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require 'spec_helper'
describe Banzai::Filter::SnippetReferenceFilter, lib: true do
include FilterSpecHelper
let(:project) { create(:empty_project, :public) }
let(:snippet) { create(:project_snippet, project: project) }
let(:reference) { snippet.to_reference }
it 'requires project context' do
expect { described_class.call('') }.to raise_error(ArgumentError, /:project/)
end
%w(pre code a style).each do |elem|
it "ignores valid references contained inside '#{elem}' element" do
exp = act = "<#{elem}>Snippet #{reference}</#{elem}>"
expect(reference_filter(act).to_html).to eq exp
end
end
context 'internal reference' do
it 'links to a valid reference' do
doc = reference_filter("See #{reference}")
expect(doc.css('a').first.attr('href')).to eq urls.
namespace_project_snippet_url(project.namespace, project, snippet)
end
it 'links with adjacent text' do
doc = reference_filter("Snippet (#{reference}.)")
expect(doc.to_html).to match(/\(<a.+>#{Regexp.escape(reference)}<\/a>\.\)/)
end
it 'ignores invalid snippet IDs' do
exp = act = "Snippet #{invalidate_reference(reference)}"
expect(reference_filter(act).to_html).to eq exp
end
it 'includes a title attribute' do
doc = reference_filter("Snippet #{reference}")
expect(doc.css('a').first.attr('title')).to eq "Snippet: #{snippet.title}"
end
it 'escapes the title attribute' do
snippet.update_attribute(:title, %{"></a>whatever<a title="})
doc = reference_filter("Snippet #{reference}")
expect(doc.text).to eq "Snippet #{reference}"
end
it 'includes default classes' do
doc = reference_filter("Snippet #{reference}")
expect(doc.css('a').first.attr('class')).to eq 'gfm gfm-snippet'
end
it 'includes a data-project attribute' do
doc = reference_filter("Snippet #{reference}")
link = doc.css('a').first
expect(link).to have_attribute('data-project')
expect(link.attr('data-project')).to eq project.id.to_s
end
it 'includes a data-snippet attribute' do
doc = reference_filter("See #{reference}")
link = doc.css('a').first
expect(link).to have_attribute('data-snippet')
expect(link.attr('data-snippet')).to eq snippet.id.to_s
end
it 'supports an :only_path context' do
doc = reference_filter("Snippet #{reference}", only_path: true)
link = doc.css('a').first.attr('href')
expect(link).not_to match %r(https?://)
expect(link).to eq urls.namespace_project_snippet_url(project.namespace, project, snippet, only_path: true)
end
end
context 'cross-project reference' do
let(:namespace) { create(:namespace, name: 'cross-reference') }
let(:project2) { create(:empty_project, :public, namespace: namespace) }
let(:snippet) { create(:project_snippet, project: project2) }
let(:reference) { snippet.to_reference(project) }
it 'links to a valid reference' do
doc = reference_filter("See #{reference}")
expect(doc.css('a').first.attr('href')).
to eq urls.namespace_project_snippet_url(project2.namespace, project2, snippet)
end
it 'links with adjacent text' do
doc = reference_filter("See (#{reference}.)")
expect(doc.to_html).to match(/\(<a.+>#{Regexp.escape(reference)}<\/a>\.\)/)
end
it 'ignores invalid snippet IDs on the referenced project' do
exp = act = "See #{invalidate_reference(reference)}"
expect(reference_filter(act).to_html).to eq exp
end
end
context 'cross-project URL reference' do
let(:namespace) { create(:namespace, name: 'cross-reference') }
let(:project2) { create(:empty_project, :public, namespace: namespace) }
let(:snippet) { create(:project_snippet, project: project2) }
let(:reference) { urls.namespace_project_snippet_url(project2.namespace, project2, snippet) }
it 'links to a valid reference' do
doc = reference_filter("See #{reference}")
expect(doc.css('a').first.attr('href')).
to eq urls.namespace_project_snippet_url(project2.namespace, project2, snippet)
end
it 'links with adjacent text' do
doc = reference_filter("See (#{reference}.)")
expect(doc.to_html).to match(/\(<a.+>#{Regexp.escape(snippet.to_reference(project))}<\/a>\.\)/)
end
it 'ignores invalid snippet IDs on the referenced project' do
act = "See #{invalidate_reference(reference)}"
expect(reference_filter(act).to_html).to match(/<a.+>#{Regexp.escape(invalidate_reference(reference))}<\/a>/)
end
end
end
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