Class: Transpec::CLI

Inherits:
Object
  • Object
show all
Defined in:
lib/transpec/cli.rb

Constant Summary collapse

CONFIG_ATTRS_FOR_CLI_TYPES = 
{
  expect_to_matcher: :convert_to_expect_to_matcher=,
  expect_to_receive: :convert_to_expect_to_receive=,
   allow_to_receive: :convert_to_allow_to_receive=,
         deprecated: :replace_deprecated_method=
}

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize ⇒ CLI

Returns a new instance of CLI.



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# File 'lib/transpec/cli.rb', line 26

def initialize
  @configuration = Configuration.new
  @forced = false
end

Instance Attribute Details

#configuration ⇒ Object (readonly)

Returns the value of attribute configuration.



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# File 'lib/transpec/cli.rb', line 19

def configuration
  @configuration
end

#forced ⇒ Object (readonly) Also known as: forced?

Returns the value of attribute forced.



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# File 'lib/transpec/cli.rb', line 19

def forced
  @forced
end

Class Method Details

.run(args = ARGV) ⇒ Object 



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# File 'lib/transpec/cli.rb', line 22

def self.run(args = ARGV)
  new.run(args)
end

Instance Method Details

#parse_options(args) ⇒ Object

rubocop:disable MethodLength



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# File 'lib/transpec/cli.rb', line 61

def parse_options(args)
  parser = OptionParser.new
  parser.banner = "Usage: transpec [options] [files or directories]\n\n"

  parser.on(
    '-f', '--force',
    'Force processing even if the current Git',
    'repository is not clean.'
  ) do
    @forced = true
  end

  parser.on(
    '-d', '--disable TYPE[,TYPE...]',
    'Disable specific conversions.',
    'Available conversion types:',
    '  expect_to_matcher (from `should`)',
    '  expect_to_receive (from `should_receive`)',
    '  allow_to_receive  (from `stub`)',
    '  deprecated (e.g. from `stub!` to `stub`)',
    'These are all enabled by default.'
  ) do |types|
    types.split(',').each do |type|
      config_attr = CONFIG_ATTRS_FOR_CLI_TYPES[type.to_sym]
      fail ArgumentError, "Unknown conversion type #{type.inspect}" unless config_attr
      @configuration.send(config_attr, false)
    end
  end

  parser.on(
    '-n', '--negative-form FORM',
    'Specify negative form of `to` that is used',
    'in `expect(...).to` syntax.',
    'Either `not_to` or `to_not`.',
    'Default: not_to'
  ) do |form|
    @configuration.negative_form_of_to = form
  end

  parser.on(
    '-p', '--no-parentheses-matcher-arg',
    'Suppress parenthesizing argument of matcher',
    'when converting operator to non-operator',
    'in `expect` syntax. Note that it will be',
    'parenthesized even if this option is',
    'specified when parentheses are necessary to',
    'keep the meaning of the expression.',
    'By default, arguments of the following',
    'operator matchers will be parenthesized.',
    '  `== 10` to `eq(10)`',
    '  `=~ /pattern/` to `match(/pattern/)`',
    '  `=~ [1, 2]` to `match_array([1, 2])`'
  ) do
    @configuration.parenthesize_matcher_arg = false
  end

  parser.on('--version', 'Show Transpec version.') do
    puts Version.to_s
    exit
  end

  args = args.dup
  parser.parse!(args)
  args
end

#run(args) ⇒ Object 



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# File 'lib/transpec/cli.rb', line 31

def run(args)
  non_option_args = parse_options(args)

  fail_if_should_not_continue!

  paths = non_option_args

  if paths.empty?
    if Dir.exists?('spec')
      paths = ['spec']
    else
      fail ArgumentError, 'Specify target files or directories.'
    end
  end

  target_files(paths).each do |file_path|
    puts "Processing #{file_path}"
    rewriter = Rewriter.new(@configuration)
    rewriter.rewrite_file!(file_path)
  end

  # TODO: Print summary

  true
rescue => error
  warn error.message
  false
end

#target_files(paths) ⇒ Object

rubocop:enable MethodLength



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# File 'lib/transpec/cli.rb', line 128

def target_files(paths)
  paths.reduce([]) do |file_paths, path|
    if File.directory?(path)
      file_paths.concat(ruby_files_in_directory(path))
    elsif File.file?(path)
      file_paths << path
    elsif !File.exists?(path)
      fail ArgumentError, "No such file or directory #{path.inspect}"
    end
  end
end