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require 'test_helper'
class ImageRowTest < Test::Unit::TestCase
include SpriteHelper
def setup
clean_up_sprites
create_sprite_temp
file = StringIO.new("images_path = #{@images_src_path.inspect}\n")
Compass.add_configuration(file, "sprite_config")
@filenames = %w(large.png large_square.png medium.png tall.png small.png)
@image_files = Dir["#{@images_src_path}/image_row/*.png"].sort
@images = @image_files.map do |img|
img.gsub!("#{@images_src_path}/", '')
Compass::SassExtensions::Sprites::Image.new(nil, img, {})
end
image_row(1000)
end
def teardown
clean_up_sprites
end
def image_row(max)
@image_row = Compass::SassExtensions::Sprites::ImageRow.new(max)
end
def populate_row
@images.each do |image|
assert @image_row.add(image)
end
end
it "should return false if image will not fit in row" do
image_row(100)
img = Compass::SassExtensions::Sprites::Image.new(nil, File.join('image_row', 'large.png'), {})
assert !@image_row.add(img)
end
it "should have 5 images" do
populate_row
assert_equal 5, @image_row.images.size
end
it "should return max image width" do
populate_row
assert_equal 400, @image_row.width
end
it "should return max image height" do
populate_row
assert_equal 40, @image_row.height
end
it "should have an efficiency rating" do
populate_row
assert_equal 1 - (580.0 / 1000.0), @image_row.efficiency
end
end
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