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122 lines
4.1 KiB
Ruby
122 lines
4.1 KiB
Ruby
# frozen_string_literal: true
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# Copyright © 2018 Martin J. Dürst (duerst@it.aoyama.ac.jp)
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require "test/unit"
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class TestEmojiBreaks < Test::Unit::TestCase
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end
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class TestEmojiBreaks::BreakTest
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attr_reader :string, :comment, :filename, :line_number, :type, :shortname
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def initialize(filename, line_number, data, comment='')
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@filename = filename
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@line_number = line_number
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@comment = comment.gsub(/\s+/, ' ').strip
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if filename=='emoji-test'
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codes, @type = data.split(/\s*;\s*/)
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@shortname = ''
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else
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codes, @type, @shortname = data.split(/\s*;\s*/)
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end
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@type = @type.gsub(/\s+/, ' ').strip
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@shortname = @shortname.gsub(/\s+/, ' ').strip
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@string = codes.split(/\s+/)
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.map do |ch|
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c = ch.to_i(16)
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# eliminate cases with surrogates
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# raise ArgumentError if 0xD800 <= c and c <= 0xDFFF
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c.chr('UTF-8')
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end.join
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end
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end
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class TestEmojiBreaks < Test::Unit::TestCase
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EMOJI_DATA_FILES = %w[emoji-sequences emoji-test emoji-variation-sequences emoji-zwj-sequences]
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EMOJI_VERSION = RbConfig::CONFIG['UNICODE_EMOJI_VERSION']
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EMOJI_DATA_PATH = File.expand_path("../../../enc/unicode/data/emoji/#{EMOJI_VERSION}", __dir__)
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def self.expand_filename(basename)
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File.expand_path("#{EMOJI_DATA_PATH}/#{basename}.txt", __dir__)
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end
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def self.data_files_available?
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EMOJI_DATA_FILES.all? do |f|
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File.exist?(expand_filename(f))
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end
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end
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def test_data_files_available
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unless TestEmojiBreaks.data_files_available?
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skip "Emoji data files not available in #{EMOJI_DATA_PATH}."
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end
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end
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end
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TestEmojiBreaks.data_files_available? and class TestEmojiBreaks
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def read_data
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tests = []
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EMOJI_DATA_FILES.each do |filename|
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version_mismatch = true
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file_tests = []
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IO.foreach(TestEmojiBreaks.expand_filename(filename), encoding: Encoding::UTF_8) do |line|
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line.chomp!
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raise "File Name Mismatch" if $.==1 and not line=="# #{filename}.txt"
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version_mismatch = false if line=="# Version: #{EMOJI_VERSION}"
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next if /\A(#|\z)/.match? line
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file_tests << BreakTest.new(filename, $., *line.split('#')) rescue 'whatever'
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end
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raise "File Version Mismatch" if version_mismatch
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tests += file_tests
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end
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tests
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end
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def all_tests
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@@tests ||= read_data
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rescue Errno::ENOENT
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@@tests ||= []
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end
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def test_single_emoji
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all_tests.each do |test|
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expected = [test.string]
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actual = test.string.each_grapheme_cluster.to_a
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assert_equal expected, actual,
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"file: #{test.filename}, line #{test.line_number}, " +
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"type: #{test.type}, shortname: #{test.shortname}, comment: #{test.comment}"
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end
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end
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def test_embedded_emoji
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all_tests.each do |test|
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expected = ["\t", test.string, "\t"]
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actual = "\t#{test.string}\t".each_grapheme_cluster.to_a
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assert_equal expected, actual,
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"file: #{test.filename}, line #{test.line_number}, " +
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"type: #{test.type}, shortname: #{test.shortname}, comment: #{test.comment}"
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end
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end
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# test some pseodorandom combinations of emoji
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def test_mixed_emoji
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srand 0
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length = all_tests.length
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step = 503 # use a prime number
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all_tests.each do |test1|
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start = rand step
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start.step(by: step, to: length-1) do |t2|
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test2 = all_tests[t2]
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# exclude skin tones, because they glue to previous grapheme clusters
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next if (0x1F3FB..0x1F3FF).include? test2.string.ord
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expected = [test1.string, test2.string]
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actual = (test1.string+test2.string).each_grapheme_cluster.to_a
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assert_equal expected, actual,
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"file1: #{test1.filename}, line1 #{test1.line_number}, " +
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"file2: #{test2.filename}, line2 #{test2.line_number},\n" +
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"type1: #{test1.type}, shortname1: #{test1.shortname}, comment1: #{test1.comment},\n" +
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"type2: #{test2.type}, shortname2: #{test2.shortname}, comment2: #{test2.comment}"
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end
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end
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end
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end
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