X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/3aa0915d0b9b0affd9a784df3d138f0d13df303b..fb4921f56d1c13a86add2e59205ec32fa1f6efe4:/services/api/test/unit/user_test.rb

diff --git a/services/api/test/unit/user_test.rb b/services/api/test/unit/user_test.rb
index 6eb048e871..9bcb0116fb 100644
--- a/services/api/test/unit/user_test.rb
+++ b/services/api/test/unit/user_test.rb
@@ -7,23 +7,86 @@ class UserTest < ActiveSupport::TestCase
   setup do
     # Make sure system_user exists before making "pre-test users" list
     system_user
+  end
 
-    @all_users = User.find(:all)
+  [[false, 'foo@example.com', true, nil],
+   [false, 'bar@example.com', nil, true],
+   [true, 'foo@example.com', true, nil],
+   [true, 'bar@example.com', true, true],
+   [false, false, nil, nil],
+   [true, false, true, nil]
+  ].each do |auto_admin_first_user_config, auto_admin_user_config, foo_should_be_admin, bar_should_be_admin|
+    # In each case, 'foo' is created first, then 'bar', then 'bar2', then 'baz'.
+    test "auto admin with auto_admin_first=#{auto_admin_first_user_config} auto_admin=#{auto_admin_user_config}" do
+
+      if auto_admin_first_user_config
+        # This test requires no admin users exist (except for the system user)
+        users(:admin).delete
+        @all_users = User.where("uuid not like '%-000000000000000'").where(:is_admin => true).find(:all)
+        assert_equal 0, @all_users.size, "No admin users should exist (except for the system user)"
+      end
+
+      Rails.configuration.auto_admin_first_user = auto_admin_first_user_config
+      Rails.configuration.auto_admin_user = auto_admin_user_config
+
+      # See if the foo user has is_admin
+      foo = User.new
+      foo.first_name = 'foo'
+      foo.email = 'foo@example.com'
+
+      act_as_system_user do
+        foo.save!
+      end
+
+      foo = User.find(foo.id)   # get the user back
+      assert_equal foo_should_be_admin, foo.is_admin, "is_admin is wrong for user foo"
+      assert_equal 'foo', foo.first_name
+
+      # See if the bar user has is_admin
+      bar = User.new
+      bar.first_name = 'bar'
+      bar.email = 'bar@example.com'
+
+      act_as_system_user do
+        bar.save!
+      end
+
+      bar = User.find(bar.id)   # get the user back
+      assert_equal bar_should_be_admin, bar.is_admin, "is_admin is wrong for user bar"
+      assert_equal 'bar', bar.first_name
 
-    @all_users.each do |user|
-      if user.uuid == system_user_uuid
-        @system_user = user
-      elsif user.is_admin && user.is_active
-        @admin_user = user
-      elsif user.is_active && !user.is_admin
-        @active_user = user
-      elsif !user.is_active && !user.is_invited
-        @uninvited_user = user
+      # A subsequent user with the bar@example.com address should never be
+      # elevated to admin
+      bar2 = User.new
+      bar2.first_name = 'bar2'
+      bar2.email = 'bar@example.com'
+
+      act_as_system_user do
+        bar2.save!
+      end
+
+      bar2 = User.find(bar2.id)   # get the user back
+      assert !bar2.is_admin, "is_admin is wrong for user bar2"
+      assert_equal 'bar2', bar2.first_name
+
+      # An ordinary new user should not be elevated to admin
+      baz = User.new
+      baz.first_name = 'baz'
+      baz.email = 'baz@example.com'
+
+      act_as_system_user do
+        baz.save!
       end
+
+      baz = User.find(baz.id)   # get the user back
+      assert !baz.is_admin
+      assert_equal 'baz', baz.first_name
+
     end
   end
 
   test "check non-admin active user properties" do
+    @active_user = users(:active)     # get the active user
     assert !@active_user.is_admin, 'is_admin should not be set for a non-admin user'
     assert @active_user.is_active, 'user should be active'
     assert @active_user.is_invited, 'is_invited should be set'
@@ -35,12 +98,14 @@ class UserTest < ActiveSupport::TestCase
     assert @active_user.groups_i_can(:read).size > 0, "active user should be able read at least one group"
 
