rx-rs 0.1.3

A lightweight single-threaded push-based reactive programming library
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

use rx_rs::prelude::*;
use std::cell::RefCell;
use std::rc::Rc;

// RxObservable.join_observable() merges two observables
#[test]
fn test_rx_observable_join_observable() {
    let tracker = DisposableTracker::new();
    let subject1 = RxSubject::new();
    let subject2 = RxSubject::new();

    let joined = subject1.observable().join_observable(subject2.observable());

    let values = Rc::new(RefCell::new(Vec::new()));
    let values_clone = values.clone();

    joined.subscribe(tracker.tracker(), move |val| {
        values_clone.borrow_mut().push(*val);
    });

    subject1.next(1);
    subject2.next(2);
    subject1.next(3);
    subject2.next(4);

    assert_eq!(*values.borrow(), vec![1, 2, 3, 4]);
}

// RxObservable.join_subject() works
#[test]
fn test_rx_observable_join_subject() {
    let tracker = DisposableTracker::new();
    let subject1 = RxSubject::new();
    let subject2 = RxSubject::new();

    let joined = subject1.observable().join_subject(subject2.clone());

    let values = Rc::new(RefCell::new(Vec::new()));
    let values_clone = values.clone();

    joined.subscribe(tracker.tracker(), move |val| {
        values_clone.borrow_mut().push(*val);
    });

    subject1.next(10);
    subject2.next(20);
    subject1.next(30);

    assert_eq!(*values.borrow(), vec![10, 20, 30]);
}

// RxSubject.join_observable() works
#[test]
fn test_rx_subject_join_observable() {
    let tracker = DisposableTracker::new();
    let subject1 = RxSubject::new();
    let subject2 = RxSubject::new();

    let joined = subject1.join_observable(subject2.observable());

    let values = Rc::new(RefCell::new(Vec::new()));
    let values_clone = values.clone();

    joined.subscribe(tracker.tracker(), move |val| {
        values_clone.borrow_mut().push(*val);
    });

    subject1.next("a");
    subject2.next("b");
    subject1.next("c");

    assert_eq!(*values.borrow(), vec!["a", "b", "c"]);
}

// RxSubject.join_subject() works
#[test]
fn test_rx_subject_join_subject() {
    let tracker = DisposableTracker::new();
    let subject1 = RxSubject::new();
    let subject2 = RxSubject::new();

    let joined = subject1.join_subject(subject2.clone());

    let values = Rc::new(RefCell::new(Vec::new()));
    let values_clone = values.clone();

    joined.subscribe(tracker.tracker(), move |val| {
        values_clone.borrow_mut().push(*val);
    });

    subject1.next(100);
    subject2.next(200);
    subject2.next(300);
    subject1.next(400);

    assert_eq!(*values.borrow(), vec![100, 200, 300, 400]);
}

// Join multiple observables
#[test]
fn test_join_multiple() {
    let tracker = DisposableTracker::new();
    let subject1 = RxSubject::new();
    let subject2 = RxSubject::new();
    let subject3 = RxSubject::new();

    let joined12 = subject1.join_subject(subject2.clone());
    let joined_all = joined12.join_subject(subject3.clone());

    let values = Rc::new(RefCell::new(Vec::new()));
    let values_clone = values.clone();

    joined_all.subscribe(tracker.tracker(), move |val| {
        values_clone.borrow_mut().push(*val);
    });

    subject1.next(1);
    subject2.next(2);
    subject3.next(3);
    subject1.next(4);

    assert_eq!(*values.borrow(), vec![1, 2, 3, 4]);
}