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require 'spec_helper'
describe Banzai::Filter::ColorFilter, lib: true do
include FilterSpecHelper
let(:color) { '#F00' }
let(:color_chip_selector) { 'code > span.gfm-color_chip > span' }
['#123', '#1234', '#123456', '#12345678',
'rgb(0,0,0)', 'RGB(0, 0, 0)', 'rgba(0,0,0,1)', 'RGBA(0,0,0,0.7)',
'hsl(270,30%,50%)', 'HSLA(270, 30%, 50%, .7)'].each do |color|
it "inserts color chip for supported color format #{color}" do
content = code_tag(color)
doc = filter(content)
color_chip = doc.at_css(color_chip_selector)
expect(color_chip.content).to be_empty
expect(color_chip.parent[:class]).to eq 'gfm-color_chip'
expect(color_chip[:style]).to eq "background-color: #{color};"
end
end
it 'ignores valid color code without backticks(code tags)' do
doc = filter(color)
expect(doc.css('span.gfm-color_chip').size).to be_zero
end
it 'ignores valid color code with prepended space' do
content = code_tag(' ' + color)
doc = filter(content)
expect(doc.css(color_chip_selector).size).to be_zero
end
it 'ignores valid color code with appended space' do
content = code_tag(color + ' ')
doc = filter(content)
expect(doc.css(color_chip_selector).size).to be_zero
end
it 'ignores valid color code surrounded by spaces' do
content = code_tag(' ' + color + ' ')
doc = filter(content)
expect(doc.css(color_chip_selector).size).to be_zero
end
it 'ignores invalid color code' do
invalid_color = '#BAR'
content = code_tag(invalid_color)
doc = filter(content)
expect(doc.css(color_chip_selector).size).to be_zero
end
def code_tag(string)
"<code>#{string}</code>"
end
end
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