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# https://rails.lighthouseapp.com/projects/8994/tickets/6225-memcachestore-cant-deal-with-umlauts-and-special-characters
# The error is caused by character encodings that can't be compared with ASCII-8BIT regular expressions and by special
# characters like the umlaut in UTF-8.
module EncodedKeyCacheBehavior
Encoding.list.each do |encoding|
define_method "test_#{encoding.name.underscore}_encoded_values" do
key = "foo".dup.force_encoding(encoding)
assert @cache.write(key, "1", raw: true)
assert_equal "1", @cache.read(key)
assert_equal "1", @cache.fetch(key)
assert @cache.delete(key)
assert_equal "2", @cache.fetch(key, raw: true) { "2" }
assert_equal 3, @cache.increment(key)
assert_equal 2, @cache.decrement(key)
end
end
def test_common_utf8_values
key = "\xC3\xBCmlaut".dup.force_encoding(Encoding::UTF_8)
assert @cache.write(key, "1", raw: true)
assert_equal "1", @cache.read(key)
assert_equal "1", @cache.fetch(key)
assert @cache.delete(key)
assert_equal "2", @cache.fetch(key, raw: true) { "2" }
assert_equal 3, @cache.increment(key)
assert_equal 2, @cache.decrement(key)
end
def test_retains_encoding
key = "\xC3\xBCmlaut".dup.force_encoding(Encoding::UTF_8)
assert @cache.write(key, "1", raw: true)
assert_equal Encoding::UTF_8, key.encoding
end
end
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