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# frozen_string_literal: true
require "minitest/mock"
module ActiveSupport
module Testing
module MethodCallAssertions # :nodoc:
private
def assert_called(object, method_name, message = nil, times: 1, returns: nil)
times_called = 0
object.stub(method_name, proc { times_called += 1; returns }) { yield }
error = "Expected #{method_name} to be called #{times} times, " \
"but was called #{times_called} times"
error = "#{message}.\n#{error}" if message
assert_equal times, times_called, error
end
def assert_called_with(object, method_name, args = [], returns: nil)
mock = Minitest::Mock.new
if args.all? { |arg| arg.is_a?(Array) }
args.each { |arg| mock.expect(:call, returns, arg) }
else
mock.expect(:call, returns, args)
end
object.stub(method_name, mock) { yield }
mock.verify
end
def assert_not_called(object, method_name, message = nil, &block)
assert_called(object, method_name, message, times: 0, &block)
end
# TODO: No need to resort to #send once support for Ruby 2.4 is
# dropped.
def assert_called_on_instance_of(klass, method_name, message = nil, times: 1, returns: nil)
times_called = 0
klass.send(:define_method, "stubbed_#{method_name}") do |*|
times_called += 1
returns
end
klass.send(:alias_method, "original_#{method_name}", method_name)
klass.send(:alias_method, method_name, "stubbed_#{method_name}")
yield
error = "Expected #{method_name} to be called #{times} times, but was called #{times_called} times"
error = "#{message}.\n#{error}" if message
assert_equal times, times_called, error
ensure
klass.send(:alias_method, method_name, "original_#{method_name}")
klass.send(:undef_method, "original_#{method_name}")
klass.send(:undef_method, "stubbed_#{method_name}")
end
def assert_not_called_on_instance_of(klass, method_name, message = nil, &block)
assert_called_on_instance_of(klass, method_name, message, times: 0, &block)
end
def stub_any_instance(klass, instance: klass.new)
klass.stub(:new, instance) { yield instance }
end
end
end
end
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