David Chelimsky wrote:
On Mon, Jan 18, 2010 at 4:01 AM, Pat Maddox <mailingli...@patmaddox.com> wrote:
On Jan 17, 2010, at 6:17 PM, Nin wrote:
Hi! I'm new to rspec and was wondering how named_scopes are usually
tested? Is it enough to test that it's defined? or do you need to test
the behavior as well? I've been reading around and this seems to be
the tester's choice, i just want to get people's opinion on this :D
class User < ActiveRecord::Base
named_scope :admins, :conditions => {:admin => true}
end
describe User, "admins" do
it "should include users with admin flag" do
admin = User.create! :admin => true
User.admin.should include(admin)
end
it "should not include users without admin flag" do
admin = User.create! :admin => false
User.admin.should_not include(admin)
end
end
Small style matter, but I've leaning towards more declarative sounding
example names:
describe User, ".admins" do
it "includes users with admin flag" do
admin = User.create! :admin => true
User.admin.should include(admin)
end
it "excludes users without admin flag" do
non_admin = User.create! :admin => false
User.admin.should_not include(non_admin)
end
end
class User < ActiveRecord::Base
named_scope :admins, :conditions => {:admin => true}
end
We still have 'should' in the examples, but this produces more
'spec-like' output:
User.admins
includes users with admin flag
excludes users without admin flag
FWIW,
David
Another small style matter.. I like using the :: notation for class
methods as that is what the documentation tools tend to use (RDoc and Yard):
describe User, "::admins" do
...
...
end
On the topic of RSpec as a form of documentation has anyone used the
yard-doc rspec plugin? It appears to be pretty limited ATM but seems
very cool with a lot of potential. Just like Ioke's docs it embeds the
specs as part of the documentation with the option to view the source.
Here is the example from the projects home page:
http://lsegal.github.com/yard-spec-plugin/String.html#pig_latin-instance_method
-Ben
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