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Merge pull request #36825 from cpruitt/transliterate-frozen-us-ascii-strings

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Prevent error on transliterate with frozen strings
This commit is contained in:
Eileen M. Uchitelle 2019-07-31 13:04:58 -04:00 committed by GitHub
commit f66bfdb284
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2 changed files with 8 additions and 7 deletions
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1
activesupport/lib/active_support/inflector/transliterate.rb
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@ -60,6 +60,7 @@ module ActiveSupport
# Transliteration is restricted to UTF-8, US-ASCII and GB18030 strings
# Other encodings will raise an ArgumentError.
def transliterate(string, replacement = "?", locale: nil)
string = string.dup if string.frozen?
raise ArgumentError, "Can only transliterate strings. Received #{string.class.name}" unless string.is_a?(String)
allowed_encodings = [Encoding::UTF_8, Encoding::US_ASCII, Encoding::GB18030]

14
activesupport/test/transliterate_test.rb
View file

@ -59,19 +59,19 @@ class TransliterateTest < ActiveSupport::TestCase
end
def test_transliterate_handles_strings_with_valid_utf8_encodings
string = String.new("A", encoding: Encoding::UTF_8)
string = String.new("A", encoding: Encoding::UTF_8).freeze
assert_equal "A", ActiveSupport::Inflector.transliterate(string)
end
def test_transliterate_handles_strings_with_valid_us_ascii_encodings
string = String.new("A", encoding: Encoding::US_ASCII)
string = String.new("A", encoding: Encoding::US_ASCII).freeze
transcoded = ActiveSupport::Inflector.transliterate(string)
assert_equal "A", transcoded
assert_equal Encoding::US_ASCII, transcoded.encoding
end
def test_transliterate_handles_strings_with_valid_gb18030_encodings
string = String.new("A", encoding: Encoding::GB18030)
string = String.new("A", encoding: Encoding::GB18030).freeze
transcoded = ActiveSupport::Inflector.transliterate(string)
assert_equal "A", transcoded
assert_equal Encoding::GB18030, transcoded.encoding
@ -84,7 +84,7 @@ class TransliterateTest < ActiveSupport::TestCase
Encoding::GB18030
]
incompatible_encodings.each do |encoding|
string = String.new("", encoding: encoding)
string = String.new("", encoding: encoding).freeze
exception = assert_raises ArgumentError do
ActiveSupport::Inflector.transliterate(string)
end
@ -93,17 +93,17 @@ class TransliterateTest < ActiveSupport::TestCase
end
def test_transliterate_handles_strings_with_invalid_utf8_bytes
string = String.new("\255", encoding: Encoding::UTF_8)
string = String.new("\255", encoding: Encoding::UTF_8).freeze
assert_equal "?", ActiveSupport::Inflector.transliterate(string)
end
def test_transliterate_handles_strings_with_invalid_us_ascii_bytes
string = String.new("\255", encoding: Encoding::US_ASCII)
string = String.new("\255", encoding: Encoding::US_ASCII).freeze
assert_equal "?", ActiveSupport::Inflector.transliterate(string)
end
def test_transliterate_handles_strings_with_invalid_gb18030_bytes
string = String.new("\255", encoding: Encoding::GB18030)
string = String.new("\255", encoding: Encoding::GB18030).freeze
assert_equal "?", ActiveSupport::Inflector.transliterate(string)
end
end