1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
|
use std::future;
use axum::extract::{Json, State};
use futures::stream::StreamExt as _;
use super::post;
use crate::{
channel::app,
test::fixtures::{self, future::Immediately as _},
};
#[tokio::test]
async fn new_channel() {
// Set up the environment
let app = fixtures::scratch_app().await;
let creator = fixtures::login::create(&app, &fixtures::now()).await;
// Call the endpoint
let name = fixtures::channel::propose();
let request = post::Request { name: name.clone() };
let Json(response) = post::handler(State(app.clone()), creator, fixtures::now(), Json(request))
.await
.expect("creating a channel in an empty app succeeds");
// Verify the structure of the response
assert_eq!(name, response.name);
// Verify the semantics
let snapshot = app.boot().snapshot().await.expect("boot always succeeds");
assert!(snapshot.channels.iter().any(|channel| channel == &response));
let channel = app
.channels()
.get(&response.id)
.await
.expect("searching for channels by ID never fails")
.expect("the newly-created channel exists");
assert_eq!(response, channel);
let mut events = app
.events()
.subscribe(None)
.await
.expect("subscribing never fails")
.filter_map(fixtures::channel::events)
.filter_map(fixtures::channel::created)
.filter(|event| future::ready(event.channel == response));
let event = events
.next()
.immediately()
.await
.expect("creation event published");
assert_eq!(event.channel, response);
}
#[tokio::test]
async fn duplicate_name() {
// Set up the environment
let app = fixtures::scratch_app().await;
let creator = fixtures::login::create(&app, &fixtures::now()).await;
let channel = fixtures::channel::create(&app, &fixtures::now()).await;
// Call the endpoint
let request = post::Request {
name: channel.name.clone(),
};
let post::Error(error) =
post::handler(State(app.clone()), creator, fixtures::now(), Json(request))
.await
.expect_err("duplicate channel name should fail the request");
// Verify the structure of the response
assert!(matches!(
error,
app::CreateError::DuplicateName(name) if channel.name == name
));
}
#[tokio::test]
async fn name_reusable_after_delete() {
// Set up the environment
let app = fixtures::scratch_app().await;
let creator = fixtures::login::create(&app, &fixtures::now()).await;
let name = fixtures::channel::propose();
// Call the endpoint (first time)
let request = post::Request { name: name.clone() };
let Json(response) = post::handler(
State(app.clone()),
creator.clone(),
fixtures::now(),
Json(request),
)
.await
.expect("new channel in an empty app");
// Delete the channel
app.channels()
.delete(&response.id, &fixtures::now())
.await
.expect("deleting a newly-created channel succeeds");
// Call the endpoint (second time)
let request = post::Request { name: name.clone() };
let Json(response) = post::handler(State(app.clone()), creator, fixtures::now(), Json(request))
.await
.expect("new channel in an empty app");
// Verify the structure of the response
assert_eq!(name, response.name);
// Verify the semantics
let snapshot = app.boot().snapshot().await.expect("boot always succeeds");
assert!(snapshot.channels.iter().any(|channel| channel == &response));
let channel = app
.channels()
.get(&response.id)
.await
.expect("searching for channels by ID never fails")
.expect("the newly-created channel exists");
assert_eq!(response, channel);
let mut events = app
.events()
.subscribe(None)
.await
.expect("subscribing never fails")
.filter_map(fixtures::channel::events)
.filter_map(fixtures::channel::created)
.filter(|event| future::ready(event.channel == response));
let event = events
.next()
.immediately()
.await
.expect("creation event published");
assert_eq!(event.channel, response);
}
|
