1 files changed, 60 insertions, 0 deletions
diff --git a/spec/lib/gitlab/dependency_linker/gemfile_linker_spec.rb b/spec/lib/gitlab/dependency_linker/gemfile_linker_spec.rb
new file mode 100644
index 00000000000..2e52097a946
--- /dev/null
+++ b/spec/lib/gitlab/dependency_linker/gemfile_linker_spec.rb
@@ -0,0 +1,60 @@
+require 'rails_helper'
+
+describe Gitlab::DependencyLinker::GemfileLinker, lib: true do
+  describe '.support?' do
+    it 'supports Gemfile' do
+      expect(described_class.support?('Gemfile')).to be_truthy
+    end
+
+    it 'supports gems.rb' do
+      expect(described_class.support?('gems.rb')).to be_truthy
+    end
+
+    it 'does not support other files' do
+      expect(described_class.support?('Gemfile.lock')).to be_falsey
+    end
+  end
+
+  describe '#link' do
+    let(:file_name) { 'Gemfile' }
+
+    let(:file_content) do
+      <<-CONTENT.strip_heredoc
+        source 'https://rubygems.org'
+
+        gem "rails", '4.2.6', github: "rails/rails"
+        gem 'rails-deprecated_sanitizer', '~> 1.0.3'
+        gem 'responders', '~> 2.0', :github => 'rails/responders'
+        gem 'sprockets', '~> 3.6.0', git: 'https://gitlab.example.com/gems/sprockets'
+        gem 'default_value_for', '~> 3.0.0'
+      CONTENT
+    end
+
+    subject { Gitlab::Highlight.highlight(file_name, file_content) }
+
+    def link(name, url)
+      %{<a href="#{url}" rel="noopener noreferrer" target="_blank">#{name}</a>}
+    end
+
+    it 'links sources' do
+      expect(subject).to include(link('https://rubygems.org', 'https://rubygems.org'))
+    end
+
+    it 'links dependencies' do
+      expect(subject).to include(link('rails', 'https://rubygems.org/gems/rails'))
+      expect(subject).to include(link('rails-deprecated_sanitizer', 'https://rubygems.org/gems/rails-deprecated_sanitizer'))
+      expect(subject).to include(link('responders', 'https://rubygems.org/gems/responders'))
+      expect(subject).to include(link('sprockets', 'https://rubygems.org/gems/sprockets'))
+      expect(subject).to include(link('default_value_for', 'https://rubygems.org/gems/default_value_for'))
+    end
+
+    it 'links GitHub repos' do
+      expect(subject).to include(link('rails/rails', 'https://github.com/rails/rails'))
+      expect(subject).to include(link('rails/responders', 'https://github.com/rails/responders'))
+    end
+
+    it 'links Git repos' do
+      expect(subject).to include(link('https://gitlab.example.com/gems/sprockets', 'https://gitlab.example.com/gems/sprockets'))
+    end
+  end
+end