# vim: set nosta noet ts=4 sw=4 ft=rspec:

BEGIN {
	require 'pathname'
	basedir = Pathname.new( __FILE__ ).dirname.parent
	libdir = basedir + "lib"

	$LOAD_PATH.unshift( libdir ) unless $LOAD_PATH.include?( libdir )
}

require 'rspec'
require 'chunker'

ENDSTUFF = <<ENDSTUFF
Stuff within the end block.

Content of the END block
Content of the END block
Content of the END block
Content of the END block
ENDSTUFF

HURGADURGA = <<HURGADURGA

Content of the HURGADURGA block
Content of the HURGADURGA block
Content of the HURGADURGA block
Content of the HURGADURGA block

HURGADURGA

HURRRRG = <<HURRRRG
	123123123 123123123 123123123
	123123123 123123123 123123123
	123123123 123123123 123123123
HURRRRG

POOP = <<POOP
Content of the POOP block
POOP

FILE_TEXT = <<EO_FILE_TEXT

This is stuff we shouldn't see or care about.
You know, stuff like code, presumably.

__END__
#{ENDSTUFF}
EO_FILE_TEXT

FILE_TEXT_MULTIPLE = <<EO_FILE_TEXT

This is stuff we shouldn't see or care about.
You know, stuff like code, presumably.

__END__
#{ENDSTUFF}
__POOP__
#{POOP}
__HURRRRG__
#{HURRRRG}
__HURGADURGA__
#{HURGADURGA}
EO_FILE_TEXT


describe Chunker do

	describe Chunker::DataParser do

		it "doesn't include content above the __END__ token" do
			klass = Class.new
			dp = Chunker::DataParser.new( klass, StringIO.new( FILE_TEXT_MULTIPLE ))
			dp.instance_variable_get( :@scanner ).string.
				should_not =~ /This is stuff we shouldn't see/
		end

		it "doesn't contain the __END__ token itself" do
			klass = Class.new
			dp = Chunker::DataParser.new( klass, StringIO.new( FILE_TEXT ))
			dp.instance_variable_get( :@scanner ).string.should_not =~ /^__END__/
		end
	end


	context 'when included from another class' do

		it "has all content in DATA_END if there are no sub blocks" do
			File.stub!( :open ).and_return( StringIO.new( FILE_TEXT ))
			klass = Class.new { include Chunker }

			klass.constants.should_not include( 'DATA_POOP' )
			klass.constants.should_not include( 'DATA_HURRRRG' )
			klass.constants.should_not include( 'DATA_HURGADURGA' )
			klass.constants.should include( 'DATA_END' )
		end

		it "separates data sub blocks into individual constants" do
			File.stub!( :open ).and_return( StringIO.new( FILE_TEXT_MULTIPLE ))
			klass = Class.new { include Chunker }

			klass.constants.should include( 'DATA_END' )
			klass.constants.should include( 'DATA_POOP' )
			klass.constants.should include( 'DATA_HURRRRG' )
			klass.constants.should include( 'DATA_HURGADURGA' )
		end

		it "has IO constants that contain the data block contents" do
			File.stub!( :open ).and_return( StringIO.new( FILE_TEXT_MULTIPLE ))
			klass = Class.new { include Chunker }

			klass.const_get( :DATA_END ).read.chomp.should        == ENDSTUFF
			klass.const_get( :DATA_POOP ).read.chomp.should       == POOP
			klass.const_get( :DATA_HURRRRG ).read.chomp.should    == HURRRRG
			klass.const_get( :DATA_HURGADURGA ).read.chomp.should == HURGADURGA
		end
	end
end