diff options
Diffstat (limited to 'activesupport/lib')
-rw-r--r-- | activesupport/lib/active_support/testing/core_ext/test/unit/assertions.rb | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/activesupport/lib/active_support/testing/core_ext/test/unit/assertions.rb b/activesupport/lib/active_support/testing/core_ext/test/unit/assertions.rb index 63d1ba6507..e5853bf828 100644 --- a/activesupport/lib/active_support/testing/core_ext/test/unit/assertions.rb +++ b/activesupport/lib/active_support/testing/core_ext/test/unit/assertions.rb @@ -37,15 +37,18 @@ module Test # end def assert_difference(expressions, difference = 1, message = nil, &block) expression_evaluations = Array(expressions).map do |expression| - lambda do + [expression, lambda do eval(expression, block.__send__(:binding)) - end + end] end - original_values = expression_evaluations.inject([]) { |memo, expression| memo << expression.call } + original_values = expression_evaluations.inject([]) { |memo, expression| memo << expression[1].call } yield expression_evaluations.each_with_index do |expression, i| - assert_equal original_values[i] + difference, expression.call, message + full_message = "" + full_message << "#{message}.\n" if message + full_message << "<#{expression[0]}> was the expression that failed" + assert_equal original_values[i] + difference, expression[1].call, full_message end end |