Module: TestConsole::Utility::ClassMethods

Included in:
TestConsole::Utility
Defined in:
lib/test_console/utility.rb

Overview

Returns an array of class components from a filename

Common folder names are dropped from the array to avoid confusion.

Examples:

class_from_filename module/controller        # ['Module', 'Controller']
class_from_filename unit/module/controller   # ['Module', 'Controller']
class_from_filename parent/module/controller # ['Parent', 'Module', 'Controller']

Instance Method Summary collapse

Instance Method Details

#class_from_filename(filename) ⇒ Object 



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# File 'lib/test_console/utility.rb', line 18

def class_from_filename(filename)
  segs = filename.split('/')
  segs.delete ''
  segs.delete '.'
  segs.last.gsub!('.rb', '')

  # drop the test folder
  segs = segs[1..-1] while TestConsole.drop_folders.include?(segs[0])
  ret = segs.map {|seg| seg.camelize}

  return ret
end

#const_defined?(klass) ⇒ Boolean

Returns boolean as to wether the specified constant is defined.

Examples:

const_defined? 'String' # true
const_defined? 'WierdClass' # false
const_defined? ['ActiveRecord', 'Base'] # true (assuming Active Record is installed)

Returns:

  • (Boolean) 


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# File 'lib/test_console/utility.rb', line 39

def const_defined?(klass)
  klass = [klass] unless klass.kind_of? Array
  klass.inject(Object) do |context, scope|
    if context.const_defined?(scope)
      context.const_get(scope)
    else
      return false
    end
  end
end

#const_get(klass) ⇒ Object

Returns the specified class.

Examples:

const_get 'String'                      # String
const_get ['ActiveRecord', 'Base']      # ActiveRecord::Base



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# File 'lib/test_console/utility.rb', line 57

def const_get(klass)
  klass = [klass] unless klass.kind_of? Array
  klass.inject(Object) do |context, scope|
    context.const_get(scope)
  end
end

#const_remove(klass) ⇒ Object

Removes the specified class.

Examples:

const_get 'String'                      # String
const_get ['ActiveRecord', 'Base']      # ActiveRecord::Base



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# File 'lib/test_console/utility.rb', line 71

def const_remove(klass)
  klass = [klass] unless klass.kind_of? Array
  if klass.length > 1
    Utility.const_get(klass[0..-2]).send :remove_const, klass.last
  elsif klass.any?
    Object.send :remove_const, klass.last
  end
end