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rails--rails/activesupport/test/test_test.rb

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require File.dirname(__FILE__) + '/abstract_unit'
require 'active_support/test_case'
class AssertDifferenceTest < Test::Unit::TestCase
def setup
@object = Class.new do
attr_accessor :num
def increment
self.num += 1
end
def decrement
self.num -= 1
end
end.new
@object.num = 0
end
if lambda { }.respond_to?(:binding)
def test_assert_no_difference
assert_no_difference '@object.num' do
# ...
end
end
def test_assert_difference
assert_difference '@object.num', +1 do
@object.increment
end
end
def test_assert_difference_with_implicit_difference
assert_difference '@object.num' do
@object.increment
end
end
def test_arbitrary_expression
assert_difference '@object.num + 1', +2 do
@object.increment
@object.increment
end
end
def test_negative_differences
assert_difference '@object.num', -1 do
@object.decrement
end
end
def test_expression_is_evaluated_in_the_appropriate_scope
local_scope = 'foo'
silence_warnings do
assert_difference('local_scope; @object.num') { @object.increment }
end
end
def test_array_of_expressions
assert_difference [ '@object.num', '@object.num + 1' ], +1 do
@object.increment
end
end
else
def default_test; end
end
end
# These should always pass
class NotTestingThingsTest < Test::Unit::TestCase
include ActiveSupport::Testing::Default
end
class AlsoDoingNothingTest < ActiveSupport::TestCase
end