     # non-admin user cannot manage or write other user objects
+    @uninvited_user = users(:inactive_uninvited)     # get the uninvited user
     assert !(@active_user.can? :read=>"#{@uninvited_user.uuid}")
     assert !(@active_user.can? :write=>"#{@uninvited_user.uuid}")
     assert !(@active_user.can? :manage=>"#{@uninvited_user.uuid}")
   end
 
   test "check admin user properties" do
+    @admin_user = users(:admin)     # get the admin user
     assert @admin_user.is_admin, 'is_admin should be set for admin user'
     assert @admin_user.is_active, 'admin user cannot be inactive'
     assert @admin_user.is_invited, 'is_invited should be set'
@@ -56,12 +121,14 @@ class UserTest < ActiveSupport::TestCase
     assert @admin_user.groups_i_can(:manage).size > 0, "admin active user should be able manage at least one group"
 
     # admin user can also write or manage other users
+    @uninvited_user = users(:inactive_uninvited)     # get the uninvited user
     assert @admin_user.can? :read=>"#{@uninvited_user.uuid}"
     assert @admin_user.can? :write=>"#{@uninvited_user.uuid}"
     assert @admin_user.can? :manage=>"#{@uninvited_user.uuid}"
   end
 
   test "check inactive and uninvited user properties" do
+    @uninvited_user = users(:inactive_uninvited)     # get the uninvited user
     assert !@uninvited_user.is_admin, 'is_admin should not be set for a non-admin user'
     assert !@uninvited_user.is_active, 'user should be inactive'
     assert !@uninvited_user.is_invited, 'is_invited should not be set'
@@ -69,7 +136,8 @@ class UserTest < ActiveSupport::TestCase
     assert @uninvited_user.can? :write=>"#{@uninvited_user.uuid}"
     assert @uninvited_user.can? :manage=>"#{@uninvited_user.uuid}"
 
-    assert @uninvited_user.groups_i_can(:read).size == 0, "inactive and uninvited user should not be able read any groups"
+    assert @uninvited_user.groups_i_can(:read).size == 1, "inactive and uninvited user can only read anonymous user group"
+    assert @uninvited_user.groups_i_can(:read).first.ends_with? 'anonymouspublic' , "inactive and uninvited user can only read anonymous user group"
     assert @uninvited_user.groups_i_can(:write).size == 0, "inactive and uninvited user should not be able write to any groups"
     assert @uninvited_user.groups_i_can(:manage).size == 0, "inactive and uninvited user should not be able manage any groups"
   end
@@ -87,8 +155,23 @@ class UserTest < ActiveSupport::TestCase
     assert_equal found_user.identity_url, user.identity_url
   end
 
+  test "full name should not contain spurious whitespace" do
+    set_user_from_auth :admin
+
+    user = User.create ({uuid: 'zzzzz-tpzed-abcdefghijklmno', email: 'foo@example.com' })
+
+    assert_equal '', user.full_name
+
+    user.first_name = 'John'
+    user.last_name = 'Smith'
+
+    assert_equal user.first_name + ' ' + user.last_name, user.full_name
+  end
+
   test "create new user" do
-    Thread.current[:user] = @admin_user   # set admin user as the current user
+    set_user_from_auth :admin
+
+    @all_users = User.find(:all)
 
     user = User.new
     user.first_name = "first_name_for_newly_created_user"
@@ -109,8 +192,117 @@ class UserTest < ActiveSupport::TestCase
     assert_equal(user.first_name, 'first_name_for_newly_created_user_updated')
   end
 
