Top Level Namespace

Defined Under Namespace

Modules: GRPC, Grpc, Math, RubyLogger, StdoutLogger Classes: Args, AssertionError, BidiService, BlockingEnumerator, Calculator, CheckCallAfterFinishedService, ConfigureTarget, DebugIsTruncated, DebugMessageTestService, EchoMsg, EchoService, EmptyService, EncodeDecodeMsg, EnumeratorQueue, FailingService, Fibber, FullDuplexEnumerator, GoodMsg, GoogleRpcStatusTestService, NamedTests, NoProto, NoProtoMsg, NoProtoService, NoRpcImplementation, NoStatusDetailsBinTestService, PingPongPlayer, RpcConfig, SlowService, SslTestService, StatsPerMethod, Struct, SynchronizedCancellationService, TestClientInterceptor, TestServerInterceptor, TestTarget, UserAgentEchoService, WriteFlagSettingStreamingInputEnumerable

Constant Summary collapse

AUTH_ENV =
Google::Auth::CredentialsLoader::ENV_VAR
Server =
GRPC::Core::Server
NoProtoStub =
NoProtoService.rpc_stub_class
UserAgentEchoServiceStub =
UserAgentEchoService.rpc_stub_class
SslTestServiceStub =
SslTestService.rpc_stub_class
EchoStub =
EchoService.rpc_stub_class
TimeConsts =
GRPC::Core::TimeConsts
StatusCodes =
GRPC::Core::StatusCodes
TEST_DEBUG_MESSAGE =
'raised by test server'.freeze
DebugMessageTestServiceStub =
DebugMessageTestService.rpc_stub_class
GenericService =
GRPC::GenericService
Dsl =
GenericService::Dsl
FailingStub =
FailingService.rpc_stub_class
SlowStub =
SlowService.rpc_stub_class
SynchronizedCancellationStub =
SynchronizedCancellationService.rpc_stub_class
CheckCallAfterFinishedServiceStub =
CheckCallAfterFinishedService.rpc_stub_class
BidiStub =
BidiService.rpc_stub_class
GoogleRpcStatusTestStub =
GoogleRpcStatusTestService.rpc_stub_class
NoStatusDetailsBinTestServiceStub =
NoStatusDetailsBinTestService.rpc_stub_class

Constants included from GRPC::Spec::Helpers

GRPC::Spec::Helpers::RpcServer

Constants included from GRPC::Core::StatusCodes

GRPC::Core::StatusCodes::ABORTED, GRPC::Core::StatusCodes::ALREADY_EXISTS, GRPC::Core::StatusCodes::CANCELLED, GRPC::Core::StatusCodes::DATA_LOSS, GRPC::Core::StatusCodes::DEADLINE_EXCEEDED, GRPC::Core::StatusCodes::FAILED_PRECONDITION, GRPC::Core::StatusCodes::INTERNAL, GRPC::Core::StatusCodes::INVALID_ARGUMENT, GRPC::Core::StatusCodes::NOT_FOUND, GRPC::Core::StatusCodes::OK, GRPC::Core::StatusCodes::OUT_OF_RANGE, GRPC::Core::StatusCodes::PERMISSION_DENIED, GRPC::Core::StatusCodes::RESOURCE_EXHAUSTED, GRPC::Core::StatusCodes::UNAUTHENTICATED, GRPC::Core::StatusCodes::UNAVAILABLE, GRPC::Core::StatusCodes::UNIMPLEMENTED, GRPC::Core::StatusCodes::UNKNOWN

Instance Method Summary collapse

Methods included from GRPC::Spec::Helpers

#build_insecure_stub, #build_rpc_server, #new_core_server_for_testing, #new_rpc_server_for_testing, #run_services_on_server, #update_server_args_hash

Methods included from GRPC::Core::TimeConsts

from_relative_time

Instance Method Details

#_check_args(args) ⇒ Object



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# File 'src/ruby/pb/test/client.rb', line 767

def _check_args(args)
  %w(server_host server_port test_case).each do |a|
    if args[a].nil?
      fail(OptionParser::MissingArgument, "please specify --#{a}")
    end
  end
  args
end

