How to get rspec-2 to give the full trace associated with a test failure?

Question

Right now if I run my test suite using rake spec I get an error:

1) SegmentsController GET \'index\' should work
   Failure/Error: get \'index\'
   u         


        

Answer 1

Another (easier) alternative is to edit the .rspec file, and add the backtrace option. It should look somewhat like this:

--colour
--backtrace

That will give you the full backtrace. Hope this helps.

Answer 2

This will also work:

# rails_helper.rb
RSpec.configure do |config|
  config.full_backtrace = true
end

Answer 3

Another approach is to clear all backtrace exclusion patterns in spec_helper.rb. I like this solution most as I'm able to keep all RSpec settings in one place and get rid of .rspec file or explicit --backtrace in .travis.yml.

# spec_helper.rb
RSpec.configure do |config|
  config.backtrace_exclusion_patterns = []
end

Answer 4

You must run rspec with -b option to see full backtraces

Answer 5

I don't know how to get the controller error to show up in rspec. Sometimes it shows up but I don't know what conditions cause it to show up. Here is a way to see the error fairly quickly though:

Open another terminal session and run:

tail -f log/test.log

Then go back to the terminal session and run just the spec that had the error:

bin/rspec -b spec/requests/posts/index_spec.rb

Go back to the tail of the log and you should see the error, hopefully without too much other stuff surrounding it (because you ran the failing test by itself).

Answer 6

One more option when all else fails is to just add a rescue block and print out the stack try or add a binding pry statement there and use show-stack.

rescue Exception => e
  puts ""
  puts e.backtrace
  puts ""