rspec users - Oct 2007 - How do you specify a rubygem is being required?

Hi

I''m loading a gem on demand but can''t find a way to spec it.

Assuming rubygems is already loaded, I assumed the following would work:

   describe SqliteConnection, " class" do
     it "should require ''sqlite3''" do
       Kernel.should_receive(:require).with("sqlite3")
       SqliteConnection.new
     end
   end

Unfortunately it seems that rubygems does something funky to  
"require" because it works as a standalone method, but not as a  
Kernel.require call (ie Kernel.require ''sqlite3'' =>
"LoadError: no
such file to load -- sqlite3").  Do I need to set the expectation on  
the "main" object?  I have also tried this:

   main_object = self

   describe SqliteConnection, " class" do
     it "should require ''sqlite3''" do
       main_object.should_receive(:require).with("sqlite3")
       SqliteConnection.new
     end
   end

but fails with this:

   Mock ''Object'' expected :require with ("sqlite3")
but received it
with ("sqlite3/database")

(!!!)

I''m at a loss, I hope someone can help

Thanks
Ashley


-- 
blog @ http://aviewfromafar.net/
linked-in @ http://www.linkedin.com/in/ashleymoran
currently @ home

RubyGems does indeed muck with the "require" method.

I believe the current version uses the "gem" method and deprecates the
"require" method.  Rails warns me about something to that effect
whenever I run script/server, anyway.

Not that I seem to have given you any real help with your spec question....


Al

----- Original Message ----
From: Ashley Moran <work at ashleymoran.me.uk>
To: rspec-users <rspec-users at rubyforge.org>
Sent: Wednesday, October 24, 2007 3:49:22 PM
Subject: [rspec-users] How do you specify a rubygem is being required?


Hi

I''m loading a gem on demand but can''t find a way to spec it.

Assuming rubygems is already loaded, I assumed the following would
 work:

   describe SqliteConnection, " class" do
     it "should require ''sqlite3''" do
       Kernel.should_receive(:require).with("sqlite3")
       SqliteConnection.new
     end
   end

Unfortunately it seems that rubygems does something funky to  
"require" because it works as a standalone method, but not as a  
Kernel.require call (ie Kernel.require ''sqlite3'' =>
"LoadError: no
such file to load -- sqlite3").  Do I need to set the expectation on  
the "main" object?  I have also tried this:

   main_object = self

   describe SqliteConnection, " class" do
     it "should require ''sqlite3''" do
       main_object.should_receive(:require).with("sqlite3")
       SqliteConnection.new
     end
   end

but fails with this:

   Mock ''Object'' expected :require with ("sqlite3")
but received it
with ("sqlite3/database")

(!!!)

I''m at a loss, I hope someone can help

Thanks
Ashley


-- 
blog @ http://aviewfromafar.net/
linked-in @ http://www.linkedin.com/in/ashleymoran
currently @ home

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On Oct 25, 2007, at 3:08 am, Al Chou wrote:
> I believe the current version uses the "gem" method and
deprecates
> the "require" method.  Rails warns me about something to that  
> effect whenever I run script/server, anyway.
>
> Not that I seem to have given you any real help with your spec  
> question....

Actually no, you were spot on!  Using gem allows me to write  
Kernel.gem / Kernel.should_receive(:gem) etc.

Thanks!
Ashley


-- 
blog @ http://aviewfromafar.net/
linked-in @ http://www.linkedin.com/in/ashleymoran
currently @ home

Glad that was helpful!

Al

----- Original Message ----
From: Ashley Moran <work at ashleymoran.me.uk>
To: rspec-users <rspec-users at rubyforge.org>
Sent: Thursday, October 25, 2007 12:01:11 PM
Subject: Re: [rspec-users] How do you specify a rubygem is being required?



On Oct 25, 2007, at 3:08 am, Al Chou wrote:
> I believe the current version uses the "gem" method and
deprecates
> the "require" method.  Rails warns me about something to that  
> effect whenever I run script/server, anyway.
>
> Not that I seem to have given you any real help with your spec  
> question....

Actually no, you were spot on!  Using gem allows me to write  
Kernel.gem / Kernel.should_receive(:gem) etc.

Thanks!
Ashley


-- 
blog @ http://aviewfromafar.net/
linked-in @ http://www.linkedin.com/in/ashleymoran
currently @ home

_______________________________________________
rspec-users mailing list
rspec-users at rubyforge.org
http://rubyforge.org/mailman/listinfo/rspec-users




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