Class: TestCaseGenerator::GeneratorPython

Inherits:
Object
  • Object
show all
Defined in:
lib/test_case_generator/generator_python.rb

Instance Method Summary collapse

Instance Method Details

#can_handle?(source_fn) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/test_case_generator/generator_python.rb', line 6

def can_handle?(source_fn)
  File.extname(source_fn).eql? '.py'
end

#write(ctx, source_fn) ⇒ Object 



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# File 'lib/test_case_generator/generator_python.rb', line 10

def write(ctx, source_fn)
  write_source ctx, source_fn
end

#write_source(dsl_context, source_fn) ⇒ Object 



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# File 'lib/test_case_generator/generator_python.rb', line 14

def write_source(dsl_context, source_fn)
  tmp_fn = source_fn + '.tmp'
  source = File.open(source_fn).read
  File.open(tmp_fn, 'w') do |f|
    source.each_line do |line|
      f.puts line
      break if line =~ /^\s*#\s*%%\s*$/
    end

    writer = IndentedWriter.new f
    writer.blank
    writer.block_indent '    ' do
      writer.puts '#'
      writer.puts '# 以下の行は自動生成されているので直接編集しないでください。'
      writer.puts '#'
      writer.puts '# Generated by Test Case Generator'
      writer.puts '# https://rubygems.org/gems/test_case_generator'
      writer.puts '#'
    end

    dsl_context.each do |pattern|
      method_name = pattern.join '_'
      writer.block_indent '    ' do
        writer.blank
        writer.puts "def test_#{method_name}(self):"

        pattern.each do |ptn|
          writer.block_indent '    ' do
            writer.puts "self.#{ptn}()"
          end
        end
      end
    end

    writer.blank
    writer.block_indent '    ' do
      writer.puts '@classmethod'
      writer.puts 'def checkSanity(cls):'
      writer.block_indent '    ' do
        writer.puts 'sane = True'
        writer.puts 'msg = []'
        writer.puts "for method in [#{dsl_context.labels.map { |m| "'#{m}'" }.join(', ')}]:"
        writer.block_indent '    ' do
          writer.puts 'if not hasattr(cls, method):'
          writer.block_indent '    ' do
            writer.puts 'msg += ['
            writer.block_indent '    ' do
              writer.puts "'    def %s(self):' % method,"
              writer.puts "'        pass',"
              writer.puts "'',"
            end
            writer.puts ']'
            writer.puts 'sane = False'
          end
        end

        writer.blank
        writer.puts 'if not sane:'
        writer.block_indent '    ' do
          writer.puts "print cls.__name__ + ' must implement following method(s):'"
          writer.puts 'print'
          writer.puts "print \"\\n\".join(msg)"
          writer.puts 'raise SystemExit(1)'
        end
      end
    end

    writer.blank
    writer.blank
    writer.puts "if __name__ == '__main__':"
    writer.block_indent '    ' do
      writer.puts 'CommandLineArgumentsTestCase.checkSanity()'
      writer.puts 'unittest.main()'
    end
  end

  FileUtils.move tmp_fn, source_fn
end