On Mon, Mar 15, 2010 at 7:24 AM, jollyroger
<timo.roess...@googlemail.com> wrote:
> Hey guys,
>
> unfortunately I've got one more issue with rspec right now.
>
> It seems like rspec isnt properly cleaning up the database after each
> spec.
>
> I have the following spec:
>
> ###################################################################
> describe ProfilesController do
> describe "GET 'index'" do
> it 'should render active profiles' do
> active_user = Factory(:user, :active => 1)
> active_user.profile = Factory.build(:profile)
> inactive_user = Factory(:user, :active => 0)
> inactive_user.profile = Factory.build(:profile)
> get 'index'
> assigns[:profiles].should == [active_user.profile]
> end
> end
> # ......
> end
> ###################################################################
>
> This spec fails with:
>
> ###################################################################
> 'ProfilesController GET 'index' should render active profiles' FAILED
> expected: [#<Profile id: 83, user_id: 80, real_name: "Wendy Moore",
> country: "Yemen, Rep.", icon_file_name: nil, icon_content_type: nil,
> icon_file_size: nil, icon_updated_at: nil, description: "I've gotten
> burned over Cheryl Tiegs and blown up f...", personal_website_url:
> "www.google.com", social_network_of_choice: nil, twitter_name:
> "Sarah", created_at: "2010-03-15 11:41:56", updated_at: "2010-03-15
> 11:41:56">],
> got: [#<Profile id: 83, user_id: 80, real_name: "Wendy Moore",
> country: "Yemen, Rep.", icon_file_name: nil, icon_content_type: nil,
> icon_file_size: nil, icon_updated_at: nil, description: "I've gotten
> burned over Cheryl Tiegs and blown up f...", personal_website_url:
> "www.google.com", social_network_of_choice: nil, twitter_name:
> "Sarah", created_at: "2010-03-15 11:41:56", updated_at: "2010-03-15
> 11:41:56">, #<Profile id: 37, user_id: 37, real_name: nil, country:
> nil, icon_file_name: nil, icon_content_type: nil, icon_file_size: nil,
> icon_updated_at: nil, description: nil, personal_website_url: nil,
> social_network_of_choice: nil, twitter_name: nil, created_at:
> "2010-03-15 11:21:15", updated_at: "2010-03-15 11:21:15">, #<Profile
> id: 40, user_id: 40, real_name: nil, country: nil, icon_file_name:
> nil, icon_content_type: nil, icon_file_size: nil, icon_updated_at:
> nil, description: nil, personal_website_url: nil,
> social_network_of_choice: nil, twitter_name: nil, created_at:
> "2010-03-15 11:21:15", updated_at: "2010-03-15 11:21:15">, #<Profile
> id: 52, user_id: 52, real_name: nil, country: nil, icon_file_name:
> nil, icon_content_type: nil, icon_file_size: nil, icon_updated_at:
> nil, description: nil, personal_website_url: nil,
> social_network_of_choice: nil, twitter_name: nil, created_at:
> "2010-03-15 11:21:15", updated_at: "2010-03-15 11:21:15">] (using ==)
> ###################################################################
>
> As you can see, the problem is that there are more profiles than
> actually expected.
>
> Running this exact spec alone is ok:
>
> ###################################################################
> spec spec/controllers/profiles_controller_spec.rb -l 17
> .
>
> Finished in 7.743924 seconds
>
> 1 example, 0 failures
> ###################################################################
>
> The same goes for the whole spec-file itself:
>
> ###################################################################
> spec spec/controllers/profiles_controller_spec.rb
> ............
>
> Finished in 6.108002 seconds
>
> 12 examples, 0 failures
> ###################################################################
>
> A quick debugging via:
>
> ###################################################################
> it 'should render active profiles' do
> custom_log("Profile-count before: #{Profile.count.to_s}")
> # ........ see code from before
> get 'index'
> custom_log("Profile-count after: #{Profile.count.to_s}")
> assigns[:profiles].should == [active_user.profile]
> end
> ###################################################################
>
> shows:
>
> ###################################################################
> Profile-count before: 3
> Profile-count after: 5
> ###################################################################
>
> Apparently the problem is, that there are still previously created
> profiles around.
>
> As far as I've understood rspec, shouldn't the database be properly
> cleaned up after each spec?
> In other words, shouldn't there be zero profiles before running the
> spec from above?
rspec-rails hooks into rails' transaction management, rolling back
transactions after every example. It does not guarantee that your
database is empty - just that it is in the same state after each
example that it was in before. Now there are a couple of caveats here:
1 - you have to have "config.use_transactional_fixtures = true" in
spec/spec_helper.rb
This is rails' nomenclature and really means "run each example in a transaction"
2 - if you use before(:all) anywhere in your suite, that code is _not_
run in a transaction and it is up to you to destroy any data you
create.
HTH,
David
> Sys-Info:
> OS: Ubuntu 9.10
> spec -v
> rspec 1.3.0
> Mocking / Stubbing: Mocha 0.9.8
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