Fix continue! with byebug calls

CHANGELOG.md

@@ -2,6 +2,10 @@
 
 ## [Unreleased]
 
+### Fixed
+
+* [#546](https://github.com/deivid-rodriguez/byebug/pull/546): `continue!` to ignore further `byebug` calls.
+
 ## [11.0.0] - 2019-02-15
 
 ### Added

lib/byebug/attacher.rb

@@ -8,8 +8,6 @@ module Byebug
   # Starts byebug, and stops at the first line of user's code.
   #
   def self.attach
-    require "byebug/core"
-
     unless started?
       self.mode = :attached
 
@@ -35,7 +33,9 @@ def self.spawn(host = "localhost", port = nil)
 #
 module Kernel
   def byebug
-    Byebug.attach
+    require "byebug/core"
+
+    Byebug.attach unless Byebug.mode == :off
   end
 
   def remote_byebug(host = "localhost", port = nil)

lib/byebug/commands/continue.rb

@@ -47,6 +47,7 @@ def execute
 
       processor.proceed!
 
+      Byebug.mode = :off if unconditionally?
       Byebug.stop if unconditionally? || Byebug.stoppable?
     end
 

lib/byebug/core.rb

@@ -36,6 +36,7 @@ module Byebug
   #
   # * :attached => Attached to a running program through the `byebug` method.
   # * :standalone => Started through `byebug` script.
+  # * :off => Ignoring any `byebug` method calls.
   #
   attr_accessor :mode
 

test/commands/continue_test.rb

@@ -36,15 +36,19 @@ def test_continues_until_the_end_if_no_line_specified_and_no_breakpoints
     end
 
     def test_continues_until_the_end_if_used_with_bang
-      enter "break 14", "continue!"
+      with_mode(:attached) do
+        enter "break 14", "continue!"
 
-      debug_code(program) { assert_program_finished }
+        debug_code(program) { assert_program_finished }
+      end
     end
 
     def test_continues_until_the_end_if_used_with_unconditionally
-      enter "break 14", "continue unconditionally"
+      with_mode(:attached) do
+        enter "break 14", "continue unconditionally"
 
-      debug_code(program) { assert_program_finished }
+        debug_code(program) { assert_program_finished }
+      end
     end
 
     def test_stops_byebug_after_continue
@@ -102,4 +106,38 @@ def test_linetrace_does_not_show_a_line_in_eval_context
       end
     end
   end
+
+  class ContinueUnconditionallyWithByebugCallsTest < TestCase
+    def program
+      strip_line_numbers <<-RUBY
+         1:  module Byebug
+         2:    byebug
+         3:
+         4:    b = 5
+         5:
+         6:    byebug
+         7:
+         8:    c = b + 5
+         9:
+        10:    d = c + 5
+        11:  end
+      RUBY
+    end
+
+    def test_continues_until_the_end_ignoring_byebug_calls_if_used_with_bang
+      with_mode(:attached) do
+        enter "continue!"
+
+        debug_code(program) { assert_program_finished }
+      end
+    end
+
+    def test_continues_until_the_end_ignoring_byebug_calls_if_used_with_unconditionally
+      with_mode(:attached) do
+        enter "continue unconditionally"
+
+        debug_code(program) { assert_program_finished }
+      end
+    end
+  end
 end

test/runner_against_program_with_byebug_call_test.rb

@@ -0,0 +1,26 @@
+# frozen_string_literal: true
+
+require "test_helper"
+
+module Byebug
+  #
+  # Tests standalone byebug when debugging a target program
+  #
+  class RunnerAgainstProgramWithByebugCallTest < TestCase
+    def setup
+      super
+
+      example_file.write("require 'byebug'\nbyebug\nsleep 0")
+      example_file.close
+    end
+
+    def test_run_with_a_script_to_debug
+      stdout = run_program(
+        ["ruby", example_path],
+        'puts "Program: #{$PROGRAM_NAME}"'
+      )
+
+      assert_match(/Program: #{example_path}/, stdout)
+    end
+  end
+end