#assert(msg = 'unknown cause') ⇒ Object

Fails with AssertionError if the block does evaluate to true



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# File 'src/ruby/pb/test/client.rb', line 66

def assert(msg = 'unknown cause')
  fail 'No assertion block provided' unless block_given?
  fail AssertionError, msg unless yield
end

#can_run_codegen_checkObject



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# File 'src/ruby/spec/pb/health/checker_spec.rb', line 21

def can_run_codegen_check
  system('which grpc_ruby_plugin') && system('which protoc')
end

#check_md(wanted_md, received_md) ⇒ Object



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# File 'src/ruby/spec/generic/rpc_server_spec.rb', line 22

def check_md(wanted_md, received_md)
  wanted_md.zip(received_md).each do |w, r|
    w.each do |key, value|
      expect(r[key]).to eq(value)
    end
  end
end

#check_op_view_of_finished_client_call(op_view, expected_metadata, expected_trailing_metadata) ⇒ Object

check that methods on a finished/closed call t crash



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# File 'src/ruby/spec/generic/client_stub_spec.rb', line 40

def check_op_view_of_finished_client_call(op_view,
                                          ,
                                          )
  # use read_response_stream to try to iterate through
  # possible response stream
  fail('need something to attempt reads') unless block_given?
  expect do
    resp = op_view.execute
    yield resp
  end.to raise_error(GRPC::Core::CallError)

  expect { op_view.start_call }.to raise_error(RuntimeError)

  sanity_check_values_of_accessors(op_view,
                                   ,
                                   )

  expect do
    op_view.wait
    op_view.cancel
    op_view.write_flag = 1
  end.to_not raise_error
end

#client_certObject



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# File 'src/ruby/spec/client_auth_spec.rb', line 24

def client_cert
  test_root = File.join(File.dirname(__FILE__), 'testdata')
  cert = File.open(File.join(test_root, 'client.pem')).read
  fail unless cert.is_a?(String)
  cert
end

#close_active_server_call(active_server_call) ⇒ Object



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# File 'src/ruby/spec/generic/client_stub_spec.rb', line 86

def close_active_server_call(active_server_call)
  active_server_call.send(:set_input_stream_done)
  active_server_call.send(:set_output_stream_done)
end

#create_channel_credsObject



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# File 'src/ruby/spec/client_auth_spec.rb', line 17

def create_channel_creds
  test_root = File.join(File.dirname(__FILE__), 'testdata')
  files = ['ca.pem', 'client.key', 'client.pem']
  creds = files.map { |f| File.open(File.join(test_root, f)).read }
  GRPC::Core::ChannelCredentials.new(creds[0], creds[1], creds[2])
end

#create_server_credsObject



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# File 'src/ruby/spec/client_auth_spec.rb', line 31

def create_server_creds
  test_root = File.join(File.dirname(__FILE__), 'testdata')
  GRPC.logger.info("test root: #{test_root}")
  files = ['ca.pem', 'server1.key', 'server1.pem']
  creds = files.map { |f| File.open(File.join(test_root, f)).read }
  GRPC::Core::ServerCredentials.new(
    creds[0],
    [{ private_key: creds[1], cert_chain: creds[2] }],
    true) # force client auth
end

#create_stub(opts) ⇒ Object

creates a test stub



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# File 'src/ruby/pb/test/client.rb', line 97

def create_stub(opts)
  address = "#{opts.server_host}:#{opts.server_port}"

  # Provide channel args that request compression by default
  # for compression interop tests
  if ['client_compressed_unary',
      'client_compressed_streaming'].include?(opts.test_case)
    compression_options =
      GRPC::Core::CompressionOptions.new(default_algorithm: :gzip)
    compression_channel_args = compression_options.to_channel_arg_hash
  else
    compression_channel_args = {}
  end

  if opts.secure
    creds = ssl_creds(opts.use_test_ca)
    stub_opts = {
      channel_args: {}
    }
    unless opts.server_host_override.empty?
      stub_opts[:channel_args].merge!({
          GRPC::Core::Channel::SSL_TARGET => opts.server_host_override
      })
    end

