I think that the message is saying that the value of Artist.count after the
create is 1 when it should be 2, rather than the expected difference being
2, though I am not sure whether this is what you are confused about or not.
By the way,
assert_difference('Artist.count', 1) do
may be what you want, though I don't think that will make any difference to
the result.
2009/4/30 Luciano <[email protected]>
>
> Hello there,
>
> I working on my tests but I getting this strange errror:
>
> I can see on the database that the object was created but I still got
> an failure on my test.
>
> this is my test code:
>
> test "should create artist" do
> assert_difference('Artist.count', difference = 1) do
> post :create, :artist => { }
> end
> assert_redirected_to artist_path(assigns(:artist))
> end
>
> and this is my failure message:
>
> 1) Failure:
> test_should_create_artist(ArtistsControllerTest)
> [/Users/bonacode/Desktop/arteacesso-br/arteacesso/vendor/rails/
> activesupport/lib/active_support/testing/core_ext/test/unit/
> assertions.rb:51:in `assert_difference'
> (eval):3:in `each_with_index'
> /Users/bonacode/Desktop/arteacesso-br/arteacesso/vendor/rails/
> activesupport/lib/active_support/testing/core_ext/test/unit/
> assertions.rb:47:in `each'
> /Users/bonacode/Desktop/arteacesso-br/arteacesso/vendor/rails/
> activesupport/lib/active_support/testing/core_ext/test/unit/
> assertions.rb:47:in `each_with_index'
> /Users/bonacode/Desktop/arteacesso-br/arteacesso/vendor/rails/
> activesupport/lib/active_support/testing/core_ext/test/unit/
> assertions.rb:47:in `assert_difference'
> ./test/functional/artists_controller_test.rb:16:in
> `test_should_create_artist'
> /Users/bonacode/Desktop/arteacesso-br/arteacesso/vendor/rails/
> activesupport/lib/active_support/testing/setup_and_teardown.rb:60:in
> `__send__'
> /Users/bonacode/Desktop/arteacesso-br/arteacesso/vendor/rails/
> activesupport/lib/active_support/testing/setup_and_teardown.rb:60:in
> `run']:
> <Artist.count> was the expression that failed.
> <2> expected but was
> <1>.
>
> I checking the database and my use was created, I just dont't
> understand why is it expecting 2 if there's only one on my fixture...
>
> thanks for any help!
>
> Luciano
>
>
>
> >
>
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