discourse/spec/lib/image_sizer_spec.rb

74 lines
1.5 KiB
Ruby

# frozen_string_literal: true
require 'image_sizer'
RSpec.describe ImageSizer do
before do
SiteSetting.max_image_width = 500
SiteSetting.max_image_height = 500
end
it 'returns the same dimensions when smaller than the maximums' do
expect(ImageSizer.resize(400, 200)).to eq([400, 200])
end
it 'returns nil if the width is nil' do
expect(ImageSizer.resize(nil, 100)).to eq(nil)
end
it 'returns nil if the height is nil' do
expect(ImageSizer.resize(100, nil)).to eq(nil)
end
it 'works with string parameters' do
expect(ImageSizer.resize('100', '101')).to eq([100, 101])
end
describe 'when larger than the maximum width' do
before do
@w, @h = ImageSizer.resize(600, 123)
end
it 'returns the maximum width if larger than the maximum' do
expect(@w).to eq(500)
end
it 'resizes the height retaining the aspect ratio' do
expect(@h).to eq(102)
end
end
describe 'when larger than the maximum height' do
before do
@w, @h = ImageSizer.resize(123, 600)
end
it 'returns the maximum height if larger than the maximum' do
expect(@h).to eq(500)
end
it 'resizes the width retaining the aspect ratio' do
expect(@w).to eq(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
expect(@h).to eq(500)
expect(@w).to eq(333)
end
end
end