class Cucumber::CucumberExpressions::CombinatorialGeneratedExpressionFactory

Public Class Methods

new(expression_template, parameter_type_combinations) click to toggle source
# File lib/cucumber/cucumber_expressions/combinatorial_generated_expression_factory.rb, line 7
def initialize(expression_template, parameter_type_combinations)
  @expression_template = expression_template
  @parameter_type_combinations = parameter_type_combinations
end

Public Instance Methods

generate_expressions() click to toggle source
# File lib/cucumber/cucumber_expressions/combinatorial_generated_expression_factory.rb, line 12
def generate_expressions
  generated_expressions = []
  generate_permutations(generated_expressions, 0, [])
  generated_expressions
end

Private Instance Methods

generate_permutations(generated_expressions, depth, current_parameter_types) click to toggle source
# File lib/cucumber/cucumber_expressions/combinatorial_generated_expression_factory.rb, line 20
def generate_permutations(generated_expressions, depth, current_parameter_types)
  if depth == @parameter_type_combinations.length
    generated_expression = GeneratedExpression.new(@expression_template, current_parameter_types)
    generated_expressions.push(generated_expression)
    return
  end

  (0...@parameter_type_combinations[depth].length).each do |i|
    new_current_parameter_types = current_parameter_types.dup # clone
    new_current_parameter_types.push(@parameter_type_combinations[depth][i])
    generate_permutations(
        generated_expressions,
        depth + 1,
        new_current_parameter_types
    )
  end
end