+  test "create new user with notifications" do
+    set_user_from_auth :admin
+
+    create_user_and_verify_setup_and_notifications true, 'active-notify-address@example.com', 'inactive-notify-address@example.com', nil, false
+    create_user_and_verify_setup_and_notifications true, 'active-notify-address@example.com', [], nil, false
+    create_user_and_verify_setup_and_notifications true, [], [], nil, false
+    create_user_and_verify_setup_and_notifications false, 'active-notify-address@example.com', 'inactive-notify-address@example.com', nil, false
+    create_user_and_verify_setup_and_notifications false, [], 'inactive-notify-address@example.com', nil, false
+    create_user_and_verify_setup_and_notifications false, [], [], nil, false
+  end
+
+  [
+    [false, [], [], 'inactive-none@example.com', false, false, true],
+    [false, [], [], 'inactive-vm@example.com', true, false, true],
+    [false, [], [], 'inactive-repo@example.com', false, true, true],
+    [false, [], [], 'inactive-both@example.com', true, true, true],
+
+    [true, 'active-notify@example.com', 'inactive-notify@example.com', 'active-none@example.com', false, false, true],
+    [true, 'active-notify@example.com', 'inactive-notify@example.com', 'active-vm@example.com', true, false, true],
+    [true, 'active-notify@example.com', 'inactive-notify@example.com', 'active-repo@example.com', false, true, true],
+    [true, 'active-notify@example.com', 'inactive-notify@example.com', 'active-both@example.com', true, true, true],
+
+    [false, [], [], nil, true, true, false],
+
+    [false, [], [], 'arvados', true, true, false],
+    [false, [], [], 'arvados', true, false, false],   # blacklisted username
+    [false, [], [], 'arvados', false, false, true],   # since we are not creating repo and vm login, this blacklisted name is not a problem
+
+    [false, [], [], 'arvados@example.com', false, false, true],   # since we are not creating repo and vm login, this blacklisted name is not a problem
+    [true, 'active-notify@example.com', 'inactive-notify@example.com', 'arvados@example.com', false, false, true],   # since we are not creating repo and vm login, this blacklisted name is not a problem
+    [true, 'active-notify@example.com', 'inactive-notify@example.com', 'root@example.com', true, false, false], # blacklisted name
+    [false, 'active-notify@example.com', 'inactive-notify@example.com', 'root@example.com', true, false, false], # blacklisted name
+    [true, 'active-notify@example.com', 'inactive-notify@example.com', 'roo_t@example.com', false, true, true], # not blacklisted name
+
+    [false, [], [], '@example.com', true, false, false],  # incorrect format
+    [false, [], [], '@example.com', false, true, false],
+    [false, [], [], '@example.com', false, false, true],  # no repo and vm login, so no issue with email format
+
+    [false, [], [], '^^incorrect_format@example.com', true, true, false],
+
+    [false, 'active-notify@example.com', 'inactive-notify@example.com', 'auto_setup_repo@example.com', true, true, true],  # existing repository name 'auto_setup_repo'
+    [true, 'active-notify@example.com', 'inactive-notify@example.com', 'auto_setup_repo@example.com', true, false, true],  # existing repository name 'auto_setup_repo'
+    [false, 'active-notify@example.com', 'inactive-notify@example.com', 'auto_setup_repo@example.com', false, true, true],  # existing repository name 'auto_setup_repo'
+    [false, 'active-notify@example.com', 'inactive-notify@example.com', 'auto_setup_repo@example.com', false, false, true],  # existing repository name 'auto_setup_repo', but we are not creating repo or login link
+
+    [false, 'active-notify@example.com', 'inactive-notify@example.com', 'auto_setup_vm_login@example.com', true, true, true], # existing vm login name
+    [true, 'active-notify@example.com', 'inactive-notify@example.com', 'auto_setup_vm_login@example.com', true, false, true], # existing vm login name
+    [false, 'active-notify@example.com', 'inactive-notify@example.com', 'auto_setup_vm_login@example.com', false, true, true], # existing vm login name
+    [false, 'active-notify@example.com', 'inactive-notify@example.com', 'auto_setup_vm_login@example.com', false, false, true], # existing vm login name, but we are not creating repo or login link
+
+    [true, 'active-notify@example.com', 'inactive-notify@example.com', '*!*@example.com', true, false, false], # username is invalid format
