discourse/spec/components/image_sizer_spec.rb

73 lines
1.5 KiB
Ruby

require 'spec_helper'
require 'image_sizer'
describe ImageSizer do
before do
SiteSetting.stubs(:max_image_width).returns(500)
SiteSetting.stubs(:max_image_height).returns(500)
end
it 'returns the same dimensions when smaller than the maximums' do
ImageSizer.resize(400, 200).should == [400, 200]
end
it 'returns nil if the width is nil' do
ImageSizer.resize(nil, 100).should be_nil
end
it 'returns nil if the height is nil' do
ImageSizer.resize(100, nil).should be_nil
end
it 'works with string parameters' do
ImageSizer.resize('100', '101').should == [100, 101]
end
describe 'when larger than the maximum width' do
before do
@w, @h = ImageSizer.resize(600, 123)
end
it 'returns the maxmimum width if larger than the maximum' do
@w.should == 500
end
it 'resizes the height retaining the aspect ratio' do
@h.should == 102
end
end
describe 'when larger than the maximum height' do
before do
@w, @h = ImageSizer.resize(123, 600)
end
it 'returns the maxmimum height if larger than the maximum' do
@h.should == 500
end
it 'resizes the width retaining the aspect ratio' do
@w.should == 102
end
end
describe 'when larger than the maximums' do
before do
@w, @h = ImageSizer.resize(533, 800)
end
it 'resizes both dimensions retaining the aspect ratio' do
@h.should == 500
@w.should == 333
end
end
end