Bugfix: when changing the table name attribute, it should change the name of the table in the database

app/models/table.rb

@@ -22,10 +22,19 @@ class Table < Sequel::Model(:user_tables)
 
   def before_validation
     self.privacy ||= PUBLIC
-    self.name ||= set_table_name
+    self.name = set_table_name if self.name.blank?
     super
   end
 
+  def name=(new_name)
+    unless new?
+      owner.in_database do |user_database|
+        user_database.rename_table name, new_name
+      end
+    end
+    self[:name] = new_name
+  end
+
   # Before creating a user table a table should be created in the database.
   # This table has an empty schema
   def before_create
@@ -204,8 +213,8 @@ class Table < Sequel::Model(:user_tables)
   end
 
   def set_table_name
-    return if user_id.nil?
     base_name = "Untitle table"
+    return base_name if user_id.nil?
     i = 1
     while Table.filter(:user_id => user_id, :name => base_name).count != 0
       i += 1

spec/models/table_spec.rb

@@ -34,15 +34,29 @@ describe Table do
     user = create_user
     table = create_table :name => 'Wadus table', :user_id => user.id
     Rails::Sequel.connection.table_exists?(table.name.to_sym).should be_false
+    user.in_database do |user_database|
+      user_database.table_exists?(table.name.to_sym).should be_true
+    end
   end
 
-  it "should fetch empty data from the database by SQL sentences" do
+  it "should rename a database table when the attribute name is modified" do
     user = create_user
     table = create_table :name => 'Wadus table', :user_id => user.id
     Rails::Sequel.connection.table_exists?(table.name.to_sym).should be_false
     user.in_database do |user_database|
       user_database.table_exists?(table.name.to_sym).should be_true
     end
+    table.name = 'Wadus table #2'
+    table.save
+    user.in_database do |user_database|
+      user_database.table_exists?('Wadus table'.to_sym).should be_false
+      user_database.table_exists?('Wadus table #2'.to_sym).should be_true
+    end
+  end
+
+  it "should fetch empty data from the database by SQL sentences" do
+    user = create_user
+    table = create_table :name => 'Wadus table', :user_id => user.id
     rows = table.execute_sql "select * from \"#{table.name}\" limit 1"
     rows.should be_empty
     table.rows_counted.should == 0