481 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			Ruby
		
	
	
	
			
		
		
	
	
			481 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			Ruby
		
	
	
	
require File.dirname(__FILE__) + '/helper'
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class HundredCentes
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  def to_liquid
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    100
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  end
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end
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class CentsDrop < Liquid::Drop
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  def amount
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    HundredCentes.new
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  end
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  def non_zero?
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    true
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  end
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end
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class ContextSensitiveDrop < Liquid::Drop
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  def test
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    @context['test']
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  end
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end
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class Category < Liquid::Drop
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  attr_accessor :name
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  def initialize(name)
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    @name = name
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  end
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  def to_liquid
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    CategoryDrop.new(self)
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  end
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end
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class CategoryDrop
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  attr_accessor :category, :context
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  def initialize(category)
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    @category = category
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  end
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end
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class CounterDrop < Liquid::Drop
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  def count
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    @count ||= 0
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    @count += 1
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  end
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end
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class ArrayLike
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  def fetch(index)
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  end
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  def [](index)
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    @counts ||= []
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    @counts[index] ||= 0
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    @counts[index] += 1
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  end
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  def to_liquid
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    self
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  end
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end
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class ContextTest < Test::Unit::TestCase
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  include Liquid
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  def setup
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    @template = Liquid::Template.new
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    @context = Liquid::Context.new(@template.assigns, @template.registers)
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  end
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  def test_variables
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    @context['string'] = 'string'
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    assert_equal 'string', @context['string']
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    @context['num'] = 5
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    assert_equal 5, @context['num']
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    @context['time'] = Time.parse('2006-06-06 12:00:00')
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    assert_equal Time.parse('2006-06-06 12:00:00'), @context['time']
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    @context['date'] = Date.today
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    assert_equal Date.today, @context['date']
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    now = DateTime.now
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    @context['datetime'] = now
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    assert_equal now, @context['datetime']
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    @context['bool'] = true
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    assert_equal true, @context['bool']
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    @context['bool'] = false
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    assert_equal false, @context['bool']
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    @context['nil'] = nil
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    assert_equal nil, @context['nil']
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    assert_equal nil, @context['nil']
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  end
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  def test_variables_not_existing
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    assert_equal nil, @context['does_not_exist']
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  end
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  def test_scoping
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    assert_nothing_raised do
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      @context.push
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      @context.pop
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    end
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    assert_raise(Liquid::ContextError) do
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      @context.pop
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    end
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    assert_raise(Liquid::ContextError) do
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      @context.push
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      @context.pop
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      @context.pop
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    end
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  end
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  def test_length_query
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    @context['numbers'] = [1,2,3,4]
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    assert_equal 4, @context['numbers.size']
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    @context['numbers'] = {1 => 1,2 => 2,3 => 3,4 => 4}
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    assert_equal 4, @context['numbers.size']
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    @context['numbers'] = {1 => 1,2 => 2,3 => 3,4 => 4, 'size' => 1000}
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    assert_equal 1000, @context['numbers.size']
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  end
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  def test_hyphenated_variable
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    @context['oh-my'] = 'godz'
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    assert_equal 'godz', @context['oh-my']
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  end
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  def test_add_filter
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    filter = Module.new do
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      def hi(output)
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        output + ' hi!'
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      end
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    end
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    context = Context.new(@template)
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    context.add_filters(filter)
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    assert_equal 'hi? hi!', context.invoke(:hi, 'hi?')
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    context = Context.new(@template)
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    assert_equal 'hi?', context.invoke(:hi, 'hi?')
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    context.add_filters(filter)
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    assert_equal 'hi? hi!', context.invoke(:hi, 'hi?')
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  end
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  def test_override_global_filter
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    global = Module.new do
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      def notice(output)
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        "Global #{output}"
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      end
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    end
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    local = Module.new do
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      def notice(output)
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        "Local #{output}"
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      end
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    end
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    Template.register_filter(global)
