Merge branch 'dm-more-dependency-linkers' into 'master'

Autolink package names in more dependency files

See merge request !11226

12 files changed, 769 insertions, 3 deletions

diff --git a/spec/lib/gitlab/dependency_linker/cartfile_linker_spec.rb b/spec/lib/gitlab/dependency_linker/cartfile_linker_spec.rb
new file mode 100644
index 00000000000..df77f4037af
--- /dev/null
+++ b/spec/lib/gitlab/dependency_linker/cartfile_linker_spec.rb
@@ -0,0 +1,74 @@
+require 'rails_helper'
+
+describe Gitlab::DependencyLinker::CartfileLinker, lib: true do
+  describe '.support?' do
+    it 'supports Cartfile' do
+      expect(described_class.support?('Cartfile')).to be_truthy
+    end
+
+    it 'supports Cartfile.private' do
+      expect(described_class.support?('Cartfile.private')).to be_truthy
+    end
+
+    it 'does not support other files' do
+      expect(described_class.support?('test.Cartfile')).to be_falsey
+    end
+  end
+
+  describe '#link' do
+    let(:file_name) { "Cartfile" }
+
+    let(:file_content) do
+      <<-CONTENT.strip_heredoc
+        # Require version 2.3.1 or later
+        github "ReactiveCocoa/ReactiveCocoa" >= 2.3.1
+
+        # Require version 1.x
+        github "Mantle/Mantle" ~> 1.0    # (1.0 or later, but less than 2.0)
+
+        # Require exactly version 0.4.1
+        github "jspahrsummers/libextobjc" == 0.4.1
+
+        # Use the latest version
+        github "jspahrsummers/xcconfigs"
+
+        # Use the branch
+        github "jspahrsummers/xcconfigs" "branch"
+
+        # Use a project from GitHub Enterprise
+        github "https://enterprise.local/ghe/desktop/git-error-translations"
+
+        # Use a project from any arbitrary server, on the "development" branch
+        git "https://enterprise.local/desktop/git-error-translations2.git" "development"
+
+        # Use a local project
+        git "file:///directory/to/project" "branch"
+
+        # A binary only framework
+        binary "https://my.domain.com/release/MyFramework.json" ~> 2.3
+      CONTENT
+    end
+
+    subject { Gitlab::Highlight.highlight(file_name, file_content) }
+
+    def link(name, url)
+      %{<a href="#{url}" rel="nofollow noreferrer noopener" target="_blank">#{name}</a>}
+    end
+
+    it 'links dependencies' do
+      expect(subject).to include(link('ReactiveCocoa/ReactiveCocoa', 'https://github.com/ReactiveCocoa/ReactiveCocoa'))
+      expect(subject).to include(link('Mantle/Mantle', 'https://github.com/Mantle/Mantle'))
+      expect(subject).to include(link('jspahrsummers/libextobjc', 'https://github.com/jspahrsummers/libextobjc'))
+      expect(subject).to include(link('jspahrsummers/xcconfigs', 'https://github.com/jspahrsummers/xcconfigs'))
+    end
+
+    it 'links Git repos' do
+      expect(subject).to include(link('https://enterprise.local/ghe/desktop/git-error-translations', 'https://enterprise.local/ghe/desktop/git-error-translations'))
+      expect(subject).to include(link('https://enterprise.local/desktop/git-error-translations2.git', 'https://enterprise.local/desktop/git-error-translations2.git'))
+    end
+
+    it 'links binary-only frameworks' do
+      expect(subject).to include(link('https://my.domain.com/release/MyFramework.json', 'https://my.domain.com/release/MyFramework.json'))
+    end
+  end
+end
diff --git a/spec/lib/gitlab/dependency_linker/composer_json_linker_spec.rb b/spec/lib/gitlab/dependency_linker/composer_json_linker_spec.rb
new file mode 100644
index 00000000000..d7a926e800f
--- /dev/null
+++ b/spec/lib/gitlab/dependency_linker/composer_json_linker_spec.rb
@@ -0,0 +1,82 @@
+require 'rails_helper'
+
+describe Gitlab::DependencyLinker::ComposerJsonLinker, lib: true do
