Class: Lemon::Generator

Inherits:
Object
  • Object
show all
Defined in:
lib/lemon/coverage/generator.rb

Overview

Test Scaffold Generator.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = {}) ⇒ Generator

New Scaffold Generator.

Parameters:

  • options (Hash) (defaults to: {}) —

    a customizable set of options

Options Hash (options):

  • :files (Array) —

    Ruby scripts for which to generate tests.

  • :tests (Array) —

    Test files that already exist.

  • :namespaces (Array) —

    List of class/module names to limit scaffolding.

  • :private (Boolean) —

    Include private methods in scaffolding.

  • :group (Symbol) —

    Group by ‘:case` or by `:file`.



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# File 'lib/lemon/coverage/generator.rb', line 29

def initialize(options={})
  @files      = options[:files] || []
  @tests      = options[:tests] || []
  @group      = options[:group] || :case

  @namespaces = options[:namespaces]
  #@coverage   = options[:coverage]
  @private    = options[:private]
  @caps       = options[:caps]

  #if @namespaces
  #  @coverage ||= :all
  #else
  #  @coverage ||= :uncovered
  #end

  #@snapshot   = Snapshot.capture

  @analyzer   = CoverageAnalyzer.new(files + tests, options)
  @suite      = @analyzer.suite
end

Instance Attribute Details

#files ⇒ Object (readonly)

Returns the value of attribute files.



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# File 'lib/lemon/coverage/generator.rb', line 52

def files
  @files
end

#group ⇒ Object (readonly)

Group tests by ‘:case` or `:file`.



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# File 'lib/lemon/coverage/generator.rb', line 58

def group
  @group
end

#namespaces ⇒ Object (readonly)

List of class and module namespaces to limit scaffolding.



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# File 'lib/lemon/coverage/generator.rb', line 61

def namespaces
  @namespaces
end

#tests ⇒ Object (readonly)

Returns the value of attribute tests.



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# File 'lib/lemon/coverage/generator.rb', line 55

def tests
  @tests
end

Instance Method Details

#analyzer ⇒ Object

Returns CoverageAnalyzer instance.



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# File 'lib/lemon/coverage/generator.rb', line 74

def analyzer
  @analyzer
end

#filter(units) ⇒ Object

Filter targets to include only specified namespaces.



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# File 'lib/lemon/coverage/generator.rb', line 145

def filter(units)
  return units if namespaces.nil? or namespaces.empty?
  units.select do |u|
    namespaces.any? do |ns|
      /^#{ns}/ =~ u.namespace.to_s
    end
  end
end

#generate ⇒ Object

Generate test template(s).



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# File 'lib/lemon/coverage/generator.rb', line 91

def generate
  render_map = {}

  if tests.empty?
    grouped_units.each do |group, units|
      units = filter(units)
      render_map[group] = render(units)
    end
  else
    uncovered_units = analyzer.uncovered
    grouped_units.each do |group, units|
      units = filter(units)
      units = units & uncovered_units
      render_map[group] = render(units)
    end
  #when :covered
  #  covered_units = analyzer.target.units
  #  grouped_units.each do |group, units|
  #    units = filter(units)
  #    units = units & covered_units
  #    map[group] = render(units)
  #  end
  #else
  #  #units = Snapshot.capture(namespaces).units
  #  #units = (units - @snapshot.units)
  end

  render_map
end

#grouped_units ⇒ Object

Units in groups, by file or by case.



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# File 'lib/lemon/coverage/generator.rb', line 79

def grouped_units
  case group
  when :case
    units_by_case
  when :file
    units_by_file
  else
    units_by_case # default ?
  end
end

#private? ⇒ Boolean

Include private and protected methods.

Returns:

  • (Boolean) 


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# File 'lib/lemon/coverage/generator.rb', line 69

def private?
  @private
end

#render(units) ⇒ Object

Generate code template.



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# File 'lib/lemon/coverage/generator.rb', line 155

def render(units)
  code = []
  mods = units.group_by{ |u| u.namespace }
  mods.each do |mod, units|
    code << "#{term_case} #{mod} do"
    units.each do |unit|
      next unless private? or unit.public?
      if unit.singleton?
        code << "\n  #{term_class_method} :#{unit.method} do"
        code << "\n    test '' do"
        code << "\n    end"
        code << "\n  end"
      else
        code << "\n  #{term_method} :#{unit.method} do"
        code << "\n    test '' do"
        code << "\n    end"
        code << "\n  end"
      end
    end
    code << "\nend\n"
  end
  code.join("\n")
end

#term_case ⇒ Object 



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# File 'lib/lemon/coverage/generator.rb', line 180

def term_case
  @caps ? 'TestCase' : 'test_case'
end

#term_class_method ⇒ Object 



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# File 'lib/lemon/coverage/generator.rb', line 185

def term_class_method
  @caps ? 'ClassMethod' : 'class_method'
end

#term_method ⇒ Object 



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# File 'lib/lemon/coverage/generator.rb', line 190

def term_method
  @caps ? 'Method' : 'method'
end

#units_by_case ⇒ Object 



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# File 'lib/lemon/coverage/generator.rb', line 126

def units_by_case
  units = []
  files.each do |file|
    units.concat SourceParser.parse_units(File.read(file))
  end
  units.group_by{ |u| u.namespace }
end

#units_by_file ⇒ Object 



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# File 'lib/lemon/coverage/generator.rb', line 135

def units_by_file
  map = {}
  files.each do |file|
    units = SourceParser.parse_units(File.read(file))
    map[file] = units
  end
  map
end