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    assert_equal 'Global test', Template.parse("{{'test' | notice }}").render
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    assert_equal 'Local test', Template.parse("{{'test' | notice }}").render({}, :filters => [local])
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  end
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  def test_only_intended_filters_make_it_there
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    filter = Module.new do
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      def hi(output)
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        output + ' hi!'
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      end
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    end
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    context = Context.new(@template)
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    methods_before = context.strainer.methods.map { |method| method.to_s }
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    context.add_filters(filter)
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    methods_after = context.strainer.methods.map { |method| method.to_s }
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    assert_equal (methods_before + ["hi"]).sort, methods_after.sort
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  end
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  def test_add_item_in_outer_scope
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    @context['test'] = 'test'
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    @context.push
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    assert_equal 'test', @context['test']
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    @context.pop
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    assert_equal 'test', @context['test']
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  end
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  def test_add_item_in_inner_scope
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    @context.push
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    @context['test'] = 'test'
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    assert_equal 'test', @context['test']
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    @context.pop
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    assert_equal nil, @context['test']
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  end
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  def test_hierachical_data
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    @context['hash'] = {"name" => 'tobi'}
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    assert_equal 'tobi', @context['hash.name']
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    assert_equal 'tobi', @context['hash["name"]']
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  end
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  def test_keywords
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    assert_equal true, @context['true']
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    assert_equal false, @context['false']
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  end
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  def test_digits
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    assert_equal 100, @context['100']
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    assert_equal 100.00, @context['100.00']
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  end
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  def test_strings
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    assert_equal "hello!", @context['"hello!"']
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    assert_equal "hello!", @context["'hello!'"]
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  end
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  def test_merge
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    @context.merge({ "test" => "test" })
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    assert_equal 'test', @context['test']
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    @context.merge({ "test" => "newvalue", "foo" => "bar" })
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    assert_equal 'newvalue', @context['test']
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    assert_equal 'bar', @context['foo']
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  end
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  def test_array_notation
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    @context['test'] = [1,2,3,4,5]
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    assert_equal 1, @context['test[0]']
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    assert_equal 2, @context['test[1]']
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    assert_equal 3, @context['test[2]']
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    assert_equal 4, @context['test[3]']
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    assert_equal 5, @context['test[4]']
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  end
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  def test_recoursive_array_notation
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    @context['test'] = {'test' => [1,2,3,4,5]}
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    assert_equal 1, @context['test.test[0]']
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    @context['test'] = [{'test' => 'worked'}]
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    assert_equal 'worked', @context['test[0].test']
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  end
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  def test_hash_to_array_transition
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    @context['colors'] = {
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     'Blue'    => ['003366','336699', '6699CC', '99CCFF'],
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     'Green'   => ['003300','336633', '669966', '99CC99'],
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     'Yellow'  => ['CC9900','FFCC00', 'FFFF99', 'FFFFCC'],
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     'Red'     => ['660000','993333', 'CC6666', 'FF9999']
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    }
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    assert_equal '003366', @context['colors.Blue[0]']
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    assert_equal 'FF9999', @context['colors.Red[3]']
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  end
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  def test_try_first
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    @context['test'] = [1,2,3,4,5]
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    assert_equal 1, @context['test.first']
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    assert_equal 5, @context['test.last']
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    @context['test'] = {'test' => [1,2,3,4,5]}
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    assert_equal 1, @context['test.test.first']
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    assert_equal 5, @context['test.test.last']
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    @context['test'] = [1]
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    assert_equal 1, @context['test.first']
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    assert_equal 1, @context['test.last']
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  end
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  def test_access_hashes_with_hash_notation
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    @context['products'] = {'count' => 5, 'tags' => ['deepsnow', 'freestyle'] }
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    @context['product'] = {'variants' => [ {'title' => 'draft151cm'}, {'title' => 'element151cm'}  ]}
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    assert_equal 5, @context['products["count"]']
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    assert_equal 'deepsnow', @context['products["tags"][0]']
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    assert_equal 'deepsnow', @context['products["tags"].first']
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    assert_equal 'draft151cm', @context['product["variants"][0]["title"]']
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    assert_equal 'element151cm', @context['product["variants"][1]["title"]']
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    assert_equal 'draft151cm', @context['product["variants"][0]["title"]']
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    assert_equal 'element151cm', @context['product["variants"].last["title"]']
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  end
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  def test_access_variable_with_hash_notation
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    @context['foo'] = 'baz'
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    @context['bar'] = 'foo'
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    assert_equal 'baz', @context['["foo"]']
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    assert_equal 'baz', @context['[bar]']
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  end
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  def test_access_hashes_with_hash_access_variables
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    @context['var'] = 'tags'
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    @context['nested'] = {'var' => 'tags'}
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    @context['products'] = {'count' => 5, 'tags' => ['deepsnow', 'freestyle'] }
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    assert_equal 'deepsnow', @context['products[var].first']
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    assert_equal 'freestyle', @context['products[nested.var].last']
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  end
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  def test_hash_notation_only_for_hash_access
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    @context['array'] = [1,2,3,4,5]
