Class: RSpecial::Have

Inherits:
Object
  • Object
show all
Defined in:
lib/rspecial/have.rb

Overview

Delegate to Have Assays.

Defined Under Namespace

Modules: Helpers

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(expected, relation = :exactly) ⇒ Have

Initialize new Have delegator.



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# File 'lib/rspecial/have.rb', line 16

def initialize(expected, relation=:exactly)
  @expected = case expected
              when :no then 0
              when String then expected.to_i
              else expected
              end
  @relation        = relation
  @collection_name = nil
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method, *args, &block) ⇒ Object 



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# File 'lib/rspecial/have.rb', line 49

def method_missing(method, *args, &block)
  @collection_name = method
  @args  = args
  @block = block

  case @relation
  when :at_least
    RSpecial::HaveAtLeastAssay.assertor(self)
  when :at_most
    RSpecial::HaveAtMostAssay.assertor(self)
  else
    RSpecial::HaveExactlyAssay.assertor(self)
  end
end

Instance Attribute Details

#collection_name ⇒ Object (readonly)

Returns the value of attribute collection_name.



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# File 'lib/rspecial/have.rb', line 9

def collection_name
  @collection_name
end

#expected ⇒ Object (readonly)

Returns the value of attribute expected.



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# File 'lib/rspecial/have.rb', line 7

def expected
  @expected
end

#relation ⇒ Object (readonly)

Returns the value of attribute relation.



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# File 'lib/rspecial/have.rb', line 11

def relation
  @relation
end

Instance Method Details

#collection(collection_or_owner) ⇒ Object

Parameters:

  • collection_or_owner (#size, #length, #count) 


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# File 'lib/rspecial/have.rb', line 29

def collection(collection_or_owner)
  if collection_or_owner.respond_to?(@collection_name)
    collection_or_owner.__send__(@collection_name, *@args, &@block)
  elsif query_method(collection_or_owner)
    collection_or_owner
  else
    collection_or_owner.__send__(@collection_name, *@args, &@block)
  end
end

#query_method(collection) ⇒ Object 



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# File 'lib/rspecial/have.rb', line 42

def query_method(collection)
  [:size, :length, :count].detect {|m| collection.respond_to?(m)}
end