+    [false, 'active-notify@example.com', 'inactive-notify@example.com', '*!*@example.com', false, false, true], # since no repo and vm login, username is ok (not validated)
+    [true, 'active-notify@example.com', 'inactive-notify@example.com', '*!*@example.com', false, false, true], # since no repo and vm login, username is ok (not validated)
+
+    [true, 'active-notify@example.com', 'inactive-notify@example.com', '&4ad@example.com', true, true, false], # username is invalid format
+    [true, 'active-notify@example.com', 'inactive-notify@example.com', '&4ad@example.com', false, false, true], # no repo or vm login, so format not checked
+    [false, 'active-notify@example.com', 'inactive-notify@example.com', '&4ad@example.com', true, true, false], # username is invalid format
+    [false, 'active-notify@example.com', 'inactive-notify@example.com', '&4ad@example.com', false, false, true], # no repo or vm login, so format not checked
+
+    [true, 'active-notify@example.com', 'inactive-notify@example.com', '4ad@example.com', true, true, false], # username is invalid format
+    [true, 'active-notify@example.com', 'inactive-notify@example.com', '4ad@example.com', false, false, true], # no repo or vm login, so format not checked
+    [false, 'active-notify@example.com', 'inactive-notify@example.com', '4ad@example.com', false, false, true], # no repo or vm login, so format not checked
+
+    [true, 'active-notify@example.com', 'inactive-notify@example.com', '.foo@example.com', false, false, true], # no repo or vm login, so format not checked
+    [true, 'active-notify@example.com', 'inactive-notify@example.com', '.foo@example.com', true, false, false], # invalid format
+
+    [true, 'active-notify@example.com', 'inactive-notify@example.com', 'bar.@example.com', false, false, true], # no repo or vm login, so format not checked
+    [true, 'active-notify@example.com', 'inactive-notify@example.com', 'bar.@example.com', true, false, false], # valid format
+
+    [true, 'active-notify@example.com', 'inactive-notify@example.com', 'ice9@example.com', false, false, true], # no repo or vm login, so format not checked
+    [true, 'active-notify@example.com', 'inactive-notify@example.com', 'ice9@example.com', true, false, true], # valid format
+
+    [true, 'active-notify@example.com', 'inactive-notify@example.com', 'o_o@example.com', false, false, true], # no repo or vm login, so format not checked
+    [true, 'active-notify@example.com', 'inactive-notify@example.com', 'o_o@example.com', true, false, true], # valid format
+
+    [true, 'active-notify@example.com', 'inactive-notify@example.com', 'r00t@example.com', false, false, true], # no repo or vm login, so format not checked
+    [true, 'active-notify@example.com', 'inactive-notify@example.com', 'r00t@example.com', true, false, true], # valid format
+
+  ].each do |active, new_user_recipients, inactive_recipients, email, auto_setup_vm, auto_setup_repo, ok_to_auto_setup|
+    test "create new user with auto setup #{active} #{email} #{auto_setup_vm} #{auto_setup_repo}" do
+      auto_setup_new_users = Rails.configuration.auto_setup_new_users
+      auto_setup_new_users_with_vm_uuid = Rails.configuration.auto_setup_new_users_with_vm_uuid
+      auto_setup_new_users_with_repository = Rails.configuration.auto_setup_new_users_with_repository
+
+      begin
+        set_user_from_auth :admin
+
+        Rails.configuration.auto_setup_new_users = true
+
+        if auto_setup_vm
+          Rails.configuration.auto_setup_new_users_with_vm_uuid = virtual_machines(:testvm)['uuid']
+        else
+          Rails.configuration.auto_setup_new_users_with_vm_uuid = false
+        end
+
+        Rails.configuration.auto_setup_new_users_with_repository = auto_setup_repo
+
+        create_user_and_verify_setup_and_notifications active, new_user_recipients, inactive_recipients, email, ok_to_auto_setup
+      ensure
+        Rails.configuration.auto_setup_new_users = auto_setup_new_users
+        Rails.configuration.auto_setup_new_users_with_vm_uuid = auto_setup_new_users_with_vm_uuid
+        Rails.configuration.auto_setup_new_users_with_repository = auto_setup_new_users_with_repository
+      end
+    end
+  end
+
   test "update existing user" do
-    Thread.current[:user] = @active_user    # set active user as current user
+    set_user_from_auth :active    # set active user as current user
+
+    @active_user = users(:active)     # get the active user
+
     @active_user.first_name = "first_name_changed"
     @active_user.save
 
