https://git.ruby-lang.org/ruby.git/commit/?id=3b36e34b90

From 3b36e34b9081fc0e43b2fde484f6d07f45ddb2b1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20D=C3=BCrst?= <duerst@i...>
Date: Thu, 8 Jul 2021 14:40:47 +0900
Subject: Adapt test_emoji_breaks.rb to Unicode 13.0.0/Emoji 13.0

- Add UNICODE_VERSION,... to deal with new location of some
  of the emoji-related data files.
- Introduce class BreakFile to handle various file properties.
- Adapt main code to use BreakFile.
---
 test/ruby/enc/test_emoji_breaks.rb | 39 ++++++++++++++++++++++++++++----------
 1 file changed, 29 insertions(+), 10 deletions(-)

diff --git a/test/ruby/enc/test_emoji_breaks.rb b/test/ruby/enc/test_emoji_breaks.rb
index 7048d8d..8f73a72 100644
--- a/test/ruby/enc/test_emoji_breaks.rb
+++ b/test/ruby/enc/test_emoji_breaks.rb
@@ -31,22 +31,41 @@ class TestEmojiBreaks::BreakTest https://github.com/ruby/ruby/blob/trunk/test/ruby/enc/test_emoji_breaks.rb#L31
   end
 end
 
+class TestEmojiBreaks::BreakFile
+  attr_reader :basename, :fullname
+  FILES = []
+
+  def initialize(basename, path)
+    @basename = basename
+    @fullname = "#{path}/#{basename}.txt" # File.expand_path(path + version, __dir__)
+    FILES << self
+  end
+
+  def self.files
+    FILES
+  end
+end
+
 class TestEmojiBreaks < Test::Unit::TestCase
-  EMOJI_DATA_FILES = %w[emoji-sequences emoji-test emoji-variation-sequences emoji-zwj-sequences]
-  EMOJI_VERSION = RbConfig::CONFIG['UNICODE_EMOJI_VERSION']
-  EMOJI_DATA_PATH = File.expand_path("../../../enc/unicode/data/emoji/#{EMOJI_VERSION}", __dir__)
+  UNICODE_VERSION   = RbConfig::CONFIG['UNICODE_VERSION']
+  UNICODE_DATA_PATH = File.expand_path("../../../enc/unicode/data/#{UNICODE_VERSION}/ucd/emoji", __dir__)
+  EMOJI_VERSION     = RbConfig::CONFIG['UNICODE_EMOJI_VERSION']
+  EMOJI_DATA_PATH   = File.expand_path("../../../enc/unicode/data/emoji/#{EMOJI_VERSION}", __dir__)
 
-  def self.expand_filename(basename)
-    File.expand_path("#{EMOJI_DATA_PATH}/#{basename}.txt", __dir__)
+  EMOJI_DATA_FILES  = %w[emoji-sequences emoji-test emoji-zwj-sequences].map do |basename|
+    BreakFile.new(basename, EMOJI_DATA_PATH)
   end
+  UNICODE_DATA_FILE = BreakFile.new('emoji-variation-sequences', UNICODE_DATA_PATH)
+  EMOJI_DATA_FILES << UNICODE_DATA_FILE
 
   def self.data_files_available?
     EMOJI_DATA_FILES.all? do |f|
-      File.exist?(expand_filename(f))
+      File.exist?(f.fullname)
     end
   end
 
   def test_data_files_available
+    assert_equal 4, EMOJI_DATA_FILES.size # debugging test
     unless TestEmojiBreaks.data_files_available?
       skip "Emoji data files not available in #{EMOJI_DATA_PATH}."
     end
@@ -56,15 +75,15 @@ end https://github.com/ruby/ruby/blob/trunk/test/ruby/enc/test_emoji_breaks.rb#L75
 TestEmojiBreaks.data_files_available? and  class TestEmojiBreaks
   def read_data
     tests = []
-    EMOJI_DATA_FILES.each do |filename|
+    EMOJI_DATA_FILES.each do |file|
       version_mismatch = true
       file_tests = []
-      IO.foreach(TestEmojiBreaks.expand_filename(filename), encoding: Encoding::UTF_8) do |line|
+      IO.foreach(file.fullname, encoding: Encoding::UTF_8) do |line|
         line.chomp!
-        raise "File Name Mismatch"  if $.==1 and not line=="# #{filename}.txt"
+        raise "File Name Mismatch"  if $.==1 and not line=="# #{file.basename}.txt"
         version_mismatch = false  if line=="# Version: #{EMOJI_VERSION}"
         next  if /\A(#|\z)/.match? line
-        file_tests << BreakTest.new(filename, $., *line.split('#')) rescue 'whatever'
+        file_tests << BreakTest.new(file.basename, $., *line.split('#')) rescue 'whatever'
       end
       raise "File Version Mismatch"  if version_mismatch
       tests += file_tests
-- 
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