Exception: Assay::NilFailure

Inherits:
CompareFailure show all
Defined in:
lib/assay/assertions/nil_failure.rb

Constant Summary

Constants inherited from Assertion

Assertion::SIZE_LIMIT

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Assertion

assert, #assert, assertable_method, #assertion?, #fail?, fail?, #initialize, #negative?, #pass?, refute, #refute, #set_arguments, #set_negative, to_matcher

Constructor Details

This class inherits a constructor from Assay::Assertion

Class Method Details

.assertion_name ⇒ Object 



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# File 'lib/assay/assertions/nil_failure.rb', line 7

def self.assertion_name
  :nil
end

.assertion_operator ⇒ Object 



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# File 'lib/assay/assertions/nil_failure.rb', line 11

def self.assertion_operator
  :nil?
end

.pass?(exp) ⇒ Boolean

Check assertion.

Returns:

  • (Boolean) 


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# File 'lib/assay/assertions/nil_failure.rb', line 16

def self.pass?(exp)
  exp.nil?
end

Instance Method Details

#to_s ⇒ Object 



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# File 'lib/assay/assertions/nil_failure.rb', line 21

def to_s
  return @mesg if @mesg
  return super unless @arguments.size == 1

  exp = @arguments[0].inspect

  if @_negated
    "Expected #{exp} to NOT be nil"
  else
    "Expected #{exp} to be nil"
  end
end