require 'spec_helper'

module CiteProc
	
	describe Selector do
		
		let(:select_books) { Selector.new(:all => { :type => :book }) }
		
		it { should_not be nil }
		it { should be_empty }
		
		
		it 'should have no skip_condtions by default' do
			Selector.new.skip_conditions.should be_empty
		end

		it 'should have no condtions by default' do
			Selector.new.conditions.should be_empty
		end
		
		describe 'constructing' do
						
			%w{ all none any skip }.each do |matcher|
				it "accepts the ruby style matcher '#{matcher}'" do
					Selector.new(matcher => {}).should_not be nil
				end
			end

			%w{ include exclude select quash }.each do |matcher|
				it "accepts the citeproc-js style matcher '#{matcher}'" do
					Selector.new(matcher => {}).should_not be nil
				end
			end

			# it 'fails if the hash contains more than two elements'
			# it 'fails if the hash contains unknown keys'
			
			it 'accepts a citeproc json style hash'
			# it 'accepts a json object (select)' do
			#         Selector.new(
			#            "select" => [
			#               {
			#                  "field" => "type",
			#                  "value" => "book"
			#               },
			#               {  "field" => "categories",
			#                   "value" => "1990s"
			#               }
			#            ]
			#         ).conditions.should have(2).items
			#       end
      
		end
		
		describe '#to_proc' do
		end
		
		describe '#to_citeproc' do
			
			it 'returns nil by default' do
				Selector.new.to_citeproc.should be nil
			end
			
			it 'converts all matcher to select' do
				Selector.new(:all => { :a => 'b' }).to_citeproc.should == { 'select' => [{ 'field' => 'a', 'value' => 'b' }]}
			end

			it 'converts any matcher to include' do
				Selector.new(:any => { :a => 'b' }).to_citeproc.should == { 'include' => [{ 'field' => 'a', 'value' => 'b' }]}
			end

			it 'converts none matcher to exclude' do
				Selector.new(:none => { :a => 'b' }).to_citeproc.should == { 'exclude' => [{ 'field' => 'a', 'value' => 'b' }]}
			end

			
		end
		
	end
	
end