method

assert_blank

v4.0.2 - Show latest stable - Class: ActiveSupport::Testing::Assertions

assert_blank(object, message=nil)

public

Test if an expression is blank. Passes if object.blank? is true.

assert_blank []   # => true
assert_blank [[]] # => [[]] is not blank

An error message can be specified.

assert_blank [], 'this should be blank'

# File activesupport/lib/active_support/testing/assertions.rb, line 105
      def assert_blank(object, message=nil)
        ActiveSupport::Deprecation.warn('"assert_blank" is deprecated. Please use "assert object.blank?" instead')
        message ||= "#{object.inspect} is not blank"
        assert object.blank?, message
      end

assert_blank

Related methods