+  describe '.support?' do
+    it 'supports composer.json' do
+      expect(described_class.support?('composer.json')).to be_truthy
+    end
+
+    it 'does not support other files' do
+      expect(described_class.support?('composer.json.example')).to be_falsey
+    end
+  end
+
+  describe '#link' do
+    let(:file_name) { "composer.json" }
+
+    let(:file_content) do
+      <<-CONTENT.strip_heredoc
+        {
+          "name": "laravel/laravel",
+          "homepage": "https://laravel.com/",
+          "description": "The Laravel Framework.",
+          "keywords": ["framework", "laravel"],
+          "license": "MIT",
+          "type": "project",
+          "repositories": [
+            {
+              "type": "git",
+              "url": "https://github.com/laravel/laravel.git"
+            }
+          ],
+          "require": {
+            "php": ">=5.5.9",
+            "laravel/framework": "5.2.*"
+          },
+          "require-dev": {
+            "fzaninotto/faker": "~1.4",
+            "mockery/mockery": "0.9.*",
+            "phpunit/phpunit": "~4.0",
+            "symfony/css-selector": "2.8.*|3.0.*",
+            "symfony/dom-crawler": "2.8.*|3.0.*"
+          }
+        }
+      CONTENT
+    end
+
+    subject { Gitlab::Highlight.highlight(file_name, file_content) }
+
+    def link(name, url)
+      %{<a href="#{url}" rel="nofollow noreferrer noopener" target="_blank">#{name}</a>}
+    end
+
+    it 'links the module name' do
+      expect(subject).to include(link('laravel/laravel', 'https://packagist.org/packages/laravel/laravel'))
+    end
+
+    it 'links the homepage' do
+      expect(subject).to include(link('https://laravel.com/', 'https://laravel.com/'))
+    end
+
+    it 'links the repository URL' do
+      expect(subject).to include(link('https://github.com/laravel/laravel.git', 'https://github.com/laravel/laravel.git'))
+    end
+
+    it 'links the license' do
+      expect(subject).to include(link('MIT', 'http://choosealicense.com/licenses/mit/'))
+    end
+
+    it 'links dependencies' do
+      expect(subject).to include(link('laravel/framework', 'https://packagist.org/packages/laravel/framework'))
+      expect(subject).to include(link('fzaninotto/faker', 'https://packagist.org/packages/fzaninotto/faker'))
+      expect(subject).to include(link('mockery/mockery', 'https://packagist.org/packages/mockery/mockery'))
+      expect(subject).to include(link('phpunit/phpunit', 'https://packagist.org/packages/phpunit/phpunit'))
+      expect(subject).to include(link('symfony/css-selector', 'https://packagist.org/packages/symfony/css-selector'))
+      expect(subject).to include(link('symfony/dom-crawler', 'https://packagist.org/packages/symfony/dom-crawler'))
+    end
+
+    it 'does not link core dependencies' do
+      expect(subject).not_to include(link('php', 'https://packagist.org/packages/php'))
+    end
+  end
+end
diff --git a/spec/lib/gitlab/dependency_linker/gemfile_linker_spec.rb b/spec/lib/gitlab/dependency_linker/gemfile_linker_spec.rb
index 2e52097a946..3f8335f03ea 100644
--- a/spec/lib/gitlab/dependency_linker/gemfile_linker_spec.rb
+++ b/spec/lib/gitlab/dependency_linker/gemfile_linker_spec.rb
@@ -33,7 +33,7 @@ describe Gitlab::DependencyLinker::GemfileLinker, lib: true do
     subject { Gitlab::Highlight.highlight(file_name, file_content) }
 
     def link(name, url)
-      %{<a href="#{url}" rel="noopener noreferrer" target="_blank">#{name}</a>}
+      %{<a href="#{url}" rel="nofollow noreferrer noopener" target="_blank">#{name}</a>}
     end
 
     it 'links sources' do
diff --git a/spec/lib/gitlab/dependency_linker/gemspec_linker_spec.rb b/spec/lib/gitlab/dependency_linker/gemspec_linker_spec.rb