@@ -118,7 +310,7 @@ class UserTest < ActiveSupport::TestCase
     assert_equal(@active_user.first_name, 'first_name_changed')
 
     # admin user also should be able to update the "active" user info
-    Thread.current[:user] = @admin_user # set admin user as current user
+    set_user_from_auth :admin # set admin user as current user
     @active_user.first_name = "first_name_changed_by_admin_for_active_user"
     @active_user.save
 
@@ -127,9 +319,10 @@ class UserTest < ActiveSupport::TestCase
   end
 
   test "delete a user and verify" do
+    @active_user = users(:active)     # get the active user
     active_user_uuid = @active_user.uuid
 
-    Thread.current[:user] = @admin_user
+    set_user_from_auth :admin
     @active_user.delete
 
     found_deleted_user = false
@@ -144,7 +337,7 @@ class UserTest < ActiveSupport::TestCase
   end
 
   test "create new user as non-admin user" do
-    Thread.current[:user] = @active_user
+    set_user_from_auth :active
 
     begin
       user = User.new
@@ -156,7 +349,7 @@ class UserTest < ActiveSupport::TestCase
   end
 
   test "setup new user" do
-    Thread.current[:user] = @admin_user
+    set_user_from_auth :admin
 
     email = 'foo@example.com'
     openid_prefix = 'http://openid/prefix'
@@ -175,21 +368,21 @@ class UserTest < ActiveSupport::TestCase
     verify_link oid_login_perm, 'permission', 'can_login', resp_user[:email],
         resp_user[:uuid]
 
-    assert_equal openid_prefix, oid_login_perm[:properties][:identity_url_prefix],
+    assert_equal openid_prefix, oid_login_perm[:properties]['identity_url_prefix'],
         'expected identity_url_prefix not found for oid_login_perm'
 
     group_perm = find_obj_in_resp response, 'Link', 'arvados#group'
     verify_link group_perm, 'permission', 'can_read', resp_user[:uuid], nil
 
     repo_perm = find_obj_in_resp response, 'Link', 'arvados#repository'
-    verify_link repo_perm, 'permission', 'can_write', resp_user[:uuid], nil
+    verify_link repo_perm, 'permission', 'can_manage', resp_user[:uuid], nil
 
     vm_perm = find_obj_in_resp response, 'Link', 'arvados#virtualMachine'
     verify_link vm_perm, 'permission', 'can_login', resp_user[:uuid], vm.uuid
   end
 
   test "setup new user with junk in database" do
-    Thread.current[:user] = @admin_user
+    set_user_from_auth :admin
 
     email = 'foo@example.com'
     openid_prefix = 'http://openid/prefix'
@@ -217,23 +410,21 @@ class UserTest < ActiveSupport::TestCase
     verify_link oid_login_perm, 'permission', 'can_login', resp_user[:email],
         resp_user[:uuid]
 
-    assert_equal openid_prefix, oid_login_perm[:properties][:identity_url_prefix],
+    assert_equal openid_prefix, oid_login_perm[:properties]['identity_url_prefix'],
         'expected identity_url_prefix not found for oid_login_perm'
 
     group_perm = find_obj_in_resp response, 'Link', 'arvados#group'
     verify_link group_perm, 'permission', 'can_read', resp_user[:uuid], nil
 
     repo_perm = find_obj_in_resp response, 'Link', 'arvados#repository'
-    verify_link repo_perm, 'permission', 'can_write', resp_user[:uuid], nil
+    verify_link repo_perm, 'permission', 'can_manage', resp_user[:uuid], nil
 
     vm_perm = find_obj_in_resp response, 'Link', 'arvados#virtualMachine'
     verify_link vm_perm, 'permission', 'can_login', resp_user[:uuid], vm.uuid
   end
 
