compass/test/units/sprites/sprite_map_test.rb
2011-07-26 16:21:59 -04:00

126 lines
3.8 KiB
Ruby

require 'test_helper'
class SpriteMapTest < Test::Unit::TestCase
include SpriteHelper
def setup
Hash.send(:include, Compass::SassExtensions::Functions::Sprites::VariableReader)
@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
config.sprite_search_path = [@images_tmp_path]
Compass.add_configuration(config)
Compass.configure_sass_plugin!
@options = {'cleanup' => Sass::Script::Bool.new(true), 'layout' => Sass::Script::String.new('vertical')}
@base = sprite_map_test(@options)
end
def teardown
FileUtils.rm_r @images_tmp_path
@base = nil
end
it "should have the correct size" do
assert_equal [10,40], @base.size
end
it "should have the sprite names" do
assert_equal Compass::SpriteImporter.sprite_names(URI), @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it 'should be outdated' do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outdated?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}-s#{@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outdated?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
it "should remove old sprite when generating new" do
@base.generate
file = @base.filename
assert File.exists?(file), "Original file does not exist"
file_to_remove = File.join(@images_tmp_path, 'selectors', 'ten-by-ten.png')
FileUtils.rm file_to_remove
assert !File.exists?(file_to_remove), "Failed to remove sprite file"
@base = sprite_map_test(@options)
@base.generate
assert !File.exists?(file), "Sprite file did not get removed"
end
it "should have a vertical layout" do
assert_equal [0, 10, 20, 30], @base.images.map(&:top)
assert_equal [0, 0, 0, 0], @base.images.map(&:left)
end
# Horizontal tests
def horizontal
opts = @options.merge("layout" => Sass::Script::String.new('horizontal'))
sprite_map_test(opts)
end
it "should have a horizontal layout" do
base = horizontal
assert_equal 10, base.height
assert_equal 40, base.width
end
it "should layout images horizontaly" do
base = horizontal
assert_equal [0, 10, 20, 30], base.images.map(&:left)
assert_equal [0, 0, 0, 0], base.images.map(&:top)
end
it "should generate a horrizontal sprite" do
base = horizontal
base.generate
assert File.exists?(base.filename)
FileUtils.rm base.filename
end
it "should generate vertical sprites in decending order" do
sizes = @base.images.map{|image| File.size(image.file) }
assert_equal sizes.min, File.size(@base.images.first.file)
assert_equal sizes.max, File.size(@base.images.last.file)
end
end