    # Add service account creds if specified
    wants_creds = %w(all compute_engine_creds service_account_creds)
    if wants_creds.include?(opts.test_case)
      unless opts.oauth_scope.nil?
        auth_creds = Google::Auth.get_application_default(opts.oauth_scope)
        call_creds = GRPC::Core::CallCredentials.new(auth_creds.updater_proc)
        creds = creds.compose call_creds
      end
    end

    if opts.test_case == 'oauth2_auth_token'
      auth_creds = Google::Auth.get_application_default(opts.oauth_scope)
      kw = auth_creds.updater_proc.call({})  # gives as an auth token

      # use a metadata update proc that just adds the auth token.
      call_creds = GRPC::Core::CallCredentials.new(proc { |md| md.merge(kw) })
      creds = creds.compose call_creds
    end

    if opts.test_case == 'jwt_token_creds'  # don't use a scope
      auth_creds = Google::Auth.get_application_default
      call_creds = GRPC::Core::CallCredentials.new(auth_creds.updater_proc)
      creds = creds.compose call_creds
    end

    GRPC.logger.info("... connecting securely to #{address}")
    stub_opts[:channel_args].merge!(compression_channel_args)
    if opts.test_case == "unimplemented_service"
      Grpc::Testing::UnimplementedService::Stub.new(address, creds, **stub_opts)
    else
      Grpc::Testing::TestService::Stub.new(address, creds, **stub_opts)
    end
  else
    GRPC.logger.info("... connecting insecurely to #{address}")
    if opts.test_case == "unimplemented_service"
      Grpc::Testing::UnimplementedService::Stub.new(
        address,
        :this_channel_is_insecure,
        channel_args: compression_channel_args
      )
    else
      Grpc::Testing::TestService::Stub.new(
        address,
        :this_channel_is_insecure,
        channel_args: compression_channel_args
      )
    end
  end
end

#debug_symbols_output_dirObject



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# File 'src/ruby/ext/grpc/extconf.rb', line 34

def debug_symbols_output_dir
  d = ENV['GRPC_RUBY_DEBUG_SYMBOLS_OUTPUT_DIR']
  return nil if d.nil? or d.size == 0
  d
end

#do_div(stub) ⇒ Object



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# File 'src/ruby/bin/math_client.rb', line 44

def do_div(stub)
  GRPC.logger.info('request_response')
  GRPC.logger.info('----------------')
  req = Math::DivArgs.new(dividend: 7, divisor: 3)
  GRPC.logger.info("div(7/3): req=#{req.inspect}")
  resp = stub.div(req)
  GRPC.logger.info("Answer: #{resp.inspect}")
  GRPC.logger.info('----------------')
end

#do_div_many(stub) ⇒ Object



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# File 'src/ruby/bin/math_client.rb', line 77

def do_div_many(stub)
  GRPC.logger.info('bidi_streamer')
  GRPC.logger.info('-------------')
  reqs = []
  reqs << Math::DivArgs.new(dividend: 7, divisor: 3)
  reqs << Math::DivArgs.new(dividend: 5, divisor: 2)
  reqs << Math::DivArgs.new(dividend: 7, divisor: 2)
  GRPC.logger.info("div(7/3), div(5/2), div(7/2): reqs=#{reqs.inspect}")
  resp = stub.div_many(reqs)
  resp.each do |r|
    GRPC.logger.info("Answer: #{r.inspect}")
  end
  GRPC.logger.info('----------------')
end

#do_fib(stub) ⇒ Object



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# File 'src/ruby/bin/math_client.rb', line 65

def do_fib(stub)
  GRPC.logger.info('server_streamer')
  GRPC.logger.info('----------------')
  req = Math::FibArgs.new(limit: 11)
  GRPC.logger.info("fib(11): req=#{req.inspect}")
  resp = stub.fib(req)
  resp.each do |r|
    GRPC.logger.info("Answer: #{r.inspect}")
  end
  GRPC.logger.info('----------------')
end

