[ruby/reline] Add a simple test for autocomplete

11f83b2f4b

test/reline/yamatanooroti/multiline_repl

@@ -35,6 +35,12 @@ opt.on('--complete') {
     %w{String ScriptError SyntaxError Signal}
   }
 }
+opt.on('--autocomplete') {
+  Reline.autocompletion = true
+  Reline.completion_proc = lambda { |target, preposing = nil, postposing = nil|
+    %w{String Struct Symbol ScriptError SyntaxError Signal}
+  }
+}
 opt.parse!(ARGV)
 
 begin

test/reline/yamatanooroti/test_rendering.rb

@@ -835,6 +835,22 @@ begin
       EOC
     end
 
+    def test_autocomplete
+      start_terminal(20, 30, %W{ruby -I#{@pwd}/lib #{@pwd}/test/reline/yamatanooroti/multiline_repl --autocomplete}, startup_message: 'Multiline REPL.')
+      write("Stri")
+      close
+      assert_screen(<<~'EOC')
+        Multiline REPL.
+        prompt> Stri
+                String
+                Struct
+                Symbol
+                ScriptError
+                SyntaxError
+                Signal
+      EOC
+    end
+
     def write_inputrc(content)
       File.open(@inputrc_file, 'w') do |f|
         f.write content