sprite base test

test/sprites/base_test.rb

@@ -0,0 +1,73 @@
+require 'test_helper'
+
+class SpritesBaseTest < Test::Unit::TestCase
+  
+  def setup
+    @images_src_path = File.join(File.dirname(__FILE__), '..', 'fixtures', 'sprites', 'public', 'images')
+    @images_tmp_path = File.join(File.dirname(__FILE__), '..', 'fixtures', 'sprites', 'public', 'images-tmp')
+    FileUtils.cp_r @images_src_path, @images_tmp_path
+    config = Compass::Configuration::Data.new('config')
+    config.images_path = @images_tmp_path
+    Compass.add_configuration(config)
+    Compass.configure_sass_plugin!
+    options = Compass.sass_engine_options.extend Compass::SassExtensions::Functions::Sprites::VariableReader
+    @map = Compass::SpriteMap.new("selectors/*.png", options)
+    @base = Compass::SassExtensions::Sprites::Base.new(@map.sprite_names.map{|n| "selectors/#{n}.png"}, @map.path, 'selectors', @map.sass_engine, @map.options)
+  end
+
+  def teardown
+    FileUtils.rm_r @images_tmp_path
+  end
+  
+  it "should have the correct size" do
+    assert_equal [10,40], @base.size
+  end
+  
+  it "should have the sprite names" do
+    assert_equal @map.sprite_names, @base.sprite_names
+  end
+  
+  it 'should have image filenames' do
+    assert_equal Dir["#{@images_tmp_path}/selectors/*.png"].sort, @base.image_filenames
+  end
+  
+  it 'should need generation' do
+    assert @base.generation_required?
+  end
+  
+  test 'uniqueness_hash' do
+    assert_equal 'ef52c5c63a', @base.uniqueness_hash
+  end
+  
+  it 'should be outdated' do
+    assert @base.outdated?
+  end
+
+  it 'should have correct filename' do
+    assert_equal File.join(@images_tmp_path, "#{@base.path}-#{@base.uniqueness_hash}.png"), @base.filename
+  end
+  
+  it "should return the 'ten-by-ten' image" do
+    assert_equal 'ten-by-ten', @base.image_for('ten-by-ten').name
+    assert @base.image_for('ten-by-ten').is_a?(Compass::SassExtensions::Sprites::Image)
+  end
+  
+  %w(target hover active).each do |selector|
+    it "should have a #{selector}" do
+      assert @base.send(:"has_#{selector}?", 'ten-by-ten')
+    end
+    
+    it "should return #{selector} image class" do
+      assert_equal "ten-by-ten_#{selector}", @base.image_for('ten-by-ten').send(:"#{selector}").name
+    end
+    
+  end
+
+  it "should generate sprite" do
+    @base.generate
+    assert File.exists?(@base.filename)
+    assert !@base.generation_required?
+    assert !@base.outdated?
+  end
+  
+end