Class: TarkaMatchers::Matchers::Class::HaveAnInstanceVariableOf

Inherits:
Object
  • Object
show all
Includes:
Helpers::Utility
Defined in:
lib/tarka_matchers/matchers/class/have_an_instance_variable_of.rb

Instance Attribute Summary

Attributes included from Helpers::Utility

#description, #failure_message, #failure_message_when_negated

Instance Method Summary collapse

Methods included from Helpers::Utility

#difference, #fail_default, #fail_with_message, #negated_default, #pass_default, #pass_with_message, #selected

Constructor Details

#initialize(instance_name) ⇒ HaveAnInstanceVariableOf

Returns a new instance of HaveAnInstanceVariableOf.



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# File 'lib/tarka_matchers/matchers/class/have_an_instance_variable_of.rb', line 13

def initialize instance_name
	@instance_name = instance_name
end

Instance Method Details

#matches?(actual) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tarka_matchers/matchers/class/have_an_instance_variable_of.rb', line 22

def matches? actual
	@actual = actual.instance_variable_get(@instance_name)
	pass_default "contain an instance variable called, '#{@instance_name}', that equals '#{@expected}'."
	negated_default
	fail_default append: "#{TarkaMatchers::Formatters::Difference.difference(@expected,@actual)}"
	fail_with_message "failed to contain an instance variable called '#{@instance_name}'. It does not exist inside the class." unless actual.instance_variable_defined?(@instance_name)
	@actual == @expected
end

#that_equals(expected) ⇒ Object 



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# File 'lib/tarka_matchers/matchers/class/have_an_instance_variable_of.rb', line 17

def that_equals expected
	@expected = expected
	self
end