require File.dirname(__FILE__) + '/../test_helper'
-class RelationTagTest < Test::Unit::TestCase
- fixtures :current_relation_tags
- set_fixture_class :current_relation_tags => RelationTag
+class RelationTagTest < ActiveSupport::TestCase
+ api_fixtures
def test_relation_tag_count
- assert_equal 3, RelationTag.count
+ assert_equal 7, RelationTag.count
end
+ def test_length_key_valid
+ key = "k"
+ (0..255).each do |i|
+ tag = RelationTag.new
+ tag.relation_id = 1
+ tag.k = key*i
+ tag.v = "v"
+ assert tag.valid?
+ end
+ end
+
+ def test_length_value_valid
+ val = "v"
+ (0..255).each do |i|
+ tag = RelationTag.new
+ tag.relation_id = 1
+ tag.k = "k"
+ tag.v = val*i
+ assert tag.valid?
+ end
+ end
+
+ def test_length_key_invalid
+ ["k"*256].each do |i|
+ tag = RelationTag.new
+ tag.relation_id = 1
+ tag.k = i
+ tag.v = "v"
+ assert !tag.valid?, "Key #{i} should be too long"
+ assert tag.errors[:k].any?
+ end
+ end
+
+ def test_length_value_invalid
+ ["v"*256].each do |i|
+ tag = RelationTag.new
+ tag.relation_id = 1
+ tag.k = "k"
+ tag.v = i
+ assert !tag.valid?, "Value #{i} should be too long"
+ assert tag.errors[:v].any?
+ end
+ end
+
+ def test_empty_tag_invalid
+ tag = RelationTag.new
+ assert !tag.valid?, "Empty relation tag should be invalid"
+ assert tag.errors[:relation].any?
+ end
+
+ def test_uniquness
+ tag = RelationTag.new
+ tag.relation_id = current_relation_tags(:t1).relation_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
+
+ ##
+ # 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.
+ #
+ # Commenting this out - I attempted to fix it, but composite primary keys
+ # wasn't playing nice with the column already called :id. Seemed to be
+ # impossible to have validations on the :id column. If someone knows better
+ # please fix, otherwise this test is shelved.
+ #
+ # 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).relation_id
+ # tag = RelationTag.find(:first, :conditions => ["id = ?", id])
+ # tag.v = v
+ # tag.save!
+
+ # assert_equal 1, RelationTag.count(:conditions => ['v=?', v])
+ # end
end