diff options
Diffstat (limited to 'activesupport/lib/active_support/testing/assertions.rb')
-rw-r--r-- | activesupport/lib/active_support/testing/assertions.rb | 46 |
1 files changed, 17 insertions, 29 deletions
diff --git a/activesupport/lib/active_support/testing/assertions.rb b/activesupport/lib/active_support/testing/assertions.rb index 8466049e20..8b649c193f 100644 --- a/activesupport/lib/active_support/testing/assertions.rb +++ b/activesupport/lib/active_support/testing/assertions.rb @@ -3,6 +3,22 @@ require 'active_support/core_ext/object/blank' module ActiveSupport module Testing module Assertions + # Assert that an expression is not truthy. Passes if <tt>object</tt> is + # +nil+ or +false+. "Truthy" means "considered true in a conditional" + # like <tt>if foo</tt>. + # + # assert_not nil # => true + # assert_not false # => true + # assert_not 'foo' # => Expected "foo" to be nil or false + # + # An error message can be specified. + # + # assert_not foo, 'foo should be false' + def assert_not(object, message = nil) + message ||= "Expected #{mu_pp(object)} to be nil or false" + assert !object, message + end + # Test numeric difference between the return value of an expression as a # result of what is evaluated in the yielded block. # @@ -50,7 +66,7 @@ module ActiveSupport exps = expressions.map { |e| e.respond_to?(:call) ? e : lambda { eval(e, block.binding) } } - before = exps.map { |e| e.call } + before = exps.map(&:call) yield @@ -76,34 +92,6 @@ module ActiveSupport def assert_no_difference(expression, message = nil, &block) assert_difference expression, 0, message, &block end - - # Test if an expression is blank. Passes if <tt>object.blank?</tt> - # is +true+. - # - # assert_blank [] # => true - # assert_blank [[]] # => [[]] is not blank - # - # An error message can be specified. - # - # assert_blank [], 'this should be blank' - def assert_blank(object, message=nil) - message ||= "#{object.inspect} is not blank" - assert object.blank?, message - end - - # Test if an expression is not blank. Passes if <tt>object.present?</tt> - # is +true+. - # - # assert_present({ data: 'x' }) # => true - # assert_present({}) # => {} is blank - # - # An error message can be specified. - # - # assert_present({ data: 'x' }, 'this should not be blank') - def assert_present(object, message=nil) - message ||= "#{object.inspect} is blank" - assert object.present?, message - end end end end |