compass/spec/sprites_spec.rb
2011-04-19 20:31:29 -04:00

572 lines
15 KiB
Ruby

require File.expand_path(File.dirname(__FILE__) + '/spec_helper')
require 'digest/md5'
describe Compass::Sprites do
before :each do
create_sprite_temp
file = StringIO.new("images_path = #{@images_tmp_path.inspect}\n")
Compass.add_configuration(file, "sprite_config")
Compass.configure_sass_plugin!
end
after :each do
clean_up_sprites
end
def map_location(file)
Dir.glob(File.join(@images_tmp_path, file)).first
end
def image_size(file)
IO.read(map_location(file))[0x10..0x18].unpack('NN')
end
def image_md5(file)
md5 = Digest::MD5.new
md5.update IO.read(map_location(file))
md5.hexdigest
end
def render(scss)
scss = %Q(@import "compass"; #{scss})
options = Compass.sass_engine_options
options[:line_comments] = false
options[:style] = :expanded
options[:syntax] = :scss
css = Sass::Engine.new(scss, options).render
# reformat to fit result of heredoc:
" #{css.gsub('@charset "UTF-8";', '').gsub(/\n/, "\n ").strip}\n"
end
#Callbacks
describe 'callbacks' do
it "should fire on_sprite_saved" do
saved = false
path = nil
Compass.configuration.on_sprite_saved {|filepath| path = filepath; saved = true }
render <<-SCSS
@import "squares/*.png";
@include all-squares-sprites;
SCSS
saved.should eq true
path.should be_kind_of String
end
it "should fire on_sprite_generated" do
saved = false
sprite_data = nil
Compass.configuration.on_sprite_generated {|data| sprite_data = data; saved = true }
render <<-SCSS
@import "squares/*.png";
@include all-squares-sprites;
SCSS
sprite_data.should be_kind_of ChunkyPNG::Image
saved.should eq true
end
end
# DEFAULT USAGE:
it "should generate sprite classes" do
css = render <<-SCSS
@import "squares/*.png";
@include all-squares-sprites;
SCSS
css.should == <<-CSS
.squares-sprite, .squares-ten-by-ten, .squares-twenty-by-twenty {
background: url('/squares-161c60ad78.png') no-repeat;
}
.squares-ten-by-ten {
background-position: 0 0;
}
.squares-twenty-by-twenty {
background-position: 0 -10px;
}
CSS
image_size('squares-*.png').should == [20, 30]
image_md5('squares-*.png').should == 'fcc93d7b279c2ad6898fbca49cbd01e1'
end
it "should generate sprite classes with dimensions" do
css = render <<-SCSS
$squares-sprite-dimensions: true;
@import "squares/*.png";
@include all-squares-sprites;
SCSS
css.should == <<-CSS
.squares-sprite, .squares-ten-by-ten, .squares-twenty-by-twenty {
background: url('/squares-161c60ad78.png') no-repeat;
}
.squares-ten-by-ten {
background-position: 0 0;
height: 10px;
width: 10px;
}
.squares-twenty-by-twenty {
background-position: 0 -10px;
height: 20px;
width: 20px;
}
CSS
image_size('squares-*.png').should == [20, 30]
end
it "should provide sprite mixin" do
css = render <<-SCSS
@import "squares/*.png";
.cubicle {
@include squares-sprite("ten-by-ten");
}
.large-cube {
@include squares-sprite("twenty-by-twenty", true);
}
SCSS
css.should == <<-CSS
.squares-sprite, .cubicle, .large-cube {
background: url('/squares-161c60ad78.png') no-repeat;
}
.cubicle {
background-position: 0 0;
}
.large-cube {
background-position: 0 -10px;
height: 20px;
width: 20px;
}
CSS
image_size('squares-*.png').should == [20, 30]
end
# CUSTOMIZATIONS:
it "should be possible to change the base class" do
css = render <<-SCSS
$squares-sprite-base-class: ".circles";
@import "squares/*.png";
SCSS
css.should == <<-CSS
.circles {
background: url('/squares-161c60ad78.png') no-repeat;
}
CSS
image_size('squares-*.png').should == [20, 30]
end
it "should calculate the spacing between images but not before first image" do
css = render <<-SCSS
$squares-ten-by-ten-spacing: 33px;
@import "squares/*.png";
@include all-squares-sprites;
SCSS
css.should == <<-CSS
.squares-sprite, .squares-ten-by-ten, .squares-twenty-by-twenty {
background: url('/squares-89450808af.png') no-repeat;
}
.squares-ten-by-ten {
background-position: 0 0;
}
.squares-twenty-by-twenty {
background-position: 0 -43px;
}
CSS
image_size('squares-*.png').should == [20, 63]
end
it "should calculate the spacing between images" do
css = render <<-SCSS
$squares-twenty-by-twenty-spacing: 33px;
@import "squares/*.png";
@include all-squares-sprites;
SCSS
css.should == <<-CSS
.squares-sprite, .squares-ten-by-ten, .squares-twenty-by-twenty {
background: url('/squares-673837183a.png') no-repeat;
}
.squares-ten-by-ten {
background-position: 0 0;
}
.squares-twenty-by-twenty {
background-position: 0 -43px;
}
CSS
image_size('squares-*.png').should == [20, 63]
end
it "should calculate the maximum spacing between images" do
css = render <<-SCSS
$squares-ten-by-ten-spacing: 44px;
