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require 'active_support/deprecation'
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'
rescue LoadError
# Using miniunit, ignore.
else
module Test
module Unit
class Error #:nodoc:
# Silence warnings when reporting test errors.
def message_with_silenced_deprecation
ActiveSupport::Deprecation.silence { message_without_silenced_deprecation }
end
alias_method :message_without_silenced_deprecation, :message
alias_method :message, :message_with_silenced_deprecation
end
end
end
end
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