237 lines
8.1 KiB
CoffeeScript
237 lines
8.1 KiB
CoffeeScript
fs = require 'fs'
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path = require 'path'
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{extend} = require './lib/helpers'
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CoffeeScript = require './lib/coffee-script'
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{spawn, exec} = require 'child_process'
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# ANSI Terminal Colors.
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bold = '\033[0;1m'
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red = '\033[0;31m'
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green = '\033[0;32m'
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reset = '\033[0m'
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# Built file header.
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header = """
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/**
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* CoffeeScript Compiler v#{CoffeeScript.VERSION}
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* http://coffeescript.org
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*
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* Copyright 2011, Jeremy Ashkenas
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* Released under the MIT License
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*/
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"""
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sources = [
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'src/coffee-script.coffee', 'src/grammar.coffee'
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'src/helpers.coffee', 'src/lexer.coffee', 'src/nodes.coffee'
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'src/rewriter.coffee', 'src/scope.coffee'
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]
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# Run a CoffeeScript through our node/coffee interpreter.
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run = (args) ->
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proc = spawn 'bin/coffee', args
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proc.stderr.on 'data', (buffer) -> console.log buffer.toString()
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proc.on 'exit', (status) -> process.exit(1) if status != 0
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# Log a message with a color.
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log = (message, color, explanation) ->
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console.log color + message + reset + ' ' + (explanation or '')
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option '-p', '--prefix [DIR]', 'set the installation prefix for `cake install`'
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task 'install', 'install CoffeeScript into /usr/local (or --prefix)', (options) ->
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base = options.prefix or '/usr/local'
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lib = "#{base}/lib/coffee-script"
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bin = "#{base}/bin"
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node = "~/.node_libraries/coffee-script"
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console.log "Installing CoffeeScript to #{lib}"
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console.log "Linking to #{node}"
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console.log "Linking 'coffee' to #{bin}/coffee"
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exec([
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"mkdir -p #{lib} #{bin}"
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"cp -rf bin lib LICENSE README package.json src #{lib}"
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"ln -sfn #{lib}/bin/coffee #{bin}/coffee"
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"ln -sfn #{lib}/bin/cake #{bin}/cake"
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"mkdir -p ~/.node_libraries"
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"ln -sfn #{lib}/lib #{node}"
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].join(' && '), (err, stdout, stderr) ->
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if err then console.log stderr.trim() else log 'done', green
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)
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task 'build', 'build the CoffeeScript language from source', ->
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files = fs.readdirSync 'src'
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files = ('src/' + file for file in files when file.match(/\.coffee$/))
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run ['-c', '-o', 'lib'].concat(files)
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task 'build:full', 'rebuild the source twice, and run the tests', ->
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exec 'bin/cake build && bin/cake build && bin/cake test', (err, stdout, stderr) ->
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console.log stdout.trim() if stdout
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console.log stderr.trim() if stderr
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throw err if err
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task 'build:parser', 'rebuild the Jison parser (run build first)', ->
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extend global, require('util')
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require 'jison'
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parser = require('./lib/grammar').parser
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fs.writeFile 'lib/parser.js', parser.generate()
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task 'build:ultraviolet', 'build and install the Ultraviolet syntax highlighter', ->
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exec 'plist2syntax ../coffee-script-tmbundle/Syntaxes/CoffeeScript.tmLanguage', (err) ->
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throw err if err
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exec 'sudo mv coffeescript.yaml /usr/local/lib/ruby/gems/1.8/gems/ultraviolet-0.10.2/syntax/coffeescript.syntax'
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task 'build:browser', 'rebuild the merged script for inclusion in the browser', ->
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code = ''
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for name in ['helpers', 'rewriter', 'lexer', 'parser', 'scope', 'nodes', 'coffee-script', 'browser']
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code += """
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require['./#{name}'] = new function() {
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var exports = this;
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#{fs.readFileSync "lib/#{name}.js"}
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};
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"""
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code = """
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this.CoffeeScript = function() {
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function require(path){ return require[path]; }
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#{code}
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return require['./coffee-script']
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}()
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"""
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unless process.env.MINIFY is 'false'
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{parser, uglify} = require 'uglify-js'
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code = uglify.gen_code uglify.ast_squeeze uglify.ast_mangle parser.parse code
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fs.writeFileSync 'extras/coffee-script.js', header + '\n' + code
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console.log "built ... running browser tests:"
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invoke 'test:browser'
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task 'doc:site', 'watch and continually rebuild the documentation for the website', ->
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exec 'rake doc', (err) ->
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throw err if err
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task 'doc:source', 'rebuild the internal documentation', ->
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exec 'docco src/*.coffee && cp -rf docs documentation && rm -r docs', (err) ->
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throw err if err
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task 'doc:underscore', 'rebuild the Underscore.coffee documentation page', ->
