Class: DataMapper::Matchers::BelongTo

Inherits:
Object
  • Object
show all
Defined in:
lib/dm/matchers/belong_to.rb

Instance Method Summary collapse

Constructor Details

#initialize(parent) ⇒ BelongTo

Returns a new instance of BelongTo.



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# File 'lib/dm/matchers/belong_to.rb', line 5

def initialize(parent)
  @parent = parent
end

Instance Method Details

#description ⇒ Object 



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# File 'lib/dm/matchers/belong_to.rb', line 26

def description
  "belongs to #{@parent}"
end

#failure_message ⇒ Object 



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# File 'lib/dm/matchers/belong_to.rb', line 18

def failure_message
  "expected to belong to #{@parent}"
end

#matches?(child) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dm/matchers/belong_to.rb', line 9

def matches?(child)
  child_class = child.is_a?(Class) ? child : child.class
  relation = child_class.relationships[@parent.to_s]

  relation and
  relation.is_a?(DataMapper::Associations::ManyToOne::Relationship) and
  relation.child_model == child_class
end

#negative_failure_message ⇒ Object 



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# File 'lib/dm/matchers/belong_to.rb', line 22

def negative_failure_message
  "expected to not belong to #{@parent}"
end