more sprite tests to test_unit

test/sprites/image_test.rb

@@ -0,0 +1,96 @@
+require 'test_helper'
+require 'mocha'
+require 'ostruct'
+class SpritesImageTest < Test::Unit::TestCase
+
+
+  def setup
+    @images_src_path = File.join(File.dirname(__FILE__), '..', 'fixtures', 'sprites', 'public', 'images')
+    file = StringIO.new("images_path = #{@images_src_path.inspect}\n")
+    Compass.add_configuration(file, "sprite_config")
+    @repeat = 'no-repeat'
+    @spacing = 0
+    @position = 100
+    @offset = 100
+  end
+
+  let(:sprite_filename) { 'squares/ten-by-ten.png' }
+  let(:sprite_path) { File.join(@images_src_path, sprite_filename) }
+  let(:sprite_name) { File.basename(sprite_filename, '.png') }
+  def parent
+    map = Compass::SpriteMap.new("selectors/*.png", options)
+    @parent ||= Compass::SassExtensions::Sprites::Base.new(map.sprite_names.map{|n| "selectors/#{n}.png"}, map, map.sass_engine, map.options)
+  end
+  
+  let(:options) do
+    options = {:offset => @offset}
+    options.stubs(:get_var).with(anything).returns(nil)
+    ::OpenStruct.any_instance.stubs(:unitless?).returns(true)
+    options.stubs(:get_var).with("#{sprite_name}-repeat").returns(::OpenStruct.new(:value => @repeat))
+    options.stubs(:get_var).with("#{sprite_name}-spacing").returns(::OpenStruct.new(:value => @spacing))
+    options.stubs(:get_var).with("#{sprite_name}-position").returns(::OpenStruct.new(:value => @position))
+    options
+  end
+  
+
+  
+  let(:digest) { Digest::MD5.file(sprite_path).hexdigest }
+
+
+  let(:image) { Compass::SassExtensions::Sprites::Image.new(parent, File.join(sprite_filename), options)}
+
+  test 'initialize' do
+    assert_equal sprite_name, image.name
+    assert_equal sprite_path, image.file
+    assert_equal sprite_filename, image.relative_file
+    assert_equal 10, image.width
+    assert_equal 10, image.height
+    assert_equal digest, image.digest
+    assert_equal 0, image.top
+    assert_equal 0, image.left
+  end
+
+  test 'hover' do
+    assert_equal 'ten-by-ten_hover', image.hover.name
+  end
+
+  test 'no parent' do
+    assert_nil image.parent
+  end
+
+  test 'image type is nil' do
+    @repeat = nil
+    assert_nil image.repeat
+  end
+
+  
+  test 'image type is "global"' do
+    @repeat = 'global'
+    assert_equal @repeat, image.repeat
+  end
+  
+  test 'image type is "no-repeat"' do
+    assert_equal 'no-repeat', image.repeat
+  end
+
+  test 'image position' do
+    assert_equal Sass::Script::Number.new(100, ["px"]).value, image.position.value
+  end
+
+  test 'image spacing' do
+    @spacing = 10
+    assert_equal @spacing, image.spacing
+  end
+  
+  test 'offset' do
+    assert_equal @offset, image.offset
+  end
+
+  test 'neither, uses 0' do
+    @offset = 0
+    img = image
+    img.position.stubs(:unitless?).returns(false)
+    assert_equal 0, img.offset
+  end
+
+end