Class: Inspector

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

Overview

Maps the changed filenames to list of specs to run in the next go. Assumes Rails-like directory structure

Constant Summary collapse

EXTENSIONS = 
%w(rb erb builder haml rhtml rxml yml conf opts)

Instance Method Summary collapse

Constructor Details

#initialize(dir) ⇒ Inspector

Returns a new instance of Inspector.



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# File 'lib/inspector.rb', line 7

def initialize(dir)
  @root = dir
end

Instance Method Details

#append_spec_file_extension(file) ⇒ Object 



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# File 'lib/inspector.rb', line 72

def append_spec_file_extension(file)
  if File.extname(file) == ".rb"
    file.sub(/.rb$/, "_spec.rb")
  else
    file + "_spec.rb"
  end
end

#determine_spec_files(file) ⇒ Object 



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# File 'lib/inspector.rb', line 11

def determine_spec_files(file)
  candidates = translate(file)
  spec_files = candidates.select { |candidate| File.exists? candidate }
  
  if spec_files.empty?
    $stderr.puts "doesn't exist: #{candidates.inspect}"
  end
  spec_files
end

#spec_file?(file) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/inspector.rb', line 80

def spec_file?(file)
  file =~ /^spec\/.+_spec.rb$/
end

#translate(file) ⇒ Object

mappings for Rails are inspired by autotest mappings in rspec-rails



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# File 'lib/inspector.rb', line 22

def translate(file)
  file = file.sub(%r:^#{Regexp.escape(@root)}/:, '')
  candidates = []
  
  if spec_file?(file)
    candidates << file
  else
    spec_file = append_spec_file_extension(file)
    
    case file
    when %r:^app/:
      if file =~ %r:^app/controllers/application(_controller)?.rb$:
        candidates << 'controllers'
      elsif file == 'app/helpers/application_helper.rb'
        candidates << 'helpers' << 'views'
      else
        candidates << spec_file.sub('app/', '')
        
        if file =~ %r:^app/(views/.+\.[a-z]+)\.[a-z]+$:
          candidates << append_spec_file_extension($1)
        elsif file =~ %r:app/helpers/(\w+)_helper.rb:
          candidates << "views/#{$1}"
        end
      end
    when %r:^lib/:
      candidates << spec_file
      # lib/foo/bar_spec.rb -> lib/bar_spec.rb
      candidates << candidates.last.sub($&, '')
      # lib/bar_spec.rb -> bar_spec.rb
      candidates << candidates.last.sub(%r:\w+/:, '') if candidates.last.index('/')
    when 'config/routes.rb'
      candidates << 'controllers' << 'helpers' << 'views'
    when 'config/database.yml', 'db/schema.rb'
      candidates << 'models'
    when %r:^(spec/(spec_helper|shared/.*)|config/(boot|environment(s/test)?))\.rb$:, 'spec/spec.opts'
      candidates << 'spec'
    else
      candidates << spec_file
    end
  end
  
  candidates.map do |candidate|
    if candidate.index('spec') == 0
      candidate
    else
      'spec/' + candidate
    end
  end
end