123 lines
3 KiB
Ruby
123 lines
3 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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RSpec.describe Banzai::Filter::VideoLinkFilter do
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def filter(doc, contexts = {})
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contexts.reverse_merge!({
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project: project
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})
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described_class.call(doc, contexts)
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end
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def link_to_image(path)
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return '<img/>' if path.nil?
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%(<img src="#{path}"/>)
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end
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let(:project) { create(:project, :repository) }
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shared_examples 'a video element' do
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let(:image) { link_to_image(src) }
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it 'replaces the image tag with a video tag' do
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container = filter(image).children.first
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expect(container.name).to eq 'div'
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expect(container['class']).to eq 'video-container'
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video, paragraph = container.children
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expect(video.name).to eq 'video'
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expect(video['src']).to eq src
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expect(video['width']).to eq "400"
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expect(video['preload']).to eq 'metadata'
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expect(paragraph.name).to eq 'p'
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link = paragraph.children.first
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expect(link.name).to eq 'a'
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expect(link['href']).to eq src
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expect(link['target']).to eq '_blank'
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end
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end
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shared_examples 'an unchanged element' do |ext|
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it 'leaves the document unchanged' do
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element = filter(link_to_image(src)).children.first
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expect(element.name).to eq 'img'
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expect(element['src']).to eq src
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end
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end
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context 'when the element src has a video extension' do
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Gitlab::FileTypeDetection::SAFE_VIDEO_EXT.each do |ext|
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it_behaves_like 'a video element' do
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let(:src) { "/path/video.#{ext}" }
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end
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it_behaves_like 'a video element' do
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let(:src) { "/path/video.#{ext.upcase}" }
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end
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end
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end
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context 'when the element has no src attribute' do
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let(:src) { nil }
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it_behaves_like 'an unchanged element'
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end
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context 'when the element src is an image' do
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let(:src) { '/path/my_image.jpg' }
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it_behaves_like 'an unchanged element'
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end
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context 'when the element src has an invalid file extension' do
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let(:src) { '/path/my_video.somemp4' }
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it_behaves_like 'an unchanged element'
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end
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context 'when data-canonical-src is empty' do
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let(:image) { %(<img src="#{src}" data-canonical-src=""/>) }
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context 'and src is a video' do
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let(:src) { '/path/video.mp4' }
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it_behaves_like 'a video element'
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end
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context 'and src is an image' do
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let(:src) { '/path/my_image.jpg' }
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it_behaves_like 'an unchanged element'
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end
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end
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context 'when data-canonical-src is set' do
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it 'uses the correct src' do
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proxy_src = 'https://assets.example.com/6d8b63'
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canonical_src = 'http://example.com/test.mp4'
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image = %(<img src="#{proxy_src}" data-canonical-src="#{canonical_src}"/>)
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container = filter(image).children.first
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expect(container['class']).to eq 'video-container'
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video, paragraph = container.children
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expect(video['src']).to eq proxy_src
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expect(video['data-canonical-src']).to eq canonical_src
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link = paragraph.children.first
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expect(link['href']).to eq proxy_src
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end
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end
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end
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