new file mode 100644
index 00000000000..d4a71403939
--- /dev/null
+++ b/spec/lib/gitlab/dependency_linker/gemspec_linker_spec.rb
@@ -0,0 +1,66 @@
+require 'rails_helper'
+
+describe Gitlab::DependencyLinker::GemspecLinker, lib: true do
+  describe '.support?' do
+    it 'supports *.gemspec' do
+      expect(described_class.support?('gitlab_git.gemspec')).to be_truthy
+    end
+
+    it 'does not support other files' do
+      expect(described_class.support?('.gemspec.example')).to be_falsey
+    end
+  end
+
+  describe '#link' do
+    let(:file_name) { "gitlab_git.gemspec" }
+
+    let(:file_content) do
+      <<-CONTENT.strip_heredoc
+        Gem::Specification.new do |s|
+          s.name        = 'gitlab_git'
+          s.version     = `cat VERSION`
+          s.date        = Time.now.strftime('%Y-%m-%d')
+          s.summary     = "Gitlab::Git library"
+          s.description = "GitLab wrapper around git objects"
+          s.authors     = ["Dmitriy Zaporozhets"]
+          s.email       = 'dmitriy.zaporozhets@gmail.com'
+          s.license     = 'MIT'
+          s.files       = `git ls-files lib/`.split('\n') << 'VERSION'
+          s.homepage    = 'https://gitlab.com/gitlab-org/gitlab_git'
+
+          s.add_dependency('github-linguist', '~> 4.7.0')
+          s.add_dependency('activesupport', '~> 4.0')
+          s.add_dependency('rugged', '~> 0.24.0')
+          s.add_runtime_dependency('charlock_holmes', '~> 0.7.3')
+          s.add_development_dependency('listen', '~> 3.0.6')
+        end
+      CONTENT
+    end
+
+    subject { Gitlab::Highlight.highlight(file_name, file_content) }
+
+    def link(name, url)
+      %{<a href="#{url}" rel="nofollow noreferrer noopener" target="_blank">#{name}</a>}
+    end
+
+    it 'links the gem name' do
+      expect(subject).to include(link('gitlab_git', 'https://rubygems.org/gems/gitlab_git'))
+    end
+
+    it 'links the license' do
+      expect(subject).to include(link('MIT', 'http://choosealicense.com/licenses/mit/'))
+    end
+
+    it 'links the homepage' do
+      expect(subject).to include(link('https://gitlab.com/gitlab-org/gitlab_git', 'https://gitlab.com/gitlab-org/gitlab_git'))
+    end
+
+    it 'links dependencies' do
+      expect(subject).to include(link('github-linguist', 'https://rubygems.org/gems/github-linguist'))
+      expect(subject).to include(link('activesupport', 'https://rubygems.org/gems/activesupport'))
+      expect(subject).to include(link('rugged', 'https://rubygems.org/gems/rugged'))
+      expect(subject).to include(link('charlock_holmes', 'https://rubygems.org/gems/charlock_holmes'))
+      expect(subject).to include(link('listen', 'https://rubygems.org/gems/listen'))
+    end
+  end
+end
diff --git a/spec/lib/gitlab/dependency_linker/godeps_json_linker_spec.rb b/spec/lib/gitlab/dependency_linker/godeps_json_linker_spec.rb
new file mode 100644
index 00000000000..e279e0c9019
--- /dev/null
+++ b/spec/lib/gitlab/dependency_linker/godeps_json_linker_spec.rb
@@ -0,0 +1,84 @@
+require 'rails_helper'
+
+describe Gitlab::DependencyLinker::GodepsJsonLinker, lib: true do
+  describe '.support?' do
+    it 'supports Godeps.json' do
+      expect(described_class.support?('Godeps.json')).to be_truthy
+    end
+
+    it 'does not support other files' do
+      expect(described_class.support?('Godeps.json.example')).to be_falsey
+    end
+  end
+
+  describe '#link' do
+    let(:file_name) { "Godeps.json" }
+
+    let(:file_content) do
+      <<-CONTENT.strip_heredoc
+        {
+        	"ImportPath": "gitlab.com/gitlab-org/gitlab-pages",
+        	"GoVersion": "go1.5",
+        	"Packages": [
+        		"./..."
