Top Level Namespace

Defined Under Namespace

Modules: Ikra, Parsing, Sourcify Classes: Array, Binding, FalseClass, Fixnum, Float, Integer, NilClass, Object, STOP_DUMPING_OBJECT_SPACE_PROCS, Symbol, TrueClass

Constant Summary collapse

DUMPED_OBJECT_SPACE_PROCS = 
{:max => nil, :done => 0}
DUMP_OBJECT_SPACE_PROCS_ERRORS = 
[]

Instance Method Summary collapse

Instance Method Details

#capture(stdin_str = '') ⇒ Object 



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# File 'lib/sourcify/spec/spec_helper.rb', line 87

def capture(stdin_str = '')
  begin
    require 'stringio'
    $o_stdin, $o_stdout, $o_stderr = $stdin, $stdout, $stderr
    $stdin, $stdout, $stderr = StringIO.new(stdin_str), StringIO.new, StringIO.new
    yield
    {:stdout => $stdout.string, :stderr => $stderr.string}
  ensure
    $stdin, $stdout, $stderr = $o_stdin, $o_stdout, $o_stderr
  end
end

#code_to_sexp(code) ⇒ Object 



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# File 'lib/sourcify/spec/spec_helper.rb', line 47

def code_to_sexp(code)
  if has_parsetree?
    require 'parse_tree'
    Unifier.new.process(ParseTree.translate(code))
  else
    require 'ruby_parser'
    RubyParser.new.parse(code)
  end
end

#dump_object_space_procs(debug = false) ⇒ Object 



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# File 'lib/sourcify/spec/dump_object_space_procs.rb', line 15

def dump_object_space_procs(debug = false)
  # Determine working dir
  name = [
    RUBY_DESCRIPTION =~ /enterprise/i ? 'ree' : (RUBY_PLATFORM =~ /java/i ? 'jruby' : 'mri'),
    RUBY_VERSION,
    Object.const_defined?(:ParseTree) ? 'parsetree' : nil
  ].compact.join('~')
  dump_dir = File.join(File.dirname(File.expand_path(__FILE__)), '..', 'tmp', name)
  Dir.mkdir(dump_dir) unless File.exists?(dump_dir)

  puts '',
    '== NOTE: dump files can be found at %s' % dump_dir

  # Core processing
  ObjectSpace.each_object(Proc).to_a.select{|o| o.source_location }.
    group_by{|o| o.source_location[0] }.each do |ofile, objs|
      nfile = File.join(dump_dir, ofile.gsub('/','~'))
      File.open(nfile,'w') do |f|
        objs.sort_by{|o| o.source_location[1] }.map do |o|
          DUMPED_OBJECT_SPACE_PROCS[:done] += 1
          begin
            data = {
              :location => o.source_location,
              :sexp => o.to_sexp,
              :source => o.to_source
            }
            f.puts(data.pretty_inspect)
            print '.'
          rescue Exception
            data = {
              :location => o.source_location,
              :error => $!.inspect
            }
            DUMP_OBJECT_SPACE_PROCS_ERRORS << data
            f.puts(data.pretty_inspect)
            pp(data) if debug
            print 'x'
          ensure
            raise STOP_DUMPING_OBJECT_SPACE_PROCS \
              if DUMPED_OBJECT_SPACE_PROCS.values.uniq.size == 1
          end
        end
      end
    end
end

#has_parsetree? ⇒ Boolean

/////////////////////////////////////////////////////////// Spec helpers & matchers ///////////////////////////////////////////////////////////

Returns:

  • (Boolean) 


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# File 'lib/sourcify/spec/spec_helper.rb', line 39

def has_parsetree?
  Object.const_defined?(:ParseTree)
end

#having_raw_source(expected, opts = {}, &matcher) ⇒ Object 



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# File 'lib/sourcify/spec/spec_helper.rb', line 69

def having_raw_source(expected, opts={}, &matcher)
  lambda do |thing|
    found = block_given? ? thing.to_raw_source(&matcher) : thing.to_raw_source(opts)
    found == expected.strip
  end
end

#having_sexp(expected, opts = {}, &matcher) ⇒ Object 



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# File 'lib/sourcify/spec/spec_helper.rb', line 76

def having_sexp(expected, opts={}, &matcher)
  lambda do |thing|
    expected = eval(expected) if expected.is_a?(String)
    if block_given?
      thing.to_sexp(&matcher).inspect == expected.inspect
    else
      thing.to_sexp(opts).inspect == expected.inspect
    end
  end
end

#having_source(expected, opts = {}, &matcher) ⇒ Object 



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# File 'lib/sourcify/spec/spec_helper.rb', line 61

def having_source(expected, opts={}, &matcher)
  lambda do |thing|
    #normalize_code(expected) # added for bug fixing
    normalize_code(block_given? ? thing.to_source(&matcher) : thing.to_source(opts)) \
      == normalize_code(expected)
  end
end

#irb_exec(stdin_str) ⇒ Object 



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# File 'lib/sourcify/spec/spec_helper.rb', line 99

def irb_exec(stdin_str)
  # See http://tyenglog.heroku.com/2010/9/how-to-test-irb-specific-support &
  # http://tyenglog.heroku.com/2010/9/how-to-test-irb-specific-support-2-
  sourcify_rb = File.join(File.expand_path(File.dirname(__FILE__)), '..', 'lib', 'sourcify.rb')
  irb_feedback = /^ ?=> /
  irb_opts = '--simple-prompt'
  values = %x(echo "#{stdin_str}" | irb #{irb_opts} -r #{sourcify_rb}).split("\n").
    grep(irb_feedback).map{|s| eval(s.sub(irb_feedback,'').strip) }

  # IRB behaves slightly differently in 1.9.2 for appending newline
  (values[-1].nil? && RUBY_VERSION =~ /1.9.(2|3)/) ? values[0 .. -2] : values
end

#normalize_code(code) ⇒ Object 



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# File 'lib/sourcify/spec/spec_helper.rb', line 57

def normalize_code(code)
  Ruby2Ruby.new.process(code_to_sexp(code))
end

#pry_exec(stdin_str) ⇒ Object 



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# File 'lib/sourcify/spec/spec_helper.rb', line 112

def pry_exec(stdin_str)
  sourcify_rb = File.join(File.expand_path(File.dirname(__FILE__)), '..', 'lib', 'sourcify.rb')
  pry_opts = '--simple-prompt --no-color'
  results = []

  %x(echo "#{stdin_str}" | pry #{pry_opts} -r #{sourcify_rb}).
    split("\n").each do |line|
      case line
      when /^((?:>> |)=> )/
        results << [line.sub($1,'')]
      when /^( )/
        results[-1] << line
      end
    end

  results = results.map{|lines| eval(lines.join) }
  results[-1].nil? ? results[0..-2] : results
end

#watever(*args, &block) ⇒ Object 



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# File 'lib/sourcify/spec/spec_helper.rb', line 43

def watever(*args, &block)
  Proc.new(&block)
end