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# frozen_string_literal: true
require 'spec_helper'
describe Banzai::Filter::ReferenceFilter do
let(:project) { build_stubbed(:project) }
describe '#each_node' do
it 'iterates over the nodes in a document' do
document = Nokogiri::HTML.fragment('<a href="foo">foo</a>')
filter = described_class.new(document, project: project)
expect { |b| filter.each_node(&b) }
.to yield_with_args(an_instance_of(Nokogiri::XML::Element))
end
it 'returns an Enumerator when no block is given' do
document = Nokogiri::HTML.fragment('<a href="foo">foo</a>')
filter = described_class.new(document, project: project)
expect(filter.each_node).to be_an_instance_of(Enumerator)
end
it 'skips links with a "gfm" class' do
document = Nokogiri::HTML.fragment('<a href="foo" class="gfm">foo</a>')
filter = described_class.new(document, project: project)
expect { |b| filter.each_node(&b) }.not_to yield_control
end
it 'skips text nodes in pre elements' do
document = Nokogiri::HTML.fragment('<pre>foo</pre>')
filter = described_class.new(document, project: project)
expect { |b| filter.each_node(&b) }.not_to yield_control
end
end
describe '#nodes' do
it 'returns an Array of the HTML nodes' do
document = Nokogiri::HTML.fragment('<a href="foo">foo</a>')
filter = described_class.new(document, project: project)
expect(filter.nodes).to eq([document.children[0]])
end
end
end
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