#do_sum(stub) ⇒ Object



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# File 'src/ruby/bin/math_client.rb', line 54

def do_sum(stub)
  # to make client streaming requests, pass an enumerable of the inputs
  GRPC.logger.info('client_streamer')
  GRPC.logger.info('---------------')
  reqs = [1, 2, 3, 4, 5].map { |x| Math::Num.new(num: x) }
  GRPC.logger.info("sum(1, 2, 3, 4, 5): reqs=#{reqs.inspect}")
  resp = stub.sum(reqs)  # reqs.is_a?(Enumerable)
  GRPC.logger.info("Answer: #{resp.inspect}")
  GRPC.logger.info('---------------')
end

#env_append(name, string) ⇒ Object



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# File 'src/ruby/ext/grpc/extconf.rb', line 72

def env_append(name, string)
  ENV[name] += ' ' + string
end

#env_unset?(name) ⇒ Boolean

Returns:

  • (Boolean)


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# File 'src/ruby/ext/grpc/extconf.rb', line 55

def env_unset?(name)
  ENV[name].nil? || ENV[name].size == 0
end

#execute_rpc_in_thread(op, rpc) ⇒ Object



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# File 'src/ruby/pb/test/xds_client.rb', line 193

def execute_rpc_in_thread(op, rpc)
  Thread.new {
    rpc_stats_key = rpc.to_s
    remote_peer = ""
    begin
      op.execute
      if op..key?('hostname')
        remote_peer = op.['hostname']
      end
      $accumulated_stats_mu.synchronize do
        $num_rpcs_succeeded_by_method[rpc_stats_key] += 1
        $accumulated_method_stats[rpc_stats_key].add_result(0)
      end
    rescue GRPC::BadStatus => e
      $accumulated_stats_mu.synchronize do
        $num_rpcs_failed_by_method[rpc_stats_key] += 1
        $accumulated_method_stats[rpc_stats_key].add_result(e.code)
      end
    end
    $thread_results_mu.synchronize do
      $thread_results << [rpc, remote_peer]
    end
  }
end

#ext_export_filenameObject



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# File 'src/ruby/ext/grpc/extconf.rb', line 169

def ext_export_filename()
  name = 'ext-export'
  name += '-truffleruby' if RUBY_ENGINE == 'truffleruby'
  name += '-with-ruby-abi-version' if have_ruby_abi_version()
  name
end

#have_ruby_abi_versionObject



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# File 'src/ruby/ext/grpc/extconf.rb', line 149

def have_ruby_abi_version()
  return true if RUBY_ENGINE == 'truffleruby'
  # ruby_abi_version is only available in development versions: https://github.com/ruby/ruby/pull/6231
  return false if RUBY_PATCHLEVEL >= 0

  m = /(\d+)\.(\d+)/.match(RUBY_VERSION)
  if m.nil?
    puts "Failed to parse ruby version: #{RUBY_VERSION}. Assuming ruby_abi_version symbol is NOT present."
    return false
  end
  major = m[1].to_i
  minor = m[2].to_i
  if major >= 3 and minor >= 2
    puts "Ruby version #{RUBY_VERSION} >= 3.2. Assuming ruby_abi_version symbol is present."
    return true
  end
  puts "Ruby version #{RUBY_VERSION} < 3.2. Assuming ruby_abi_version symbol is NOT present."
  false
end

#inherit_env_or_rbconfig(name) ⇒ Object



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# File 'src/ruby/ext/grpc/extconf.rb', line 59

def inherit_env_or_rbconfig(name)
  ENV[name] = inherit_rbconfig(name) if env_unset?(name)
end

#inherit_rbconfig(name, linker_flag: false) ⇒ Object



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# File 'src/ruby/ext/grpc/extconf.rb', line 63

def inherit_rbconfig(name, linker_flag: false)
  value = RbConfig::CONFIG[name] || ''
  if linker_flag
    value = maybe_remove_strip_all_linker_flag(value)
  end
  p "extconf.rb setting ENV[#{name}] = #{value}"
  ENV[name] = value
end

#load_test_certsObject

loads the certificates by the test server.



