initial commit

tests/integration/group_dm_add_limit_test.go

@@ -0,0 +1,71 @@
+/*
+ * Copyright (C) 2026 Fluxer Contributors
+ *
+ * This file is part of Fluxer.
+ *
+ * Fluxer is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * Fluxer is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package integration
+
+import (
+	"net/http"
+	"testing"
+)
+
+const (
+	maxGroupDmLimit     = 150
+	maxGroupDmErrorCode = "MAX_GROUP_DMS"
+)
+
+func TestGroupDmRecipientLimit(t *testing.T) {
+	client := newTestClient(t)
+	creator := createTestAccount(t, client)
+	target := createTestAccount(t, client)
+	recipient := createTestAccount(t, client)
+	helper := createTestAccount(t, client)
+
+	createFriendship(t, client, creator, target)
+	createFriendship(t, client, creator, recipient)
+
+	payload := map[string]any{
+		"group_dm_count": maxGroupDmLimit,
+		"recipients":     []string{helper.UserID, recipient.UserID},
+		"clear_existing": true,
+	}
+	seedResult := seedPrivateChannels(t, client, target, payload)
+	if len(seedResult.GroupDMs) != maxGroupDmLimit {
+		t.Fatalf("expected %d seeded group DMs, got %d", maxGroupDmLimit, len(seedResult.GroupDMs))
+	}
+
+	requestPayload := map[string]any{
+		"recipients": []string{helper.UserID, target.UserID},
+	}
+	resp, err := client.postJSONWithAuth("/users/@me/channels", requestPayload, creator.Token)
+	if err != nil {
+		t.Fatalf("failed to add recipient: %v", err)
+	}
+
+	if resp.StatusCode != http.StatusBadRequest {
+		t.Fatalf("expected status %d when limit reached, got %d", http.StatusBadRequest, resp.StatusCode)
+	}
+
+	var errorBody struct {
+		Code string `json:"code"`
+	}
+	decodeJSONResponse(t, resp, &errorBody)
+	if errorBody.Code != maxGroupDmErrorCode {
+		t.Fatalf("expected error code %s, got %s", maxGroupDmErrorCode, errorBody.Code)
+	}
+}