-
-
   test "setup new user in multiple steps" do
-    Thread.current[:user] = @admin_user
+    set_user_from_auth :admin
 
     email = 'foo@example.com'
     openid_prefix = 'http://openid/prefix'
@@ -248,7 +439,7 @@ class UserTest < ActiveSupport::TestCase
     oid_login_perm = find_obj_in_resp response, 'Link', 'arvados#user'
     verify_link oid_login_perm, 'permission', 'can_login', resp_user[:email],
         resp_user[:uuid]
-    assert_equal openid_prefix, oid_login_perm[:properties][:identity_url_prefix],
+    assert_equal openid_prefix, oid_login_perm[:properties]['identity_url_prefix'],
         'expected identity_url_prefix not found for oid_login_perm'
 
     group_perm = find_obj_in_resp response, 'Link', 'arvados#group'
@@ -264,7 +455,7 @@ class UserTest < ActiveSupport::TestCase
     verify_link group_perm, 'permission', 'can_read', resp_user[:uuid], nil
 
     repo_perm = find_obj_in_resp response, 'Link', 'arvados#repository'
-    verify_link repo_perm, 'permission', 'can_write', resp_user[:uuid], nil
+    verify_link repo_perm, 'permission', 'can_manage', resp_user[:uuid], nil
 
     # invoke setup again with a vm_uuid
     vm = VirtualMachine.create
@@ -279,7 +470,7 @@ class UserTest < ActiveSupport::TestCase
     verify_link group_perm, 'permission', 'can_read', resp_user[:uuid], nil
 
     repo_perm = find_obj_in_resp response, 'Link', 'arvados#repository'
-    verify_link repo_perm, 'permission', 'can_write', resp_user[:uuid], nil
+    verify_link repo_perm, 'permission', 'can_manage', resp_user[:uuid], nil
 
     vm_perm = find_obj_in_resp response, 'Link', 'arvados#virtualMachine'
     verify_link vm_perm, 'permission', 'can_login', resp_user[:uuid], vm.uuid
@@ -330,4 +521,137 @@ class UserTest < ActiveSupport::TestCase
     end
   end
 
