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

#make_class_name(filename) ⇒ Object 



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# File 'lib/test_case_generator/generator_python.rb', line 15

def make_class_name(filename)
  File.basename filename, '.*'
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_skeleton source_fn unless File.exist? source_fn
  write_source ctx, source_fn
end

#write_skeleton(source_fn) ⇒ Object 



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# File 'lib/test_case_generator/generator_python.rb', line 19

def write_skeleton(source_fn)
  class_name = make_class_name(source_fn)
  File.open(source_fn, 'w') do |f|
    writer = IndentedWriter.new f
    writer.puts "#!/usr/bin/env python\n# -*- coding: utf-8 -*-\nimport os\nimport sys\nimport unittest\n\n\nclass \#{class_name}(unittest.TestCase):\ndef setUp(self):\n    super(\#{class_name}, self).setUp()\n\ndef tearDown(self):\n    super(\#{class_name}, self).tearDown()\n\n# %%\n"
  end
end

#write_source(dsl_context, source_fn) ⇒ Object 



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# File 'lib/test_case_generator/generator_python.rb', line 43

def write_source(dsl_context, source_fn)
  class_name = make_class_name(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

    method_list = dsl_context.labels.map { |m| "'#{m}'" }.join(', ')
    writer.blank
    writer.puts "@classmethod\ndef checkSanity(cls):\n    sane = True\n    msg = []\n    for method in [\#{method_list}]:\n        if not hasattr(cls, method):\n            msg += [\n                '    def %s(self):' % method,\n                '        pass',\n                '',\n            ]\n            sane = False\n\n    if not sane:\n        print cls.__name__ + ' must implement following method(s):'\n        print\n        print \"\\\\n\".join(msg)\n        raise SystemExit(1)\n\n\nif __name__ == '__main__':\n\#{class_name}.checkSanity()\nunittest.main()\n"
  end

  FileUtils.move tmp_fn, source_fn
end