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# File 'src/ruby/pb/test/client.rb', line 72

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

#mainObject



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# File 'src/ruby/pb/test/client.rb', line 776

def main
  opts = parse_args
  stub = create_stub(opts)
  NamedTests.new(stub, opts).method(opts['test_case']).call
  p "OK: #{opts['test_case']}"
end

#maybe_echo_metadata(_call) ⇒ Object



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# File 'src/ruby/pb/test/server.rb', line 117

def (_call)
  
  # these are consistent for all interop tests
   = "x-grpc-test-echo-initial"
   = "x-grpc-test-echo-trailing-bin"

  if _call..has_key?()
    _call.[] = _call.[]
  end
  if _call..has_key?()
    _call.[] = _call.[]
  end
end

#maybe_echo_status_and_message(req) ⇒ Object



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# File 'src/ruby/pb/test/server.rb', line 131

def maybe_echo_status_and_message(req)
  unless req.response_status.nil?
    fail GRPC::BadStatus.new_status_exception(
        req.response_status.code, req.response_status.message)
  end
end

#maybe_remove_strip_all_linker_flag(flags) ⇒ Object



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# File 'src/ruby/ext/grpc/extconf.rb', line 40

def maybe_remove_strip_all_linker_flag(flags)
  if debug_symbols_output_dir
    # Hack to prevent automatic stripping during shared library linking.
    # rake-compiler-dock sets the -s LDFLAG when building rubies for
    # cross compilation, and this -s flag propagates into RbConfig. Stripping
    # during the link is problematic because it prevents us from saving
    # debug symbols. We want to first link our shared library, then save
    # debug symbols, and only after that strip.
    flags = flags.split(' ')
    flags = flags.reject {|flag| flag == '-s'}
    flags = flags.join(' ')
  end
  flags
end

#nulls(l) ⇒ Object

produces a string of null chars (0) of length l.



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# File 'src/ruby/pb/test/client.rb', line 173

def nulls(l)
  fail 'requires #{l} to be +ve' if l < 0
  [].pack('x' * l).force_encoding('ascii-8bit')
end

#parse_argsObject

validates the command line options, returning them as a Hash.



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# File 'src/ruby/pb/test/client.rb', line 730

def parse_args
  args = Args.new
  args.server_host_override = ''
  OptionParser.new do |opts|
    opts.on('--oauth_scope scope',
            'Scope for OAuth tokens') { |v| args['oauth_scope'] = v }
    opts.on('--server_host SERVER_HOST', 'server hostname') do |v|
      args['server_host'] = v
    end
    opts.on('--default_service_account email_address',
            'email address of the default service account') do |v|
      args['default_service_account'] = v
    end
    opts.on('--server_host_override HOST_OVERRIDE',
            'override host via a HTTP header') do |v|
      args['server_host_override'] = v
    end
    opts.on('--server_port SERVER_PORT', 'server port') do |v|
      args['server_port'] = v
    end
    # instance_methods(false) gives only the methods defined in that class
    test_cases = NamedTests.instance_methods(false).map(&:to_s)
    test_case_list = test_cases.join(',')
    opts.on('--test_case CODE', test_cases, {}, 'select a test_case',
            "  (#{test_case_list})") { |v| args['test_case'] = v }
    opts.on('--use_tls USE_TLS', ['false', 'true'],
            'require a secure connection?') do |v|
      args['secure'] = v == 'true'
    end
    opts.on('--use_test_ca USE_TEST_CA', ['false', 'true'],
            'if secure, use the test certificate?') do |v|
      args['use_test_ca'] = v == 'true'
    end
  end.parse!
  _check_args(args)
end

#parse_optionsObject

validates the command line options, returning them as a Hash.



