Class: RSpec::Scaffold::ConditionExhibit

Inherits:
Ryan::Condition
  • Object
show all
Defined in:
lib/rspec/scaffold/condition_exhibit.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(condition, indent = ' ') ⇒ ConditionExhibit

Returns a new instance of ConditionExhibit.



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# File 'lib/rspec/scaffold/condition_exhibit.rb', line 7

def initialize(condition, indent = '    ')
  super(condition)
  @indent, @second_indent = indent, indent + (' ' * 2)
end

Instance Attribute Details

#indent ⇒ Object (readonly)

Returns the value of attribute indent.



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# File 'lib/rspec/scaffold/condition_exhibit.rb', line 5

def indent
  @indent
end

#second_indent ⇒ Object (readonly)

Returns the value of attribute second_indent.



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# File 'lib/rspec/scaffold/condition_exhibit.rb', line 5

def second_indent
  @second_indent
end

Instance Method Details

#call_with_modifiers(method_name, modifiers = []) ⇒ Object 



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# File 'lib/rspec/scaffold/condition_exhibit.rb', line 49

def call_with_modifiers(method_name, modifiers = [])
  Array(modifiers).inject(public_send(method_name)) { |txt, modifier| public_send(modifier, txt) }
end

#conditional_parts(condition_part, contexts = []) ⇒ Object 



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# File 'lib/rspec/scaffold/condition_exhibit.rb', line 53

def conditional_parts(condition_part, contexts = [])
  condition_part = self.class.new(condition_part, indent)
  contexts.concat(condition_part.context(:statement, [:edit_prefix, :escape]) do |lines|
    lines.concat condition_part.it(:if_text, :escape)
  end)
  if condition_part.should_print? condition_part.else_text
    contexts.concat(condition_part.context(:statement, [:negate, :edit_prefix, :escape]) do |lines|
      lines.concat condition_part.it(:else_text, :escape)
    end)
  end
  contexts
end

#context(*args) {|list| ... } ⇒ Object

Private

Yields:

  • (list) 


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# File 'lib/rspec/scaffold/condition_exhibit.rb', line 37

def context(*args)
  list = [%Q(#{indent}context #{call_with_modifiers(*args)} do), %Q(#{second_indent}before {})]
  yield list if block_given?
  list << %Q(#{indent}end)
  list
end

#edit_prefix(txt) ⇒ Object 



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# File 'lib/rspec/scaffold/condition_exhibit.rb', line 90

def edit_prefix(txt)
  txt.sub! /^if /, 'when '
  txt.sub! /^not if /, 'unless '
  txt.sub! /^if not /, 'unless '
  if txt !~ /^(when|unless|not)/
    txt = "when #{txt}"
  end
  txt
end

#escape(txt) ⇒ Object 



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# File 'lib/rspec/scaffold/condition_exhibit.rb', line 66

def escape(txt)
  txt.gsub!(/#\{(.*?)\}/m, '\#{\1}') # escape interpolations
  txt.gsub!(/"/m, "'") # replace double quotes with single quotes
  %Q("#{truncate(txt)}")
end

#it(*args) ⇒ Object 



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# File 'lib/rspec/scaffold/condition_exhibit.rb', line 44

def it(*args)
  return [] unless we_should_print? public_send(args.first)
  [%Q(), %Q(#{second_indent}it #{call_with_modifiers(*args)} do), %Q(#{second_indent}end)]
end

#negate(txt) ⇒ Object 



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# File 'lib/rspec/scaffold/condition_exhibit.rb', line 82

def negate(txt)
  if txt[/^unless /]
    txt.sub /^unless /, 'if '
  else
    "not #{txt}"
  end
end

#render(contexts = []) ⇒ Array

Parameters:

  • contexts (Array) (defaults to: []) —

    just used for recursive calls

Returns:

  • (Array) 


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# File 'lib/rspec/scaffold/condition_exhibit.rb', line 14

def render(contexts = [])
  contexts.concat(context(:statement, [:edit_prefix, :escape]) do |lines|
    lines.concat it(:if_text, :escape)
    lines << %Q() if nested_conditions.any?
    nested_conditions.each { |nc| self.class.new(nc, second_indent).render(lines) }
    lines
  end)
  contexts << %Q()
  if parts.empty?
    contexts.concat(context(:statement, [:negate, :edit_prefix, :escape]) do |lines|
      lines.concat it(:else_text, :escape)
    end)
  end
  parts.each do |condition_part|
    contexts.concat conditional_parts(condition_part)
  end
  contexts
end

#truncate(txt, length = 120) ⇒ Object 



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# File 'lib/rspec/scaffold/condition_exhibit.rb', line 72

def truncate(txt, length = 120)
  txt = txt.lstrip
  length -= 3
  if txt.length > length
    txt[0, length] + '...'
  else
    txt
  end
end

#we_should_print?(txt) ⇒ Boolean Also known as: should_print?

Returns:

  • (Boolean) 


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# File 'lib/rspec/scaffold/condition_exhibit.rb', line 100

def we_should_print?(txt)
  !txt.empty? and txt !~ /\n/
end