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55f9b8129a
Style/SpaceBeforeBlockBraces Style/SpaceInsideBlockBraces Style/SpaceInsideHashLiteralBraces Fix all violations in the repository.
62 lines
2 KiB
Ruby
62 lines
2 KiB
Ruby
# encoding: utf-8
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require "abstract_unit"
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require "multibyte_test_helpers"
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require "fileutils"
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require "open-uri"
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require "tmpdir"
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class MultibyteGraphemeBreakConformanceTest < ActiveSupport::TestCase
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include MultibyteTestHelpers
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UNIDATA_FILE = "/auxiliary/GraphemeBreakTest.txt"
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RUN_P = begin
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Downloader.download(UNIDATA_URL + UNIDATA_FILE, CACHE_DIR + UNIDATA_FILE)
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rescue
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end
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def setup
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skip "Unable to download test data" unless RUN_P
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end
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def test_breaks
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each_line_of_break_tests do |*cols|
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*clusters, comment = *cols
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packed = ActiveSupport::Multibyte::Unicode.pack_graphemes(clusters)
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assert_equal clusters, ActiveSupport::Multibyte::Unicode.unpack_graphemes(packed), comment
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end
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end
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protected
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def each_line_of_break_tests(&block)
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lines = 0
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max_test_lines = 0 # Don't limit below 21, because that's the header of the testfile
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File.open(File.join(CACHE_DIR, UNIDATA_FILE), "r") do | f |
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until f.eof? || (max_test_lines > 21 and lines > max_test_lines)
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lines += 1
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line = f.gets.chomp!
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next if line.empty? || line.start_with?("#")
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cols, comment = line.split("#")
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# Cluster breaks are represented by ÷
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clusters = cols.split("÷").map { |e| e.strip }.reject { |e| e.empty? }
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clusters = clusters.map do |cluster|
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# Codepoints within each cluster are separated by ×
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codepoints = cluster.split("×").map { |e| e.strip }.reject { |e| e.empty? }
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# codepoints are in hex in the test suite, pack wants them as integers
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codepoints.map { |codepoint| codepoint.to_i(16) }
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end
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# The tests contain a solitary U+D800 <Non Private Use High
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# Surrogate, First> character, which Ruby does not allow to stand
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# alone in a UTF-8 string. So we'll just skip it.
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next if clusters.flatten.include?(0xd800)
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clusters << comment.strip
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yield(*clusters)
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end
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end
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end
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end
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