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# File 'src/ruby/pb/test/server.rb', line 215

def parse_options
  options = {
    'port' => nil,
    'secure' => false
  }
  OptionParser.new do |opts|
    opts.banner = 'Usage: --port port'
    opts.on('--port PORT', 'server port') do |v|
      options['port'] = v
    end
    opts.on('--use_tls USE_TLS', ['false', 'true'],
            'require a secure connection?') do |v|
      options['secure'] = v == 'true'
    end
  end.parse!

  if options['port'].nil?
    fail(OptionParser::MissingArgument, 'please specify --port')
  end
  options
end

#prod_credsObject

creates SSL Credentials from the production certificates.



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# File 'src/ruby/pb/test/client.rb', line 86

def prod_creds
  GRPC::Core::ChannelCredentials.new()
end

#run_test_loop(stub, target_seconds_between_rpcs, fail_on_failed_rpcs) ⇒ Object

send 1 rpc every 1/qps second



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# File 'src/ruby/pb/test/xds_client.rb', line 219

def run_test_loop(stub, target_seconds_between_rpcs, fail_on_failed_rpcs)
  include Grpc::Testing
  simple_req = SimpleRequest.new()
  empty_req = Empty.new()
  target_next_start = Process.clock_gettime(Process::CLOCK_MONOTONIC)
  # Some RPCs are meant to be "kept open". Since Ruby does not have an
  # async API, we are executing those RPCs in a thread so that they don't
  # block.
  keep_open_threads = Array.new
  while !$shutdown
    now = Process.clock_gettime(Process::CLOCK_MONOTONIC)
    sleep_seconds = target_next_start - now
    if sleep_seconds < 0
      target_next_start = now + target_seconds_between_rpcs
    else
      target_next_start += target_seconds_between_rpcs
      sleep(sleep_seconds)
    end
    deadline_sec = $rpc_config.timeout_sec > 0 ? $rpc_config.timeout_sec : 30
    deadline = GRPC::Core::TimeConsts::from_relative_time(deadline_sec)
    results = {}
    $rpc_config.rpcs_to_send.each do |rpc|
      # rpc is in the form of :UNARY_CALL or :EMPTY_CALL here
       = $rpc_config..key?(rpc) ?
                   $rpc_config.[rpc] : {}
      $accumulated_stats_mu.synchronize do
        $num_rpcs_started_by_method[rpc.to_s] += 1
        $accumulated_method_stats[rpc.to_s].increment_rpcs_started()
      end
      if rpc == :UNARY_CALL
        op = stub.unary_call(simple_req,
                             metadata: ,
                             deadline: deadline,
                             return_op: true)
      elsif rpc == :EMPTY_CALL
        op = stub.empty_call(empty_req,
                             metadata: ,
                             deadline: deadline,
                             return_op: true)
      else
        raise "Unsupported rpc #{rpc}"
      end
      keep_open_threads << execute_rpc_in_thread(op, rpc)
    end
    # collect results from threads
    $thread_results_mu.synchronize do
      $thread_results.each do |r|
        rpc_name, remote_peer = r
        results[rpc_name] = remote_peer
      end
      $thread_results = Array.new
    end
    $watchers_mutex.synchronize do
      $watchers.each do |watcher|
        # this is counted once when each group of all rpcs_to_send were done
        watcher['rpcs_needed'] -= 1
        results.each do |rpc_name, remote_peer|
          # These stats expect rpc_name to be in the form of
          # UnaryCall or EmptyCall, not the underscore-case all-caps form
          rpc_name = $RPC_MAP.invert()[rpc_name]
          if remote_peer.strip.empty?
            # error is counted per individual RPC
            watcher['no_remote_peer'] += 1
          else
            if not watcher['rpcs_by_method'].key?(rpc_name)
              watcher['rpcs_by_method'][rpc_name] = Hash.new(0)
            end
            # increment the remote hostname distribution histogram
            # both by overall, and broken down per RPC
            watcher['rpcs_by_method'][rpc_name][remote_peer] +=  1
            watcher['rpcs_by_peer'][remote_peer] += 1
          end
        end
      end
      $watchers_cv.broadcast
    end
  end
  keep_open_threads.each { |thd| thd.join }
end

