method

assert_raises

v1_9_3_125 - Show latest stable - 0 notes - Class: Assertions

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What's this?

assert_raises(*exp) public

Fails unless the block raises one of exp

# File lib/minitest/unit.rb, line 325
    def assert_raises *exp
      msg = "#{exp.pop}\n" if String === exp.last

      should_raise = false
      begin
        yield
        should_raise = true
      rescue MiniTest::Skip => e
        details = "#{msg}#{mu_pp(exp)} exception expected, not"

        if exp.include? MiniTest::Skip then
          return e
        else
          raise e
        end
      rescue Exception => e
        details = "#{msg}#{mu_pp(exp)} exception expected, not"
        assert(exp.any? { |ex|
                 ex.instance_of?(Module) ? e.kind_of?(ex) : ex == e.class
               }, exception_details(e, details))

        return e
      end

      exp = exp.first if exp.size == 1
      flunk "#{msg}#{mu_pp(exp)} expected but nothing was raised." if
        should_raise
    end

assert_raises

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