yao 0.1.4

a fast, tiny, extensiable workflow engine
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

use crate::{
    sch::{ActId, ActState, EventAction, EventData, Task},
    store::{data, DataSet, Store, StoreKind},
    utils, Engine, StoreAdapter, TaskState, Workflow,
};
use std::sync::Arc;
use tokio::sync::OnceCell;

static STORE: OnceCell<Store> = OnceCell::const_new();
async fn init() -> Store {
    let s = Store::new();
    s
}

async fn store(engine: &Engine) -> &'static Store {
    let store = STORE.get_or_init(init).await;
    store.init(&engine);

    store
}

#[tokio::test]
async fn store_local() {
    let engine = Engine::new();
    let store = store(&engine).await;

    #[cfg(feature = "store")]
    assert_eq!(store.kind(), StoreKind::Local);

    #[cfg(feature = "sqlite")]
    assert_eq!(store.kind(), StoreKind::Sqlite);
}

// #[tokio::test]
// async fn store_extern() {
//     let engine = Engine::new();

//     let test_store = TestStore;
//     engine.adapter().set_store_adapter("store", test_store);
//     let store = store(&engine).await;

//     assert_eq!(store.kind(), StoreKind::Extern);
// }

#[tokio::test]
async fn store_load() {
    let engine = Engine::new();
    let store = store(&engine).await;

    let prefix = utils::shortid();
    for _ in 0..100 {
        let id = format!("{}_{}", prefix, utils::longid());
        let workflow = create_workflow(&id);
        let proc = engine.scher().create_raw_proc(&workflow);
        store.create_proc(&proc);
    }

    let procs = store.load(engine.scher(), 10000);
    let procs = procs
        .iter()
        .filter(|it| it.pid().starts_with(&prefix))
        .collect::<Vec<_>>();
    assert_eq!(procs.len(), 100);
}

#[tokio::test]
async fn store_proc_update() {
    let engine = Engine::new();
    let store = store(&engine).await;

    let id = utils::longid();
    let workflow = create_workflow(&id);
    let proc = engine.scher().create_raw_proc(&workflow);

    store.create_proc(&proc);

    proc.set_state(&TaskState::Running);
    store.update_proc(&proc);

    let p = store.proc(&proc.pid(), &engine.scher()).unwrap();
    assert_eq!(p.pid(), proc.pid());
    assert_eq!(p.state(), TaskState::Running);
}

#[tokio::test]
async fn store_task_update() {
    let engine = Engine::new();
    let store = store(&engine).await;
    engine
        .scher()
        .on_task(move |task: &Task, data: &EventData| {
            println!("update task:{}, data={:?}", task.tid(), data);
            if data.action == EventAction::Create {
                store.create_task(task, &data.pid);
            } else {
                store.update_task(task, &task.tid(), &data.vars);
            }
        });

    let scher = engine.scher();

    let id = utils::longid();
    let workflow = create_workflow(&id);
    let proc = engine.scher().create_raw_proc(&workflow);
    scher.cache().push(&proc);
    let job = proc.task("job1").unwrap();

    // proc.start();
    scher.sched_proc(&proc);
    // proc.start();
    scher.next().await;
    scher.next().await;
    scher.next().await;
    scher.next().await;

    std::thread::sleep(std::time::Duration::from_millis(3000));

    let p = store.proc(&proc.pid(), &engine.scher()).unwrap();
    let loaded_job = p.task("job1").unwrap();
    assert_eq!(job.state(), TaskState::Running);
    assert_eq!(loaded_job.state(), TaskState::Running);
}

#[tokio::test]
async fn store_remove() {
    let engine = Engine::new();
    let store = store(&engine).await;

    let id = utils::longid();
    let workflow = create_workflow(&id);
    let proc = engine.scher().create_raw_proc(&workflow);

    store.create_proc(&proc);
    store.remove_proc(&proc.pid());
    let ret = store.proc(&proc.pid(), &engine.scher());
    assert!(ret.is_none());
}

fn create_workflow(id: &str) -> Workflow {
    let text = include_str!("../../../examples/store_test.yml");
    let mut workflow = Workflow::from_str(text).unwrap();
    workflow.set_biz_id(id);

    workflow
}

#[derive(Debug)]
struct TestStore;

impl StoreAdapter for TestStore {
    fn procs(&self) -> Arc<dyn DataSet<data::Proc>> {
        todo!()
    }

    fn tasks(&self) -> Arc<dyn DataSet<data::Task>> {
        todo!()
    }

    fn messages(&self) -> Arc<dyn DataSet<data::Message>> {
        todo!()
    }

    fn init(&self) {}

    fn flush(&self) {}
}