Spec & test helpers

Hello my name is Michael Grosser TU-Dresden / TFH-Berlin Rathershort.com

Michael Grosser

TU-Dresden / TFH-Berlin

Rathershort.com

Motivation Write less, test more Rememberable syntax Easy setup Helpful failure messages (Fast test runs)

Write less, test more

Rememberable syntax

Easy setup

Helpful failure messages

(Fast test runs)

Spec & test helpers Model Validation, Valid, Stay valid Controller Resource, Misc, it renders, Response enhancers Views Simple tests, Mails

Model Validation, Valid, Stay valid

Controller Resource, Misc, it renders, Response enhancers

Views Simple tests, Mails

Model – Validation assert_invalid_attributes User, :login=>['',nil,'admin'], :email=>['',nil,'aa'] <User.login> expected to be invalid when set to <admin>

assert_invalid_attributes User, :login=>['',nil,'admin'], :email=>['',nil,'aa']

<User.login> expected to be invalid when set to <admin>

Model – Valid fixtures = slow ad-hoc building = error_prone && not DRY Store valid sets of attributes in valid.yml

fixtures = slow

ad-hoc building = error_prone && not DRY

Store valid sets of attributes in valid.yml

Model – Valid address: name: Micha mueller street: meine strasse additional: zusatz city: stadt zip: 13088 country: DE addressable_id: 1 addressable_type: Organisation

address: name: Micha mueller street: meine strasse additional: zusatz city: stadt zip: 13088 country: DE addressable_id: 1 addressable_type: Organisation

Model – Valid post :create, :user=>valid_attributes(User) user = valid User user = valid User, :name=>'too short' user = create_valid User, :status=>'offline'

post :create, :user=>valid_attributes(User)

user = valid User

user = valid User, :name=>'too short'

user = create_valid User, :status=>'offline'

Model – Stay Valid rake db:validate_fixtures rake db:validate_models -- records - model -- 4x Access 2x Address 2x Attachment ...

rake db:validate_fixtures

rake db:validate_models

-- records - model -- 4x Access 2x Address 2x Attachment ...

Controller - Resource make_resourceful OR resource_controller Tests ? ”just test what you have added yourself” no-test-ache ? worry about 'small' changes ?

make_resourceful OR resource_controller

Tests ?

”just test what you have added yourself”

no-test-ache ?

worry about 'small' changes ?

Controller - Resource describe UsersController do before(:each) do login_as(:quentin) @item = stub_model(User,:to_param=>'1') end end behave_like_resource behave_like_resource_show

describe UsersController do before(:each) do login_as(:quentin) @item = stub_model(User,:to_param=>'1') end end

behave_like_resource

behave_like_resource_show

Controller – Misc - it_... response.should render_template('show') response.should redirect_to(movie_path(@movie)) flash[:notice].should_not be_blank

response.should render_template('show')

response.should redirect_to(movie_path(@movie))

flash[:notice].should_not be_blank

Controller – Misc - it_... it_renders :show it_redirects @user it_flashes :notice it_assigns :user, @user

it_renders :show

it_redirects @user

it_flashes :notice

it_assigns :user, @user

Controller – Response enhancers response.should render_template('index') Expected to render index, got nil response.should be_success Expected true, got false

response.should render_template('index')

Expected to render index, got nil

response.should be_success

Expected true, got false

Controller – Response enhancers Status should be redirect but was 200(success) - rendered addresses/new - Flash: :error = Address contains errors! - Errors:Errors on @address(Address): City can't be blank

Status should be redirect but was 200(success) - rendered addresses/new - Flash: :error = Address contains errors! - Errors:Errors on @address(Address): City can't be blank

Views - Simple before(:each) do assigns[:dvds] = dvds(:one) assigns[:current_user] = users :quentin @path = 'dvds/' end it &quot;renders show&quot; do render @path+&quot;show.haml&quot; end

before(:each) do assigns[:dvds] = dvds(:one) assigns[:current_user] = users :quentin @path = 'dvds/' end

it &quot;renders show&quot; do render @path+&quot;show.haml&quot; end

Views - Mails it &quot;contains link to movie&quot; do deliver(:release_notification,@user,@movie) @text.should=~%r[movies/#{@movie.id}] end

it &quot;contains link to movie&quot; do deliver(:release_notification,@user,@movie) @text.should=~%r[movies/#{@movie.id}] end

Views - Mails def deliver(action, *objs) raise &quot;no mailer&quot; unless @mailer @mailer.send(&quot;deliver_#{action.to_s}&quot;,*objs) @delivery = ActionMailer::Base.deliveries.last @text = @delivery.body_port.to_s end def mails ActionMailer::Base.deliveries end

def deliver(action, *objs) raise &quot;no mailer&quot; unless @mailer @mailer.send(&quot;deliver_#{action.to_s}&quot;,*objs) @delivery = ActionMailer::Base.deliveries.last @text = @delivery.body_port.to_s end

def mails ActionMailer::Base.deliveries end

Downloads / Details pragmatig.wordpress.com [email_address]

pragmatig.wordpress.com

[email_address]

Ende Danke

Danke