+        	],
+        	"Deps": [
+        		{
+        			"ImportPath": "github.com/kardianos/osext",
+        			"Rev": "efacde03154693404c65e7aa7d461ac9014acd0c"
+        		},
+        		{
+        			"ImportPath": "github.com/stretchr/testify/assert",
+        			"Rev": "1297dc01ed0a819ff634c89707081a4df43baf6b"
+        		},
+        		{
+        			"ImportPath": "github.com/stretchr/testify/require",
+        			"Rev": "1297dc01ed0a819ff634c89707081a4df43baf6b"
+        		},
+        		{
+        			"ImportPath": "gitlab.com/group/project/path",
+        			"Rev": "1297dc01ed0a819ff634c89707081a4df43baf6b"
+        		},
+        		{
+        			"ImportPath": "gitlab.com/group/subgroup/project.git/path",
+        			"Rev": "1297dc01ed0a819ff634c89707081a4df43baf6b"
+        		},
+        		{
+        			"ImportPath": "golang.org/x/crypto/ssh/terminal",
+        			"Rev": "1351f936d976c60a0a48d728281922cf63eafb8d"
+        		},
+        		{
+        			"ImportPath": "golang.org/x/net/http2",
+        			"Rev": "b4e17d61b15679caf2335da776c614169a1b4643"
+        		}
+        	]
+        }
+      CONTENT
+    end
+
+    subject { Gitlab::Highlight.highlight(file_name, file_content) }
+
+    def link(name, url)
+      %{<a href="#{url}" rel="nofollow noreferrer noopener" target="_blank">#{name}</a>}
+    end
+
+    it 'links the package name' do
+      expect(subject).to include(link('gitlab.com/gitlab-org/gitlab-pages', 'https://gitlab.com/gitlab-org/gitlab-pages'))
+    end
+
+    it 'links GitHub repos' do
+      expect(subject).to include(link('github.com/kardianos/osext', 'https://github.com/kardianos/osext'))
+      expect(subject).to include(link('github.com/stretchr/testify/assert', 'https://github.com/stretchr/testify/tree/master/assert'))
+      expect(subject).to include(link('github.com/stretchr/testify/require', 'https://github.com/stretchr/testify/tree/master/require'))
+    end
+
+    it 'links GitLab projects' do
+      expect(subject).to include(link('gitlab.com/group/project/path', 'https://gitlab.com/group/project/tree/master/path'))
+      expect(subject).to include(link('gitlab.com/group/subgroup/project.git/path', 'https://gitlab.com/group/subgroup/project/tree/master/path'))
+    end
+
+    it 'links Golang packages' do
+      expect(subject).to include(link('golang.org/x/net/http2', 'https://godoc.org/golang.org/x/net/http2'))
+    end
+  end
+end
diff --git a/spec/lib/gitlab/dependency_linker/package_json_linker_spec.rb b/spec/lib/gitlab/dependency_linker/package_json_linker_spec.rb
new file mode 100644
index 00000000000..b5f2c387d6f
--- /dev/null
+++ b/spec/lib/gitlab/dependency_linker/package_json_linker_spec.rb
@@ -0,0 +1,85 @@
+require 'rails_helper'
+
+describe Gitlab::DependencyLinker::PackageJsonLinker, lib: true do
+  describe '.support?' do
+    it 'supports package.json' do
+      expect(described_class.support?('package.json')).to be_truthy
+    end
+
+    it 'does not support other files' do
+      expect(described_class.support?('package.json.example')).to be_falsey
+    end
+  end
+
+  describe '#link' do
+    let(:file_name) { "package.json" }
+
+    let(:file_content) do
+      <<-CONTENT.strip_heredoc
+        {
+          "name": "module-name",
+          "version": "10.3.1",
+          "repository": {
+            "type": "git",
+            "url": "https://github.com/vuejs/vue.git"
+          },
+          "homepage": "https://github.com/vuejs/vue#readme",
+          "dependencies": {
+            "primus": "*",
+            "async": "~0.8.0",
+            "express": "4.2.x",
+            "bigpipe": "bigpipe/pagelet",
+            "plates": "https://github.com/flatiron/plates/tarball/master"
+          },
+          "devDependencies": {
+            "vows": "^0.7.0",
+            "assume": "<1.0.0 || >=2.3.1 <2.4.5 || >=2.5.2 <3.0.0",
+            "pre-commit": "*"
+          },
+          "license": "MIT"
+        }
+      CONTENT
+    end
+
+    subject { Gitlab::Highlight.highlight(file_name, file_content) }
+
+    def link(name, url)
+      %{<a href="#{url}" rel="nofollow noreferrer noopener" target="_blank">#{name}</a>}
+    end
+
+    it 'links the module name' do
+      expect(subject).to include(link('module-name', 'https://npmjs.com/package/module-name'))
