124 lines
4.6 KiB
Go
124 lines
4.6 KiB
Go
/*
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* Copyright (C) 2026 Fluxer Contributors
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*
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* This file is part of Fluxer.
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*
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* Fluxer is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Fluxer is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with Fluxer. If not, see <https://www.gnu.org/licenses/>.
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*/
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package integration
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import (
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"fmt"
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"net/http"
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"testing"
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"time"
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)
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func TestMessageFetchAfter(t *testing.T) {
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client := newTestClient(t)
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account := createTestAccount(t, client)
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guild := createGuild(t, client, account.Token, "Fetch After Test Guild")
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channelID := parseSnowflake(t, guild.SystemChannel)
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clearChannelMessages(t, client, channelID, account.Token)
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// Seed 20 messages
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const totalMessages = 20
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timestamps := make([]time.Time, totalMessages)
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baseTime := time.Now().Add(-time.Hour * 1)
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for i := 0; i < totalMessages; i++ {
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timestamps[i] = baseTime.Add(time.Minute * time.Duration(i))
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}
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seedResult := seedMessagesAtTimestamps(t, client, channelID, timestamps, account.UserID)
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if len(seedResult.Messages) != totalMessages {
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t.Fatalf("expected %d messages to be seeded, got %d", totalMessages, len(seedResult.Messages))
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}
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// Get the 5th message (index 4) to use as the "after" anchor
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const anchorIndex = 4
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anchorMessageID := seedResult.Messages[anchorIndex].MessageID
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// Fetch messages after the 5th message
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// The "after" parameter returns messages with IDs greater than the anchor
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// With DESC ordering and a limit, we get the LATEST N messages after the anchor
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// So with limit=10 and 15 messages after the anchor (indices 5-19),
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// we expect the 10 newest: indices 10-19
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const limit = 10
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resp, err := client.getWithAuth(fmt.Sprintf("/channels/%d/messages?limit=%d&after=%s", channelID, limit, anchorMessageID), account.Token)
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if err != nil {
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t.Fatalf("failed to fetch messages: %v", err)
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}
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assertStatus(t, resp, http.StatusOK)
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var fetchedMessages []struct {
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ID string `json:"id"`
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ChannelID string `json:"channel_id"`
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Content string `json:"content"`
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}
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decodeJSONResponse(t, resp, &fetchedMessages)
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if len(fetchedMessages) != limit {
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t.Fatalf("expected %d messages, got %d", limit, len(fetchedMessages))
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}
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for i := 0; i < len(fetchedMessages)-1; i++ {
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current := parseSnowflake(t, fetchedMessages[i].ID)
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next := parseSnowflake(t, fetchedMessages[i+1].ID)
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if current <= next {
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t.Fatalf("messages not in descending order: message[%d] (%d) <= message[%d] (%d)", i, current, i+1, next)
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}
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}
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// With 15 messages after anchor (indices 5-19), limit=10 returns the newest 10 (indices 10-19)
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// Calculate expected range: total messages after anchor = totalMessages - anchorIndex - 1 = 15
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// Expected indices: from (totalMessages - limit) to (totalMessages - 1) = indices 10-19
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const expectedFirstIndex = totalMessages - 1 // 19 (newest)
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const expectedLastIndex = totalMessages - limit
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expectedIDs := make(map[string]bool)
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for i := expectedLastIndex; i <= expectedFirstIndex; i++ {
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expectedIDs[seedResult.Messages[i].MessageID] = true
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}
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for i, msg := range fetchedMessages {
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if !expectedIDs[msg.ID] {
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t.Fatalf("message[%d] ID %s was not in the expected range (indices %d-%d)", i, msg.ID, expectedLastIndex, expectedFirstIndex)
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}
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}
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expectedFirstMessageID := seedResult.Messages[expectedFirstIndex].MessageID
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if fetchedMessages[0].ID != expectedFirstMessageID {
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t.Fatalf("first fetched message should be from index %d: expected %s, got %s", expectedFirstIndex, expectedFirstMessageID, fetchedMessages[0].ID)
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}
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expectedLastMessageID := seedResult.Messages[expectedLastIndex].MessageID
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if fetchedMessages[limit-1].ID != expectedLastMessageID {
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t.Fatalf("last fetched message should be from index %d: expected %s, got %s", expectedLastIndex, expectedLastMessageID, fetchedMessages[limit-1].ID)
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}
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anchorSnowflake := parseSnowflake(t, anchorMessageID)
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for i, msg := range fetchedMessages {
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msgSnowflake := parseSnowflake(t, msg.ID)
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if msgSnowflake <= anchorSnowflake {
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t.Fatalf("message[%d] ID %s (%d) should be after anchor %s (%d)", i, msg.ID, msgSnowflake, anchorMessageID, anchorSnowflake)
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}
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}
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t.Logf("Fetch after test passed: retrieved %d messages after message at index %d", len(fetchedMessages), anchorIndex)
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}
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