tap/spec/controllers/products_controller_spec.rb

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describe ProductsController, type: :controller do
before :each do
@admin = create :admin
sign_in @admin
end
describe 'GET new' do
it 'should render the form' do
get :new
expect(response).to render_template(:new)
expect(response).to have_http_status(200)
end
end
describe 'POST create' do
context 'successfull' do
it 'should create a product' do
expect{
post :create, product: attributes_for(:product)
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}.to change{ Product.count }.by(1)
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end
it 'should redirect to index page' do
post :create, product: attributes_for(:product)
expect(response).to redirect_to action: :index
end
end
context 'failed' do
it 'should not create a product' do
expect{
post :create, product: attributes_for(:invalid_product)
}.to_not change{Product.count}
end
it 'should render form' do
post :create, product: attributes_for(:invalid_product)
expect(response).to render_template(:new)
end
end
end
describe 'GET index' do
it 'should load all the products' do
product = create :product
get :index
expect(assigns :products).to eq([product])
end
end
describe 'GET edit' do
before :each do
@product = create :product
end
it 'should render the correct form' do
get :edit, id: @product
expect(response).to render_template(:edit)
expect(response).to have_http_status(200)
end
it 'should load the correct product' do
get :edit, id: @product
expect(assigns :product).to eq(@product)
end
end
describe 'PUT update' do
before :each do
@product = create :product
end
it 'loads right product' do
put :edit, id: @product, product: attributes_for(:product)
expect(assigns :product).to eq(@product)
end
context 'failed' do
it 'should not update attributes' do
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old_attributes = @product.reload.attributes
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put :update, id: @product, product: attributes_for(:invalid_product)
expect(@product.reload.attributes).to eq(old_attributes)
end
end
end
end