bpmn-engine 0.1.0

BPMN 2.0 execution engine for Rust with JSON and XML format support
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

//! Unit tests for Event elements

use bpmn_engine::activity::{DefaultActivityFactory, ActivityFactory};
use bpmn_engine::engine::{ExecutionContext, ProcessInstanceState};
use bpmn_engine::model::{ProcessDefinition, ProcessElement, ElementBase, StartEvent, EndEvent, IntermediateCatchEvent, IntermediateThrowEvent};
use test_log::test;
use tokio_test;

#[tokio::test]
async fn test_start_event_activity_via_factory() {
    let factory = DefaultActivityFactory::new();
    let event = ProcessElement::StartEvent(StartEvent {
        base: ElementBase {
            id: "start1".to_string(),
            name: Some("Start".to_string()),
            documentation: None,
        },
        event_definition: None,
    });

    let activity = factory.create_activity(&event).unwrap();
    let mut definition = ProcessDefinition::from_json(r#"
    {
        "id": "process1",
        "isExecutable": true,
        "elements": [
            {
                "type": "startEvent",
                "id": "start1"
            },
            {
                "type": "serviceTask",
                "id": "task1"
            },
            {
                "type": "sequenceFlow",
                "id": "flow1",
                "sourceRef": "start1",
                "targetRef": "task1"
            }
        ],
        "variables": {}
    }
    "#).unwrap();
    let mut context = ExecutionContext::new(definition.clone(), "instance1".to_string());

    let result = activity.execute(&mut context).await.unwrap();
    match result {
        bpmn_engine::activity::ActivityResult::Continue { next_elements } => {
            assert_eq!(next_elements.len(), 1);
            assert_eq!(next_elements[0], "task1");
        }
        _ => panic!("Expected Continue result"),
    }
}

#[tokio::test]
async fn test_end_event_activity_via_factory() {
    let factory = DefaultActivityFactory::new();
    let event = ProcessElement::EndEvent(EndEvent {
        base: ElementBase {
            id: "end1".to_string(),
            name: Some("End".to_string()),
            documentation: None,
        },
        event_definition: None,
    });

    let activity = factory.create_activity(&event).unwrap();
    let mut definition = ProcessDefinition::from_json(r#"
    {
        "id": "process1",
        "isExecutable": true,
        "elements": [
            {
                "type": "endEvent",
                "id": "end1"
            }
        ],
        "variables": {}
    }
    "#).unwrap();
    let mut context = ExecutionContext::new(definition.clone(), "instance1".to_string());

    let result = activity.execute(&mut context).await.unwrap();
    match result {
        bpmn_engine::activity::ActivityResult::Completed { .. } => {}
        _ => panic!("Expected Completed result"),
    }
    assert_eq!(context.state, ProcessInstanceState::Completed);
}

#[tokio::test]
async fn test_intermediate_catch_event_activity_via_factory() {
    let factory = DefaultActivityFactory::new();
    let event = ProcessElement::IntermediateCatchEvent(IntermediateCatchEvent {
        base: ElementBase {
            id: "catchEvent1".to_string(),
            name: Some("Catch Event".to_string()),
            documentation: None,
        },
        event_definition: None,
    });

    let activity = factory.create_activity(&event).unwrap();
    let mut definition = ProcessDefinition::from_json(r#"
    {
        "id": "process1",
        "isExecutable": true,
        "elements": [],
        "variables": {}
    }
    "#).unwrap();
    let mut context = ExecutionContext::new(definition.clone(), "instance1".to_string());

    let result = activity.execute(&mut context).await.unwrap();
    match result {
        bpmn_engine::activity::ActivityResult::Waiting { .. } => {}
        _ => panic!("Expected Waiting result"),
    }
}

#[tokio::test]
async fn test_intermediate_throw_event_activity_via_factory() {
    let factory = DefaultActivityFactory::new();
    let event = ProcessElement::IntermediateThrowEvent(IntermediateThrowEvent {
        base: ElementBase {
            id: "throwEvent1".to_string(),
            name: Some("Throw Event".to_string()),
            documentation: None,
        },
        event_definition: None,
    });

    let activity = factory.create_activity(&event).unwrap();
    let mut definition = ProcessDefinition::from_json(r#"
    {
        "id": "process1",
        "isExecutable": true,
        "elements": [
            {
                "type": "intermediateThrowEvent",
                "id": "throwEvent1"
            },
            {
                "type": "serviceTask",
                "id": "task1"
            },
            {
                "type": "sequenceFlow",
                "id": "flow1",
                "sourceRef": "throwEvent1",
                "targetRef": "task1"
            }
        ],
        "variables": {}
    }
    "#).unwrap();
    let mut context = ExecutionContext::new(definition.clone(), "instance1".to_string());

    let result = activity.execute(&mut context).await.unwrap();
    match result {
        bpmn_engine::activity::ActivityResult::Continue { .. } => {}
        _ => panic!("Expected Continue result"),
    }
}