#sanity_check_values_of_accessors(op_view, expected_metadata, expected_trailing_metadata) ⇒ Object



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# File 'src/ruby/spec/generic/client_stub_spec.rb', line 64

def sanity_check_values_of_accessors(op_view,
                                     ,
                                     )
  expected_status = Struct::Status.new
  expected_status.code = 0
  expected_status.details = 'OK'
  expected_status. = 

  expect(op_view.status).to eq(expected_status)
  expect(op_view.).to eq()
  expect(op_view.).to eq()

  expect(op_view.cancelled?).to be(false)
  expect(op_view.write_flag).to be(nil)

  # The deadline attribute of a call can be either
  # a GRPC::Core::TimeSpec or a Time, which are mutually exclusive.
  # TODO: fix so that the accessor always returns the same type.
  expect(op_view.deadline.is_a?(GRPC::Core::TimeSpec) ||
         op_view.deadline.is_a?(Time)).to be(true)
end

#ssl_creds(use_test_ca) ⇒ Object

creates the SSL Credentials.



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# File 'src/ruby/pb/test/client.rb', line 91

def ssl_creds(use_test_ca)
  return test_creds if use_test_ca
  prod_creds
end

#start_server(port = 0) ⇒ Object



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# File 'src/ruby/spec/channel_connection_spec.rb', line 21

def start_server(port = 0)
  @srv = new_rpc_server_for_testing(pool_size: 1)
  server_port = @srv.add_http2_port("localhost:#{port}", :this_port_is_insecure)
  @srv.handle(EchoService)
  @server_thd = Thread.new { @srv.run }
  @srv.wait_till_running
  server_port
end

#stop_serverObject



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# File 'src/ruby/spec/channel_connection_spec.rb', line 30

def stop_server
  expect(@srv.stopped?).to be(false)
  @srv.stop
  @server_thd.join
  expect(@srv.stopped?).to be(true)
end

#test_credsObject

creates SSL Credentials from the test certificates.



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# File 'src/ruby/pb/test/client.rb', line 80

def test_creds
  certs = load_test_certs
  GRPC::Core::ChannelCredentials.new(certs[0])
end

#test_server_credsObject

creates a ServerCredentials from the test certificates.



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# File 'src/ruby/pb/test/server.rb', line 105

def test_server_creds
  certs = load_test_certs
  GRPC::Core::ServerCredentials.new(
      nil, [{private_key: certs[1], cert_chain: certs[2]}], false)
end

#wakey_thread(&blk) ⇒ Object



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# File 'src/ruby/spec/generic/client_stub_spec.rb', line 19

def wakey_thread(&blk)
  n = GRPC::Notifier.new
  t = Thread.new do
    blk.call(n)
  end
  t.abort_on_exception = true
  n.wait
  t
end

#with_protos(file_paths) ⇒ Object



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# File 'src/ruby/spec/pb/codegen/package_option_spec.rb', line 73

def with_protos(file_paths)
  pb_dir = File.dirname(__FILE__)
  bins_dir = File.join('..', '..', '..', '..', '..', 'cmake', 'build')
  plugin = File.join(bins_dir, 'grpc_ruby_plugin')
  protoc = File.join(bins_dir, 'third_party', 'protobuf', 'protoc')

  # Generate the service from the proto
  Dir.mktmpdir(nil, File.dirname(__FILE__)) do |tmp_dir|
    gen_file = system(protoc,
                      '-I.',
                      *file_paths,
                      "--grpc_out=#{tmp_dir}", # generate the service
                      "--ruby_out=#{tmp_dir}", # generate the definitions
                      "--plugin=protoc-gen-grpc=#{plugin}",
                      chdir: pb_dir,
                      out: File::NULL)

    expect(gen_file).to be_truthy
    begin
      $LOAD_PATH.push(tmp_dir)
      yield
    ensure
      $LOAD_PATH.delete(tmp_dir)
    end
  end
end