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
|
<!DOCTYPE HTML>
<html>
<!--
Test the PaymentsStore
-->
<head>
<meta charset="utf-8">
<title>Test the PaymentsStore</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<script src="/tests/SimpleTest/EventUtils.js"></script>
<script src="sinon-7.2.7.js"></script>
<script src="payments_common.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
</head>
<body>
<p id="display">
</p>
<div id="content" style="display: none">
</div>
<pre id="test">
</pre>
<script type="module">
/** Test the PaymentsStore **/
/* global sinon */
import PaymentsStore from "../../res/PaymentsStore.js";
function assert_throws(block, expectedError, message) {
let actual;
try {
block();
} catch (e) {
actual = e;
}
ok(actual, "Expecting exception: " + message);
ok(actual instanceof expectedError,
`Check error type is ${expectedError.prototype.name}: ${message}`);
}
add_task(async function test_defaultState() {
ok(!!PaymentsStore, "Check PaymentsStore import");
let ps = new PaymentsStore({
foo: "bar",
});
let state = ps.getState();
ok(!!state, "Check state is truthy");
is(state.foo, "bar", "Check .foo");
assert_throws(() => state.foo = "new", TypeError, "Assigning to existing prop. should throw");
assert_throws(() => state.other = "something", TypeError, "Adding a new prop. should throw");
assert_throws(() => delete state.foo, TypeError, "Deleting a prop. should throw");
});
add_task(async function test_setState() {
let ps = new PaymentsStore({});
ps.setState({
one: "one",
});
let state = ps.getState();
is(Object.keys(state).length, 1, "Should only have 1 prop. set");
is(state.one, "one", "Check .one");
ps.setState({
two: 2,
});
state = ps.getState();
is(Object.keys(state).length, 2, "Should have 2 props. set");
is(state.one, "one", "Check .one");
is(state.two, 2, "Check .two");
ps.setState({
one: "a",
two: "b",
});
state = ps.getState();
is(state.one, "a", "Check .one");
is(state.two, "b", "Check .two");
info("check consecutive setState for the same prop");
ps.setState({
one: "c",
});
ps.setState({
one: "d",
});
state = ps.getState();
is(Object.keys(state).length, 2, "Should have 2 props. set");
is(state.one, "d", "Check .one");
is(state.two, "b", "Check .two");
});
add_task(async function test_subscribe_unsubscribe() {
let ps = new PaymentsStore({});
let subscriber = {
stateChangePromise: null,
_stateChangeResolver: null,
reset() {
this.stateChangePromise = new Promise(resolve => {
this._stateChangeResolver = resolve;
});
},
stateChangeCallback(state) {
this._stateChangeResolver(state);
this.stateChangePromise = new Promise(resolve => {
this._stateChangeResolver = resolve;
});
},
};
sinon.spy(subscriber, "stateChangeCallback");
subscriber.reset();
ps.subscribe(subscriber);
info("subscribe the same listener twice to ensure it still doesn't call the callback");
ps.subscribe(subscriber);
ok(subscriber.stateChangeCallback.notCalled,
"Check not called synchronously when subscribing");
let changePromise = subscriber.stateChangePromise;
ps.setState({
a: 1,
});
ok(subscriber.stateChangeCallback.notCalled,
"Check not called synchronously for changes");
let state = await changePromise;
is(state, subscriber.stateChangeCallback.getCall(0).args[0],
"Check resolved state is last state");
is(JSON.stringify(state), `{"a":1}`, "Check callback state");
info("Testing consecutive setState");
subscriber.reset();
subscriber.stateChangeCallback.reset();
changePromise = subscriber.stateChangePromise;
ps.setState({
a: 2,
});
ps.setState({
a: 3,
});
ok(subscriber.stateChangeCallback.notCalled,
"Check not called synchronously for changes");
state = await changePromise;
is(state, subscriber.stateChangeCallback.getCall(0).args[0],
"Check resolved state is last state");
is(JSON.stringify(subscriber.stateChangeCallback.getCall(0).args[0]), `{"a":3}`,
"Check callback state matches second setState");
info("test unsubscribe");
subscriber.stateChangeCallback = function unexpectedChange() {
ok(false, "stateChangeCallback shouldn't be called after unsubscribing");
};
ps.unsubscribe(subscriber);
ps.setState({
a: 4,
});
await Promise.resolve("giving a chance for the callback to be called");
});
</script>
</body>
</html>
|
