Re-executing rspec tests in existing JRuby container

Testing RSpec
1

I have a JRuby Servlet environment very much like the “Parse Once,
Eval Many Times on Servlet” example at
http://kenai.com/projects/jruby/pages/RedBridgeServletExamples.

What I am trying to do is execute an rspec test by hitting a URL
mapped to my JRuby servlet. I get an expected error the first time I
access the URL, but for each URL access after that I get the error

IOError: closed stream
write at org/jruby/RubyIO.java:1322
write at org/jruby/RubyIO.java:2305
puts at org/jruby/RubyIO.java:2260
puts at org/jruby/RubyIO.java:2252
message at C:/jboss…gems/rspec-core-2.5.1/lib/rspec/core/
formatters/base_text_formatter.rb:15
send at org/jruby/RubyKernel.java:2056
notify at C:/jboss…gems/rspec-core-2.5.1/lib/rspec/core/
reporter.rb:75
each at org/jruby/RubyArray.java:1602
notify at C:/jboss…gems/rspec-core-2.5.1/lib/rspec/core/
reporter.rb:74
message at C:/jboss…gems/rspec-core-2.5.1/lib/rspec/core/
reporter.rb:38
announce_exclusion_filter at C:/jboss…gems/rspec-core-2.5.1/lib/
rspec/core/world.rb:77
(root) at :33
which appears to be because rspec does not expect me to be assigning a
new output to reporter on each execution.

Is there a supported way to re-execute rspec multiple times without
restarting my webserver? Or does rspec expect to only be called once?

Note: I am fine (and probably require) making calls to the rspec API
directly, rather than using the command line because it is embedded in
a server.

Nathan

2

On May 4, 2011, at 2:29 PM, Nathan Voxland wrote:

I have a JRuby Servlet environment very much like the “Parse Once,
Eval Many Times on Servlet” example at
http://kenai.com/projects/jruby/pages/RedBridgeServletExamples.

What I am trying to do is execute an rspec test by hitting a URL
mapped to my JRuby servlet. I get an expected error the first time I
access the URL, but for each URL access after that I get the error

IOError: closed stream

which appears to be because rspec does not expect me to be assigning a
new output to reporter on each execution.

Is there a supported way to re-execute rspec multiple times without
restarting my webserver?

No.

Or does rspec expect to only be called once?

Yes.

RSpec is designed to automate other things, but you are trying to
automate it instead.

There is an open feature request that would probably satisfy your use
case: Execute rspec directly from ruby code · Issue #359 · rspec/rspec-core · GitHub. Please feel free
to add comments there.

Cheers,
David

3

On May 7, 2011, at 9:38 AM, David C. wrote:

Or does rspec expect to only be called once?

Yes.

RSpec is designed to automate other things, but you are trying to automate it
instead.

There is an open feature request that would probably satisfy your use case:
Execute rspec directly from ruby code · Issue #359 · rspec/rspec-core · GitHub. Please feel free to add comments
there.

Actually, after further review, you can do this (something I never
actually do - except in RSpec’s own suite!):

RSpec::Core::runner::run(options, err, out)

  • options is an array of command line options (which includes a list of
    at least one directory and/or file). Run ‘rspec --help’ to see the
    available options.
  • err is the error stream or file. It can be any IO object.
  • out is the output stream of file. It can be any IO object.

HTH,
David

4

There was a similar issue reported to rspec-core that has some more
info:

Cheers,
David

5

I’ll take a look at that.

Nathan