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Merge pull request #51937 from rails/fxn/nil-uuid

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Define Digest::UUID.nil_uuid
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Xavier Noria 2024-05-29 14:50:16 +02:00 committed by GitHub
commit b9f814ad86
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2 changed files with 10 additions and 0 deletions
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6
activesupport/lib/active_support/core_ext/digest/uuid.rb
View File

@ -53,6 +53,12 @@ def self.uuid_v4
SecureRandom.uuid
end
# Returns the nil UUID. This is a special form of UUID that is specified to
# have all 128 bits set to zero.
def self.nil_uuid
"00000000-0000-0000-0000-000000000000"
end
def self.pack_uuid_namespace(namespace)
if [DNS_NAMESPACE, OID_NAMESPACE, URL_NAMESPACE, X500_NAMESPACE].include?(namespace)
namespace

4
activesupport/test/core_ext/digest/uuid_test.rb
View File

@ -55,6 +55,10 @@ def test_v5_uuids_with_rfc4122_namespaced_uuids_enabled
end
end
def test_nil_uuid
assert_equal "00000000-0000-0000-0000-000000000000", Digest::UUID.nil_uuid
end
def test_invalid_hash_class
assert_raise ArgumentError do
Digest::UUID.uuid_from_hash(OpenSSL::Digest::SHA256, Digest::UUID::OID_NAMESPACE, "1.2.3")