Class: Evilution::Mutator::Operator::StringLiteral

Inherits:
Base
  • Object
show all
Defined in:
lib/evilution/mutator/operator/string_literal.rb

Instance Attribute Summary

Attributes inherited from Base

#mutations

Instance Method Summary collapse

Methods inherited from Base

#call, clear_parse_cache!, operator_name, parsed_tree_for

Constructor Details

#initialize(skip_heredoc_literals: false, **rest) ⇒ StringLiteral

Returns a new instance of StringLiteral.



6
7
8
9
 
# File 'lib/evilution/mutator/operator/string_literal.rb', line 6

def initialize(skip_heredoc_literals: false, **rest)
  super(**rest)
  @skip_heredoc_literals = skip_heredoc_literals
end

Instance Method Details

#visit_interpolated_string_node(node) ⇒ Object 



11
12
13
14
15
16
17
18
19
20
 
# File 'lib/evilution/mutator/operator/string_literal.rb', line 11

def visit_interpolated_string_node(node)
  return super unless node.heredoc?
  return if @skip_heredoc_literals

  node.parts.each do |part|
    next if part.is_a?(Prism::StringNode)

    visit(part)
  end
end

#visit_string_node(node) ⇒ Object 



22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
 
# File 'lib/evilution/mutator/operator/string_literal.rb', line 22

def visit_string_node(node)
  return super if node.heredoc?

  replacement = node.content.empty? ? '"mutation"' : '""'

  add_mutation(
    offset: node.location.start_offset,
    length: node.location.length,
    replacement: replacement,
    node: node
  )

  add_mutation(
    offset: node.location.start_offset,
    length: node.location.length,
    replacement: "nil",
    node: node
  )

  super
end