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Contents
require 'spec_helper'
describe Dragonfly::ImageMagick::Processors::Convert do
def sample_content(name)
Dragonfly::Content.new(app, SAMPLES_DIR.join(name))
end
let(:app){ test_app }
let(:image){ sample_content('beach.png') } # 280x355
let(:processor){ Dragonfly::ImageMagick::Processors::Convert.new }
it "should allow for general convert commands" do
processor.call(image, '-scale 56x71')
image.should have_width(56)
image.should have_height(71)
end
it "should allow for general convert commands with added format" do
processor.call(image, '-scale 56x71', 'format' => 'gif')
image.should have_width(56)
image.should have_height(71)
image.should have_format('gif')
image.meta['format'].should == 'gif'
end
it "should work for commands with parenthesis" do
processor.call(image, "\\( +clone -sparse-color Barycentric '0,0 black 0,%[fx:h-1] white' -function polynomial 2,-2,0.5 \\) -compose Blur -set option:compose:args 15 -composite")
image.should have_width(280)
end
it "should work for files with spaces in the name" do
image = Dragonfly::Content.new(app, SAMPLES_DIR.join('white pixel.png'))
processor.call(image, "-resize 2x2!")
image.should have_width(2)
end
it "updates the url with format if given" do
url_attributes = Dragonfly::UrlAttributes.new
processor.update_url(url_attributes, '-scale 56x71', 'format' => 'gif')
url_attributes.ext.should == 'gif'
end
it "allows converting specific frames" do
gif = sample_content('gif.gif')
processor.call(gif, '-resize 50x50')
all_frames_size = gif.size
gif = sample_content('gif.gif')
processor.call(gif, '-resize 50x50', 'frame' => 0)
one_frame_size = gif.size
one_frame_size.should < all_frames_size
end
end
Version data entries
10 entries across 10 versions & 1 rubygems