rspec users - Nov 2011 - How to write view specs with multiple forms

Hi guys,

I don''t know how to write an spec for a view template with two or more
forms. The follow content corresponds to the file named home.html.haml

!!! 5
= form_for(:session, :url => sessions_path) do |f|
  .field
    = f.label :email
    = f.text_field :email
  .field
    = f.label :password
    = f.password_field :password
  .actions
    = f.submit "Sign in"
= form_for(@user) do |f|
  .field
    = f.text_field :fullname
  .field
    = f.text_field :email
  .field
    = f.password_field :password
  .actions
    = f.submit "Sign up"

The _spec file (home.html.haml_spec.rb) content is:

require ''spec_helper''

describe "pages/home.html.haml" do

  describe ''sign in form'' do

    before(:each) do
      render
    end

    it ''should render a form to create a new session'' do
      rendered.should have_selector("form",
                                    :method => "post",
                                    :action => sessions_path) do |
form|
        form.should have_selector("input", :type =>
"submit", :value
=> "Sign in")
      end
    end

  end # describe: ''sign in form''

  describe ''sign up form'' do

    let(:user) {mock_model("User").as_new_record.as_null_object}

    before(:each) do
      assign(:user, user)
      render
    end

    it ''should render a form to create a new user'' do
      rendered.should have_selector("form",
                                    :method => "post",
                                    :action => users_path) do |form|
        form.should have_selector("input", :type =>
"submit", :value
=> "Sign up")
      end
    end

  end # describe: ''sign up form''

end

As this, the second example passes and the first doesn''t. Rspec shows
the message "undefined method model_name for Nilclass:Class". If I
delete the second form, the first example passes.

Anybody can tell me how to use have_selector properly?

thanks a lot.

On Nov 8, 2011, at 12:53 AM, emadridm wrote:
> Hi guys,
> 
> I don''t know how to write an spec for a view template with two or
more
> forms. The follow content corresponds to the file named home.html.haml
> 
> !!! 5
> = form_for(:session, :url => sessions_path) do |f|
>  .field
>    = f.label :email
>    = f.text_field :email
>  .field
>    = f.label :password
>    = f.password_field :password
>  .actions
>    = f.submit "Sign in"
> = form_for(@user) do |f|
>  .field
>    = f.text_field :fullname
>  .field
>    = f.text_field :email
>  .field
>    = f.password_field :password
>  .actions
>    = f.submit "Sign up"
> 
> The _spec file (home.html.haml_spec.rb) content is:
> 
> require ''spec_helper''
> 
> describe "pages/home.html.haml" do
> 
>  describe ''sign in form'' do
> 
>    before(:each) do
>      render
>    end
> 
>    it ''should render a form to create a new session'' do
>      rendered.should have_selector("form",
>                                    :method => "post",
>                                    :action => sessions_path) do |
> form|
>        form.should have_selector("input", :type =>
"submit", :value
> => "Sign in")
>      end
>    end
> 
>  end # describe: ''sign in form''
> 
>  describe ''sign up form'' do
> 
>    let(:user) {mock_model("User").as_new_record.as_null_object}
> 
>    before(:each) do
>      assign(:user, user)
>      render
>    end
> 
>    it ''should render a form to create a new user'' do
>      rendered.should have_selector("form",
>                                    :method => "post",
>                                    :action => users_path) do |form|
>        form.should have_selector("input", :type =>
"submit", :value
> => "Sign up")
>      end
>    end
> 
>  end # describe: ''sign up form''
> 
> end
> 
> As this, the second example passes and the first doesn''t. Rspec
shows
> the message "undefined method model_name for Nilclass:Class". If
I
> delete the second form, the first example passes.
> 
> Anybody can tell me how to use have_selector properly?
You''ve got to scope the forms so it can find both. Something like:

.sign-in-form
= form_for(:session, :url => sessions_path) do |f|
...
.sign-up-form
= form_for(@user) do |f|

Now the spec can be more specific:

rendered.should have_selector(".sign-in-form form",
....

rendered.should have_selector(".sign-up-form form",
....

HTH,
David