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# frozen_string_literal: true
RSpec.describe JWT::JWK::Set do
describe '.new' do
it 'can create an empty set' do
expect(described_class.new.keys).to eql([])
end
context 'can create a set' do
it 'from a JWK' do
jwk = JWT::JWK.new 'testkey'
expect(described_class.new(jwk).keys).to eql([jwk])
end
it 'from a JWKS hash with symbol keys' do
jwks = { keys: [{ kty: 'oct', k: Base64.strict_encode64('testkey') }] }
jwk = JWT::JWK.new({ kty: 'oct', k: Base64.strict_encode64('testkey') })
expect(described_class.new(jwks).keys).to eql([jwk])
end
it 'from a JWKS hash with string keys' do
jwks = { 'keys' => [{ 'kty' => 'oct', 'k' => Base64.strict_encode64('testkey') }] }
jwk = JWT::JWK.new({ kty: 'oct', k: Base64.strict_encode64('testkey') })
expect(described_class.new(jwks).keys).to eql([jwk])
end
it 'from an array of keys' do
jwk = JWT::JWK.new 'testkey'
expect(described_class.new([jwk]).keys).to eql([jwk])
end
it 'from an existing JWT::JWK::Set' do
jwk = JWT::JWK.new({ kty: 'oct', k: Base64.strict_encode64('testkey') })
jwks = described_class.new(jwk)
expect(described_class.new(jwks)).to eql(jwks)
end
end
it 'raises an error on invalid inputs' do
expect { described_class.new(42) }.to raise_error(ArgumentError)
end
end
describe '.export' do
it 'exports the JWKS to Hash' do
jwk = JWT::JWK.new({ kty: 'oct', k: Base64.strict_encode64('testkey') })
jwks = described_class.new(jwk)
exported = jwks.export
expect(exported[:keys].size).to eql(1)
expect(exported[:keys][0]).to eql(jwk.export)
end
end
describe '.eql?' do
it 'correctly classifies equal sets' do
jwk = JWT::JWK.new({ kty: 'oct', k: Base64.strict_encode64('testkey') })
jwks1 = described_class.new(jwk)
jwks2 = described_class.new(jwk)
expect(jwks1).to eql(jwks2)
end
it 'correctly classifies different sets' do
jwk1 = JWT::JWK.new({ kty: 'oct', k: Base64.strict_encode64('testkey') })
jwk2 = JWT::JWK.new({ kty: 'oct', k: Base64.strict_encode64('testkex') })
jwks1 = described_class.new(jwk1)
jwks2 = described_class.new(jwk2)
expect(jwks1).not_to eql(jwks2)
end
end
# TODO: No idea why this does not work. eql? returns true for the two elements,
# but Array#uniq! doesn't recognize this, despite the documentation saying otherwise
describe '.uniq!' do
it 'filters out equal keys' do
jwk = JWT::JWK.new({ kty: 'oct', k: Base64.strict_encode64('testkey') })
jwk2 = JWT::JWK.new({ kty: 'oct', k: Base64.strict_encode64('testkey') })
jwks = described_class.new([jwk, jwk2])
jwks.uniq!
expect(jwks.keys.size).to eql(1)
end
end
describe '.select!' do
it 'filters the keyset' do
jwks = described_class.new([])
jwks << JWT::JWK.new(test_pkey('rsa-2048-private.pem'))
jwks << JWT::JWK.new(test_pkey('ec384-private.pem'))
jwks.select! { |k| k[:kty] == 'RSA' }
expect(jwks.size).to eql(1)
expect(jwks.keys[0][:kty]).to eql('RSA')
end
end
describe '.reject!' do
it 'filters the keyset' do
jwks = described_class.new([])
jwks << JWT::JWK.new(test_pkey('rsa-2048-private.pem'))
jwks << JWT::JWK.new(test_pkey('ec384-private.pem'))
jwks.reject! { |k| k[:kty] == 'RSA' }
expect(jwks.size).to eql(1)
expect(jwks.keys[0][:kty]).to eql('EC')
end
end
describe '.merge' do
context 'merges two JWKSs' do
it 'when called via .union' do
jwks1 = described_class.new(JWT::JWK.new(test_pkey('rsa-2048-private.pem')))
jwks2 = described_class.new(JWT::JWK.new(test_pkey('ec384-private.pem')))
jwks3 = jwks1.union(jwks2)
expect(jwks1.size).to eql(1)
expect(jwks2.size).to eql(1)
expect(jwks3.size).to eql(2)
expect(jwks3.keys).to include(jwks1.keys[0])
expect(jwks3.keys).to include(jwks2.keys[0])
end
it 'when called via "|" operator' do
jwks1 = described_class.new(JWT::JWK.new(test_pkey('rsa-2048-private.pem')))
jwks2 = described_class.new(JWT::JWK.new(test_pkey('ec384-private.pem')))
jwks3 = jwks1 | jwks2
expect(jwks1.size).to eql(1)
expect(jwks2.size).to eql(1)
expect(jwks3.size).to eql(2)
expect(jwks3.keys).to include(jwks1.keys[0])
expect(jwks3.keys).to include(jwks2.keys[0])
end
it 'when called directly' do
jwks1 = described_class.new(JWT::JWK.new(test_pkey('rsa-2048-private.pem')))
jwks2 = described_class.new(JWT::JWK.new(test_pkey('ec384-private.pem')))
jwks3 = jwks1.merge(jwks2)
expect(jwks1.size).to eql(2)
expect(jwks2.size).to eql(1)
expect(jwks3).to eql(jwks1)
expect(jwks3.keys).to include(jwks2.keys[0])
end
end
end
end
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