Implement tooltips for suppliers table view

spec/models/list_spec.rb

@@ -83,4 +83,32 @@ describe List do
     end
   end
 
+  describe '#active_orders' do
+    its(:active_orders) { should be_empty }
+
+    it 'returns placed orders' do
+      order = create :order, supplier: supplier, list: list, section: section, state: 'placed'
+      list.active_orders.should eq [order]
+    end
+
+    it 'returns active orders' do
+      order = create :order, supplier: supplier, list: list, section: section, state: 'active'
+      list.active_orders.should eq [order]
+    end
+
+    it 'does not return delivered orders' do
+      order = create :order, supplier: supplier, list: list, section: section, state: 'delivered'
+      list.active_orders.should be_empty
+    end
+
+    it 'does not return closed orders' do
+      order = create :order, supplier: supplier, list: list, section: section, state: 'closed'
+      list.active_orders.should be_empty
+    end
+    it 'does not return cancelled orders' do
+      order = create :order, supplier: supplier, list: list, section: section, state: 'cancelled'
+      list.active_orders.should be_empty
+    end
+  end
+
 end