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| 1 | +use std::collections::HashMap; |
| 2 | + |
| 3 | +use crate::Emitter; |
| 4 | +use redis::Commands; |
| 5 | +use rmp_serde::Serializer; |
| 6 | +use serde::Serialize; |
| 7 | + |
| 8 | +#[derive(Debug, PartialEq, Serialize, Deserialize)] |
| 9 | +struct Packet { |
| 10 | + #[serde(rename = "type")] |
| 11 | + _type: i32, |
| 12 | + data: Vec<String>, |
| 13 | + nsp: String, |
| 14 | +} |
| 15 | + |
| 16 | +#[derive(Debug, PartialEq, Serialize, Deserialize)] |
| 17 | +struct Opts { |
| 18 | + rooms: Vec<String>, |
| 19 | + flags: HashMap<String, bool>, |
| 20 | +} |
| 21 | + |
| 22 | +impl Emitter { |
| 23 | + pub fn json(mut self) -> Emitter { |
| 24 | + let mut flags = HashMap::new(); |
| 25 | + flags.insert("json".to_string(), true); |
| 26 | + self.flags = flags; |
| 27 | + self |
| 28 | + } |
| 29 | + |
| 30 | + pub fn volatile(mut self) -> Emitter { |
| 31 | + let mut flags = HashMap::new(); |
| 32 | + flags.insert("volatile".to_string(), true); |
| 33 | + self.flags = flags; |
| 34 | + self |
| 35 | + } |
| 36 | + |
| 37 | + pub fn broadcast(mut self) -> Emitter { |
| 38 | + let mut flags = HashMap::new(); |
| 39 | + flags.insert("broadcast".to_string(), true); |
| 40 | + self.flags = flags; |
| 41 | + self |
| 42 | + } |
| 43 | + |
| 44 | + pub fn emit(mut self, message: Vec<&str>) -> Emitter { |
| 45 | + let packet = Packet { |
| 46 | + _type: 2, |
| 47 | + data: message.iter().map(|s| s.to_string()).collect(), |
| 48 | + nsp: self.nsp.clone(), |
| 49 | + }; |
| 50 | + let opts = Opts { |
| 51 | + rooms: self.rooms.clone(), |
| 52 | + flags: self.flags.clone(), |
| 53 | + }; |
| 54 | + let mut msg = Vec::new(); |
| 55 | + let val = (self.uid.clone(), packet, opts); |
| 56 | + val.serialize(&mut Serializer::new(&mut msg).with_struct_map()) |
| 57 | + .unwrap(); |
| 58 | + |
| 59 | + let channel = if self.rooms.len() == 1 { |
| 60 | + format!("{}{}#", self.channel, self.rooms.join("#")) |
| 61 | + } else { |
| 62 | + self.channel.clone() |
| 63 | + }; |
| 64 | + |
| 65 | + let _: () = self.redis.publish(channel, msg).unwrap(); |
| 66 | + self.rooms = vec![]; |
| 67 | + self.flags = HashMap::new(); |
| 68 | + self |
| 69 | + } |
| 70 | +} |
| 71 | + |
| 72 | +#[cfg(test)] |
| 73 | +mod tests { |
| 74 | + use super::{Emitter, Opts, Packet}; |
| 75 | + use crate::tests::create_redis; |
| 76 | + use redis::Msg; |
| 77 | + use rmp_serde::Deserializer; |
| 78 | + use serde::Deserialize; |
| 79 | + |
| 80 | + fn decode_msg(msg: Msg) -> (String, Packet, Opts) { |
| 81 | + let payload: Vec<u8> = msg.get_payload().unwrap(); |
| 82 | + let mut de = Deserializer::new(&payload[..]); |
| 83 | + Deserialize::deserialize(&mut de).unwrap() |
| 84 | + } |
| 85 | + |
| 86 | + #[test] |
| 87 | + fn emit() { |
| 88 | + create_redis!(redis); |
| 89 | + let mut con = redis.get_connection().unwrap(); |
| 90 | + let mut pubsub = con.as_pubsub(); |
| 91 | + pubsub.subscribe("socket.io#/#").unwrap(); |
| 92 | + |
| 93 | + // act |
| 94 | + let io = Emitter::new(redis); |
| 95 | + io.emit(vec!["test1", "test2"]); |
| 96 | + |
| 97 | + // assert |
| 98 | + let actual = decode_msg(pubsub.get_message().unwrap()); |