+  def create_user_and_verify_setup_and_notifications (active, new_user_recipients, inactive_recipients, email, ok_to_auto_setup)
+    Rails.configuration.new_user_notification_recipients = new_user_recipients
+    Rails.configuration.new_inactive_user_notification_recipients = inactive_recipients
+
+    assert_equal new_user_recipients, Rails.configuration.new_user_notification_recipients
+    assert_equal inactive_recipients, Rails.configuration.new_inactive_user_notification_recipients
+
+    ActionMailer::Base.deliveries = []
+
+    user = User.new
+    user.first_name = "first_name_for_newly_created_user"
+    user.email = email
+    user.is_active = active
+    user.save!
+
+    # check user setup
+    group = Group.where(name: 'All users').select do |g|
+      g[:uuid].match /-f+$/
+    end.first
+
+    if !Rails.configuration.auto_setup_new_users || !ok_to_auto_setup
+      # verify that the user is not added to "All groups" by auto_setup
+      verify_link_exists false, group[:uuid], user.uuid, 'permission', 'can_read', nil, nil
+
+      # check oid login link not created by auto_setup
+      verify_link_exists false, user.uuid, user.email, 'permission', 'can_login', nil, nil
+    else
+      # verify that auto_setup took place
+      # verify that the user is added to "All groups"
+      verify_link_exists true, group[:uuid], user.uuid, 'permission', 'can_read', nil, nil
+
+      # check oid login link
+      verify_link_exists true, user.uuid, user.email, 'permission', 'can_login', nil, nil
+
+      username = user.email.partition('@')[0] if email
+
+      # check repo
+      repo_names = []
+      if Rails.configuration.auto_setup_new_users_with_repository
+        repos = Repository.where('name like ?', "%#{username}%")
+        assert_not_nil repos, 'repository not found'
+        assert_equal true, repos.any?, 'repository not found'
+        repo_uuids = []
+        repos.each do |repo|
+          repo_uuids << repo[:uuid]
+          repo_names << repo[:name]
+        end
+        if username == 'auto_setup_repo'
+          begin
+            repo_names.delete('auto_setup_repo')
+          ensure
+            assert_equal true, repo_names.any?, 'Repository name for username foo is not unique'
+          end
+        end
+        verify_link_exists true, repo_uuids, user.uuid, 'permission', 'can_manage', nil, nil
+      end
+
+      # if username is existing vm login name, make sure the username used to generate any repo is unique
+      if username == 'auto_setup_vm_login' || username == 'auto_setup_repo'
+        if repo_names.any?
+          assert repo_names.first.start_with? username
+          assert_not_nil /\d$/.match(repo_names.first)
+        end
+      end
+
+      # check vm uuid
+      vm_uuid = Rails.configuration.auto_setup_new_users_with_vm_uuid
+      if vm_uuid
+        verify_link_exists true, vm_uuid, user.uuid, 'permission', 'can_login', 'username', (username == 'auto_setup_repo' ? repo_names.first : username)
+      else
+        verify_link_exists false, vm_uuid, user.uuid, 'permission', 'can_login', 'username', (username == 'auto_setup_repo' ? repo_names.first : username)
+      end
+    end
+
+    # check email notifications
+    new_user_email = nil
+    new_inactive_user_email = nil
+
+    new_user_email_subject = "#{Rails.configuration.email_subject_prefix}New user created notification"
+    if Rails.configuration.auto_setup_new_users
+      new_user_email_subject = (ok_to_auto_setup || active) ?
+                                 "#{Rails.configuration.email_subject_prefix}New user created and setup notification" :
+                                 "#{Rails.configuration.email_subject_prefix}New user created, but not setup notification"
+    end
+
+    ActionMailer::Base.deliveries.each do |d|
+      if d.subject == new_user_email_subject then
+        new_user_email = d
+      elsif d.subject == "#{Rails.configuration.email_subject_prefix}New inactive user notification" then
+        new_inactive_user_email = d
+      end
+    end
+
+    # both active and inactive user creations should result in new user creation notification mails,
+    # if the new user email recipients config parameter is set
+    if not new_user_recipients.empty? then
+      assert_not_nil new_user_email, 'Expected new user email after setup'
+      assert_equal Rails.configuration.user_notifier_email_from, new_user_email.from[0]
+      assert_equal new_user_recipients, new_user_email.to[0]
+      assert_equal new_user_email_subject, new_user_email.subject
+    else
+      assert_nil new_user_email, 'Did not expect new user email after setup'
+    end
+
+    if not active
+      if not inactive_recipients.empty? then
+        assert_not_nil new_inactive_user_email, 'Expected new inactive user email after setup'
+        assert_equal Rails.configuration.user_notifier_email_from, new_inactive_user_email.from[0]
+        assert_equal inactive_recipients, new_inactive_user_email.to[0]
+        assert_equal "#{Rails.configuration.email_subject_prefix}New inactive user notification", new_inactive_user_email.subject
+      else
+        assert_nil new_inactive_user_email, 'Did not expect new inactive user email after setup'
+      end
+    else
+      assert_nil new_inactive_user_email, 'Expected no inactive user email after setting up active user'
+    end
+    ActionMailer::Base.deliveries = []
+
+  end
+
+  def verify_link_exists link_exists, head_uuid, tail_uuid, link_class, link_name, property_name, property_value
+    all_links = Link.where(head_uuid: head_uuid,
+                           tail_uuid: tail_uuid,
+                           link_class: link_class,
+                           name: link_name)
+    assert_equal link_exists, all_links.any?, "Link #{'not' if link_exists} found for #{link_name} #{link_class} #{property_value}"
+    if link_exists && property_name && property_value
+      all_links.each do |link|
+        assert_equal true, all_links.first.properties[property_name].start_with?(property_value), 'Property not found in link'
+      end
+    end
+  end
+
 end