$squares-twenty-by-twenty-spacing: 33px;
@import "squares/*.png";
@include all-squares-sprites;
SCSS
css.should == <<-CSS
.squares-sprite, .squares-ten-by-ten, .squares-twenty-by-twenty {
background: url('/squares-1cd84c9068.png') no-repeat;
}
.squares-ten-by-ten {
background-position: 0 0;
}
.squares-twenty-by-twenty {
background-position: 0 -54px;
}
CSS
image_size('squares-*.png').should == [20, 74]
end
it "should calculate the maximum spacing between images in reversed order" do
css = render <<-SCSS
$squares-ten-by-ten-spacing: 33px;
$squares-twenty-by-twenty-spacing: 44px;
@import "squares/*.png";
@include all-squares-sprites;
SCSS
css.should == <<-CSS
.squares-sprite, .squares-ten-by-ten, .squares-twenty-by-twenty {
background: url('/squares-f25b7090ca.png') no-repeat;
}
.squares-ten-by-ten {
background-position: 0 0;
}
.squares-twenty-by-twenty {
background-position: 0 -54px;
}
CSS
image_size('squares-*.png').should == [20, 74]
end
it "should calculate the default spacing between images" do
css = render <<-SCSS
$squares-spacing: 22px;
@import "squares/*.png";
@include all-squares-sprites;
SCSS
css.should == <<-CSS
.squares-sprite, .squares-ten-by-ten, .squares-twenty-by-twenty {
background: url('/squares-d66bf24bab.png') no-repeat;
}
.squares-ten-by-ten {
background-position: 0 0;
}
.squares-twenty-by-twenty {
background-position: 0 -32px;
}
CSS
image_size('squares-*.png').should == [20, 52]
end
it "should use position adjustments in functions" do
css = render <<-SCSS
$squares: sprite-map("squares/*.png", $position: 100%);
.squares-sprite {
background: $squares no-repeat;
}
.adjusted-percentage {
background-position: sprite-position($squares, ten-by-ten, 100%);
}
.adjusted-px-1 {
background-position: sprite-position($squares, ten-by-ten, 4px);
}
.adjusted-px-2 {
background-position: sprite-position($squares, twenty-by-twenty, -3px, 2px);
}
SCSS
css.should == <<-CSS
.squares-sprite {
background: url('/squares-8e490168dd.png') no-repeat;
}
.adjusted-percentage {
background-position: 100% 0;
}
.adjusted-px-1 {
background-position: -6px 0;
}
.adjusted-px-2 {
background-position: -3px -8px;
}
CSS
image_size('squares-*.png').should == [20, 30]
image_md5('squares-*.png').should == '652b67f5e9092520d6f26caae7e18012'
end
it "should use position adjustments in mixins" do
css = render <<-SCSS
$squares-position: 100%;
@import "squares/*.png";
.adjusted-percentage {
@include squares-sprite("ten-by-ten", $offset-x: 100%);
}
.adjusted-px-1 {
@include squares-sprite("ten-by-ten", $offset-x: 4px);
}
.adjusted-px-2 {
@include squares-sprite("twenty-by-twenty", $offset-x: -3px, $offset-y: 2px);
}
SCSS
css.should == <<-CSS
.squares-sprite, .adjusted-percentage, .adjusted-px-1, .adjusted-px-2 {
background: url('/squares-8e490168dd.png') no-repeat;
}
.adjusted-percentage {
background-position: 100% 0;
}
.adjusted-px-1 {
background-position: -6px 0;
}
.adjusted-px-2 {
background-position: -3px -8px;
}
CSS
image_size('squares-*.png').should == [20, 30]
image_md5('squares-*.png').should == '652b67f5e9092520d6f26caae7e18012'
end
it "should repeat the image" do
css = render <<-SCSS
$squares-repeat: repeat;
@import "squares/*.png";
@include all-squares-sprites;
SCSS
css.should == <<-CSS
.squares-sprite, .squares-ten-by-ten, .squares-twenty-by-twenty {
background: url('/squares-a5550fd132.png') no-repeat;
}
.squares-ten-by-ten {
background-position: 0 0;
}
.squares-twenty-by-twenty {
background-position: 0 -10px;
}
CSS
image_size('squares-*.png').should == [20, 30]
image_md5('squares-*.png').should == '94abae8440f1b58617f52920b70aaed2'
end
it "should allow the position of a sprite to be specified in absolute pixels" do
css = render <<-SCSS
$squares-ten-by-ten-position: 10px;
$squares-twenty-by-twenty-position: 10px;
@import "squares/*.png";
@include all-squares-sprites;
SCSS
css.should == <<-CSS
.squares-sprite, .squares-ten-by-ten, .squares-twenty-by-twenty {
background: url('/squares-89a274044e.png') no-repeat;
}
.squares-ten-by-ten {
background-position: -10px 0;
}
.squares-twenty-by-twenty {
background-position: -10px -10px;
}
CSS
image_size('squares-*.png').should == [30, 30]
image_md5('squares-*.png').should == '2fb19ef9c83018c93c6f147af3a56cb2'
end
it "should provide a nice errors for lemonade's old users" do
proc do
render <<-SCSS
.squares {
background: sprite-url("squares/*.png") no-repeat;
}
SCSS
end.should raise_error Sass::SyntaxError,
%q(The first argument to sprite-url() must be a sprite map. See http://beta.compass-style.org/help/tutorials/spriting/ for more information.)
