require 'test/unit'
require 'fileutils'
require 'soks-storage'

class MockWiki
	include WikiFlatFileStore
	
	def initialize( folder )
		@folder = folder
		@pages = {}
	end
	
	def mutate( pagename ) 
		p yield( @pages[pagename.downcase] ||= Page.new( pagename ) )
	end
end

class TestWikiFlatFileStore < Test::Unit::TestCase
	include FileUtils
	
	def setup
		@wiki = MockWiki.new(folder)	
	end
	
	def test_rename
		create_file 'a handy file.textile', 'hello world' 
		assert_equal( ['a handy file.textile'], files )
		@wiki.move_files_if_names_are_not_url_encoded
		assert_equal( ['a%20handy%20file.textile'], files )
	end
	
	def test_remove_unwanted_characters
		create_file 'a&b.textile', 'hello world'
		assert_equal( ['a&b.textile'], files )
		@wiki.move_files_if_names_are_not_url_encoded
		assert_equal( ['ab.textile'], files )
	end
	
	def test_avoid_overwriting_on_rename
		create_file 'a&b.textile', 'hello world'
		create_file 'ab.textile', 'hello world'
		assert_equal( ['a&b.textile','ab.textile'], files )
		@wiki.move_files_if_names_are_not_url_encoded
		assert_equal( ['ab.textile','ab1.textile'], files )
	end
	
	def teardown
		rmtree( folder )
	end

	private
	
	def create_file( name, content )
		File.open( File.join( folder, name ), 'w') { |f| f.puts content }
	end
	
	def files
		Dir.entries( folder ).delete_if { |name| name =~ /^\.+$/ }
	end
	
	def folder
		@folder ||= make_folder
	end
	
	def make_folder
		mkdir( 'testcontent' )
		'testcontent'
	end
end