Class: Spectro::Mock

Inherits:
Object
  • Object
show all
Defined in:
lib/spectro/mock.rb

Class Method Summary collapse

Class Method Details

.create(file_path, method_name) ⇒ NilClass, Proc

Creates a mock of the given method for the given file based on the spec rules. If mocks are not enabled it defaults to nil

Parameters:

  • file_path (String) —

    relative path of the file that requests the lambda

  • method_name (Symbol) —

    the method name that would be implemented

Returns:

  • (NilClass, Proc) —

    the mock as Proc or nil if mocks are disabled



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# File 'lib/spectro/mock.rb', line 12

def self.create file_path, method_name
  return nil unless Spectro::Config.mocks_enabled?
 
  spec = Spectro::Spec::Parser.parse(file_path).detect do |spec|
    spec.signature.name == method_name.to_s
  end
  
  param_names = ('a'..'z').first(spec.signature.params_types.count)
  
  responses = spec.rules.inject({}) do |memo, rule|
    memo[rule.params] = rule.output  
    memo
  end
  
  return eval "
    ->(#{param_names.join(',')}) {
      if !responses.has_key?([#{param_names.join(',')}])
        raise Spectro::Exception::UnknownMockResponse.new(file_path, method_name)          
      end

      return responses[[#{param_names.join(',')}]] 
    }
  "
end