Add yamatanooroti test example

Author: aycabta

Rakefile

@@ -7,4 +7,11 @@ Rake::TestTask.new(:test) do |t|
   t.test_files = FileList["test/**/test_*.rb"]
 end
 
+Rake::TestTask.new(:test_yamatanooroti) do |t|
+  t.libs << 'test'
+  t.libs << 'lib'
+  #t.loader = :direct
+  t.pattern = 'test/irb/yamatanooroti/test_*.rb'
+end
+
 task :default => :test

test/irb/yamatanooroti/test_rendering.rb

@@ -0,0 +1,54 @@
+require 'irb'
+
+begin
+  require 'yamatanooroti'
+
+  class IRB::TestRendering < Yamatanooroti::TestCase
+    def setup
+      @pwd = Dir.pwd
+      suffix = '%010d' % Random.rand(0..65535)
+      @tmpdir = File.join(File.expand_path(Dir.tmpdir), "test_irb_#{$$}_#{suffix}")
+      begin
+        Dir.mkdir(@tmpdir)
+      rescue Errno::EEXIST
+        FileUtils.rm_rf(@tmpdir)
+        Dir.mkdir(@tmpdir)
+      end
+      @irbrc_backup = ENV['IRBRC']
+      @irbrc_file = ENV['IRBRC'] = File.join(@tmpdir, 'temporaty_irbrc')
+      File.unlink(@irbrc_file) if File.exist?(@irbrc_file)
+    end
+
+    def teardown
+      FileUtils.rm_rf(@tmpdir)
+      ENV['IRBRC'] = @irbrc_backup
+      ENV.delete('RELINE_TEST_PROMPT') if ENV['RELINE_TEST_PROMPT']
+    end
+
+    def test_launch
+      write_irbrc <<~'LINES'
+        puts 'start IRB'
+      LINES
+      start_terminal(25, 80, %W{ruby -I#{@pwd}/lib -I#{@pwd}/../reline/lib #{@pwd}/exe/irb}, startup_message: 'start IRB')
+      write(<<~EOC)
+        'Hello, World!'
+      EOC
+      close
+      assert_screen(<<~EOC)
+        start IRB
+        irb(main):001:0> 'Hello, World!'
+        => "Hello, World!"
+        irb(main):002:0>
+      EOC
+    end
+
+    private def write_irbrc(content)
+      File.open(@irbrc_file, 'w') do |f|
+        f.write content
+      end
+    end
+  end
+rescue LoadError, NameError
+  # On Ruby repository, this test suit doesn't run because Ruby repo doesn't
+  # have the yamatanooroti gem.
+end