initial commit

tests/integration/oversized_input_rejection_test.go

@@ -0,0 +1,66 @@
+/*
+ * 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 (
+	"fmt"
+	"net/http"
+	"strings"
+	"testing"
+	"time"
+)
+
+// TestOversizedInputRejection tests that oversized payloads are rejected
+func TestOversizedInputRejection(t *testing.T) {
+	client := newTestClient(t)
+	owner := createTestAccount(t, client)
+	guild := createGuild(t, client, owner.Token, fmt.Sprintf("Input Test Guild %d", time.Now().UnixNano()))
+	channelID := parseSnowflake(t, guild.SystemChannel)
+
+	longContent := strings.Repeat("a", 5000)
+	resp, err := client.postJSONWithAuth(fmt.Sprintf("/channels/%d/messages", channelID), map[string]string{"content": longContent}, owner.Token)
+	if err != nil {
+		t.Fatalf("failed to send oversized message: %v", err)
+	}
+	if resp.StatusCode != http.StatusBadRequest {
+		t.Fatalf("expected 400 for oversized message content, got %d", resp.StatusCode)
+	}
+	resp.Body.Close()
+
+	longName := strings.Repeat("a", 500)
+	resp, err = client.postJSONWithAuth("/guilds", map[string]string{"name": longName}, owner.Token)
+	if err != nil {
+		t.Fatalf("failed to create guild with long name: %v", err)
+	}
+	if resp.StatusCode != http.StatusBadRequest {
+		t.Fatalf("expected 400 for oversized guild name, got %d", resp.StatusCode)
+	}
+	resp.Body.Close()
+
+	longBio := strings.Repeat("b", 5000)
+	resp, err = client.patchJSONWithAuth("/users/@me", map[string]string{"bio": longBio}, owner.Token)
+	if err != nil {
+		t.Fatalf("failed to update with long bio: %v", err)
+	}
+	if resp.StatusCode != http.StatusBadRequest {
+		t.Fatalf("expected 400 for oversized bio, got %d", resp.StatusCode)
+	}
+	resp.Body.Close()
+}