next_tick.js:98:9)

The broccoli plugin was instantiated at:
    at BroccoliTypeScriptCompiler.Plugin (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\node_modules\broccoli-plugin\index.js:10:31)
    at BroccoliTypeScriptCompiler.CachingWriter [as constructor] (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\node_modules\broccoli-caching-writer\index.js:21:10)
    at BroccoliTypeScriptCompiler (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\lib\broccoli\broccoli-typescript.js:26:49)
    at Angular2App._getTsTree (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\lib\broccoli\angular2-app.js:321:18)
    at Angular2App._buildTree (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\lib\broccoli\angular2-app.js:116:23)
    at new Angular2App (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\lib\broccoli\angular2-app.js:53:23)
    at module.exports (E:\dev\testing\project\angular-cli-build.js:6:10)
    at Class.module.exports.Task.extend.setupBroccoliBuilder (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\node_modules\angular-cli\lib\models\builder.js:55:19)
    at Class.module.exports.Task.extend.init (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\node_modules\angular-cli\lib\models\builder.js:89:10)
    at new Class (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\node_modules\core-object\core-object.js:18:12)
    at Class.module.exports.Task.extend.run (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\node_modules\angular-cli\lib\tasks\build-watch.js:17:16)
    at C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\addon\ng2\commands\test.js:69:46
    at lib$rsvp$$internal$$tryCatch (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\node_modules\rsvp\dist\rsvp.js:1036:16)
    at lib$rsvp$$internal$$invokeCallback (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\node_modules\rsvp\dist\rsvp.js:1048:17)
    at lib$rsvp$$internal$$publish (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\node_modules\rsvp\dist\rsvp.js:1019:11)
    at lib$rsvp$asap$$flush (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\node_modules\rsvp\dist\rsvp.js:1198:9)


The Broccoli Plugin: [BroccoliTypeScriptCompiler] failed with:
Error: EMFILE: too many open files, open 'E:\dev\testing\project\tmp\broccoli_type_script_compiler-input_base_path-sdKfbqXb.tmp\0\src\tsconfig.json'
    at Error (native)
    at Object.fs.openSync (fs.js:584:18)
    at Object.fs.readFileSync (fs.js:431:33)
    at BroccoliTypeScriptCompiler._loadTsConfig (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\lib\broccoli\broccoli-typescript.js:123:34)
    at BroccoliTypeScriptCompiler._createServiceHost (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\lib\broccoli\broccoli-typescript.js:158:25)
    at BroccoliTypeScriptCompiler.build (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\lib\broccoli\broccoli-typescript.js:41:12)
    at C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\node_modules\broccoli-caching-writer\index.js:152:21
    at lib$rsvp$$internal$$tryCatch (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\node_modules\rsvp\dist\rsvp.js:1036:16)
    at lib$rsvp$$internal$$invokeCallback (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\node_modules\rsvp\dist\rsvp.js:1048:17)
    at lib$rsvp$$internal$$publish (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\node_modules\rsvp\dist\rsvp.js:1019:11)
    at lib$rsvp$asap$$flush (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\node_modules\rsvp\dist\rsvp.js:1198:9)
    at _combinedTickCallback (internal/process/next_tick.js:67:7)
    at process._tickCallback (internal/process/next_tick.js:98:9)

The broccoli plugin was instantiated at:
    at BroccoliTypeScriptCompiler.Plugin (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\node_modules\broccoli-plugin\index.js:10:31)
    at BroccoliTypeScriptCompiler.CachingWriter [as constructor] (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\node_modules\broccoli-caching-writer\index.js:21:10)
    at BroccoliTypeScriptCompiler (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\lib\broccoli\broccoli-typescript.js:26:49)
    at Angular2App._getTsTree (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\lib\broccoli\angular2-app.js:321:18)
    at Angular2App._buildTree (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\lib\broccoli\angular2-app.js:116:23)
    at new Angular2App (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\lib\broccoli\angular2-app.js:53:23)
    at module.exports (E:\dev\testing\project\angular-cli-build.js:6:10)
    at Class.module.exports.Task.extend.setupBroccoliBuilder (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\node_modules\angular-cli\lib\models\builder.js:55:19)
    at Class.module.exports.Task.extend.init (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\node_modules\angular-cli\lib\models\builder.js:89:10)
    at new Class (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\node_modules\core-object\core-object.js:18:12)
    at Class.module.exports.Task.extend.run (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\node_modules\angular-cli\lib\tasks\build-watch.js:17:16)
    at C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\addon\ng2\commands\test.js:69:46
    at lib$rsvp$$internal$$tryCatch (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\node_modules\rsvp\dist\rsvp.js:1036:16)
    at lib$rsvp$$internal$$invokeCallback (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\node_modules\rsvp\dist\rsvp.js:1048:17)
    at lib$rsvp$$internal$$publish (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\node_modules\rsvp\dist\rsvp.js:1019:11)
    at lib$rsvp$asap$$flush (C:\Users\filipe.silva\AppData\Roaming\nvm\v5.11.1\node_modules\angular-cli\node_modules\rsvp\dist\rsvp.js:1198:9)

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