instiki/vendor/rails/activesupport/lib/active_support/testing/deprecation.rb
Jacques Distler 664552ac02 Rails 2.3.3.1
Update to latest Rails.
A little bit of jiggery-pokery is involved, since they
neglected to re-include vendored Rack in this release.
2009-08-04 10:16:03 -05:00

58 lines
1.7 KiB
Ruby

require "active_support/core_ext/module"
module ActiveSupport
module Testing
module Deprecation #:nodoc:
def assert_deprecated(match = nil, &block)
result, warnings = collect_deprecations(&block)
assert !warnings.empty?, "Expected a deprecation warning within the block but received none"
if match
match = Regexp.new(Regexp.escape(match)) unless match.is_a?(Regexp)
assert warnings.any? { |w| w =~ match }, "No deprecation warning matched #{match}: #{warnings.join(', ')}"
end
result
end
def assert_not_deprecated(&block)
result, deprecations = collect_deprecations(&block)
assert deprecations.empty?, "Expected no deprecation warning within the block but received #{deprecations.size}: \n #{deprecations * "\n "}"
result
end
private
def collect_deprecations
old_behavior = ActiveSupport::Deprecation.behavior
deprecations = []
ActiveSupport::Deprecation.behavior = Proc.new do |message, callstack|
deprecations << message
end
result = yield
[result, deprecations]
ensure
ActiveSupport::Deprecation.behavior = old_behavior
end
end
end
end
begin
require 'test/unit/error'
module Test
module Unit
class Error # :nodoc:
# Silence warnings when reporting test errors.
def message_with_silenced_deprecation
ActiveSupport::Deprecation.silence do
message_without_silenced_deprecation
end
end
alias_method_chain :message, :silenced_deprecation
end
end
end
rescue LoadError
# Using miniunit, ignore.
end