+    end
+
+    it 'links the homepage' do
+      expect(subject).to include(link('https://github.com/vuejs/vue#readme', 'https://github.com/vuejs/vue#readme'))
+    end
+
+    it 'links the repository URL' do
+      expect(subject).to include(link('https://github.com/vuejs/vue.git', 'https://github.com/vuejs/vue.git'))
+    end
+
+    it 'links the license' do
+      expect(subject).to include(link('MIT', 'http://choosealicense.com/licenses/mit/'))
+    end
+
+    it 'links dependencies' do
+      expect(subject).to include(link('primus', 'https://npmjs.com/package/primus'))
+      expect(subject).to include(link('async', 'https://npmjs.com/package/async'))
+      expect(subject).to include(link('express', 'https://npmjs.com/package/express'))
+      expect(subject).to include(link('bigpipe', 'https://npmjs.com/package/bigpipe'))
+      expect(subject).to include(link('plates', 'https://npmjs.com/package/plates'))
+      expect(subject).to include(link('vows', 'https://npmjs.com/package/vows'))
+      expect(subject).to include(link('assume', 'https://npmjs.com/package/assume'))
+      expect(subject).to include(link('pre-commit', 'https://npmjs.com/package/pre-commit'))
+    end
+
+    it 'links GitHub repos' do
+      expect(subject).to include(link('bigpipe/pagelet', 'https://github.com/bigpipe/pagelet'))
+    end
+
+    it 'links Git repos' do
+      expect(subject).to include(link('https://github.com/flatiron/plates/tarball/master', 'https://github.com/flatiron/plates/tarball/master'))
+    end
+  end
+end
diff --git a/spec/lib/gitlab/dependency_linker/podfile_linker_spec.rb b/spec/lib/gitlab/dependency_linker/podfile_linker_spec.rb
new file mode 100644
index 00000000000..06007cf97f7
--- /dev/null
+++ b/spec/lib/gitlab/dependency_linker/podfile_linker_spec.rb
@@ -0,0 +1,53 @@
+require 'rails_helper'
+
+describe Gitlab::DependencyLinker::PodfileLinker, lib: true do
+  describe '.support?' do
+    it 'supports Podfile' do
+      expect(described_class.support?('Podfile')).to be_truthy
+    end
+
+    it 'does not support other files' do
+      expect(described_class.support?('Podfile.lock')).to be_falsey
+    end
+  end
+
+  describe '#link' do
+    let(:file_name) { "Podfile" }
+
+    let(:file_content) do
+      <<-CONTENT.strip_heredoc
+        source 'https://github.com/artsy/Specs.git'
+        source 'https://github.com/CocoaPods/Specs.git'
+
+        platform :ios, '8.0'
+        use_frameworks!
+        inhibit_all_warnings!
+
+        target 'Artsy' do
+          pod 'AFNetworking', "~> 2.5"
+          pod 'Interstellar/Core', git: 'https://github.com/ashfurrow/Interstellar.git', branch: 'observable-unsubscribe'
+        end
+      CONTENT
+    end
+
+    subject { Gitlab::Highlight.highlight(file_name, file_content) }
+
+    def link(name, url)
+      %{<a href="#{url}" rel="nofollow noreferrer noopener" target="_blank">#{name}</a>}
+    end
+
+    it 'links sources' do
+      expect(subject).to include(link('https://github.com/artsy/Specs.git', 'https://github.com/artsy/Specs.git'))
+      expect(subject).to include(link('https://github.com/CocoaPods/Specs.git', 'https://github.com/CocoaPods/Specs.git'))
+    end
+
+    it 'links packages' do
+      expect(subject).to include(link('AFNetworking', 'https://cocoapods.org/pods/AFNetworking'))
+      expect(subject).to include(link('Interstellar/Core', 'https://cocoapods.org/pods/Interstellar'))
+    end
+
+    it 'links Git repos' do
+      expect(subject).to include(link('https://github.com/ashfurrow/Interstellar.git', 'https://github.com/ashfurrow/Interstellar.git'))
+    end
+  end
+end
diff --git a/spec/lib/gitlab/dependency_linker/podspec_json_linker_spec.rb b/spec/lib/gitlab/dependency_linker/podspec_json_linker_spec.rb
new file mode 100644
index 00000000000..d722865264b
--- /dev/null
+++ b/spec/lib/gitlab/dependency_linker/podspec_json_linker_spec.rb
@@ -0,0 +1,96 @@
+require 'rails_helper'
+
+describe Gitlab::DependencyLinker::PodspecJsonLinker, lib: true do
+  describe '.support?' do
+    it 'supports *.podspec.json' do
+      expect(described_class.support?('Reachability.podspec.json')).to be_truthy
+    end
+
+    it 'does not support other files' do
