X-Git-Url: https://git.openstreetmap.org/rails.git/blobdiff_plain/fd6f00b069af5a7b87227ea4c3401dc461d7311a..9156448ad6f1601c1c49a75ce58b0a0e932a51ed:/test/unit/relation_tag_test.rb

diff --git a/test/unit/relation_tag_test.rb b/test/unit/relation_tag_test.rb
index 5c008fc34..e091efb0f 100644
--- a/test/unit/relation_tag_test.rb
+++ b/test/unit/relation_tag_test.rb
@@ -4,7 +4,7 @@ class RelationTagTest < Test::Unit::TestCase
   api_fixtures
   
   def test_relation_tag_count
-    assert_equal 3, RelationTag.count
+    assert_equal 7, RelationTag.count
   end
   
   def test_length_key_valid
@@ -67,4 +67,22 @@ class RelationTagTest < Test::Unit::TestCase
     assert_raise(ActiveRecord::RecordInvalid) {tag.save!}
     assert tag.new_record?
   end
+
+  ##
+  # test that tags can be updated and saved uniquely, i.e: tag.save!
+  # only affects the single tag that the activerecord object 
+  # represents. this amounts to testing that the primary key is
+  # unique.
+  def test_update
+    v = "probably unique string here 3142592654"
+    assert_equal 0, RelationTag.count(:conditions => ['v=?', v])
+
+    # make sure we select a tag on a relation which has more than one tag
+    id = current_relations(:multi_tag_relation).id
+    tag = RelationTag.find(:first, :conditions => ["id = ?", id])
+    tag.v = v
+    tag.save!
+
+    assert_equal 1, RelationTag.count(:conditions => ['v=?', v])
+  end
 end