Class: ADSP::Test::Stream::ReaderHelpers

Inherits:
Minitest::Test
  • Object
show all
Defined in:
lib/adsp/test/stream/reader_helpers.rb

Overview

ADSP::Test::Stream::ReaderHelpers class.

Constant Summary collapse

Target = 
Mock::Stream::Reader
Option = 
Test::Option
String = 
Mock::String
ARCHIVE_PATH = 
Common::ARCHIVE_PATH
ENCODINGS = 
Common::ENCODINGS
TRANSCODE_OPTIONS = 
Common::TRANSCODE_OPTIONS
TEXTS = 
Common::TEXTS
LARGE_TEXTS = 
Common::LARGE_TEXTS
BUFFER_LENGTH_NAMES = 
%i[source_buffer_length destination_buffer_length].freeze
BUFFER_LENGTH_MAPPING = 
{
  :source_buffer_length      => :destination_buffer_length,
  :destination_buffer_length => :source_buffer_length
}
.freeze
LIMITS = 
[nil, 1].freeze

Instance Method Summary collapse

Instance Method Details

#get_compatible_decompressor_options(compressor_options, &block) ⇒ Object 



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# File 'lib/adsp/test/stream/reader_helpers.rb', line 412

def get_compatible_decompressor_options(compressor_options, &block)
  option.get_compatible_decompressor_options compressor_options, BUFFER_LENGTH_MAPPING, &block
end

#parallel_compressor_options(&block) ⇒ Object 



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# File 'lib/adsp/test/stream/reader_helpers.rb', line 408

def parallel_compressor_options(&block)
  Common.parallel_options option.get_compressor_options_generator(BUFFER_LENGTH_NAMES), &block
end

#test_byte ⇒ Object 



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# File 'lib/adsp/test/stream/reader_helpers.rb', line 49

def test_byte
  parallel_compressor_options do |compressor_options, worker_index|
    archive_path = Common.get_path ARCHIVE_PATH, worker_index

    TEXTS.each do |text|
      write_archive archive_path, text, compressor_options

      get_compatible_decompressor_options compressor_options do |decompressor_options|
        target.open archive_path, decompressor_options do |instance|
          # getbyte

          byte = instance.getbyte
          instance.ungetbyte byte unless byte.nil?

          # readbyte

          begin
            byte = instance.readbyte
            instance.ungetc byte
          rescue ::EOFError
            # ok
          end

          # each_byte

          decompressed_text = "".b
          instance.each_byte { |current_byte| decompressed_text << current_byte }

          decompressed_text.force_encoding text.encoding
          assert_equal text, decompressed_text
        end
      end
    end
  end
end

#test_char ⇒ Object 



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# File 'lib/adsp/test/stream/reader_helpers.rb', line 97

def test_char
  parallel_compressor_options do |compressor_options, worker_index|
    archive_path = Common.get_path ARCHIVE_PATH, worker_index

    TEXTS.each do |text|
      write_archive archive_path, text, compressor_options

      get_compatible_decompressor_options compressor_options do |decompressor_options|
        target.open archive_path, decompressor_options do |instance|
          # getc

          char = instance.getc
          instance.ungetc char unless char.nil?

          # readchar

          begin
            char = instance.readchar
            instance.ungetc char
          rescue ::EOFError
            # ok
          end

          # each_char

          decompressed_text = "".b
          instance.each_char { |current_char| decompressed_text << current_char }

          decompressed_text.force_encoding text.encoding
          assert_equal text, decompressed_text
        end
      end
    end
  end
end

#test_char_encoding ⇒ Object 



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# File 'lib/adsp/test/stream/reader_helpers.rb', line 133

def test_char_encoding
  parallel_compressor_options do |compressor_options, worker_index|
    archive_path = Common.get_path ARCHIVE_PATH, worker_index

    TEXTS.each do |text|
      write_archive archive_path, text, compressor_options

      external_encoding = text.encoding

      (ENCODINGS - [external_encoding]).each do |internal_encoding|
        target_text = text.encode internal_encoding, **TRANSCODE_OPTIONS

        get_compatible_decompressor_options compressor_options do |decompressor_options|
          target.open archive_path, decompressor_options do |instance|
            instance.set_encoding external_encoding, internal_encoding, TRANSCODE_OPTIONS

            # getc

            char = instance.getc

            unless char.nil?
              assert_equal internal_encoding, char.encoding
              instance.ungetc char
            end

            # readchar

            begin
              char = instance.readchar
              assert_equal internal_encoding, char.encoding

              instance.ungetc char
            rescue ::EOFError
              # ok
            end

            # each_char

            decompressed_text = ::String.new :encoding => internal_encoding

            instance.each_char do |current_char|
              assert_equal internal_encoding, current_char.encoding
              decompressed_text << current_char
            end

            assert_equal target_text, decompressed_text
          end
        end
      end
    end
  end
end

#test_invalid_gets ⇒ Object

– lines –



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# File 'lib/adsp/test/stream/reader_helpers.rb', line 188

def test_invalid_gets
  instance = target.new ::StringIO.new

  (Validation::INVALID_STRINGS - [nil, 1, 1.1]).each do |invalid_string|
    assert_raises ValidateError do
      instance.gets invalid_string
    end
  end

  (Validation::INVALID_POSITIVE_INTEGERS - [nil]).each do |invalid_integer|
    assert_raises ValidateError do
      instance.gets nil, invalid_integer
    end
  end
end

#test_invalid_open ⇒ Object

– etc –



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# File 'lib/adsp/test/stream/reader_helpers.rb', line 359

def test_invalid_open
  Validation::INVALID_STRINGS.each do |invalid_string|
    assert_raises ValidateError do
      target.open(invalid_string) {} # no-op
    end
  end

