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require 'spec_helper'
describe Banzai::Filter::MarkdownFilter do
include FilterSpecHelper
describe 'markdown engine from context' do
it 'defaults to CommonMark' do
expect_any_instance_of(Banzai::Filter::MarkdownEngines::CommonMark).to receive(:render).and_return('test')
filter('test')
end
it 'uses Redcarpet' do
expect_any_instance_of(Banzai::Filter::MarkdownEngines::Redcarpet).to receive(:render).and_return('test')
filter('test', { markdown_engine: :redcarpet })
end
it 'uses CommonMark' do
expect_any_instance_of(Banzai::Filter::MarkdownEngines::CommonMark).to receive(:render).and_return('test')
filter('test', { markdown_engine: :common_mark })
end
end
describe 'code block' do
context 'using CommonMark' do
before do
stub_const('Banzai::Filter::MarkdownFilter::DEFAULT_ENGINE', :common_mark)
end
it 'adds language to lang attribute when specified' do
result = filter("```html\nsome code\n```")
expect(result).to start_with("<pre><code lang=\"html\">")
end
it 'does not add language to lang attribute when not specified' do
result = filter("```\nsome code\n```")
expect(result).to start_with("<pre><code>")
end
it 'works with utf8 chars in language' do
result = filter("```日\nsome code\n```")
expect(result).to start_with("<pre><code lang=\"日\">")
end
end
context 'using Redcarpet' do
before do
stub_const('Banzai::Filter::MarkdownFilter::DEFAULT_ENGINE', :redcarpet)
end
it 'adds language to lang attribute when specified' do
result = filter("```html\nsome code\n```")
expect(result).to start_with("\n<pre><code lang=\"html\">")
end
it 'does not add language to lang attribute when not specified' do
result = filter("```\nsome code\n```")
expect(result).to start_with("\n<pre><code>")
end
end
end
end
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