Class: Messaging::Fixtures::Writer

Inherits:
Object
  • Object
show all
Includes:
Initializer, TestBench::Fixture
Defined in:
lib/messaging/fixtures/writer.rb

Constant Summary collapse

Error = 
Class.new(RuntimeError)

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.build(writer, message_class, &test_block) ⇒ Object 



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# File 'lib/messaging/fixtures/writer.rb', line 11

def self.build(writer, message_class, &test_block)
  data = get_data(writer, message_class)

  message = data&.message
  stream_name = data&.stream_name
  expected_version = data&.expected_version
  reply_stream_name = data&.reply_stream_name

  new(message_class, message, stream_name, expected_version, reply_stream_name, test_block)
end

.get_data(writer, message_class) ⇒ Object 



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# File 'lib/messaging/fixtures/writer.rb', line 22

def self.get_data(writer, message_class)
  sink = writer.sink

  records = sink.written_records.select do |record|
    record.data.message.class == message_class
  end

  if records.length > 1
    raise Error, "More than one message written (Message Class: #{message_class})"
  end

  if records.empty?
    return nil
  end

  records.first.data
end

Instance Method Details

#assert_expected_version(expected_version) ⇒ Object 



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# File 'lib/messaging/fixtures/writer.rb', line 77

def assert_expected_version(expected_version)
  test "Expected version" do
    detail "Expected Version: #{expected_version}"
    detail "Written Expected Version: #{self.expected_version}"

    assert(expected_version == self.expected_version)
  end
end

#assert_reply_stream_name(reply_stream_name) ⇒ Object 



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# File 'lib/messaging/fixtures/writer.rb', line 86

def assert_reply_stream_name(reply_stream_name)
  test "Reply stream name" do
    detail "Reply stream Name: #{reply_stream_name}"
    detail "Written reply stream Name: #{self.reply_stream_name}"

    assert(reply_stream_name == self.reply_stream_name)
  end
end

#assert_stream_name(stream_name) ⇒ Object 



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# File 'lib/messaging/fixtures/writer.rb', line 68

def assert_stream_name(stream_name)
  test "Stream name" do
    detail "Stream Name: #{stream_name}"
    detail "Written Stream Name: #{self.stream_name}"

    assert(stream_name == self.stream_name)
  end
end

#call ⇒ Object 



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# File 'lib/messaging/fixtures/writer.rb', line 40

def call
  context_name = "Write: #{message_class.message_type}"

  context context_name do
    if test_block.nil?
      raise Error, "Write fixture must be executed with a block"
    end

    detail "Message Class: #{message_class.inspect}"

    written = !message.nil?

    test "Written" do
      if not written
        detail "Remaining message tests are skipped"
      end

      assert(written)
    end

    return if not written

    test_block.call(self)
  end

  message
end