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This method accepts three parameters: the class to which you want to assert an object
belongs and instance of the object, and an optional message to display in the event that the
assertion fails.
CHAPTER 6 ?–  ACTIVE RECORD TESTING AND DEBUGGING 133
# test_artest.rb Unit Test example
require 'artest'
require 'test/unit'
class TestArtest < Test::Unit::TestCase
def test_simple
temp = Artest.new
assert_instance_of String, temp.insult(1)
end
end
assert_kind_of
This method checks if a given object is a kind of a given class. Invoking the assert_kind_of
method is really the equivalent of calling the kind_of? Ruby method.
This method accepts three parameters: the class of which you want to assert an object is
a kind, the object, and an optional message to display the in the event that the assertion fails.
# test_artest.rb Unit Test example
require 'artest'
require 'test/unit'
class TestArtest < Test::Unit::TestCase
def test_simple
temp = Artest.new
assert_kind_of String, temp.insult(1)
end
end
assert_respond_to
This method checks if a given object responds to a given method call.


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