Class: Evilution::Mutator::Base

Inherits:

Prism::Visitor

• Object
• Prism::Visitor
• Evilution::Mutator::Base

Defined in:

lib/evilution/mutator/base.rb

Direct Known Subclasses

Operator::ArgumentNilSubstitution, Operator::ArgumentRemoval, Operator::ArithmeticReplacement, Operator::ArrayLiteral, Operator::BlockRemoval, Operator::BooleanLiteralReplacement, Operator::BooleanOperatorReplacement, Operator::CollectionReplacement, Operator::ComparisonReplacement, Operator::ConditionalBranch, Operator::ConditionalFlip, Operator::ConditionalNegation, Operator::FloatLiteral, Operator::HashLiteral, Operator::IntegerLiteral, Operator::MethodBodyReplacement, Operator::MethodCallRemoval, Operator::NegationInsertion, Operator::NilReplacement, Operator::RangeReplacement, Operator::ReceiverReplacement, Operator::RegexpMutation, Operator::ReturnValueRemoval, Operator::SendMutation, Operator::StatementDeletion, Operator::StringLiteral, Operator::SymbolLiteral

Instance Attribute Summary

• #mutations ⇒ Object readonly

  Returns the value of attribute mutations.

Class Method Summary

• .operator_name ⇒ Object

Instance Method Summary

• #call(subject) ⇒ Object
• #initialize ⇒ Base constructor

  A new instance of Base.

Constructor Details

#initialize ⇒ Base

Returns a new instance of Base.

# File 'lib/evilution/mutator/base.rb', line 10

def initialize
  @mutations = []
  @subject = nil
  @file_source = nil
end

Instance Attribute Details

#mutations ⇒ Object (readonly)

Returns the value of attribute mutations.

# File 'lib/evilution/mutator/base.rb', line 8

def mutations
  @mutations
end

Class Method Details

.operator_name ⇒ Object

# File 'lib/evilution/mutator/base.rb', line 45

def self.operator_name
  class_name = name || "anonymous"
  class_name.split("::").last
            .gsub(/([A-Z]+)([A-Z][a-z])/, '\1_\2')
            .gsub(/([a-z\d])([A-Z])/, '\1_\2')
            .downcase
end

Instance Method Details

#call(subject) ⇒ Object

# File 'lib/evilution/mutator/base.rb', line 16

def call(subject)
  @subject = subject
  @file_source = File.read(subject.file_path)
  @mutations = []
  visit(subject.node)
  @mutations
end