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require 'spec_helper'
require 'html/pipeline'
describe Banzai::Filter::LabelReferenceFilter, lib: true do
include FilterSpecHelper
let(:project) { create(:empty_project, :public) }
let(:label) { create(:label, project: project) }
let(:reference) { label.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}>Label #{reference}</#{elem}>"
expect(reference_filter(act).to_html).to eq exp
end
end
it 'includes default classes' do
doc = reference_filter("Label #{reference}")
expect(doc.css('a').first.attr('class')).to eq 'gfm gfm-label'
end
it 'includes a data-project attribute' do
doc = reference_filter("Label #{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-label attribute' do
doc = reference_filter("See #{reference}")
link = doc.css('a').first
expect(link).to have_attribute('data-label')
expect(link.attr('data-label')).to eq label.id.to_s
end
it 'supports an :only_path context' do
doc = reference_filter("Label #{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_issues_path(project.namespace, project, label_name: label.name)
end
it 'adds to the results hash' do
result = reference_pipeline_result("Label #{reference}")
expect(result[:references][:label]).to eq [label]
end
describe 'label span element' do
it 'includes default classes' do
doc = reference_filter("Label #{reference}")
expect(doc.css('a span').first.attr('class')).to eq 'label color-label'
end
it 'includes a style attribute' do
doc = reference_filter("Label #{reference}")
expect(doc.css('a span').first.attr('style')).to match(/\Abackground-color: #\h{6}; color: #\h{6}\z/)
end
end
context 'Integer-based references' 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_issues_url(project.namespace, project, label_name: label.name)
end
it 'links with adjacent text' do
doc = reference_filter("Label (#{reference}.)")
expect(doc.to_html).to match(%r(\(<a.+><span.+>#{label.name}</span></a>\.\)))
end
it 'ignores invalid label IDs' do
exp = act = "Label #{invalidate_reference(reference)}"
expect(reference_filter(act).to_html).to eq exp
end
end
context 'String-based single-word references' do
let(:label) { create(:label, name: 'gfm', project: project) }
let(:reference) { "#{Label.reference_prefix}#{label.name}" }
it 'links to a valid reference' do
doc = reference_filter("See #{reference}")
expect(doc.css('a').first.attr('href')).to eq urls.
namespace_project_issues_url(project.namespace, project, label_name: label.name)
expect(doc.text).to eq 'See gfm'
end
it 'links with adjacent text' do
doc = reference_filter("Label (#{reference}.)")
expect(doc.to_html).to match(%r(\(<a.+><span.+>#{label.name}</span></a>\.\)))
end
it 'ignores invalid label names' do
exp = act = "Label #{Label.reference_prefix}#{label.name.reverse}"
expect(reference_filter(act).to_html).to eq exp
end
end
context 'String-based multi-word references in quotes' do
let(:label) { create(:label, name: 'gfm references', project: project) }
let(:reference) { label.to_reference(format: :name) }
it 'links to a valid reference' do
doc = reference_filter("See #{reference}")
expect(doc.css('a').first.attr('href')).to eq urls.
namespace_project_issues_url(project.namespace, project, label_name: label.name)
expect(doc.text).to eq 'See gfm references'
end
it 'links with adjacent text' do
doc = reference_filter("Label (#{reference}.)")
expect(doc.to_html).to match(%r(\(<a.+><span.+>#{label.name}</span></a>\.\)))
end
it 'ignores invalid label names' do
exp = act = %(Label #{Label.reference_prefix}"#{label.name.reverse}")
expect(reference_filter(act).to_html).to eq exp
end
end
describe 'edge cases' do
it 'gracefully handles non-references matching the pattern' do
exp = act = '(format nil "~0f" 3.0) ; 3.0'
expect(reference_filter(act).to_html).to eq exp
end
end
describe 'referencing a label in a link href' do
let(:reference) { %Q{<a href="#{label.to_reference}">Label</a>} }
it 'links to a valid reference' do
doc = reference_filter("See #{reference}")
expect(doc.css('a').first.attr('href')).to eq urls.
namespace_project_issues_url(project.namespace, project, label_name: label.name)
end
it 'links with adjacent text' do
doc = reference_filter("Label (#{reference}.)")
expect(doc.to_html).to match(%r(\(<a.+>Label</a>\.\)))
end
it 'includes a data-project attribute' do
doc = reference_filter("Label #{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-label attribute' do
doc = reference_filter("See #{reference}")
link = doc.css('a').first
expect(link).to have_attribute('data-label')
expect(link.attr('data-label')).to eq label.id.to_s
end
it 'adds to the results hash' do
result = reference_pipeline_result("Label #{reference}")
expect(result[:references][:label]).to eq [label]
end
end
describe 'cross project label references' do
let(:another_project) { create(:empty_project, :public) }
let(:project_name) { another_project.name_with_namespace }
let(:label) { create(:label, project: another_project, color: '#00ff00') }
let(:reference) { label.to_reference(project) }
let!(:result) { reference_filter("See #{reference}") }
it 'points to referenced project issues page' do
expect(result.css('a').first.attr('href'))
.to eq urls.namespace_project_issues_url(another_project.namespace,
another_project,
label_name: label.name)
end
it 'has valid color' do
expect(result.css('a span').first.attr('style'))
.to match /background-color: #00ff00/
end
it 'contains cross project content' do
expect(result.css('a').first.text).to eq "#{label.name} in #{project_name}"
end
end
end
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