fluxer/tests/integration/message_fetch_after_test.go
2026-01-01 21:05:54 +00:00

124 lines
4.6 KiB
Go

/*
* 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"
"testing"
"time"
)
func TestMessageFetchAfter(t *testing.T) {
client := newTestClient(t)
account := createTestAccount(t, client)
guild := createGuild(t, client, account.Token, "Fetch After Test Guild")
channelID := parseSnowflake(t, guild.SystemChannel)
clearChannelMessages(t, client, channelID, account.Token)
// Seed 20 messages
const totalMessages = 20
timestamps := make([]time.Time, totalMessages)
baseTime := time.Now().Add(-time.Hour * 1)
for i := 0; i < totalMessages; i++ {
timestamps[i] = baseTime.Add(time.Minute * time.Duration(i))
}
seedResult := seedMessagesAtTimestamps(t, client, channelID, timestamps, account.UserID)
if len(seedResult.Messages) != totalMessages {
t.Fatalf("expected %d messages to be seeded, got %d", totalMessages, len(seedResult.Messages))
}
// Get the 5th message (index 4) to use as the "after" anchor
const anchorIndex = 4
anchorMessageID := seedResult.Messages[anchorIndex].MessageID
// Fetch messages after the 5th message
// The "after" parameter returns messages with IDs greater than the anchor
// With DESC ordering and a limit, we get the LATEST N messages after the anchor
// So with limit=10 and 15 messages after the anchor (indices 5-19),
// we expect the 10 newest: indices 10-19
const limit = 10
resp, err := client.getWithAuth(fmt.Sprintf("/channels/%d/messages?limit=%d&after=%s", channelID, limit, anchorMessageID), account.Token)
if err != nil {
t.Fatalf("failed to fetch messages: %v", err)
}
assertStatus(t, resp, http.StatusOK)
var fetchedMessages []struct {
ID string `json:"id"`
ChannelID string `json:"channel_id"`
Content string `json:"content"`
}
decodeJSONResponse(t, resp, &fetchedMessages)
if len(fetchedMessages) != limit {
t.Fatalf("expected %d messages, got %d", limit, len(fetchedMessages))
}
for i := 0; i < len(fetchedMessages)-1; i++ {
current := parseSnowflake(t, fetchedMessages[i].ID)
next := parseSnowflake(t, fetchedMessages[i+1].ID)
if current <= next {
t.Fatalf("messages not in descending order: message[%d] (%d) <= message[%d] (%d)", i, current, i+1, next)
}
}
// With 15 messages after anchor (indices 5-19), limit=10 returns the newest 10 (indices 10-19)
// Calculate expected range: total messages after anchor = totalMessages - anchorIndex - 1 = 15
// Expected indices: from (totalMessages - limit) to (totalMessages - 1) = indices 10-19
const expectedFirstIndex = totalMessages - 1 // 19 (newest)
const expectedLastIndex = totalMessages - limit
expectedIDs := make(map[string]bool)
for i := expectedLastIndex; i <= expectedFirstIndex; i++ {
expectedIDs[seedResult.Messages[i].MessageID] = true
}
for i, msg := range fetchedMessages {
if !expectedIDs[msg.ID] {
t.Fatalf("message[%d] ID %s was not in the expected range (indices %d-%d)", i, msg.ID, expectedLastIndex, expectedFirstIndex)
}
}
expectedFirstMessageID := seedResult.Messages[expectedFirstIndex].MessageID
if fetchedMessages[0].ID != expectedFirstMessageID {
t.Fatalf("first fetched message should be from index %d: expected %s, got %s", expectedFirstIndex, expectedFirstMessageID, fetchedMessages[0].ID)
}
expectedLastMessageID := seedResult.Messages[expectedLastIndex].MessageID
if fetchedMessages[limit-1].ID != expectedLastMessageID {
t.Fatalf("last fetched message should be from index %d: expected %s, got %s", expectedLastIndex, expectedLastMessageID, fetchedMessages[limit-1].ID)
}
anchorSnowflake := parseSnowflake(t, anchorMessageID)
for i, msg := range fetchedMessages {
msgSnowflake := parseSnowflake(t, msg.ID)
if msgSnowflake <= anchorSnowflake {
t.Fatalf("message[%d] ID %s (%d) should be after anchor %s (%d)", i, msg.ID, msgSnowflake, anchorMessageID, anchorSnowflake)
}
}
t.Logf("Fetch after test passed: retrieved %d messages after message at index %d", len(fetchedMessages), anchorIndex)
}