  # Proc is required.
  assert_raises ValidateError do
    target.open ARCHIVE_PATH
  end
end

#test_invalid_ungetbyte ⇒ Object 



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# File 'lib/adsp/test/stream/reader_helpers.rb', line 39

def test_invalid_ungetbyte
  instance = target.new ::StringIO.new

  Validation::INVALID_STRINGS.each do |invalid_string|
    assert_raises ValidateError do
      instance.ungetbyte invalid_string
    end
  end
end

#test_invalid_ungetc ⇒ Object

– char –



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# File 'lib/adsp/test/stream/reader_helpers.rb', line 87

def test_invalid_ungetc
  instance = target.new ::StringIO.new

  Validation::INVALID_STRINGS.each do |invalid_string|
    assert_raises ValidateError do
      instance.ungetc invalid_string
    end
  end
end

#test_invalid_ungetline ⇒ Object 



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# File 'lib/adsp/test/stream/reader_helpers.rb', line 204

def test_invalid_ungetline
  instance = target.new ::StringIO.new

  Validation::INVALID_STRINGS.each do |invalid_string|
    assert_raises ValidateError do
      instance.ungetline invalid_string
    end
  end
end

#test_lines ⇒ Object 



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# File 'lib/adsp/test/stream/reader_helpers.rb', line 214

def test_lines
  parallel_compressor_options do |compressor_options, worker_index|
    archive_path = Common.get_path ARCHIVE_PATH, worker_index

    TEXTS.each do |text|
      write_archive archive_path, text, compressor_options

      separator =
        if text.empty?
          nil
        else
          text[0]
        end

      get_compatible_decompressor_options compressor_options do |decompressor_options|
        target.open archive_path, decompressor_options do |instance|
          # lineno

          assert_equal 0, instance.lineno

          instance.lineno = 1
          assert_equal 1, instance.lineno

          instance.lineno = 0
          assert_equal 0, instance.lineno

          # gets

          LIMITS.each do |limit|
            line = instance.gets limit
            next if line.nil?

            assert_equal 1, instance.lineno

            instance.ungetline line
            assert_equal 0, instance.lineno

            # Same test with separator.

            line = instance.gets separator, limit
            next if line.nil?

            assert_equal 1, instance.lineno

            instance.ungetline line
            assert_equal 0, instance.lineno
          end

          # readline

          begin
            line = instance.readline
            assert_equal 1, instance.lineno

            instance.ungetline line
            assert_equal 0, instance.lineno
          rescue ::EOFError
            # ok
          end

          # readlines

          lines = instance.readlines
          lines.each { |current_line| instance.ungetline current_line }

          decompressed_text = lines.join
          decompressed_text.force_encoding text.encoding

          assert_equal text, decompressed_text

          # each_line

          decompressed_text = "".b
          instance.each_line { |current_line| decompressed_text << current_line }

          decompressed_text.force_encoding text.encoding
          assert_equal text, decompressed_text
        end
      end
    end
  end
end

#test_lines_encoding ⇒ Object 



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# File 'lib/adsp/test/stream/reader_helpers.rb', line 297

def test_lines_encoding
  parallel_compressor_options do |compressor_options, worker_index|
    archive_path = Common.get_path ARCHIVE_PATH, worker_index

    TEXTS.each do |text|
      write_archive archive_path, text, compressor_options

      external_encoding = text.encoding

      (ENCODINGS - [external_encoding]).each do |internal_encoding|
        target_text = text.encode internal_encoding, **TRANSCODE_OPTIONS

        separator =
          if text.empty?
            nil
          else
            text[0]
          end

        get_compatible_decompressor_options compressor_options do |decompressor_options|
          target.open archive_path, decompressor_options do |instance|
            instance.set_encoding external_encoding, internal_encoding, TRANSCODE_OPTIONS

            # gets

            line = instance.gets separator

            unless line.nil?
              assert_equal internal_encoding, line.encoding
              instance.ungetline line
            end

            # readline

            begin
              line = instance.readline
              assert_equal internal_encoding, line.encoding

              instance.ungetline line
            rescue ::EOFError
              # ok
            end

            # each_line

            decompressed_text = ::String.new :encoding => internal_encoding

            instance.each_line do |current_line|
              assert_equal internal_encoding, current_line.encoding
              decompressed_text << current_line
            end

            assert_equal target_text, decompressed_text
          end
        end
      end
    end
  end
end

#test_open ⇒ Object 



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# File 'lib/adsp/test/stream/reader_helpers.rb', line 372

def test_open
  parallel_compressor_options do |compressor_options, worker_index|
    archive_path = Common.get_path ARCHIVE_PATH, worker_index

    TEXTS.each do |text|
      write_archive archive_path, text, compressor_options

      get_compatible_decompressor_options compressor_options do |decompressor_options|
        decompressed_text = target.open archive_path, decompressor_options, &:read
        decompressed_text.force_encoding text.encoding

        assert_equal text, decompressed_text
      end
    end
  end
end

#test_open_with_large_texts ⇒ Object 



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# File 'lib/adsp/test/stream/reader_helpers.rb', line 389

def test_open_with_large_texts
  Common.parallel LARGE_TEXTS do |text, worker_index|
    archive_path = Common.get_path ARCHIVE_PATH, worker_index
    write_archive archive_path, text

    decompressed_text = target.open archive_path, &:read
    decompressed_text.force_encoding text.encoding

    assert_equal text, decompressed_text
  end
end