rmux-server 0.1.0

Tokio daemon and request dispatcher for the RMUX terminal multiplexer.
Documentation 
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
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193

use super::*;

#[tokio::test]
async fn link_window_shares_runtime_tracks_linked_sessions_and_unlinks_cleanly() {
    let handler = RequestHandler::new();
    let alpha = session_name("alpha");
    let beta = session_name("beta");
    create_session(&handler, "alpha").await;
    create_session(&handler, "beta").await;

    let response = handler
        .handle(Request::LinkWindow(LinkWindowRequest {
            source: WindowTarget::with_window(alpha.clone(), 0),
            target: WindowTarget::with_window(beta.clone(), 1),
            after: false,
            before: false,
            kill_destination: false,
            detached: false,
        }))
        .await;

    assert!(
        matches!(&response, Response::LinkWindow(r) if r.target == WindowTarget::with_window(beta.clone(), 1)),
        "expected link-window success, got {response:?}"
    );

    {
        let state = handler.state.lock().await;
        let alpha_window = state
            .sessions
            .session(&alpha)
            .and_then(|session| session.window_at(0))
            .expect("alpha window 0 should exist");
        let beta_window = state
            .sessions
            .session(&beta)
            .and_then(|session| session.window_at(1))
            .expect("beta window 1 should exist");

        assert_eq!(alpha_window.id(), beta_window.id());
        assert_eq!(state.window_link_count(&alpha, 0), 2);
        assert_eq!(state.window_linked_session_count(&alpha, 0), 2);
        assert_eq!(
            state.window_linked_sessions_list(&alpha, 0),
            vec![alpha.clone(), beta.clone()]
        );
        assert!(
            state.pane_profile_in_window(&beta, 1, 0).is_ok(),
            "linked target should resolve pane runtime through the shared terminal owner"
        );
    }

    let rename = handler
        .handle(Request::RenameWindow(RenameWindowRequest {
            target: WindowTarget::with_window(beta.clone(), 1),
            name: "logs".to_owned(),
        }))
        .await;
    assert!(
        matches!(&rename, Response::RenameWindow(r) if r.target == WindowTarget::with_window(beta.clone(), 1)),
        "expected rename-window success, got {rename:?}"
    );

    {
        let state = handler.state.lock().await;
        let alpha_window = state
            .sessions
            .session(&alpha)
            .and_then(|session| session.window_at(0))
            .expect("alpha window 0 should exist after rename");
        let beta_window = state
            .sessions
            .session(&beta)
            .and_then(|session| session.window_at(1))
            .expect("beta window 1 should exist after rename");

        assert_eq!(alpha_window.name(), Some("logs"));
        assert_eq!(beta_window.name(), Some("logs"));
    }

    let unlink = handler
        .handle(Request::UnlinkWindow(UnlinkWindowRequest {
            target: WindowTarget::with_window(beta.clone(), 1),
            kill_if_last: false,
        }))
        .await;
    assert!(
        matches!(&unlink, Response::UnlinkWindow(r) if r.target == WindowTarget::with_window(beta.clone(), 0)),
        "expected unlink-window success, got {unlink:?}"
    );

    let state = handler.state.lock().await;
    assert_eq!(state.window_link_count(&alpha, 0), 1);
    assert_eq!(state.window_linked_session_count(&alpha, 0), 1);
    assert_eq!(
        state.window_linked_sessions_list(&alpha, 0),
        vec![alpha.clone()]
    );
    assert!(
        state
            .sessions
            .session(&beta)
            .and_then(|session| session.window_at(1))
            .is_none(),
        "unlink-window should remove the target slot from beta"
    );
    assert!(
        state.pane_profile_in_window(&beta, 1, 0).is_err(),
        "unlinked target slot should no longer resolve pane runtime"
    );
}

#[tokio::test]
async fn unlink_window_kill_if_last_deletes_an_unshared_window_slot() {
    let handler = RequestHandler::new();
    let alpha = session_name("alpha");
    create_session(&handler, "alpha").await;
    insert_window(&handler, &alpha, 1).await;

    let response = handler
        .handle(Request::UnlinkWindow(UnlinkWindowRequest {
            target: WindowTarget::with_window(alpha.clone(), 1),
            kill_if_last: true,
        }))
        .await;

    assert!(
        matches!(&response, Response::UnlinkWindow(r) if r.target == WindowTarget::with_window(alpha.clone(), 0)),
        "expected unlink-window -k to remove the unshared slot, got {response:?}"
    );

    let state = handler.state.lock().await;
    let session = state.sessions.session(&alpha).expect("alpha should exist");
    assert!(
        session.window_at(1).is_none(),
        "unlink-window -k should delete the unshared destination window"
    );
    assert_eq!(session.active_window_index(), 0);
}

#[tokio::test]
async fn unlink_window_restores_previous_last_window_flag_after_active_link_removal() {
    let handler = RequestHandler::new();
    let alpha = session_name("alpha");
    create_session(&handler, "alpha").await;
    insert_window(&handler, &alpha, 1).await;
    insert_window(&handler, &alpha, 2).await;

    assert!(matches!(
        handler
            .handle(Request::SelectWindow(SelectWindowRequest {
                target: WindowTarget::with_window(alpha.clone(), 1),
            }))
            .await,
        Response::SelectWindow(_)
    ));
    assert!(matches!(
        handler
            .handle(Request::SelectWindow(SelectWindowRequest {
                target: WindowTarget::with_window(alpha.clone(), 0),
            }))
            .await,
        Response::SelectWindow(_)
    ));

    assert!(matches!(
        handler
            .handle(Request::LinkWindow(LinkWindowRequest {
                source: WindowTarget::with_window(alpha.clone(), 0),
                target: WindowTarget::with_window(alpha.clone(), 9),
                after: false,
                before: false,
                kill_destination: false,
                detached: false,
            }))
            .await,
        Response::LinkWindow(_)
    ));
    assert!(matches!(
        handler
            .handle(Request::UnlinkWindow(UnlinkWindowRequest {
                target: WindowTarget::with_window(alpha.clone(), 9),
                kill_if_last: true,
            }))
            .await,
        Response::UnlinkWindow(_)
    ));

    let state = handler.state.lock().await;
    let session = state.sessions.session(&alpha).expect("alpha should exist");
    assert_eq!(session.active_window_index(), 0);
    assert_eq!(session.last_window_index(), Some(1));
}