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require 'spec_helper'
describe Banzai::Filter::MergeRequestReferenceFilter do
include FilterSpecHelper
let(:project) { create(:empty_project, :public) }
let(:merge) { create(:merge_request, source_project: project) }
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}>Merge #{merge.to_reference}</#{elem}>"
expect(reference_filter(act).to_html).to eq exp
end
end
describe 'performance' do
let(:another_merge) { create(:merge_request, source_project: project, source_branch: 'fix') }
it 'does not have a N+1 query problem' do
single_reference = "Merge request #{merge.to_reference}"
multiple_references = "Merge requests #{merge.to_reference} and #{another_merge.to_reference}"
control_count = ActiveRecord::QueryRecorder.new { reference_filter(single_reference).to_html }.count
expect { reference_filter(multiple_references).to_html }.not_to exceed_query_limit(control_count)
end
end
context 'internal reference' do
let(:reference) { merge.to_reference }
it 'links to a valid reference' do
doc = reference_filter("See #{reference}")
expect(doc.css('a').first.attr('href')).to eq urls
.project_merge_request_url(project, merge)
end
it 'links with adjacent text' do
doc = reference_filter("Merge (#{reference}.)")
expect(doc.to_html).to match(/\(<a.+>#{Regexp.escape(reference)}<\/a>\.\)/)
end
it 'ignores invalid merge IDs' do
exp = act = "Merge #{invalidate_reference(reference)}"
expect(reference_filter(act).to_html).to eq exp
end
it 'ignores out-of-bounds merge request IDs on the referenced project' do
exp = act = "Merge !#{Gitlab::Database::MAX_INT_VALUE + 1}"
expect(reference_filter(act).to_html).to eq exp
end
it 'includes a title attribute' do
doc = reference_filter("Merge #{reference}")
expect(doc.css('a').first.attr('title')).to eq merge.title
end
it 'escapes the title attribute' do
merge.update_attribute(:title, %{"></a>whatever<a title="})
doc = reference_filter("Merge #{reference}")
expect(doc.text).to eq "Merge #{reference}"
end
it 'includes default classes' do
doc = reference_filter("Merge #{reference}")
expect(doc.css('a').first.attr('class')).to eq 'gfm gfm-merge_request has-tooltip'
end
it 'includes a data-project attribute' do
doc = reference_filter("Merge #{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-merge-request attribute' do
doc = reference_filter("See #{reference}")
link = doc.css('a').first
expect(link).to have_attribute('data-merge-request')
expect(link.attr('data-merge-request')).to eq merge.id.to_s
end
it 'supports an :only_path context' do
doc = reference_filter("Merge #{reference}", only_path: true)
link = doc.css('a').first.attr('href')
expect(link).not_to match %r(https?://)
expect(link).to eq urls.project_merge_request_url(project, merge, only_path: true)
end
end
context 'cross-project / cross-namespace complete reference' do
let(:project2) { create(:empty_project, :public) }
let(:merge) { create(:merge_request, source_project: project2) }
let(:reference) { "#{project2.path_with_namespace}!#{merge.iid}" }
it 'links to a valid reference' do
doc = reference_filter("See #{reference}")
expect(doc.css('a').first.attr('href'))
.to eq urls.project_merge_request_url(project2, merge)
end
it 'link has valid text' do
doc = reference_filter("Merge (#{reference}.)")
expect(doc.css('a').first.text).to eq(reference)
end
it 'has valid text' do
doc = reference_filter("Merge (#{reference}.)")
expect(doc.text).to eq("Merge (#{reference}.)")
end
it 'ignores invalid merge IDs on the referenced project' do
exp = act = "Merge #{invalidate_reference(reference)}"
expect(reference_filter(act).to_html).to eq exp
end
end
context 'cross-project / same-namespace complete reference' do
let(:namespace) { create(:namespace) }
let(:project) { create(:empty_project, :public, namespace: namespace) }
let(:project2) { create(:empty_project, :public, namespace: namespace) }
let!(:merge) { create(:merge_request, source_project: project2) }
let(:reference) { "#{project2.path_with_namespace}!#{merge.iid}" }
it 'links to a valid reference' do
doc = reference_filter("See #{reference}")
expect(doc.css('a').first.attr('href'))
.to eq urls.project_merge_request_url(project2, merge)
end
it 'link has valid text' do
doc = reference_filter("Merge (#{reference}.)")
expect(doc.css('a').first.text).to eq("#{project2.path}!#{merge.iid}")
end
it 'has valid text' do
doc = reference_filter("Merge (#{reference}.)")
expect(doc.text).to eq("Merge (#{project2.path}!#{merge.iid}.)")
end
it 'ignores invalid merge IDs on the referenced project' do
exp = act = "Merge #{invalidate_reference(reference)}"
expect(reference_filter(act).to_html).to eq exp
end
end
context 'cross-project shorthand reference' do
let(:namespace) { create(:namespace) }
let(:project) { create(:empty_project, :public, namespace: namespace) }
let(:project2) { create(:empty_project, :public, namespace: namespace) }
let!(:merge) { create(:merge_request, source_project: project2) }
let(:reference) { "#{project2.path}!#{merge.iid}" }
it 'links to a valid reference' do
doc = reference_filter("See #{reference}")
expect(doc.css('a').first.attr('href'))
.to eq urls.project_merge_request_url(project2, merge)
end
it 'link has valid text' do
doc = reference_filter("Merge (#{reference}.)")
expect(doc.css('a').first.text).to eq("#{project2.path}!#{merge.iid}")
end
it 'has valid text' do
doc = reference_filter("Merge (#{reference}.)")
expect(doc.text).to eq("Merge (#{project2.path}!#{merge.iid}.)")
end
it 'ignores invalid merge IDs on the referenced project' do
exp = act = "Merge #{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(:merge) { create(:merge_request, source_project: project2, target_project: project2) }
let(:reference) { urls.project_merge_request_url(project2, merge) + '/diffs#note_123' }
it 'links to a valid reference' do
doc = reference_filter("See #{reference}")
expect(doc.css('a').first.attr('href'))
.to eq reference
end
it 'links with adjacent text' do
doc = reference_filter("Merge (#{reference}.)")
expect(doc.to_html).to match(/\(<a.+>#{Regexp.escape(merge.to_reference(project))} \(diffs, comment 123\)<\/a>\.\)/)
end
end
end
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