Deleting questions and adding tests for deleteing

server/services/services_test.go

@@ -458,4 +458,40 @@ func TestVoterAlreadyVoted(t *testing.T) {
     if err != ErrVoterAlreadyVoted {
         t.Fatalf("Expected ErrVoterAlreadyVoted, but got %v", err)
     }
+}
+
+func TestDeletePollByQuestion(t *testing.T) {
+    // Preload the database with members, polls, and voters
+    tmp_db, err := os.CreateTemp("", "vote_test.*.db")
+    if err != nil {
+        t.Fatalf("Failed to create temporary database: %v", err)
+    }
+    defer os.Remove(tmp_db.Name())
+
+    init_conf := &config.Config{
+        DBPath: string(tmp_db.Name()),
+    }
+    config.SetConfig(init_conf)
+
+    err = PreLoadDB()
+    if err != nil {
+        t.Fatalf("Failed to preload database: %v", err)
+    }
+
+    // Get a question from the new_polls array
+    testQuestion := new_polls[0].question
+
+    // Delete the poll by question
+    err = DeletePollByQuestion(testQuestion)
+    if err != nil {
+        t.Fatalf("Failed to delete poll by question: %v", err)
+    }
+
+    // Verify that the poll was deleted
+    _, err = GetPollByQuestion(testQuestion)
+    if err == nil {
+        t.Fatalf("Expected error when getting deleted poll, but got none")
+    } else if err != ErrPollNotFound {
+        t.Fatalf("Expected ErrPollNotFound, but got %v", err)
+    }
 }