Add TODO and FIXME checker

lib/face_control/checkers.rb

@@ -1,2 +1,3 @@
 require 'face_control/checkers/rubocop'
 require 'face_control/checkers/coffeelint'
+require 'face_control/checkers/comments'

lib/face_control/checkers/comments.rb

@@ -0,0 +1,32 @@
+require 'face_control/comment'
+
+module FaceControl
+  module Checkers
+    class Comments
+      def relevant_globs
+        %w(*.rb)
+      end
+
+      def command(filenames)
+        "grep -inEH '(todo|fixme)' #{filenames}"
+      end
+
+      def parse(command_output)
+        comments = []
+        unless command_output.empty?
+          command_output.each_line do |line|
+            file, line_num, description = line.split(":", 3)
+            comments.push(
+              Comment.new(
+                file: file,
+                line: line_num,
+                text: "File includes the annotation keyword: #{description}"
+              )
+            )
+          end
+        end
+        comments
+      end
+    end
+  end
+end

lib/face_control/cli.rb

@@ -28,7 +28,8 @@ def check(pull_request, ignored_severities, logger)
 
       checkers = [
         FaceControl::CheckerRunner.new(FaceControl::Checkers::RuboCop, filenames, ignored_severities: ignored_severities),
-        FaceControl::CheckerRunner.new(FaceControl::Checkers::CoffeeLint, filenames)
+        FaceControl::CheckerRunner.new(FaceControl::Checkers::CoffeeLint, filenames),
+        FaceControl::CheckerRunner.new(FaceControl::Checkers::Comments, filenames)
       ]
 
       checkers.map(&:comments).flatten

test/face_control/cli_test.rb

@@ -2,9 +2,9 @@
 
 class CLITest < Minitest::Test
   def test_check
-    pull_request = OpenStruct.new(filenames_with_added_lines: %w(test/fixtures/foo.rb test/fixtures/foo.coffee))
+    pull_request = OpenStruct.new(filenames_with_added_lines: %w(test/fixtures/foo.rb test/fixtures/commented.rb test/fixtures/foo.coffee))
     logger = Logger.new('/dev/null')
     comments = FaceControl::CLI.new.check(pull_request, %w(foo), logger)
-    assert_equal 2, comments.size
+    assert_equal 5, comments.size
   end
 end

test/fixtures/commented.rb

@@ -0,0 +1,7 @@
+class Foo
+  # FIXME: incorrect format of annotation keyword
+  # TODO: something
+  def something
+    "something"
+  end
+end