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
|
/* Any copyright is dedicated to the Public Domain.
http://creativecommons.org/publicdomain/zero/1.0/ */
"use strict";
/**
* Test Front.watchFronts method.
*/
const protocol = require("resource://devtools/shared/protocol.js");
const { RetVal } = protocol;
const childSpec = protocol.generateActorSpec({
typeName: "childActor",
methods: {
release: {
release: true,
},
},
});
const ChildActor = protocol.ActorClassWithSpec(childSpec, {
initialize(conn, id) {
protocol.Actor.prototype.initialize.call(this, conn);
this.childID = id;
},
release() {},
form() {
return {
actor: this.actorID,
childID: this.childID,
foo: "bar",
};
},
});
const rootSpec = protocol.generateActorSpec({
typeName: "root",
methods: {
createChild: {
request: {},
response: { actor: RetVal("childActor") },
},
},
});
const RootActor = protocol.ActorClassWithSpec(rootSpec, {
typeName: "root",
initialize(conn) {
protocol.Actor.prototype.initialize.call(this, conn);
this.actorID = "root";
// Root actor owns itself.
this.manage(this);
this.sequence = 0;
},
sayHello() {
return {
from: "root",
applicationType: "xpcshell-tests",
traits: [],
};
},
createChild() {
return new ChildActor(this.conn, this.sequence++);
},
});
class ChildFront extends protocol.FrontClassWithSpec(childSpec) {
form(form) {
this.childID = form.childID;
this.foo = form.foo;
}
}
protocol.registerFront(ChildFront);
class RootFront extends protocol.FrontClassWithSpec(rootSpec) {
constructor(client) {
super(client);
this.actorID = "root";
// Root owns itself.
this.manage(this);
}
}
protocol.registerFront(RootFront);
add_task(async function run_test() {
DevToolsServer.createRootActor = RootActor;
DevToolsServer.init();
const trace = connectPipeTracing();
const client = new DevToolsClient(trace);
await client.connect();
const rootFront = client.mainRoot;
const fronts = [];
const listener = front => {
equal(
front.foo,
"bar",
"Front's form is set before watchFronts listeners are called"
);
fronts.push(front);
};
rootFront.watchFronts("childActor", listener);
const firstChild = await rootFront.createChild();
ok(
firstChild instanceof ChildFront,
"createChild returns a ChildFront instance"
);
equal(firstChild.childID, 0, "First child has ID=0");
equal(
fronts.length,
1,
"watchFronts fires the callback, even if the front is created in the future"
);
equal(
fronts[0],
firstChild,
"watchFronts fires the callback with the right front instance"
);
const watchFrontsAfter = await new Promise(resolve => {
rootFront.watchFronts("childActor", resolve);
});
equal(
watchFrontsAfter,
firstChild,
"watchFronts fires the callback, even if the front is already created, " +
" with the same front instance"
);
equal(
fronts.length,
1,
"There is still only one front reported from the first listener"
);
const secondChild = await rootFront.createChild();
equal(
fronts.length,
2,
"After a second call to createChild, two fronts are reported"
);
equal(fronts[1], secondChild, "And the new front is the right instance");
// Test unregistering a front listener
rootFront.unwatchFronts("childActor", listener);
const thirdChild = await rootFront.createChild();
equal(
fronts.length,
2,
"After calling unwatchFronts, the listener is no longer called"
);
// Test front destruction
const destroyed = [];
rootFront.watchFronts("childActor", null, front => {
destroyed.push(front);
});
await thirdChild.release();
equal(
destroyed.length,
1,
"After the destruction of the front, one destruction is reported"
);
equal(destroyed[0], thirdChild, "And the destroyed front is the right one");
trace.close();
await client.close();
});
|
