[ruby/reline] Pass unmodifined lines(that does not include escape

sequence) to check_multiline_prompt
(https://github.com/ruby/reline/pull/458)

* pass unmodified lines to check_multiline_prompt

* Add test to check that output modified by output_modifier_proc is not passed to prompt_proc

2 files changed, 25 insertions, 0 deletions

diff --git a/test/reline/yamatanooroti/multiline_repl b/test/reline/yamatanooroti/multiline_repl
index d27d216652..c429494442 100755
--- a/test/reline/yamatanooroti/multiline_repl
+++ b/test/reline/yamatanooroti/multiline_repl
@@ -39,6 +39,19 @@ opt.on('--dynamic-prompt-with-newline') {
     }
   }
 }
+opt.on('--broken-dynamic-prompt-assert-no-escape-sequence') {
+  Reline.prompt_proc = proc { |lines|
+    has_escape_sequence = lines.join.include?("\e")
+    (lines.size + 1).times.map { |i|
+      has_escape_sequence ? 'error>' : '[%04d]> ' % i
+    }
+  }
+}
+opt.on('--color-bold') {
+  Reline.output_modifier_proc = ->(output, complete:){
+    output.gsub(/./) { |c| "\e[1m#{c}\e[0m" }
+  }
+}
 opt.on('--auto-indent') {
   AutoIndent.new
 }
diff --git a/test/reline/yamatanooroti/test_rendering.rb b/test/reline/yamatanooroti/test_rendering.rb
index c383112131..42d2b173d5 100644
--- a/test/reline/yamatanooroti/test_rendering.rb
+++ b/test/reline/yamatanooroti/test_rendering.rb
@@ -460,6 +460,18 @@ begin
       EOC
     end
 
+    def test_no_escape_sequence_passed_to_dynamic_prompt
+      start_terminal(10, 30, %W{ruby -I#{@pwd}/lib #{@pwd}/test/reline/yamatanooroti/multiline_repl  --autocomplete --color-bold --broken-dynamic-prompt-assert-no-escape-sequence}, startup_message: 'Multiline REPL.')
+      write("%[ S")
+      write("\n")
+      close
+      assert_screen(<<~EOC)
+        Multiline REPL.
+        [0000]> %[ S
+        [0001]>
+      EOC
+    end
+
     def test_enable_bracketed_paste
       omit if Reline::IOGate.win?
       write_inputrc <<~LINES