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exec 'docco examples/underscore.coffee && cp -rf docs documentation && rm -r docs', (err) ->
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throw err if err
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task 'bench', 'quick benchmark of compilation time', ->
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{Rewriter} = require './lib/rewriter'
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co = sources.map((name) -> fs.readFileSync name).join '\n'
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fmt = (ms) -> " #{bold}#{ " #{ms}".slice -4 }#{reset} ms"
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total = 0
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now = Date.now()
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time = -> total += ms = -(now - now = Date.now()); fmt ms
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tokens = CoffeeScript.tokens co, rewrite: false
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console.log "Lex #{time()} (#{tokens.length} tokens)"
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tokens = new Rewriter().rewrite tokens
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console.log "Rewrite#{time()} (#{tokens.length} tokens)"
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nodes = CoffeeScript.nodes tokens
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console.log "Parse #{time()}"
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js = nodes.compile bare: true
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console.log "Compile#{time()} (#{js.length} chars)"
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console.log "total #{ fmt total }"
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task 'loc', 'count the lines of source code in the CoffeeScript compiler', ->
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exec "cat #{ sources.join(' ') } | grep -v '^\\( *#\\|\\s*$\\)' | wc -l | tr -s ' '", (err, stdout) ->
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console.log stdout.trim()
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# Run the CoffeeScript test suite.
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runTests = (CoffeeScript) ->
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startTime = Date.now()
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currentFile = null
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passedTests = 0
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failures = []
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# make "global" reference available to tests
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global.global = global
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# Mix in the assert module globally, to make it available for tests.
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addGlobal = (name, func) ->
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global[name] = ->
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passedTests += 1
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func arguments...
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addGlobal name, func for name, func of require 'assert'
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# Convenience aliases.
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global.eq = global.strictEqual
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global.CoffeeScript = CoffeeScript
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# Our test helper function for delimiting different test cases.
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global.test = (description, fn) ->
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try
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fn.test = {description, currentFile}
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fn.call(fn)
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catch e
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e.description = description if description?
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e.source = fn.toString() if fn.toString?
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failures.push file: currentFile, error: e
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# A recursive functional equivalence helper; uses egal for testing equivalence.
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# See http://wiki.ecmascript.org/doku.php?id=harmony:egal
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arrayEqual = (a, b) ->
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if a is b
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# 0 isnt -0
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a isnt 0 or 1/a is 1/b
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else if a instanceof Array and b instanceof Array
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return no unless a.length is b.length
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return no for el, idx in a when not arrayEqual el, b[idx]
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yes
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else
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# NaN is NaN
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a isnt a and b isnt b
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global.arrayEq = (a, b, msg) -> ok arrayEqual(a,b), msg
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# When all the tests have run, collect and print errors.
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# If a stacktrace is available, output the compiled function source.
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process.on 'exit', ->
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time = ((Date.now() - startTime) / 1000).toFixed(2)
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message = "passed #{passedTests} tests in #{time} seconds#{reset}"
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return log(message, green) unless failures.length
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log "failed #{failures.length} and #{message}", red
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for fail in failures
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{error, file} = fail
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jsFile = file.replace(/\.coffee$/,'.js')
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match = error.stack?.match(new RegExp(fail.file+":(\\d+):(\\d+)"))
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match = error.stack?.match(/on line (\d+):/) unless match
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[match, line, col] = match if match
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log "\n #{error.toString()}", red
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log " #{error.description}", red if error.description
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log " #{jsFile}: line #{line or 'unknown'}, column #{col or 'unknown'}", red
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console.log " #{error.source}" if error.source
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# Run every test in the `test` folder, recording failures.
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fs.readdir 'test', (err, files) ->
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files.forEach (file) ->
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return unless file.match(/\.coffee$/i)
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filename = path.join 'test', file
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fs.readFile filename, (err, code) ->
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currentFile = filename
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try
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CoffeeScript.run code.toString(), {filename}
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catch e
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failures.push file: currentFile, error: e
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task 'test', 'run the CoffeeScript language test suite', ->
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runTests CoffeeScript
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task 'test:browser', 'run the test suite against the merged browser script', ->
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source = fs.readFileSync 'extras/coffee-script.js', 'utf-8'
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result = {}
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global.testingBrowser = yes
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(-> eval source).call result
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runTests result.CoffeeScript
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