Test examples provided in 'using:' would be detected by licensee

Gemfile

@@ -16,6 +16,7 @@ end
 
 group :test do
   gem 'html-proofer', '~> 3.0'
+  gem 'licensee'
   gem 'nokogiri'
   gem 'rake'
   gem 'rspec'

spec/license_meta_spec.rb

@@ -1,5 +1,6 @@
 # frozen_string_literal: true
 
+require 'licensee'
 require 'spec_helper'
 
 describe 'license meta' do
@@ -19,6 +20,8 @@ describe 'license meta' do
         expect(missing).to be_empty
       end
 
+      examples = raw_fields['using'] || []
+
       it 'using contains 3 examples' do
         legacy = [
           'afl-3.0',
@@ -43,9 +46,33 @@ describe 'license meta' do
           'zlib'
         ]
         skip 'added before 3 using examples required' if legacy.include?(license['slug'])
-        examples = raw_fields['using'] || []
         expect(examples.length).to eq(3)
       end
+
+      context 'licensee detects using examples' do
+        module Licensee
+          class License
+            class << self
+              def license_dir
+                dir = ::File.dirname(__FILE__)
+                ::File.expand_path '../_licenses', dir
+              end
+            end
+          end
+        end
+
+        examples.each do |example|
+          example_url = example.values[0]
+          if example_url.index('https://github.com/') == 0
+            example_url.gsub!(%r{\Ahttps://github.com/(\w+/\w+)/blob/(\w+/\S+)\z}, 'https://raw.githubusercontent.com/\1/\2')
+          end
+          content = open(example_url).read
+          detected = Licensee::ProjectFiles::LicenseFile.new(content, 'LICENSE').license
+          it example_url do
+            expect(detected.key).to eq(license['slug'])
+          end
+        end
+      end
     end
   end
 end

spec/spec_helper.rb

@@ -1,7 +1,6 @@
 # frozen_string_literal: true
 
 require 'jekyll'
-require 'open-uri'
 require 'json'
 require 'open-uri'
 require 'nokogiri'