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<%= start_form_tag :action => 'update', :id => @author %> <%= render :partial => 'form' %> <%= submit_tag 'Edit' %> <%= end_form_tag %> <%= link_to 'Show', :action => 'show', :id => @author %> | <%= link_to 'Back', :action => 'index' %> We run the tests again, and everything should pass Next, we need to implement the action that receives the edit form post, update We extend our tests a bit: def test_update post :update, :id => 1, :author => { :first_name => 'Joseph', :last_name => 'Spolsky' } assert_response :redirect assert_redirected_to :action => 'show', :id => 1 assert_equal 'Joseph', Authorfind(1)first_name end In the update, we post the form to the update action, and after that, check that we are redirected and, more important, that the first name of the author is really changed The test doesn t yet pass, of course, so let s open the author_controller. java barcode reader example download Barcode Scanner JavaScript API | Dynamsoft
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