src/ruby/spec/server_credentials_spec.rb

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require 'grpc'

def load_test_certs
  test_root = File.join(File.dirname(__FILE__), 'testdata')
  files = ['ca.pem', 'server1.pem', 'server1.key']
  files.map { |f| File.open(File.join(test_root, f)).read }
end

describe GRPC::Core::ServerCredentials do
  Creds = GRPC::Core::ServerCredentials

  describe '#new' do
    it 'can be constructed from a fake CA PEM, server PEM and a server key' do
      expect { Creds.new('a', 'b', 'c') }.not_to raise_error
    end

    it 'can be constructed using the test certificates' do
      certs = load_test_certs
      expect { Creds.new(*certs) }.not_to raise_error
    end

    it 'cannot be constructed without a server cert chain' do
      root_cert, server_key, _ = load_test_certs
      blk = proc { Creds.new(root_cert, server_key, nil) }
      expect(&blk).to raise_error
    end

    it 'cannot be constructed without a server key' do
      root_cert, _, _ = load_test_certs
      blk = proc { Creds.new(root_cert, nil, cert_chain) }
      expect(&blk).to raise_error
    end

    it 'can be constructed without a root_cret' do
      _, server_key, cert_chain = load_test_certs
      blk = proc { Creds.new(nil, server_key, cert_chain) }
      expect(&blk).to_not raise_error
    end
  end
end