+ def test_length_key_valid
+ key = "k"
+ (0..255).each do |i|
+ tag = RelationTag.new
+ tag.id = 1
+ tag.k = key*i
+ tag.v = "v"
+ assert_valid tag
+ end
+ end
+
+ def test_length_value_valid
+ val = "v"
+ (0..255).each do |i|
+ tag = RelationTag.new
+ tag.id = 1
+ tag.k = "k"
+ tag.v = val*i
+ assert_valid tag
+ end
+ end
+
+ def test_length_key_invalid
+ ["k"*256].each do |i|
+ tag = RelationTag.new
+ tag.id = 1
+ tag.k = i
+ tag.v = "v"
+ assert !tag.valid?, "Key #{i} should be too long"
+ assert tag.errors.invalid?(:k)
+ end
+ end
+
+ def test_length_value_invalid
+ ["v"*256].each do |i|
+ tag = RelationTag.new
+ tag.id = 1
+ tag.k = "k"
+ tag.v = i
+ assert !tag.valid?, "Value #{i} should be too long"
+ assert tag.errors.invalid?(:v)
+ end
+ end
+
+ def test_empty_tag_invalid
+ tag = RelationTag.new
+ assert !tag.valid?, "Empty relation tag should be invalid"
+ assert tag.errors.invalid?(:id)
+ end
+
+ def test_uniquness
+ tag = RelationTag.new
+ tag.id = current_relation_tags(:t1).id
+ tag.k = current_relation_tags(:t1).k
+ tag.v = current_relation_tags(:t1).v
+ assert tag.new_record?
+ assert !tag.valid?
+ assert_raise(ActiveRecord::RecordInvalid) {tag.save!}
+ assert tag.new_record?
+ end