Merge branch 'master' into 2798-go-keep-client
[arvados.git] / services / api / test / unit / link_test.rb
1 require 'test_helper'
2
3 class LinkTest < ActiveSupport::TestCase
4   fixtures :all
5
6   setup do
7     set_user_from_auth :admin_trustedclient
8   end
9
10   test 'name links with the same tail_uuid must be unique' do
11     a = Link.create!(tail_uuid: groups(:afolder).uuid,
12                      head_uuid: specimens(:owned_by_active_user).uuid,
13                      link_class: 'name',
14                      name: 'foo')
15     assert a.valid?, a.errors.to_s
16     assert_raises ActiveRecord::RecordNotUnique do
17       b = Link.create!(tail_uuid: groups(:afolder).uuid,
18                        head_uuid: specimens(:owned_by_active_user).uuid,
19                        link_class: 'name',
20                        name: 'foo')
21     end
22   end
23
24   test 'name links with different tail_uuid need not be unique' do
25     a = Link.create!(tail_uuid: groups(:afolder).uuid,
26                      head_uuid: specimens(:owned_by_active_user).uuid,
27                      link_class: 'name',
28                      name: 'foo')
29     assert a.valid?, a.errors.to_s
30     b = Link.create!(tail_uuid: groups(:asubfolder).uuid,
31                      head_uuid: specimens(:owned_by_active_user).uuid,
32                      link_class: 'name',
33                      name: 'foo')
34     assert b.valid?, b.errors.to_s
35     assert_not_equal(a.uuid, b.uuid,
36                      "created two links and got the same uuid back.")
37   end
38
39   [nil, '', false].each do |name|
40     test "name links cannot have name=#{name.inspect}" do
41       a = Link.create(tail_uuid: groups(:afolder).uuid,
42                       head_uuid: specimens(:owned_by_active_user).uuid,
43                       link_class: 'name',
44                       name: name)
45       assert a.invalid?, "invalid name was accepted as valid?"
46     end
47   end
48
49   test "cannot delete an object referenced by links" do
50     ob = Specimen.create
51     link = Link.create(tail_uuid: users(:active).uuid,
52                        head_uuid: ob.uuid,
53                        link_class: 'test',
54                        name: 'test')
55     assert_raises(ActiveRecord::DeleteRestrictionError,
56                   "should not delete #{ob.uuid} with link #{link.uuid}") do
57       ob.destroy
58     end
59   end
60 end