proc do
render <<-SCSS
.squares {
background: sprite-image("squares/twenty-by-twenty.png") no-repeat;
}
SCSS
end.should raise_error Sass::SyntaxError,
%q(The sprite-image() function has been replaced by sprite(). See http://beta.compass-style.org/help/tutorials/spriting/ for more information.)
proc do
render <<-SCSS
@import "squares/*.png";
.squares {
background: sprite-position("squares/twenty-by-twenty.png") no-repeat;
}
SCSS
end.should raise_error Sass::SyntaxError,
%q(The first argument to sprite-position() must be a sprite map. See http://beta.compass-style.org/help/tutorials/spriting/ for more information.)
end
it "should work even if @import is missing" do
actual_css = render <<-SCSS
.squares {
background: sprite(sprite-map("squares/*.png"), twenty-by-twenty) no-repeat;
}
SCSS
actual_css.should == <<-CSS
.squares {
background: url('/squares-145869726f.png') 0 -10px no-repeat;
}
CSS
end
it "should calculate corret sprite demsions when givin spacing via issue#253" do
css = render <<-SCSS
$squares-spacing: 10px;
@import "squares/*.png";
.foo {
@include sprite-background-position($squares-sprites, "twenty-by-twenty");
}
.bar {
@include sprite-background-position($squares-sprites, "ten-by-ten");
}
SCSS
image_size('squares-*.png').should == [20, 40]
css.should == <<-CSS
.squares-sprite {
background: url('/squares-e3c68372d9.png') no-repeat;
}
.foo {
background-position: 0 -20px;
}
.bar {
background-position: 0 0;
}
CSS
end
it "should render corret sprite with css selectors via issue#248" do
css = render <<-SCSS
@import "selectors/*.png";
@include all-selectors-sprites;
SCSS
css.should == <<-CSS
.selectors-sprite, .selectors-ten-by-ten {
background: url('/selectors-edfef809e2.png') no-repeat;
}
.selectors-ten-by-ten {
background-position: 0 0;
}
.selectors-ten-by-ten:hover, .selectors-ten-by-ten.ten-by-ten_hover, .selectors-ten-by-ten.ten-by-ten-hover {
background-position: 0 -20px;
}
.selectors-ten-by-ten:target, .selectors-ten-by-ten.ten-by-ten_target, .selectors-ten-by-ten.ten-by-ten-target {
background-position: 0 -30px;
}
.selectors-ten-by-ten:active, .selectors-ten-by-ten.ten-by-ten_active, .selectors-ten-by-ten.ten-by-ten-active {
background-position: 0 -10px;
}
CSS
end
it "should render corret sprite with css selectors via magic mixin" do
css = render <<-SCSS
@import "selectors/*.png";
a {
@include selectors-sprite(ten-by-ten)
}
SCSS
css.should == <<-CSS
.selectors-sprite, a {
background: url('/selectors-edfef809e2.png') no-repeat;
}
a {
background-position: 0 0;
}
a:hover, a.ten-by-ten_hover, a.ten-by-ten-hover {
background-position: 0 -20px;
}
a:target, a.ten-by-ten_target, a.ten-by-ten-target {
background-position: 0 -30px;
}
a:active, a.ten-by-ten_active, a.ten-by-ten-active {
background-position: 0 -10px;
}
CSS
end
it "should not render corret sprite with css selectors via magic mixin" do
css = render <<-SCSS
@import "selectors/*.png";
a {
$disable-magic-sprite-selectors:true;
@include selectors-sprite(ten-by-ten)
}
SCSS
css.should == <<-CSS
.selectors-sprite, a {
background: url('/selectors-edfef809e2.png') no-repeat;
}
a {
background-position: 0 0;
}
CSS
end
it "should raise error on filenames that are not valid sass syntax" do
lambda do
render <<-SCSS
@import "prefix/*.png";
a {
@include squares-sprite(20-by-20);
}
SCSS
end.should raise_error Compass::Error
end
it "should generate sprite with bad repeat-x dimensions" do
css = render <<-SCSS
$ko-starbg26x27-repeat: repeat-x;
@import "ko/*.png";
@include all-ko-sprites;
SCSS
css.should == <<-CSS
.ko-sprite, .ko-default_background, .ko-starbg26x27 {
background: url('/ko-cc3f80660d.png') no-repeat;
}
.ko-default_background {
background-position: 0 0;
}
.ko-starbg26x27 {
background-position: 0 -128px;
}
CSS
end
end