/
tcp-appender-test.js
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tcp-appender-test.js
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const { test } = require("tap");
const net = require("net");
const log4js = require("../../lib/log4js");
const LoggingEvent = require("../../lib/LoggingEvent");
let messages = [];
let server = null;
function makeServer(config) {
server = net.createServer(socket => {
socket.setEncoding("utf8");
socket.on("data", data => {
data
.split(config.endMsg)
.filter(s => s.length)
.forEach(s => {
messages.push(config.deserialise(s));
});
});
});
server.unref();
return server;
}
test("TCP Appender", batch => {
batch.test("Default Configuration", t => {
messages = [];
const serverConfig = {
endMsg: "__LOG4JS__",
deserialise: (log) => LoggingEvent.deserialise(log)
}
server = makeServer(serverConfig);
server.listen(() => {
const { port } = server.address();
log4js.configure({
appenders: {
default: { type: "tcp", port },
},
categories: {
default: { appenders: ["default"], level: "debug" },
}
});
const logger = log4js.getLogger();
logger.info("This should be sent via TCP.");
logger.info("This should also be sent via TCP and not break things.");
log4js.shutdown(() => {
server.close(() => {
t.equal(messages.length, 2);
t.match(messages[0], {
data: ["This should be sent via TCP."],
categoryName: "default",
context: {},
level: { levelStr: "INFO" }
});
t.match(messages[1], {
data: ["This should also be sent via TCP and not break things."],
categoryName: "default",
context: {},
level: { levelStr: "INFO" }
});
t.end();
});
});
});
});
batch.test("Custom EndMessage String", t => {
messages = [];
const serverConfig = {
endMsg: "\n",
deserialise: (log) => LoggingEvent.deserialise(log)
}
server = makeServer(serverConfig);
server.listen(() => {
const { port } = server.address();
log4js.configure({
appenders: {
customEndMsg: { type: "tcp", port, endMsg: "\n" },
},
categories: {
default: { appenders: ["customEndMsg"], level: "debug" },
}
});
const logger = log4js.getLogger();
logger.info("This should be sent via TCP using a custom EndMsg string.");
logger.info("This should also be sent via TCP using a custom EndMsg string and not break things.");
log4js.shutdown(() => {
server.close(() => {
t.equal(messages.length, 2);
t.match(messages[0], {
data: ["This should be sent via TCP using a custom EndMsg string."],
categoryName: "default",
context: {},
level: { levelStr: "INFO" }
});
t.match(messages[1], {
data: ["This should also be sent via TCP using a custom EndMsg string and not break things."],
categoryName: "default",
context: {},
level: { levelStr: "INFO" }
});
t.end();
});
});
});
});
batch.test("Custom Layout", t => {
messages = [];
const serverConfig = {
endMsg: "__LOG4JS__",
deserialise: (log) => JSON.parse(log)
}
server = makeServer(serverConfig);
log4js.addLayout('json', () => function (logEvent) {
return JSON.stringify({
"time": logEvent.startTime,
"message": logEvent.data[0],
"level": logEvent.level.toString()
});
});
server.listen(() => {
const { port } = server.address();
log4js.configure({
appenders: {
customLayout: {
type: "tcp", port,
layout: { type: 'json' }
},
},
categories: {
default: { appenders: ["customLayout"], level: "debug" },
}
});
const logger = log4js.getLogger();
logger.info("This should be sent as a customized json.");
logger.info("This should also be sent via TCP as a customized json and not break things.");
log4js.shutdown(() => {
server.close(() => {
t.equal(messages.length, 2);
t.match(messages[0], {
message: "This should be sent as a customized json.",
level: "INFO"
});
t.match(messages[1], {
message: "This should also be sent via TCP as a customized json and not break things.",
level: "INFO"
});
t.end();
});
});
});
});
batch.end();
});