From 33925f885f641fc26cee8b7e047e61b88c415839 Mon Sep 17 00:00:00 2001
From: Sven Riedel <sriedel@users.noreply.github.com>
Date: Mon, 28 Nov 2022 05:36:26 +0100
Subject: [PATCH] Add `--no-skipping-tests` option

---
 lib/rdoc/options.rb            | 12 ++++++++++
 lib/rdoc/rdoc.rb               | 16 ++++++++++++-
 test/rdoc/test_rdoc_options.rb | 11 +++++++++
 test/rdoc/test_rdoc_rdoc.rb    | 42 ++++++++++++++++++++++++++++++++++
 4 files changed, 80 insertions(+), 1 deletion(-)

diff --git a/lib/rdoc/options.rb b/lib/rdoc/options.rb
index 55994c9dcc..eed0f6b39b 100644
--- a/lib/rdoc/options.rb
+++ b/lib/rdoc/options.rb
@@ -339,6 +339,10 @@ class RDoc::Options
 
   attr_reader :visibility
 
+  ##
+  # Indicates if files of test suites should be skipped
+  attr_accessor :skip_tests
+
   def initialize loaded_options = nil # :nodoc:
     init_ivars
     override loaded_options if loaded_options
@@ -386,6 +390,7 @@ def init_ivars # :nodoc:
     @write_options = false
     @encoding = Encoding::UTF_8
     @charset = @encoding.name
+    @skip_tests = true
   end
 
   def init_with map # :nodoc:
@@ -778,6 +783,13 @@ def parse argv
 
       opt.separator nil
 
+      opt.on("--no-skipping-tests", nil,
+             "Don't skip generating documentation for test and spec files") do |value|
+        @skip_tests = false
+      end
+
+      opt.separator nil
+
       opt.on("--extension=NEW=OLD", "-E",
              "Treat files ending with .new as if they",
              "ended with .old. Using '-E cgi=rb' will",
diff --git a/lib/rdoc/rdoc.rb b/lib/rdoc/rdoc.rb
index 400f9b5bc3..2d8a9dea8c 100644
--- a/lib/rdoc/rdoc.rb
+++ b/lib/rdoc/rdoc.rb
@@ -35,6 +35,17 @@ class RDoc::RDoc
 
   GENERATORS = {}
 
+  ##
+  # List of directory names always skipped
+
+  UNCONDITIONALLY_SKIPPED_DIRECTORIES = %w[CVS .svn .git].freeze
+
+  ##
+  # List of directory names skipped if test suites should be skipped
+
+  TEST_SUITE_DIRECTORY_NAMES = %w[spec test].freeze
+
+
   ##
   # Generator instance used for creating output
 
@@ -280,7 +291,10 @@ def normalized_file_list(relative_files, force_doc = false,
           file_list[rel_file_name] = mtime
         end
       when "directory" then
-        next if rel_file_name == "CVS" || rel_file_name == ".svn"
+        next if UNCONDITIONALLY_SKIPPED_DIRECTORIES.include?(rel_file_name)
+
+        basename = File.basename(rel_file_name)
+        next if options.skip_tests && TEST_SUITE_DIRECTORY_NAMES.include?(basename)
 
         created_rid = File.join rel_file_name, "created.rid"
         next if File.file? created_rid
diff --git a/test/rdoc/test_rdoc_options.rb b/test/rdoc/test_rdoc_options.rb
index 009dcdd998..c71ee25cef 100644
--- a/test/rdoc/test_rdoc_options.rb
+++ b/test/rdoc/test_rdoc_options.rb
@@ -83,6 +83,7 @@ def test_to_yaml
       'title'                => nil,
       'visibility'           => :protected,
       'webcvs'               => nil,
+      'skip_tests'           => true,
     }
 
     assert_equal expected, coder
@@ -871,6 +872,16 @@ def test_load_options_no_file
     end
   end
 
+  def test_skip_test_default_value
+    @options.parse %w[]
+    assert_equal true, @options.skip_tests
+  end
+
+  def test_no_skip_test_value
+    @options.parse %w[--no-skipping-tests]
+    assert_equal false, @options.skip_tests
+  end
+
   class DummyCoder < Hash
     alias add :[]=
     def tag=(tag)
diff --git a/test/rdoc/test_rdoc_rdoc.rb b/test/rdoc/test_rdoc_rdoc.rb
index e958e5f2f6..853d7dad22 100644
--- a/test/rdoc/test_rdoc_rdoc.rb
+++ b/test/rdoc/test_rdoc_rdoc.rb
@@ -213,6 +213,48 @@ def test_normalized_file_list_with_dot_doc_overridden_by_exclude_option
     assert_equal expected_files, files
   end
 
+  def test_normalized_file_list_with_skipping_tests_enabled
+    files = temp_dir do |dir|
+      @a = File.expand_path('a.rb')
+      spec_dir = File.expand_path('spec')
+      spec_file = File.expand_path(File.join('spec', 'my_spec.rb'))
+      test_dir = File.expand_path('test')
+      test_file = File.expand_path(File.join('test', 'my_test.rb'))
+      FileUtils.touch @a
+      FileUtils.mkdir_p spec_dir
+      FileUtils.touch spec_file
+      FileUtils.mkdir_p test_dir
+      FileUtils.touch test_file
+
+      @rdoc.options.skip_tests = true
+      @rdoc.normalized_file_list [File.realpath(dir)]
+    end
+
+    files = files.map { |file, *| File.expand_path file }
+    assert_equal [@a], files
+  end
+
+  def test_normalized_file_list_with_skipping_tests_disabled
+    files = temp_dir do |dir|
+      @a = File.expand_path('a.rb')
+      spec_dir = File.expand_path('spec')
+      @spec_file = File.expand_path(File.join('spec', 'my_spec.rb'))
+      test_dir = File.expand_path('test')
+      @test_file = File.expand_path(File.join('test', 'my_test.rb'))
+      FileUtils.touch @a
+      FileUtils.mkdir_p spec_dir
+      FileUtils.touch @spec_file
+      FileUtils.mkdir_p test_dir
+      FileUtils.touch @test_file
+
+      @rdoc.options.skip_tests = false
+      @rdoc.normalized_file_list [File.realpath(dir)]
+    end
+
+    files = files.map { |file, *| File.expand_path file }
+    assert_equal [@a, @spec_file, @test_file], files.sort
+  end
+
   def test_parse_file
     @rdoc.store = RDoc::Store.new