fix #1042 and create test for it

app/controllers/projects_controller.rb

@@ -105,7 +105,6 @@ class ProjectsController < ApplicationController
     if params['project']['state']
       @new_state = params['project']['state']
       @state_changed = @project.state != @new_state
-      logger.info "@state_changed: #{@project.state} == #{params['project']['state']} != #{@state_changed}"
       params['project'].delete('state')
     end
     success_text = if params['field'] == 'name' && params['value']
@@ -113,7 +112,8 @@ class ProjectsController < ApplicationController
       params['project']['name'] = params['value'] 
     end
     @project.attributes = params['project']
-    if @project.save
+    @saved = @project.save
+    if @saved
       @project.transition_to(@new_state) if @state_changed
       if boolean_param('wants_render')
         if (@project.hidden?)
@@ -149,8 +149,8 @@ class ProjectsController < ApplicationController
         return
       end
     else
-      notify :warning, "Couldn't update project"
-      render :text => ''
+      init_data_for_sidebar
+      render :template => 'projects/update.js.rjs'
       return
     end
     render :template => 'projects/update.js.rjs'

app/views/projects/_project_form.rhtml

@@ -3,7 +3,7 @@ project = project_form
 %>
 
 <% form_remote_tag(:url => project_path(project), :html => { :id => dom_id(project, 'edit_form'), :class => "inline-form "+dom_id(project, 'edit_form')+"-edit-project-form", :method => :put }) do -%>
-
+  <div id="error_status"><%= error_messages_for("project") %></div>
   <%= source_view_tag( @source_view ) -%>
 
   <label for="project_name">Name:</label><br/>

app/views/projects/_project_listing.rhtml

@@ -27,7 +27,8 @@ suppress_edit_button ||= false
             :method => 'get',
             :with => "'_source_view=#{@source_view}'",
             :before => "$('#{dom_id(project)}').block({message:null});",
-            :complete => "$('#{dom_id(project)}').unblock();enable_rich_interaction();"
+            :complete => "$('#{dom_id(project)}').unblock();enable_rich_interaction();",
+            :html => {:id => "link_edit_#{dom_id(project)}"}
             ) %>
         
         <% end -%>

app/views/projects/update.js.rjs

@@ -1,6 +1,7 @@
-status_message = 'Project saved'
-page.notify :notice, status_message, 5.0
-if source_view_is :project_list
+if @saved
+  status_message = 'Project saved'
+  page.notify :notice, status_message, 5.0
+  if source_view_is :project_list
     if @state_changed
       page[dom_id(@project, 'container')].remove
       page.insert_html :bottom, "list-#{@project.state}-projects", :partial => 'project_listing', :object => @project
@@ -15,7 +16,7 @@ if source_view_is :project_list
     page.set_element_visible("list-hidden-projects-container", @hidden_projects_count > 0)
     page.set_element_visible("list-active-projects-container", @active_projects_count > 0)
     page.set_element_visible("list-completed-projects-container", @completed_projects_count > 0)
-else
+  else
     page[dom_id(@project, 'edit')].hide
     page.replace_html dom_id(@project, 'container'), :partial => 'project_settings', :locals => { :project => @project }
     page[dom_id(@project)].show
@@ -24,11 +25,15 @@ else
     page['#todo_project_name'].value = @project.name
     page['tag_list'].value = @project.default_tags if @project.default_tags
     page << "$('input[name=default_context_name]').val('#{@project.default_context.name}');" if @project.default_context
+  end
+
+  page['default_project_name_id'].value = @project.name
+  page['todo_project_name'].value = @project.name
+  page.replace_html "project_name", @project.name
+
+  page.replace_html "sidebar", :file => 'sidebar/sidebar.html.erb'
+else
+  page.show 'error_status'
+  page.replace_html 'error_status', "#{error_messages_for('project')}"
 end
-
-page['default_project_name_id'].value = @project.name
-page['todo_project_name'].value = @project.name
-page.replace_html "project_name", @project.name
-
-page.replace_html "sidebar", :file => 'sidebar/sidebar.html.erb'
 page << "enable_rich_interaction();"

features/manage_project.feature

@@ -34,3 +34,22 @@ Feature: Manage a project
     When I visit the "bananas" project
     And I edit the project name to "cherries"
     Then the project title should be "cherries"
+
+  # Ticket #1042
+  @selenium
+  Scenario: I cannot change the name of a project in the project view to the name of another existing project
+    Given I have a project "test" with 1 todos
+    When I go to the projects page
+    Then the badge should show 2   # "manage me" and "test"
+    When I visit the "manage me" project
+    And I edit the project name to "test"
+    Then I should see "Name already exists"
+
+  # Ticket #1042
+  @selenium
+  Scenario: I cannot change the name of a project in the project list view to the name of another existing project
+    Given I have a project "test" with 1 todos
+    When I go to the projects page
+    Then the badge should show 2   # "manage me" and "test"
+    When I edit the project name of "manage me" to "test"
+    Then I should see "Name already exists"

features/step_definitions/project_steps.rb

@@ -43,10 +43,20 @@ end
 When /^I edit the project name to "([^\"]*)"$/ do |new_title|
   click_link "link_edit_project_#{@project.id}"
   fill_in "project[name]", :with => new_title
+
+  # changed to make sure selenium waits until the saving has a result either
+  # positive or negative. Was: :element=>"flash", :text=>"Project saved"
+  # we may need to change it back if you really need a positive outcome, i.e.
+  # this step needs to fail if the project was not saved succesfully
   selenium.click "submit_project_#{@project.id}",
     :wait_for => :text,
-    :element => "flash",
-    :text => "Project saved"
+    :text => /(Project saved|1 error prohibited this project from being saved)/
+end
+
+When /^I edit the project name of "([^"]*)" to "([^"]*)"$/ do |project_current_name, project_new_name|
+  @project = @current_user.projects.find_by_name(project_current_name)
+  @project.should_not be_nil
+  When "I edit the project name to \"#{project_new_name}\""
 end
 
 Then /^I should see the bold text "([^\"]*)" in the project description$/ do |bold|