add envjs tests

.gitignore

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+.cache.*

test-envjs-johnson.rb

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+#!/usr/bin/env ruby
+
+require 'rubygems'
+gem 'johnson', '>= 2.0.0.pre3'
+require 'johnson/runtime'
+require 'envjs/runtime'
+require 'test/unit'
+
+class JSDeferredTest < Test::Unit::TestCase
+  module Utils
+    def color(str, color = 31, newline = true)
+      if STDOUT.tty?
+        print "\033[1;#{color}m%s\033[0m#{newline ? "\n" : ''}" % str
+      else
+        print "%s#{newline ? "\n" : ''}" % str
+      end
+    end
+
+    def js_init
+      <<-JS
+Global = (function () { return this })();
+Deferred.next = Deferred.next_default;
+function expect (msg, expect, result) {
+  if (expect == result) {
+    ok(msg, uneval(expect), uneval(result));
+  } else {
+    ng(msg, uneval(expect), uneval(result));
+  }
+  return true;
+}
+      JS
+    end
+
+    def jquery_cache
+      @jquery_cachename ||= '.cache.jquery-1.2.6.min.js'
+      if File.exist? @jquery_cachename
+        open(@jquery_cachename).read
+      else
+        require 'open-uri'
+        source = open('http://jqueryjs.googlecode.com/files/jquery-1.2.6.min.js').read
+        open(@jquery_cachename, 'w') {|f| 
+          f.puts source
+        }
+        source
+      end
+    end
+  end
+  include Utils
+
+  def test_main
+    runtime = Johnson::Runtime.new
+    runtime.extend Envjs::Runtime
+    runtime.evaluate jquery_cache
+    runtime.evaluate open('jsdeferred.js').read
+    runtime.evaluate open('binding/jquery.js').read
+
+    runtime.evaluate js_init
+
+    filename = 'test-jsdeferred.js'
+    full_source = open(filename).read
+    regexp = /\/\/ ::Test::Start::([\s\S]+)::Test::End::/
+    startline = full_source.split(regexp).first.lines.to_a.length + 1
+    source = full_source.match(regexp)[1]
+
+    testfuns = source.scan(/(ok|expect)\(.+/)
+    total = testfuns.size
+    runtime['testfuns'] = proc { testfuns }
+
+    assert_count = 0
+    runtime['ok'] = proc {|*msg| assert_count+=1; color("[#{assert_count}/#{total}] ", 34, false); assert true, color(msg.join(', '), 32) }
+    runtime['ng'] = proc {|*msg| assert false, color(msg.join(', '), 31)}
+    runtime['skip'] = proc {|*msg| assert true, msg }
+    runtime['log'] = runtime['print'] = runtime['msg'] = proc {|*args| puts args }
+
+    runtime.evaluate source, filename, startline
+    runtime.wait
+    assert_equal assert_count , total, "All Tests running!"
+  end
+end
+