New TodoService#todo_exists? method

Signed-off-by: Rémy Coutable <remy@rymai.me>

2 files changed, 13 insertions, 1 deletions

diff --git a/spec/lib/gitlab/slash_commands/dsl_spec.rb b/spec/lib/gitlab/slash_commands/dsl_spec.rb
index 7c946313ae1..385f534ad6f 100644
--- a/spec/lib/gitlab/slash_commands/dsl_spec.rb
+++ b/spec/lib/gitlab/slash_commands/dsl_spec.rb
@@ -51,7 +51,7 @@ describe Gitlab::SlashCommands::Dsl do
         { name: :one_arg, aliases: [:once, :first], description: '', params: ['The first argument'], noop: false, cond_block: nil },
         { name: :two_args, aliases: [], description: '', params: ['The first argument', 'The second argument'], noop: false, cond_block: nil },
         { name: :cc, aliases: [], description: '', params: [], noop: true, cond_block: nil },
-        { name: :wildcard, aliases: [], description: '', params: [], noop: false, cond_block: nil}
+        { name: :wildcard, aliases: [], description: '', params: [], noop: false, cond_block: nil }
       ]
     end
 
diff --git a/spec/services/todo_service_spec.rb b/spec/services/todo_service_spec.rb
index 34d8ea9090e..4c41df0d4f5 100644
--- a/spec/services/todo_service_spec.rb
+++ b/spec/services/todo_service_spec.rb
@@ -290,6 +290,18 @@ describe TodoService, services: true do
         should_create_todo(user: author, target: unassigned_issue, action: Todo::MARKED)
       end
     end
+
+    describe '#todo_exists?' do
+      it 'returns false when no todo exist for the given issuable' do
+        expect(service.todo_exist?(unassigned_issue, author)).to be_falsy
+      end
+
+      it 'returns true when a todo exist for the given issuable' do
+        service.mark_todo(unassigned_issue, author)
+
+        expect(service.todo_exist?(unassigned_issue, author)).to be_truthy
+      end
+    end
   end
 
   describe 'Merge Requests' do