On 22 Apr 2009, at 01:43, Anthony Broad-Crawford wrote:
I am writing a gem and using RSpec to drive my development.
However, whenever I describe a class within the gems lib I get an
uninitialized constant error. I am placing my folder structure,
spec.rake and first spec below. I feel I must be missing something
obvious. Additionally, I did output the value of f in lib inclusion
code and it is traversing the lib folder correctly and I can
instantiate the class in my rake.spec. Thanks for your time.
gem_name
+ lib
+gem_name
-foo.rb
+spec
- foo_spec.rb
+tasks
- spec.rake
my spec rake
require 'rubygems'
require 'spec'
require 'spec/rake/spectask'
Dir[File.expand_path("lib/**/*.rb")].each do |f|
require f
end
Spec::Rake::SpecTask.new do |t|
t.spec_files = FileList['spec/*_spec.rb']
end
and my spec
describe Foo do
end
The error I get
./spec/Foo_spec.rb:1: uninitialized constant Foo (NameError)
from /Library/Ruby/Gems/1.8/gems/rspec-1.2.4/lib/spec/runner/
example_group_runner.rb:15:in `load'
from /Library/Ruby/Gems/1.8/gems/rspec-1.2.4/lib/spec/runner/
example_group_runner.rb:15:in `load_files'
from /Library/Ruby/Gems/1.8/gems/rspec-1.2.4/lib/spec/runner/
example_group_runner.rb:14:in `each'
from /Library/Ruby/Gems/1.8/gems/rspec-1.2.4/lib/spec/runner/
example_group_runner.rb:14:in `load_files'
from /Library/Ruby/Gems/1.8/gems/rspec-1.2.4/lib/spec/runner/
options.rb:99:in `run_examples'
from /Library/Ruby/Gems/1.8/gems/rspec-1.2.4/lib/spec/runner/
command_line.rb:9:in `run'
from /Library/Ruby/Gems/1.8/gems/rspec-1.2.4/bin/spec:4
rake aborted!
Command /System/Library/Frameworks/Ruby.framework/Versions/1.8/usr/
bin/ruby -I"/Library/Ruby/Gems/1.8/gems/rspec-1.2.4/lib" "/Library/
Ruby/Gems/1.8/gems/rspec-1.2.4/bin/spec" "spec/foo_spec.rb" failed
Thanks again!
You need to make sure that the foo_spec.rb requires the code in lib.
The usual way to do this is to have a file 'spec_helper' in the root
of the spec folder which requires the files in lib, then require
spec_helper from foo_spec. That means that if you need to require
anything else (e.g. mocking libraries) for all your spec files, you
can just put it in spec_helper.
Take a look at the specs for Cucumber, or practially any project on
github that has a 'spec' folder in it's root, for an example.
Matt Wynne
http://beta.songkick.com
http://blog.mattwynne.net
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