1use super::*;
2use crate::test_both_dbs;
3use language::proto::{self, serialize_version};
4use text::Buffer;
5
6test_both_dbs!(
7 test_channel_buffers,
8 test_channel_buffers_postgres,
9 test_channel_buffers_sqlite
10);
11
12async fn test_channel_buffers(db: &Arc<Database>) {
13 let a_id = db
14 .create_user(
15 "user_a@example.com",
16 false,
17 NewUserParams {
18 github_login: "user_a".into(),
19 github_user_id: 101,
20 },
21 )
22 .await
23 .unwrap()
24 .user_id;
25 let b_id = db
26 .create_user(
27 "user_b@example.com",
28 false,
29 NewUserParams {
30 github_login: "user_b".into(),
31 github_user_id: 102,
32 },
33 )
34 .await
35 .unwrap()
36 .user_id;
37
38 // This user will not be a part of the channel
39 let c_id = db
40 .create_user(
41 "user_c@example.com",
42 false,
43 NewUserParams {
44 github_login: "user_c".into(),
45 github_user_id: 103,
46 },
47 )
48 .await
49 .unwrap()
50 .user_id;
51
52 let owner_id = db.create_server("production").await.unwrap().0 as u32;
53
54 let zed_id = db.create_root_channel("zed", a_id).await.unwrap();
55
56 db.invite_channel_member(zed_id, b_id, a_id, ChannelRole::Member)
57 .await
58 .unwrap();
59
60 db.respond_to_channel_invite(zed_id, b_id, true)
61 .await
62 .unwrap();
63
64 let connection_id_a = ConnectionId { owner_id, id: 1 };
65 let _ = db
66 .join_channel_buffer(zed_id, a_id, connection_id_a)
67 .await
68 .unwrap();
69
70 let mut buffer_a = Buffer::new(0, text::BufferId::new(1).unwrap(), "".to_string());
71 let operations = vec![
72 buffer_a.edit([(0..0, "hello world")]),
73 buffer_a.edit([(5..5, ", cruel")]),
74 buffer_a.edit([(0..5, "goodbye")]),
75 buffer_a.undo().unwrap().1,
76 ];
77 assert_eq!(buffer_a.text(), "hello, cruel world");
78
79 let operations = operations
80 .into_iter()
81 .map(|op| proto::serialize_operation(&language::Operation::Buffer(op)))
82 .collect::<Vec<_>>();
83
84 db.update_channel_buffer(zed_id, a_id, &operations)
85 .await
86 .unwrap();
87
88 let connection_id_b = ConnectionId { owner_id, id: 2 };
89 let buffer_response_b = db
90 .join_channel_buffer(zed_id, b_id, connection_id_b)
91 .await
92 .unwrap();
93
94 let mut buffer_b = Buffer::new(
95 0,
96 text::BufferId::new(1).unwrap(),
97 buffer_response_b.base_text,
98 );
99 buffer_b.apply_ops(buffer_response_b.operations.into_iter().map(|operation| {
100 let operation = proto::deserialize_operation(operation).unwrap();
101 if let language::Operation::Buffer(operation) = operation {
102 operation
103 } else {
104 unreachable!()
105 }
106 }));
107
108 assert_eq!(buffer_b.text(), "hello, cruel world");
109
110 // Ensure that C fails to open the buffer
111 assert!(db
112 .join_channel_buffer(zed_id, c_id, ConnectionId { owner_id, id: 3 })
113 .await
114 .is_err());
115
116 // Ensure that both collaborators have shown up
117 assert_eq!(
118 buffer_response_b.collaborators,
119 &[
120 rpc::proto::Collaborator {
121 user_id: a_id.to_proto(),
122 peer_id: Some(rpc::proto::PeerId { id: 1, owner_id }),
123 replica_id: 0,
124 },
125 rpc::proto::Collaborator {
126 user_id: b_id.to_proto(),
127 peer_id: Some(rpc::proto::PeerId { id: 2, owner_id }),
128 replica_id: 1,
129 }
130 ]
131 );
132
133 // Ensure that get_channel_buffer_collaborators works
134 let zed_collaborats = db.get_channel_buffer_collaborators(zed_id).await.unwrap();
135 assert_eq!(zed_collaborats, &[a_id, b_id]);
136
137 let left_buffer = db
138 .leave_channel_buffer(zed_id, connection_id_b)
139 .await
140 .unwrap();
141
142 assert_eq!(left_buffer.connections, &[connection_id_a],);
143
144 let cargo_id = db.create_root_channel("cargo", a_id).await.unwrap();
145 let _ = db
146 .join_channel_buffer(cargo_id, a_id, connection_id_a)
147 .await
148 .unwrap();
149
150 db.leave_channel_buffers(connection_id_a).await.unwrap();
151
152 let zed_collaborators = db.get_channel_buffer_collaborators(zed_id).await.unwrap();
153 let cargo_collaborators = db.get_channel_buffer_collaborators(cargo_id).await.unwrap();
154 assert_eq!(zed_collaborators, &[]);
155 assert_eq!(cargo_collaborators, &[]);
156
157 // When everyone has left the channel, the operations are collapsed into
158 // a new base text.