+      expect(described_class.support?('.podspec.json.example')).to be_falsey
+    end
+  end
+
+  describe '#link' do
+    let(:file_name) { "AFNetworking.podspec.json" }
+
+    let(:file_content) do
+      <<-CONTENT.strip_heredoc
+        {
+          "name": "AFNetworking",
+          "version": "2.0.0",
+          "license": "MIT",
+          "summary": "A delightful iOS and OS X networking framework.",
+          "homepage": "https://github.com/AFNetworking/AFNetworking",
+          "authors": {
+            "Mattt Thompson": "m@mattt.me"
+          },
+          "source": {
+            "git": "https://github.com/AFNetworking/AFNetworking.git",
+            "tag": "2.0.0",
+            "submodules": true
+          },
+          "requires_arc": true,
+          "platforms": {
+            "ios": "6.0",
+            "osx": "10.8"
+          },
+          "public_header_files": "AFNetworking/*.h",
+          "subspecs": [
+            {
+              "name": "NSURLConnection",
+              "dependencies": {
+                "AFNetworking/Serialization": [
+
+                ],
+                "AFNetworking/Reachability": [
+
+                ],
+                "AFNetworking/Security": [
+
+                ]
+              },
+              "source_files": [
+                "AFNetworking/AFURLConnectionOperation.{h,m}",
+                "AFNetworking/AFHTTPRequestOperation.{h,m}",
+                "AFNetworking/AFHTTPRequestOperationManager.{h,m}"
+              ]
+            }
+          ]
+        }
+      CONTENT
+    end
+
+    subject { Gitlab::Highlight.highlight(file_name, file_content) }
+
+    def link(name, url)
+      %{<a href="#{url}" rel="nofollow noreferrer noopener" target="_blank">#{name}</a>}
+    end
+
+    it 'links the gem name' do
+      expect(subject).to include(link('AFNetworking', 'https://cocoapods.org/pods/AFNetworking'))
+    end
+
+    it 'links the license' do
+      expect(subject).to include(link('MIT', 'http://choosealicense.com/licenses/mit/'))
+    end
+
+    it 'links the homepage' do
+      expect(subject).to include(link('https://github.com/AFNetworking/AFNetworking', 'https://github.com/AFNetworking/AFNetworking'))
+    end
+
+    it 'links the source URL' do
+      expect(subject).to include(link('https://github.com/AFNetworking/AFNetworking.git', 'https://github.com/AFNetworking/AFNetworking.git'))
+    end
+
+    it 'links dependencies' do
+      expect(subject).to include(link('AFNetworking/Serialization', 'https://cocoapods.org/pods/AFNetworking'))
+      expect(subject).to include(link('AFNetworking/Reachability', 'https://cocoapods.org/pods/AFNetworking'))
+      expect(subject).to include(link('AFNetworking/Security', 'https://cocoapods.org/pods/AFNetworking'))
+    end
+
+    it 'does not link subspec names' do
+      expect(subject).not_to include(link('NSURLConnection', 'https://cocoapods.org/pods/NSURLConnection'))
+    end
+  end
+end
diff --git a/spec/lib/gitlab/dependency_linker/podspec_linker_spec.rb b/spec/lib/gitlab/dependency_linker/podspec_linker_spec.rb
new file mode 100644
index 00000000000..dfc366b5817
--- /dev/null
+++ b/spec/lib/gitlab/dependency_linker/podspec_linker_spec.rb
@@ -0,0 +1,69 @@
+require 'rails_helper'
+
+describe Gitlab::DependencyLinker::PodspecLinker, lib: true do
+  describe '.support?' do
+    it 'supports *.podspec' do
+      expect(described_class.support?('Reachability.podspec')).to be_truthy
+    end
+
+    it 'does not support other files' do
+      expect(described_class.support?('.podspec.example')).to be_falsey
+    end
+  end
+
+  describe '#link' do
+    let(:file_name) { "Reachability.podspec" }
+
+    let(:file_content) do
+      <<-CONTENT.strip_heredoc
+        Pod::Spec.new do |spec|
+          spec.name         = 'Reachability'
+          spec.version      = '3.1.0'
+          spec.license      = { :type => 'GPL-3.0' }
+          spec.license      = "MIT"
+          spec.license      = { type: 'Apache-2.0' }
+          spec.homepage     = 'https://github.com/tonymillion/Reachability'
+          spec.authors      = { 'Tony Million' => 'tonymillion@gmail.com' }
+          spec.summary      = 'ARC and GCD Compatible Reachability Class for iOS and OS X.'
