Class: Fluent::Test::TimeSlicedOutputTestDriver

Inherits:
InputTestDriver show all
Defined in:
lib/fluent/test/output_test.rb

Instance Attribute Summary collapse

Attributes inherited from InputTestDriver

#emit_streams, #event_streams, #expected_emits_length, #run_timeout

Attributes inherited from TestDriver

#config, #instance

Instance Method Summary collapse

Methods inherited from InputTestDriver

#emits, #events, #expect_emit, #expected_emits, #records, #register_run_breaking_condition, #register_run_post_condition, #run_should_stop?

Methods inherited from TestDriver

#configure

Constructor Details

#initialize(klass, tag = 'test', &block) ⇒ TimeSlicedOutputTestDriver

Returns a new instance of TimeSlicedOutputTestDriver.



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# File 'lib/fluent/test/output_test.rb', line 104

def initialize(klass, tag='test', &block)
  super(klass, &block)
  @entries = []
  @expected_buffer = nil
  @tag = tag
end

Instance Attribute Details

#tag ⇒ Object

Returns the value of attribute tag.



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# File 'lib/fluent/test/output_test.rb', line 111

def tag
  @tag
end

Instance Method Details

#emit(record, time = EventTime.now) ⇒ Object 



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# File 'lib/fluent/test/output_test.rb', line 113

def emit(record, time=EventTime.now)
  @entries << [time, record]
  self
end

#expect_format(str) ⇒ Object 



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# File 'lib/fluent/test/output_test.rb', line 118

def expect_format(str)
  (@expected_buffer ||= '') << str
end

#run(&block) ⇒ Object 



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# File 'lib/fluent/test/output_test.rb', line 122

def run(&block)
  result = []
  super {
    block.call if block

    buffer = ''
    lines = {}
    # v0.12 TimeSlicedOutput doesn't call #format_stream
    @entries.each do |time, record|
      meta = @instance.metadata(@tag, time, record)
      line = @instance.format(@tag, time, record)
      buffer << line
      lines[meta] ||= []
      lines[meta] << line
    end

    if @expected_buffer
      assert_equal(@expected_buffer, buffer)
    end

    lines.keys.each do |meta|
      chunk = @instance.buffer.generate_chunk(meta).staged!
      chunk.append(lines[meta])
      begin
        result.push(@instance.write(chunk))
      ensure
        chunk.purge
      end
    end
  }
  result
end