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# frozen_string_literal: true
require "active_support/deprecation"
module ActiveSupport
module Testing
module Deprecation #:nodoc:
def assert_deprecated(match = nil, deprecator = nil, &block)
result, warnings = collect_deprecations(deprecator, &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| match.match?(w) }, "No deprecation warning matched #{match}: #{warnings.join(', ')}"
end
result
end
def assert_not_deprecated(deprecator = nil, &block)
result, deprecations = collect_deprecations(deprecator, &block)
assert deprecations.empty?, "Expected no deprecation warning within the block but received #{deprecations.size}: \n #{deprecations * "\n "}"
result
end
def collect_deprecations(deprecator = nil)
deprecator ||= ActiveSupport::Deprecation
old_behavior = deprecator.behavior
deprecations = []
deprecator.behavior = Proc.new do |message, callstack|
deprecations << message
end
result = yield
[result, deprecations]
ensure
deprecator.behavior = old_behavior
end
end
end
end
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