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    @context['hash'] = {'first' => 'Hello'}
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    assert_equal 1, @context['array.first']
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    assert_equal nil, @context['array["first"]']
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    assert_equal 'Hello', @context['hash["first"]']
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  end
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  def test_first_can_appear_in_middle_of_callchain
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    @context['product'] = {'variants' => [ {'title' => 'draft151cm'}, {'title' => 'element151cm'}  ]}
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    assert_equal 'draft151cm', @context['product.variants[0].title']
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    assert_equal 'element151cm', @context['product.variants[1].title']
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    assert_equal 'draft151cm', @context['product.variants.first.title']
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    assert_equal 'element151cm', @context['product.variants.last.title']
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  end
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  def test_cents
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    @context.merge( "cents" => HundredCentes.new )
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    assert_equal 100, @context['cents']
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  end
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  def test_nested_cents
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    @context.merge( "cents" => { 'amount' => HundredCentes.new} )
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    assert_equal 100, @context['cents.amount']
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    @context.merge( "cents" => { 'cents' => { 'amount' => HundredCentes.new} } )
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    assert_equal 100, @context['cents.cents.amount']
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  end
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  def test_cents_through_drop
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    @context.merge( "cents" => CentsDrop.new )
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    assert_equal 100, @context['cents.amount']
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  end
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  def test_nested_cents_through_drop
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    @context.merge( "vars" => {"cents" => CentsDrop.new} )
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    assert_equal 100, @context['vars.cents.amount']
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  end
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  def test_drop_methods_with_question_marks
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    @context.merge( "cents" => CentsDrop.new )
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    assert @context['cents.non_zero?']
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  end
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  def test_context_from_within_drop
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    @context.merge( "test" => '123', "vars" => ContextSensitiveDrop.new )
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    assert_equal '123', @context['vars.test']
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  end
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  def test_nested_context_from_within_drop
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    @context.merge( "test" => '123', "vars" => {"local" => ContextSensitiveDrop.new }  )
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    assert_equal '123', @context['vars.local.test']
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  end
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  def test_ranges
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    @context.merge( "test" => '5' )
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    assert_equal (1..5), @context['(1..5)']
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    assert_equal (1..5), @context['(1..test)']
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    assert_equal (5..5), @context['(test..test)']
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  end
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  def test_cents_through_drop_nestedly
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    @context.merge( "cents" => {"cents" => CentsDrop.new} )
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    assert_equal 100, @context['cents.cents.amount']
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    @context.merge( "cents" => { "cents" => {"cents" => CentsDrop.new}} )
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    assert_equal 100, @context['cents.cents.cents.amount']
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  end
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  def test_drop_with_variable_called_only_once
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    @context['counter'] = CounterDrop.new
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    assert_equal 1, @context['counter.count']
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    assert_equal 2, @context['counter.count']
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    assert_equal 3, @context['counter.count']
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  end
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  def test_drop_with_key_called_only_once
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    @context['counter'] = CounterDrop.new
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    assert_equal 1, @context['counter["count"]']
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    assert_equal 2, @context['counter["count"]']
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    assert_equal 3, @context['counter["count"]']
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  end
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  def test_proc_as_variable
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    @context['dynamic'] = Proc.new { 'Hello' }
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    assert_equal 'Hello', @context['dynamic']
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  end
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  def test_lambda_as_variable
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    @context['dynamic'] = proc { 'Hello' }
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    assert_equal 'Hello', @context['dynamic']
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  end
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  def test_nested_lambda_as_variable
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    @context['dynamic'] = { "lambda" => proc { 'Hello' } }
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    assert_equal 'Hello', @context['dynamic.lambda']
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  end
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  def test_array_containing_lambda_as_variable
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    @context['dynamic'] = [1,2, proc { 'Hello' } ,4,5]
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    assert_equal 'Hello', @context['dynamic[2]']
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  end
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  def test_lambda_is_called_once
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    @context['callcount'] = proc { @global ||= 0; @global += 1; @global.to_s }
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    assert_equal '1', @context['callcount']
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    assert_equal '1', @context['callcount']
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    assert_equal '1', @context['callcount']
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    @global = nil
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  end
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  def test_nested_lambda_is_called_once
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    @context['callcount'] = { "lambda" => proc { @global ||= 0; @global += 1; @global.to_s } }
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    assert_equal '1', @context['callcount.lambda']
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    assert_equal '1', @context['callcount.lambda']
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    assert_equal '1', @context['callcount.lambda']
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    @global = nil
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  end
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  def test_lambda_in_array_is_called_once
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    @context['callcount'] = [1,2, proc { @global ||= 0; @global += 1; @global.to_s } ,4,5]
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    assert_equal '1', @context['callcount[2]']
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    assert_equal '1', @context['callcount[2]']
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    assert_equal '1', @context['callcount[2]']
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    @global = nil
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  end
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  def test_access_to_context_from_proc
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						|
    @context.registers[:magic] = 345392
 | 
						|
 | 
						|
    @context['magic'] = proc { @context.registers[:magic] }
 | 
						|
 | 
						|
    assert_equal 345392, @context['magic']
 | 
						|
  end
 | 
						|
 | 
						|
  def test_to_liquid_and_context_at_first_level
 | 
						|
    @context['category'] = Category.new("foobar")
 | 
						|
    assert_kind_of CategoryDrop, @context['category']
 | 
						|
    assert_equal @context, @context['category'].context
 | 
						|
  end
 | 
						|
 | 
						|
end
 |