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require 'test/unit'
require File.dirname(__FILE__) + '/../lib/active_support/deprecation'
# Stub out the warnings to allow assertions
module ActiveSupport
module Deprecation
class << self
def issue_warning(message)
@@warning = message
end
def last_warning
@@warning
end
end
end
end
class DeprecationTestingClass
def partiallly_deprecated(foo = nil)
if foo.nil?
ActiveSupport::Deprecation.issue_warning("calling partially_deprecated with foo=nil is now deprecated")
end
end
def not_deprecated
2
end
def deprecated_no_args
1
end
deprecate :deprecated_no_args
def deprecated_one_arg(a)
a
end
deprecate :deprecated_one_arg
def deprecated_multiple_args(a,b,c)
[a,b,c]
end
deprecate :deprecated_multiple_args
end
class DeprecationTest < Test::Unit::TestCase
def setup
@dtc = DeprecationTestingClass.new
ActiveSupport::Deprecation.issue_warning(nil) # reset
end
def test_partial_deprecation
@dtc.partiallly_deprecated
assert_warning_matches /foo=nil/
end
def test_raises_nothing
assert_equal 2, @dtc.not_deprecated
end
def test_deprecating_class_method
assert_equal 1, @dtc.deprecated_no_args
assert_deprecation_warning
assert_warning_matches /DeprecationTestingClass#deprecated_no_args/
end
def test_deprecating_class_method_with_argument
assert_equal 1, @dtc.deprecated_one_arg(1)
end
def test_deprecating_class_method_with_argument
assert_equal [1,2,3], @dtc.deprecated_multiple_args(1,2,3)
end
private
def assert_warning_matches(rx)
assert ActiveSupport::Deprecation.last_warning =~ rx, "The deprecation warning did not match #{rx}"
end
def assert_deprecation_warning
assert_not_nil ActiveSupport::Deprecation.last_warning, "No Deprecation warnings were issued"
end
end
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