159 let buffer_response_b = db
160 .join_channel_buffer(zed_id, b_id, connection_id_b)
161 .await
162 .unwrap();
163 assert_eq!(buffer_response_b.base_text, "hello, cruel world");
164 assert_eq!(buffer_response_b.operations, &[]);
165}
166
167test_both_dbs!(
168 test_channel_buffers_last_operations,
169 test_channel_buffers_last_operations_postgres,
170 test_channel_buffers_last_operations_sqlite
171);
172
173async fn test_channel_buffers_last_operations(db: &Database) {
174 let user_id = db
175 .create_user(
176 "user_a@example.com",
177 false,
178 NewUserParams {
179 github_login: "user_a".into(),
180 github_user_id: 101,
181 },
182 )
183 .await
184 .unwrap()
185 .user_id;
186 let observer_id = db
187 .create_user(
188 "user_b@example.com",
189 false,
190 NewUserParams {
191 github_login: "user_b".into(),
192 github_user_id: 102,
193 },
194 )
195 .await
196 .unwrap()
197 .user_id;
198 let owner_id = db.create_server("production").await.unwrap().0 as u32;
199 let connection_id = ConnectionId {
200 owner_id,
201 id: user_id.0 as u32,
202 };
203
204 let mut buffers = Vec::new();
205 let mut text_buffers = Vec::new();
206 for i in 0..3 {
207 let channel = db
208 .create_root_channel(&format!("channel-{i}"), user_id)
209 .await
210 .unwrap();
211
212 db.invite_channel_member(channel, observer_id, user_id, ChannelRole::Member)
213 .await
214 .unwrap();
215 db.respond_to_channel_invite(channel, observer_id, true)
216 .await
217 .unwrap();
218
219 db.join_channel_buffer(channel, user_id, connection_id)
220 .await
221 .unwrap();
222
223 buffers.push(
224 db.transaction(|tx| async move { db.get_channel_buffer(channel, &tx).await })
225 .await
226 .unwrap(),
227 );
228
229 text_buffers.push(Buffer::new(
230 0,
231 text::BufferId::new(1).unwrap(),
232 "".to_string(),
233 ));
234 }
235
236 update_buffer(
237 buffers[0].channel_id,
238 user_id,
239 db,
240 vec![
241 text_buffers[0].edit([(0..0, "a")]),
242 text_buffers[0].edit([(0..0, "b")]),
243 text_buffers[0].edit([(0..0, "c")]),
244 ],
245 )
246 .await;
247
248 update_buffer(
249 buffers[1].channel_id,
250 user_id,
251 db,
252 vec![
253 text_buffers[1].edit([(0..0, "d")]),
254 text_buffers[1].edit([(1..1, "e")]),
255 text_buffers[1].edit([(2..2, "f")]),
256 ],
257 )
258 .await;
259
260 // cause buffer 1's epoch to increment.
261 db.leave_channel_buffer(buffers[1].channel_id, connection_id)
262 .await
263 .unwrap();
264 db.join_channel_buffer(buffers[1].channel_id, user_id, connection_id)
265 .await
266 .unwrap();
267 text_buffers[1] = Buffer::new(1, text::BufferId::new(1).unwrap(), "def".to_string());
268 update_buffer(
269 buffers[1].channel_id,
270 user_id,
271 db,
272 vec![
273 text_buffers[1].edit([(0..0, "g")]),
274 text_buffers[1].edit([(0..0, "h")]),
275 ],
276 )
277 .await;
278
279 update_buffer(
280 buffers[2].channel_id,
281 user_id,
282 db,
283 vec![text_buffers[2].edit([(0..0, "i")])],
284 )
285 .await;
286
287 let channels_for_user = db.get_channels_for_user(user_id).await.unwrap();
288
289 pretty_assertions::assert_eq!(
290 channels_for_user.latest_buffer_versions,
291 [
292 rpc::proto::ChannelBufferVersion {
293 channel_id: buffers[0].channel_id.to_proto(),
294 epoch: 0,
295 version: serialize_version(&text_buffers[0].version()),
296 },
297 rpc::proto::ChannelBufferVersion {
298 channel_id: buffers[1].channel_id.to_proto(),
299 epoch: 1,
300 version: serialize_version(&text_buffers[1].version())
301 .into_iter()
302 .filter(|vector| vector.replica_id == text_buffers[1].replica_id() as u32)
303 .collect::<Vec<_>>(),
304 },
305 rpc::proto::ChannelBufferVersion {
306 channel_id: buffers[2].channel_id.to_proto(),
307 epoch: 0,
308 version: serialize_version(&text_buffers[2].version()),
309 },
310 ]
311 );
312}
313
314async fn update_buffer(
315 channel_id: ChannelId,
316 user_id: UserId,
317 db: &Database,
318 operations: Vec<text::Operation>,
319) {
320 let operations = operations
321 .into_iter()
322 .map(|op| proto::serialize_operation(&language::Operation::Buffer(op)))
323 .collect::<Vec<_>>();
324 db.update_channel_buffer(channel_id, user_id, &operations)
325 .await
326 .unwrap();
327}