Issue #3320715 by vnech: Add behat test for "show/hide enrolees" feature

modules/social_features/social_event/social_event.module

@@ -721,8 +721,11 @@ function social_event_block_access(Block $block, $operation, AccountInterface $a
         // Or disabled in the event.
         !$node->showEnrollments()
       ) {
-        // Return forbidden, since access was not explicitly granted.
-        return AccessResult::forbidden();
+        // Block should be visible for authors.
+        if ($node->getOwnerId() !== $account->id()) {
+          // Return forbidden, since access was not explicitly granted.
+          return AccessResult::forbidden();
+        }
       }
     }
   }

tests/behat/features/capabilities/event/show-hide-eventenrollments.feature

+@api @event @eventenrollment @stability @perfect @PROD-22857 @stability-2
+Feature: Show/hide enrollments on Event
+  Benefit: Ability to manage enrollments displaying on event
+  Role: As a Verified
+  Goal/desire: I want to show/hide enrollments on Event
+
+  @verified @security
+  Scenario: Event author can successfully see hidden enrollments
+    Given I am logged in as an "verified"
+    Given I am viewing my event:
+      | title                    | My Behat Event created |
+      | body                     | this is description    |
+      | field_event_date         | +8 days                |
+      | field_event_date_end     | +9 days                |
+      | status                   | 1                      |
+      | field_content_visibility | public                 |
+      | field_hide_enrollments   | 1                      |
+
+    And I should see an "#block-socialblue-views-block-event-enrollments-event-enrollments-socialbase" element
+    And I should see the link "Manage enrollments"
+    When I click "Manage enrollments"
+    Then I should see the text "0 Enrollees"
+
+  @verified @security
+  Scenario: Verified can not see hidden enrollments
+    And users:
+      | name            | pass            | mail                          | status | roles        |
+      | event_creator   | event_organiser | event_organiser@example.com   | 1      | verified     |
+      | event_visitor  | event_visitor  | event_visitor@example.com       | 1      | verified     |
+
+    Given I am logged in as "event_creator"
+    Given I am viewing my event:
+      | title                    | My Behat Event created |
+      | body                     | this is description    |
+      | field_event_date         | +8 days                |
+      | field_event_date_end     | +9 days                |
+      | status                   | 1                      |
+      | field_content_visibility | public                 |
+      | field_hide_enrollments   | 1                      |
+
+    Given I am logged in as "event_visitor"
+    Given I open the "event" node with title "My Behat Event created"
+    Then I should see "My Behat Event created"
+    And I should see the button "Enroll"
+    And I should not see an "#block-socialblue-views-block-event-enrollments-event-enrollments-socialbase" element
+    And I should not see the link "Enrollments"
+
+    # Make enrollments visible for verified again.
+    Given I am logged in as "event_creator"
+    Then I open the "event" node with title "My Behat Event created"
+    Then I click "Edit content"
+    Then I uncheck the box "Hide enrollments"
+    And I press "Save"
+    Then I should see "Event My Behat Event created has been updated."
+
+    Given I am logged in as "event_visitor"
+    Given I open the "event" node with title "My Behat Event created"
+    Then I should see "My Behat Event created"
+    And I should see the button "Enroll"
+    And I should see an "#block-socialblue-views-block-event-enrollments-event-enrollments-socialbase" element
+    And I should see the link "Enrollments"
+    When I click "Enrollments"
+    Then I should see "No one has enrolled for this event"
+
+  @AN @security
+  Scenario: Anonymous can not see hidden enrollments
+    Given event content:
+      | title                  | field_event_date  | status | field_content_visibility | field_event_an_enroll | field_hide_enrollments |
+      | My Behat Event created | +8 days           | 1      | public                   | 1                     | 1                      |
+    Given I am an anonymous user
+    When I open the "event" node with title "My Behat Event created"
+    Then I should see "My Behat Event created"
+    And I should not see an "#block-socialblue-views-block-event-enrollments-event-enrollments-socialbase" element
+    And I should not see the link "Enrollments"