From 798cd2d566a7b8c17b576068c805b8947aca09af Mon Sep 17 00:00:00 2001
From: Go MAEDA <maeda@farend.jp>
Date: Thu, 13 Apr 2023 23:34:23 +0000
Subject: [PATCH] Roles of a project member should not be made empty (#37166).

Patch by Mizuki ISHIKAWA.


git-svn-id: https://svn.redmine.org/redmine/trunk@22182 e93f8b46-1217-0410-a6f0-8f06a7374b81
---
 app/models/member_role.rb |  2 +-
 test/unit/member_test.rb  | 10 ++++++++++
 2 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/app/models/member_role.rb b/app/models/member_role.rb
index 94c6615a2..a20531f94 100644
--- a/app/models/member_role.rb
+++ b/app/models/member_role.rb
@@ -52,7 +52,7 @@ class MemberRole < ActiveRecord::Base
   private
 
   def remove_member_if_empty
-    if @member_removal != false && member.roles.empty?
+    if @member_removal != false && member.roles.reload.empty?
       member.destroy
     end
   end
diff --git a/test/unit/member_test.rb b/test/unit/member_test.rb
index fd54123cb..139651f1b 100644
--- a/test/unit/member_test.rb
+++ b/test/unit/member_test.rb
@@ -225,4 +225,14 @@ class MemberTest < ActiveSupport::TestCase
       )
     end
   end
+
+  def test_destroy_member_when_member_role_is_empty
+    member = Member.find(1)
+
+    assert_difference 'Member.count', -1 do
+      member.role_ids = [] # Destroy roles associated with member
+    end
+    assert member.destroyed?
+    assert_raise(ActiveRecord::RecordNotFound) { Member.find(1) }
+  end
 end