spec/support/mri_syntax_checker.rb in rubocop-0.14.1 vs spec/support/mri_syntax_checker.rb in rubocop-0.15.0

@@ -15,27 +15,31 @@
     end
 
     source_buffer = Parser::Source::Buffer.new('test', 1)
     source_buffer.source = source
 
-    offences = []
-
-    check_syntax(source).each_line do |line|
-      line_number, severity, message = process_line(line)
-      next unless line_number
-      next if grep_message && !message.include?(grep_message)
-      begin_pos = source_lines[0...(line_number - 1)].reduce(0) do |a, e|
-        a + e.length + "\n".length
-      end
-      offences << Rubocop::Cop::Offence.new(
-        severity,
-        Parser::Source::Range.new(source_buffer, begin_pos, begin_pos + 1),
-        message.capitalize,
-        fake_cop_name
-      )
+    offences = check_syntax(source).each_line.map do |line|
+      check_line(line, source_lines, source_buffer, fake_cop_name,
+                 grep_message)
     end
 
-    offences
+    offences.compact
+  end
+
+  def check_line(line, source_lines, source_buffer, fake_cop_name,
+                 grep_message)
+    line_number, severity, message = process_line(line)
+    return unless line_number
+    return if grep_message && !message.include?(grep_message)
+    begin_pos = source_lines[0...(line_number - 1)].reduce(0) do |a, e|
+      a + e.length + "\n".length
+    end
+    Rubocop::Cop::Offence.new(severity,
+                              Parser::Source::Range.new(source_buffer,
+                                                        begin_pos,
+                                                        begin_pos + 1),
+                              message.capitalize,
+                              fake_cop_name)
   end
 
   def check_syntax(source)
     fail 'Must be running with MRI' unless RUBY_ENGINE == 'ruby'