| 99 | + assert_eq!("emitter", actual.0); |
| 100 | + assert_eq!( |
| 101 | + Packet { |
| 102 | + _type: 2, |
| 103 | + data: vec!["test1".to_string(), "test2".to_string()], |
| 104 | + nsp: "/".to_string(), |
| 105 | + }, |
| 106 | + actual.1 |
| 107 | + ); |
| 108 | + assert_eq!( |
| 109 | + Opts { |
| 110 | + rooms: vec![], |
| 111 | + flags: Default::default() |
| 112 | + }, |
| 113 | + actual.2 |
| 114 | + ); |
| 115 | + } |
| 116 | + |
| 117 | + #[test] |
| 118 | + fn emit_in_namespaces() { |
| 119 | + create_redis!(redis); |
| 120 | + let mut con = redis.get_connection().unwrap(); |
| 121 | + let mut pubsub = con.as_pubsub(); |
| 122 | + pubsub.subscribe("socket.io#/custom#").unwrap(); |
| 123 | + |
| 124 | + // act |
| 125 | + let io = Emitter::new(redis); |
| 126 | + io.of("/custom").emit(vec!["test"]); |
| 127 | + |
| 128 | + // assert |
| 129 | + let actual = decode_msg(pubsub.get_message().unwrap()); |
| 130 | + assert_eq!("emitter", actual.0); |
| 131 | + assert_eq!( |
| 132 | + Packet { |
| 133 | + _type: 2, |
| 134 | + data: vec!["test".to_string()], |
| 135 | + nsp: "/custom".to_string(), |
| 136 | + }, |
| 137 | + actual.1 |
| 138 | + ); |
| 139 | + assert_eq!( |
| 140 | + Opts { |
| 141 | + rooms: vec![], |
| 142 | + flags: Default::default() |
| 143 | + }, |
| 144 | + actual.2 |
| 145 | + ); |
| 146 | + } |
| 147 | + |
| 148 | + #[test] |
| 149 | + fn emit_to_namespaces() { |
| 150 | + create_redis!(redis); |
| 151 | + let mut con = redis.get_connection().unwrap(); |
| 152 | + let mut pubsub = con.as_pubsub(); |
| 153 | + pubsub.subscribe("socket.io#/custom#").unwrap(); |
| 154 | + |
| 155 | + // act |
| 156 | + let io = Emitter::new(redis); |
| 157 | + io.of("/custom").emit(vec!["test"]); |
| 158 | + |
| 159 | + // assert |
| 160 | + let actual = decode_msg(pubsub.get_message().unwrap()); |
| 161 | + assert_eq!("emitter", actual.0); |
| 162 | + assert_eq!( |
| 163 | + Packet { |
| 164 | + _type: 2, |
| 165 | + data: vec!["test".to_string()], |
| 166 | + nsp: "/custom".to_string(), |
| 167 | + }, |
| 168 | + actual.1 |
| 169 | + ); |
| 170 | + assert_eq!( |
| 171 | + Opts { |
| 172 | + rooms: vec![], |
| 173 | + flags: Default::default() |
| 174 | + }, |
| 175 | + actual.2 |
| 176 | + ); |
| 177 | + } |
| 178 | + |
| 179 | + #[test] |
| 180 | + fn emit_to_room() { |
| 181 | + create_redis!(redis); |
| 182 | + let mut con = redis.get_connection().unwrap(); |
| 183 | + let mut pubsub = con.as_pubsub(); |
| 184 | + pubsub.subscribe("socket.io#/#room1#").unwrap(); |
| 185 | + |
| 186 | + // act |
| 187 | + let io = Emitter::new(redis); |
| 188 | + io.to("room1").emit(vec!["test"]); |
| 189 | + |
| 190 | + // assert |
| 191 | + let actual = decode_msg(pubsub.get_message().unwrap()); |
| 192 | + assert_eq!("emitter", actual.0); |
| 193 | + assert_eq!( |
| 194 | + Packet { |
| 195 | + _type: 2, |
| 196 | + data: vec!["test".to_string()], |
| 197 | + nsp: "/".to_string(), |
| 198 | + }, |
| 199 | + actual.1 |
| 200 | + ); |
| 201 | + assert_eq!( |
| 202 | + Opts { |
| 203 | + rooms: vec!["room1".to_string()], |
| 204 | + flags: Default::default() |
| 205 | + }, |
| 206 | + actual.2 |
| 207 | + ); |
| 208 | + } |
| 209 | +} |
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