ScuttleBot

scuttlebot / tests / e2e / node_modules / playwright / lib / runner / processHost.js
Blame History Raw 181 lines
1
"use strict";
2
var __create = Object.create;
3
var __defProp = Object.defineProperty;
4
var __getOwnPropDesc = Object.getOwnPropertyDescriptor;
5
var __getOwnPropNames = Object.getOwnPropertyNames;
6
var __getProtoOf = Object.getPrototypeOf;
7
var __hasOwnProp = Object.prototype.hasOwnProperty;
8
var __export = (target, all) => {
9
for (var name in all)
10
__defProp(target, name, { get: all[name], enumerable: true });
11
};
12
var __copyProps = (to, from, except, desc) => {
13
if (from && typeof from === "object" || typeof from === "function") {
14
for (let key of __getOwnPropNames(from))
15
if (!__hasOwnProp.call(to, key) && key !== except)
16
__defProp(to, key, { get: () => from[key], enumerable: !(desc = __getOwnPropDesc(from, key)) || desc.enumerable });
17
}
18
return to;
19
};
20
var __toESM = (mod, isNodeMode, target) => (target = mod != null ? __create(__getProtoOf(mod)) : {}, __copyProps(
21
// If the importer is in node compatibility mode or this is not an ESM
22
// file that has been converted to a CommonJS file using a Babel-
23
// compatible transform (i.e. "__esModule" has not been set), then set
24
// "default" to the CommonJS "module.exports" for node compatibility.
25
isNodeMode || !mod || !mod.__esModule ? __defProp(target, "default", { value: mod, enumerable: true }) : target,
26
mod
27
));
28
var __toCommonJS = (mod) => __copyProps(__defProp({}, "__esModule", { value: true }), mod);
29
var processHost_exports = {};
30
__export(processHost_exports, {
31
ProcessHost: () => ProcessHost
32
});
33
module.exports = __toCommonJS(processHost_exports);
34
var import_child_process = __toESM(require("child_process"));
35
var import_events = require("events");
36
var import_utils = require("playwright-core/lib/utils");
37
var import_utilsBundle = require("playwright-core/lib/utilsBundle");
38
class ProcessHost extends import_events.EventEmitter {
39
constructor(runnerScript, processName, env) {
40
super();
41
this._didSendStop = false;
42
this._processDidExit = false;
43
this._didExitAndRanOnExit = false;
44
this._lastMessageId = 0;
45
this._callbacks = /* @__PURE__ */ new Map();
46
this._producedEnv = {};
47
this._requestHandlers = /* @__PURE__ */ new Map();
48
this._runnerScript = runnerScript;
49
this._processName = processName;
50
this._extraEnv = env;
51
}
52
async startRunner(runnerParams, options = {}) {
53
(0, import_utils.assert)(!this.process, "Internal error: starting the same process twice");
54
this.process = import_child_process.default.fork(require.resolve("../common/process"), {
55
// Note: we pass detached:false, so that workers are in the same process group.
56
// This way Ctrl+C or a kill command can shutdown all workers in case they misbehave.
57
// Otherwise user can end up with a bunch of workers stuck in a busy loop without self-destructing.
58
detached: false,
59
env: {
60
...process.env,
61
...this._extraEnv
62
},
63
stdio: [
64
"ignore",
65
options.onStdOut ? "pipe" : "inherit",
66
options.onStdErr && !process.env.PW_RUNNER_DEBUG ? "pipe" : "inherit",
67
"ipc"
68
]
69
});
70
this.process.on("exit", async (code, signal) => {
71
this._processDidExit = true;
72
await this.onExit();
73
this._didExitAndRanOnExit = true;
74
this.emit("exit", { unexpectedly: !this._didSendStop, code, signal });
75
});
76
this.process.on("error", (e) => {
77
});
78
this.process.on("message", (message) => {
79
if (import_utilsBundle.debug.enabled("pw:test:protocol"))
80
(0, import_utilsBundle.debug)("pw:test:protocol")("\u25C0 RECV " + JSON.stringify(message));
81
if (message.method === "__env_produced__") {
82
const producedEnv = message.params;
83
this._producedEnv = Object.fromEntries(producedEnv.map((e) => [e[0], e[1] ?? void 0]));
84
} else if (message.method === "__dispatch__") {
85
const { id, error: error2, method, params, result } = message.params;
86
if (id && this._callbacks.has(id)) {
87
const { resolve, reject } = this._callbacks.get(id);
88
this._callbacks.delete(id);
89
if (error2) {
90
const errorObject = new Error(error2.message);
91
errorObject.stack = error2.stack;
92
reject(errorObject);
93
} else {
94
resolve(result);
95
}
96
} else {
97
this.emit(method, params);
98
}
99
} else if (message.method === "__request__") {
100
const { id, method, params } = message.params;
101
const handler = this._requestHandlers.get(method);
102
if (!handler) {
103
this.send({ method: "__response__", params: { id, error: { message: "Unknown method" } } });
104
} else {
105
handler(params).then((result) => {
106
this.send({ method: "__response__", params: { id, result } });
107
}).catch((error2) => {
108
this.send({ method: "__response__", params: { id, error: { message: error2.message } } });
109
});
110
}
111
} else {
112
this.emit(message.method, message.params);
113
}
114
});
115
if (options.onStdOut)
116
this.process.stdout?.on("data", options.onStdOut);
117
if (options.onStdErr)
118
this.process.stderr?.on("data", options.onStdErr);
119
const error = await new Promise((resolve) => {
120
this.process.once("exit", (code, signal) => resolve({ unexpectedly: true, code, signal }));
121
this.once("ready", () => resolve(void 0));
122
});
123
if (error)
124
return error;
125
const processParams = {
126
processName: this._processName,
127
timeOrigin: (0, import_utils.timeOrigin)()
128
};
129
this.send({
130
method: "__init__",
131
params: {
132
processParams,
133
runnerScript: this._runnerScript,
134
runnerParams
135
}
136
});
137
}
138
sendMessage(message) {
139
const id = ++this._lastMessageId;
140
this.send({
141
method: "__dispatch__",
142
params: { id, ...message }
143
});
144
return new Promise((resolve, reject) => {
145
this._callbacks.set(id, { resolve, reject });
146
});
147
}
148
sendMessageNoReply(message) {
149
this.sendMessage(message).catch(() => {
150
});
151
}
152
async onExit() {
153
}
154
onRequest(method, handler) {
155
this._requestHandlers.set(method, handler);
156
}
157
async stop() {
158
if (!this._processDidExit && !this._didSendStop) {
159
this.send({ method: "__stop__" });
160
this._didSendStop = true;
161
}
162
if (!this._didExitAndRanOnExit)
163
await new Promise((f) => this.once("exit", f));
164
}
165
didSendStop() {
166
return this._didSendStop;
167
}
168
producedEnv() {
169
return this._producedEnv;
170
}
171
send(message) {
172
if (import_utilsBundle.debug.enabled("pw:test:protocol"))
173
(0, import_utilsBundle.debug)("pw:test:protocol")("SEND \u25BA " + JSON.stringify(message));
174
this.process?.send(message);
175
}
176
}
177
// Annotate the CommonJS export names for ESM import in node:
178
0 && (module.exports = {
179
ProcessHost
180
});
181

Keyboard Shortcuts

Open search /
Next entry (timeline) j
Previous entry (timeline) k
Open focused entry Enter
Show this help ?
Toggle theme Top nav button