+          spec.source       = { :git => 'https://github.com/tonymillion/Reachability.git', :tag => 'v3.1.0' }
+          spec.source_files = 'Reachability.{h,m}'
+          spec.framework    = 'SystemConfiguration'
+
+          spec.dependency 'AFNetworking', '~> 1.0'
+          spec.dependency 'RestKit/CoreData', '~> 0.20.0'
+          spec.ios.dependency 'MBProgressHUD', '~> 0.5'
+        end
+      CONTENT
+    end
+
+    subject { Gitlab::Highlight.highlight(file_name, file_content) }
+
+    def link(name, url)
+      %{<a href="#{url}" rel="nofollow noreferrer noopener" target="_blank">#{name}</a>}
+    end
+
+    it 'links the gem name' do
+      expect(subject).to include(link('Reachability', 'https://cocoapods.org/pods/Reachability'))
+    end
+
+    it 'links the license' do
+      expect(subject).to include(link('GPL-3.0', 'http://choosealicense.com/licenses/gpl-3.0/'))
+      expect(subject).to include(link('MIT', 'http://choosealicense.com/licenses/mit/'))
+      expect(subject).to include(link('Apache-2.0', 'http://choosealicense.com/licenses/apache-2.0/'))
+    end
+
+    it 'links the homepage' do
+      expect(subject).to include(link('https://github.com/tonymillion/Reachability', 'https://github.com/tonymillion/Reachability'))
+    end
+
+    it 'links the source URL' do
+      expect(subject).to include(link('https://github.com/tonymillion/Reachability.git', 'https://github.com/tonymillion/Reachability.git'))
+    end
+
+    it 'links dependencies' do
+      expect(subject).to include(link('AFNetworking', 'https://cocoapods.org/pods/AFNetworking'))
+      expect(subject).to include(link('RestKit/CoreData', 'https://cocoapods.org/pods/RestKit'))
+      expect(subject).to include(link('MBProgressHUD', 'https://cocoapods.org/pods/MBProgressHUD'))
+    end
+  end
+end
diff --git a/spec/lib/gitlab/dependency_linker/requirements_txt_linker_spec.rb b/spec/lib/gitlab/dependency_linker/requirements_txt_linker_spec.rb
new file mode 100644
index 00000000000..4da8821726c
--- /dev/null
+++ b/spec/lib/gitlab/dependency_linker/requirements_txt_linker_spec.rb
@@ -0,0 +1,87 @@
+require 'rails_helper'
+
+describe Gitlab::DependencyLinker::RequirementsTxtLinker, lib: true do
+  describe '.support?' do
+    it 'supports requirements.txt' do
+      expect(described_class.support?('requirements.txt')).to be_truthy
+    end
+
+    it 'supports doc-requirements.txt' do
+      expect(described_class.support?('doc-requirements.txt')).to be_truthy
+    end
+
+    it 'does not support other files' do
+      expect(described_class.support?('requirements')).to be_falsey
+    end
+  end
+
+  describe '#link' do
+    let(:file_name) { "requirements.txt" }
+
+    let(:file_content) do
+      <<-CONTENT.strip_heredoc
+        #
+        ####### example-requirements.txt #######
+        #
+        ###### Requirements without Version Specifiers ######
+        nose
+        nose-cov
+        beautifulsoup4
+        #
+        ###### Requirements with Version Specifiers ######
+        #   See https://www.python.org/dev/peps/pep-0440/#version-specifiers
+        docopt == 0.6.1             # Version Matching. Must be version 0.6.1
+        keyring >= 4.1.1            # Minimum version 4.1.1
+        coverage != 3.5             # Version Exclusion. Anything except version 3.5
+        Mopidy-Dirble ~= 1.1        # Compatible release. Same as >= 1.1, == 1.*
+        #
+        ###### Refer to other requirements files ######
+        -r other-requirements.txt
+        #
+        #
+        ###### A particular file ######
+        ./downloads/numpy-1.9.2-cp34-none-win32.whl
+        http://wxpython.org/Phoenix/snapshot-builds/wxPython_Phoenix-3.0.3.dev1820+49a8884-cp34-none-win_amd64.whl
+        #
+        ###### Additional Requirements without Version Specifiers ######
+        #   Same as 1st section, just here to show that you can put things in any order.
