X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/7fc412308bcb4d853e6f9aeb9e7d45e5ab76b11f..61cd57499905e8e8cca07c774d1bf8c6bfa069a7:/services/api/test/unit/link_test.rb

diff --git a/services/api/test/unit/link_test.rb b/services/api/test/unit/link_test.rb
index 72d6017ce7..028f403a28 100644
--- a/services/api/test/unit/link_test.rb
+++ b/services/api/test/unit/link_test.rb
@@ -4,45 +4,61 @@ class LinkTest < ActiveSupport::TestCase
   fixtures :all
 
   setup do
-    Thread.current[:user] = users(:active)
-  end
-
-  test 'name links with the same tail_uuid must be unique' do
-    a = Link.create!(tail_uuid: groups(:afolder).uuid,
-                     head_uuid: specimens(:owned_by_active_user).uuid,
-                     link_class: 'name',
-                     name: 'foo')
-    assert a.valid?, a.errors.to_s
-    assert_raises ActiveRecord::RecordNotUnique do
-      b = Link.create!(tail_uuid: groups(:afolder).uuid,
-                       head_uuid: specimens(:owned_by_active_user).uuid,
-                       link_class: 'name',
-                       name: 'foo')
+    set_user_from_auth :admin_trustedclient
+  end
+
+  test "cannot delete an object referenced by links" do
+    ob = Specimen.create
+    link = Link.create(tail_uuid: users(:active).uuid,
+                       head_uuid: ob.uuid,
+                       link_class: 'test',
+                       name: 'test')
+    assert_equal users(:admin).uuid, link.owner_uuid
+    assert_raises(ActiveRecord::DeleteRestrictionError,
+                  "should not delete #{ob.uuid} with link #{link.uuid}") do
+      ob.destroy
     end
   end
 
-  test 'name links with different tail_uuid need not be unique' do
-    a = Link.create!(tail_uuid: groups(:afolder).uuid,
-                     head_uuid: specimens(:owned_by_active_user).uuid,
-                     link_class: 'name',
-                     name: 'foo')
-    assert a.valid?, a.errors.to_s
-    b = Link.create!(tail_uuid: groups(:asubfolder).uuid,
-                     head_uuid: specimens(:owned_by_active_user).uuid,
-                     link_class: 'name',
-                     name: 'foo')
-    assert b.valid?, b.errors.to_s
-    assert_not_equal(a.uuid, b.uuid,
-                     "created two links and got the same uuid back.")
-  end
-
-  [nil, '', false].each do |name|
-    test "name links cannot have name=#{name.inspect}" do
-      a = Link.create(tail_uuid: groups(:afolder).uuid,
-                      head_uuid: specimens(:owned_by_active_user).uuid,
-                      link_class: 'name',
-                      name: name)
-      assert a.invalid?, "invalid name was accepted as valid?"
+  def new_active_link_valid?(link_attrs)
+    set_user_from_auth :active
+    begin
+      Link.
+        create({link_class: "permission",
+                 name: "can_read",
+                 head_uuid: groups(:aproject).uuid,
+               }.merge(link_attrs)).
+        valid?
+    rescue ArvadosModel::PermissionDeniedError
+      false
     end
   end
+
+  test "link granting permission to nonexistent user is invalid" do
+    refute new_active_link_valid?(tail_uuid:
+                                  users(:active).uuid.sub(/-\w+$/, "-#{'z' * 15}"))
+  end
+
+  test "link granting non-project permission to unreadable user is invalid" do
+    refute new_active_link_valid?(tail_uuid: users(:admin).uuid,
+                                  head_uuid: collections(:bar_file).uuid)
+  end
+
+  test "user can't add a Collection to a Project without permission" do
+    refute new_active_link_valid?(link_class: "name",
+                                  name: "Permission denied test name",
+                                  tail_uuid: collections(:bar_file).uuid)
+  end
+
+  test "user can't add a User to a Project" do
+    # Users *can* give other users permissions to projects.
+    # This test helps ensure that that exception is specific to permissions.
+    refute new_active_link_valid?(link_class: "name",
+                                  name: "Permission denied test name",
+                                  tail_uuid: users(:admin).uuid)
+  end
+
+  test "link granting project permissions to unreadable user is invalid" do
+    refute new_active_link_valid?(tail_uuid: users(:admin).uuid)
+  end
 end