1 files changed, 77 insertions, 0 deletions
diff --git a/spec/lib/banzai/filter/external_issue_reference_filter_spec.rb b/spec/lib/banzai/filter/external_issue_reference_filter_spec.rb
new file mode 100644
index 00000000000..953466679e4
--- /dev/null
+++ b/spec/lib/banzai/filter/external_issue_reference_filter_spec.rb
@@ -0,0 +1,77 @@
+require 'spec_helper'
+
+describe Banzai::Filter::ExternalIssueReferenceFilter, lib: true do
+  include FilterSpecHelper
+
+  def helper
+    IssuesHelper
+  end
+
+  let(:project) { create(:jira_project) }
+
+  context 'JIRA issue references' do
+    let(:issue)     { ExternalIssue.new('JIRA-123', project) }
+    let(:reference) { issue.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}>Issue #{reference}</#{elem}>"
+        expect(filter(act).to_html).to eq exp
+      end
+    end
+
+    it 'ignores valid references when using default tracker' do
+      expect(project).to receive(:default_issues_tracker?).and_return(true)
+
+      exp = act = "Issue #{reference}"
+      expect(filter(act).to_html).to eq exp
+    end
+
+    it 'links to a valid reference' do
+      doc = filter("Issue #{reference}")
+      expect(doc.css('a').first.attr('href'))
+        .to eq helper.url_for_issue(reference, project)
+    end
+
+    it 'links to the external tracker' do
+      doc = filter("Issue #{reference}")
+      link = doc.css('a').first.attr('href')
+
+      expect(link).to eq "http://jira.example/browse/#{reference}"
+    end
+
+    it 'links with adjacent text' do
+      doc = filter("Issue (#{reference}.)")
+      expect(doc.to_html).to match(/\(<a.+>#{reference}<\/a>\.\)/)
+    end
+
+    it 'includes a title attribute' do
+      doc = filter("Issue #{reference}")
+      expect(doc.css('a').first.attr('title')).to eq "Issue in JIRA tracker"
+    end
+
+    it 'escapes the title attribute' do
+      allow(project.external_issue_tracker).to receive(:title).
+        and_return(%{"></a>whatever<a title="})
+
+      doc = filter("Issue #{reference}")
+      expect(doc.text).to eq "Issue #{reference}"
+    end
+
+    it 'includes default classes' do
+      doc = filter("Issue #{reference}")
+      expect(doc.css('a').first.attr('class')).to eq 'gfm gfm-issue'
+    end
+
+    it 'supports an :only_path context' do
+      doc = filter("Issue #{reference}", only_path: true)
+      link = doc.css('a').first.attr('href')
+
+      expect(link).to eq helper.url_for_issue("#{reference}", project, only_path: true)
+    end
+  end
+end