Class: Puppet::Pops::Types::TypeMismatch

Inherits:
ExpectedActualMismatch show all
Includes:
LabelProvider
Defined in:
lib/puppet/pops/types/type_mismatch_describer.rb

Direct Known Subclasses

PatternMismatch

Constant Summary

Constants included from LabelProvider

LabelProvider::A, LabelProvider::AN, LabelProvider::SKIPPED_CHARACTERS, LabelProvider::VOWELS

Instance Attribute Summary

Attributes inherited from ExpectedActualMismatch

#actual, #expected

Attributes inherited from Mismatch

#path

Instance Method Summary collapse

Methods included from LabelProvider

#a_an, #a_an_uc, #plural_s, #the, #the_uc

Methods inherited from ExpectedActualMismatch

#==, #hash, #initialize

Methods inherited from Mismatch

#==, #canonical_path, #chop_path, #hash, #initialize, #path_string, #to_s

Constructor Details

This class inherits a constructor from Puppet::Pops::Types::ExpectedActualMismatch

Instance Method Details

#label(o) ⇒ Object 



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# File 'lib/puppet/pops/types/type_mismatch_describer.rb', line 246

def label(o)
  o.to_s
end

#merge(path, o) ⇒ Object

Returns A new instance with the least restrictive respective boundaries.

Returns:

  • A new instance with the least restrictive respective boundaries



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# File 'lib/puppet/pops/types/type_mismatch_describer.rb', line 204

def merge(path, o)
  self.class.new(path, [expected, o.expected].flatten.uniq, actual)
end

#message(variant, position) ⇒ Object 



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# File 'lib/puppet/pops/types/type_mismatch_describer.rb', line 208

def message(variant, position)
  e = expected
  a = actual
  multi = false
  if e.is_a?(Array)
    # Use simple names when classes differ, or in other words, only include details
    # when the classes are equal.
    #
    if e.find { |t| t.class == a.class }
      e = e.map { |t| t.to_s }
      a = a.to_s
    else
      sns = e.map { |t| t.simple_name }
      e = e.map { |t| s = t.simple_name; sns.count {|x| x == s } == 1 ? s : t.to_s }
      a = a.simple_name
    end
    case e.size
    when 1
      e = e[0]
    when 2
      e = "#{e[0]} or #{e[1]}"
      multi = true
    else
      e = "#{e[0..e.size-2].join(', ')}, or #{e[e.size-1]}"
      multi = true
    end
  else
    if e.class != a.class
      e = e.simple_name
      a = a.simple_name
    else
      e = e.to_s
      a = a.to_s
    end
  end
  multi ? "#{variant}#{position} expects a value of type #{e}, got #{label(a)}" :  "#{variant}#{position} expects #{a_an(e)} value, got #{label(a)}"
end