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#![cfg(feature = "cache")]
extern crate chrono;
extern crate serde_json;
extern crate serenity;
use chrono::DateTime;
use serde_json::{Number, Value};
use serenity::{
cache::{Cache, CacheUpdate, Settings},
model::prelude::*,
prelude::RwLock,
};
use std::{
collections::HashMap,
sync::Arc,
};
#[test]
fn test_cache_messages() {
let mut settings = Settings::new();
settings.max_messages(2);
let mut cache = Cache::new_with_settings(settings);
// Test inserting one message into a channel's message cache.
let datetime = DateTime::parse_from_str(
"1983 Apr 13 12:09:14.274 +0000",
"%Y %b %d %H:%M:%S%.3f %z",
).unwrap();
let mut event = MessageCreateEvent {
message: Message {
id: MessageId(3),
attachments: vec![],
author: User {
id: UserId(2),
avatar: None,
bot: false,
discriminator: 1,
name: "user 1".to_owned(),
},
channel_id: ChannelId(2),
guild_id: Some(GuildId(1)),
content: String::new(),
edited_timestamp: None,
embeds: vec![],
kind: MessageType::Regular,
member: None,
mention_everyone: false,
mention_roles: vec![],
mentions: vec![],
nonce: Value::Number(Number::from(1)),
pinned: false,
reactions: vec![],
timestamp: datetime.clone(),
tts: false,
webhook_id: None,
},
};
// Check that the channel cache doesn't exist.
assert!(!cache.messages.contains_key(&event.message.channel_id));
// Add first message, none because message ID 2 doesn't already exist.
assert!(event.update(&mut cache).is_none());
// None, it only returns the oldest message if the cache was already full.
assert!(event.update(&mut cache).is_none());
// Assert there's only 1 message in the channel's message cache.
assert_eq!(cache.messages.get(&event.message.channel_id).unwrap().len(), 1);
// Add a second message, assert that channel message cache length is 2.
event.message.id = MessageId(4);
assert!(event.update(&mut cache).is_none());
assert_eq!(cache.messages.get(&event.message.channel_id).unwrap().len(), 2);
// Add a third message, the first should now be removed.
event.message.id = MessageId(5);
assert!(event.update(&mut cache).is_some());
{
let channel = cache.messages.get(&event.message.channel_id).unwrap();
assert_eq!(channel.len(), 2);
// Check that the first message is now removed.
assert!(!channel.contains_key(&MessageId(3)));
}
let guild_channel = GuildChannel {
id: event.message.channel_id,
bitrate: None,
category_id: None,
guild_id: event.message.guild_id.unwrap(),
kind: ChannelType::Text,
last_message_id: None,
last_pin_timestamp: None,
name: String::new(),
permission_overwrites: vec![],
position: 0,
topic: None,
user_limit: None,
nsfw: false,
};
// Add a channel delete event to the cache, the cached messages for that
// channel should now be gone.
let mut delete = ChannelDeleteEvent {
channel: Channel::Guild(Arc::new(RwLock::new(guild_channel.clone()))),
};
assert!(cache.update(&mut delete).is_none());
assert!(!cache.messages.contains_key(&delete.channel.id()));
// Test deletion of a guild channel's message cache when a GuildDeleteEvent
// is received.
let mut guild_create = {
let mut channels = HashMap::new();
channels.insert(ChannelId(2), Arc::new(RwLock::new(guild_channel.clone())));
GuildCreateEvent {
guild: Guild {
id: GuildId(1),
afk_channel_id: None,
afk_timeout: 0,
application_id: None,
default_message_notifications: DefaultMessageNotificationLevel::All,
emojis: HashMap::new(),
explicit_content_filter: ExplicitContentFilter::None,
features: vec![],
icon: None,
joined_at: datetime,
large: false,
member_count: 0,
members: HashMap::new(),
mfa_level: MfaLevel::None,
name: String::new(),
owner_id: UserId(3),
presences: HashMap::new(),
region: String::new(),
roles: HashMap::new(),
splash: None,
system_channel_id: None,
verification_level: VerificationLevel::Low,
voice_states: HashMap::new(),
channels,
},
}
};
assert!(cache.update(&mut guild_create).is_none());
assert!(cache.update(&mut event).is_none());
let mut guild_delete = GuildDeleteEvent {
guild: PartialGuild {
id: GuildId(1),
afk_channel_id: None,
afk_timeout: 0,
default_message_notifications: DefaultMessageNotificationLevel::All,
embed_channel_id: None,
embed_enabled: false,
emojis: HashMap::new(),
features: vec![],
icon: None,
mfa_level: MfaLevel::None,
name: String::new(),
owner_id: UserId(3),
region: String::new(),
roles: HashMap::new(),
splash: None,
verification_level: VerificationLevel::Low,
},
};
// The guild existed in the cache, so the cache's guild is returned by the
// update.
assert!(cache.update(&mut guild_delete).is_some());
// Assert that the channel's message cache no longer exists.
assert!(!cache.messages.contains_key(&ChannelId(2)));
}
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