+        rejected
+        green
+        #
+
+        Jinja2>=2.3
+        Pygments>=1.2
+        Sphinx>=1.3
+        docutils>=0.7
+        markupsafe
+      CONTENT
+    end
+
+    subject { Gitlab::Highlight.highlight(file_name, file_content) }
+
+    def link(name, url)
+      %{<a href="#{url}" rel="nofollow noreferrer noopener" target="_blank">#{name}</a>}
+    end
+
+    it 'links dependencies' do
+      expect(subject).to include(link('nose', 'https://pypi.python.org/pypi/nose'))
+      expect(subject).to include(link('nose-cov', 'https://pypi.python.org/pypi/nose-cov'))
+      expect(subject).to include(link('beautifulsoup4', 'https://pypi.python.org/pypi/beautifulsoup4'))
+      expect(subject).to include(link('docopt', 'https://pypi.python.org/pypi/docopt'))
+      expect(subject).to include(link('keyring', 'https://pypi.python.org/pypi/keyring'))
+      expect(subject).to include(link('coverage', 'https://pypi.python.org/pypi/coverage'))
+      expect(subject).to include(link('Mopidy-Dirble', 'https://pypi.python.org/pypi/Mopidy-Dirble'))
+      expect(subject).to include(link('rejected', 'https://pypi.python.org/pypi/rejected'))
+      expect(subject).to include(link('green', 'https://pypi.python.org/pypi/green'))
+      expect(subject).to include(link('Jinja2', 'https://pypi.python.org/pypi/Jinja2'))
+      expect(subject).to include(link('Pygments', 'https://pypi.python.org/pypi/Pygments'))
+      expect(subject).to include(link('Sphinx', 'https://pypi.python.org/pypi/Sphinx'))
+      expect(subject).to include(link('docutils', 'https://pypi.python.org/pypi/docutils'))
+      expect(subject).to include(link('markupsafe', 'https://pypi.python.org/pypi/markupsafe'))
+    end
+
+    it 'links URLs' do
+      expect(subject).to include(link('http://wxpython.org/Phoenix/snapshot-builds/wxPython_Phoenix-3.0.3.dev1820+49a8884-cp34-none-win_amd64.whl', 'http://wxpython.org/Phoenix/snapshot-builds/wxPython_Phoenix-3.0.3.dev1820+49a8884-cp34-none-win_amd64.whl'))
+    end
+  end
+end
diff --git a/spec/lib/gitlab/dependency_linker_spec.rb b/spec/lib/gitlab/dependency_linker_spec.rb
index 03d5b61d70c..3d1cfbcfbf7 100644
--- a/spec/lib/gitlab/dependency_linker_spec.rb
+++ b/spec/lib/gitlab/dependency_linker_spec.rb
@@ -9,5 +9,77 @@ describe Gitlab::DependencyLinker, lib: true do
 
       described_class.link(blob_name, nil, nil)
     end
+
+    it 'links using GemspecLinker' do
+      blob_name = 'gitlab_git.gemspec'
+
+      expect(described_class::GemspecLinker).to receive(:link)
+
+      described_class.link(blob_name, nil, nil)
+    end
+
+    it 'links using PackageJsonLinker' do
+      blob_name = 'package.json'
+
+      expect(described_class::PackageJsonLinker).to receive(:link)
+
+      described_class.link(blob_name, nil, nil)
+    end
+
+    it 'links using ComposerJsonLinker' do
+      blob_name = 'composer.json'
+
+      expect(described_class::ComposerJsonLinker).to receive(:link)
+
+      described_class.link(blob_name, nil, nil)
+    end
+
+    it 'links using PodfileLinker' do
+      blob_name = 'Podfile'
+
+      expect(described_class::PodfileLinker).to receive(:link)
+
+      described_class.link(blob_name, nil, nil)
+    end
+
+    it 'links using PodspecLinker' do
+      blob_name = 'Reachability.podspec'
+
+      expect(described_class::PodspecLinker).to receive(:link)
+
+      described_class.link(blob_name, nil, nil)
+    end
+
+    it 'links using PodspecJsonLinker' do
+      blob_name = 'AFNetworking.podspec.json'
+
+      expect(described_class::PodspecJsonLinker).to receive(:link)
+
+      described_class.link(blob_name, nil, nil)
+    end
+
+    it 'links using CartfileLinker' do
+      blob_name = 'Cartfile'
+
+      expect(described_class::CartfileLinker).to receive(:link)
+
+      described_class.link(blob_name, nil, nil)
+    end
+
+    it 'links using GodepsJsonLinker' do
+      blob_name = 'Godeps.json'
+
+      expect(described_class::GodepsJsonLinker).to receive(:link)
+
+      described_class.link(blob_name, nil, nil)
+    end
+
+    it 'links using RequirementsTxtLinker' do
+      blob_name = 'requirements.txt'
+
+      expect(described_class::RequirementsTxtLinker).to receive(:link)
+
+      described_class.link(blob_name, nil, nil)
+    end
   end
 end
diff --git a/spec/lib/gitlab/highlight_spec.rb b/spec/lib/gitlab/highlight_spec.rb
index e57b3053871..a20cef3b000 100644
--- a/spec/lib/gitlab/highlight_spec.rb
+++ b/spec/lib/gitlab/highlight_spec.rb
@@ -59,8 +59,6 @@ describe Gitlab::Highlight, lib: true do
   end
 
   describe '#highlight' do
-    subject { described_class.highlight(file_name, file_content, nowrap: false) }
-
     it 'links dependencies via DependencyLinker' do
       expect(Gitlab::DependencyLinker).to receive(:link).
         with('file.name', 'Contents', anything).and_call_original