tag subscriptions: fix broken saved search migrations.

app/models/saved_search.rb

@@ -112,6 +112,11 @@ class SavedSearch < ActiveRecord::Base
   end
 
   def label_string=(val)
-    self.labels = val.to_s.scan(/\S+/).map {|x| SavedSearch.normalize_label(x)}
+    self.labels = val.to_s.split(/[[:space:]]+/)
+  end
+
+  def labels=(labels)
+    labels = labels.map { |label| SavedSearch.normalize_label(label) }
+    super(labels)
   end
 end

app/models/tag_subscription.rb

@@ -11,13 +11,8 @@ class TagSubscription < ActiveRecord::Base
 
   def migrate_to_saved_searches
     tag_query.split(/\r\n|\r|\n/).each do |query|
-      creator.saved_searches.create(
-        :tag_query => query,
-        :category => name
-      )
+      creator.saved_searches.create({query: query, labels: [name]}, without_protection: true)
     end
-    
-    destroy
   end
 
   def normalize_name

test/unit/saved_search_test.rb

@@ -95,6 +95,14 @@ class SavedSearchTest < ActiveSupport::TestCase
     should "normalize whitespace" do
       assert_equal("xxx", @saved_search.query)
     end
+
+    should "normalize the label string" do
+      @saved_search.label_string = "Foo Bar"
+      assert_equal(%w[foo bar], @saved_search.labels)
+
+      @saved_search.labels = ["Artist 1", "Artist 2"]
+      assert_equal(%w[artist_1 artist_2], @saved_search.labels)
+    end
   end
 
   context "Destroying a saved search" do

test/unit/tag_subscription_test.rb

@@ -72,6 +72,16 @@ class TagSubscriptionTest < ActiveSupport::TestCase
         assert_equal([posts[1].id], TagSubscription.find_posts(user.id, "yyy").map(&:id))
       end
     end
+
+    should "migrate to saved searches" do
+      sub = FactoryGirl.create(:tag_subscription, tag_query: "foo bar\r\nbar\nbaz", :name => "Artist 1")
+      sub.migrate_to_saved_searches
+
+      assert_equal(1, CurrentUser.user.subscriptions.size)
+      assert_equal(3, CurrentUser.user.saved_searches.size)
+      assert_equal(["bar foo", "bar", "baz"], CurrentUser.user.saved_searches.pluck(:query))
+      assert_equal([%w[artist_1]]*3, CurrentUser.user.saved_searches.pluck(:labels))
+    end
   end
 
   context "A tag subscription manager" do