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'use strict';
let tap = require('tap');
let Cologne = require('../lib/cologne');
let dummyLogger = {
values : null,
log : function () {
let logObject;
this.values = [];
for (logObject of arguments) {
this.values.push(logObject);
}
}
};
// Prepare the test
let dummyLoggerA, dummyLoggerB, dummyLoggerC,
co, params, builtLog, meta,
valueCheck, levelCheck;
tap.plan(18);
dummyLoggerA = Object.assign({}, dummyLogger);
dummyLoggerB = Object.assign({}, dummyLogger);
dummyLoggerC = Object.assign({}, dummyLogger);
co = new Cologne({
loggers : [
dummyLoggerA,
dummyLoggerB
]
});
meta = {
rainbows: true
};
params = ['example1', null, undefined, 1, {example: true}];
/**
* TEST: #log()
*/
co.log.apply(co, params);
// Calculate values
valueCheck = dummyLoggerA.values.reduce(function (previous, current) {
if (typeof current._cologneLog === 'string') {
previous++;
}
return previous;
}, 0);
levelCheck = dummyLoggerA.values.reduce(function (previous, current) {
if (current._level === 6) {
previous++;
}
return previous;
}, 0);
// Now check the values
tap.equal(dummyLoggerA.values.length, params.length,
'#log() should send every argument to the loggers');
tap.similar(dummyLoggerA.values, dummyLoggerB.values,
'#log() should send the same arguments to all the loggers');
tap.equal(valueCheck, params.length,
'#log() should send all objects in cologne log format');
tap.equal(levelCheck, params.length,
'#log() should default to level 6');
/**
* TEST: #debug()
*/
co.debug.apply(co, params);
levelCheck = dummyLoggerA.values.reduce(function (previous, current) {
if (current._level === 7) {
previous++;
}
return previous;
}, 0);
tap.equal(levelCheck, params.length,
'#debug() should set to level 7');
/**
* TEST: #info()
*/
co.info.apply(co, params);
levelCheck = dummyLoggerA.values.reduce(function (previous, current) {
if (current._level === 6) {
previous++;
}
return previous;
}, 0);
tap.equal(levelCheck, params.length,
'#info() should set to level 6');
/**
* TEST: #notice()
*/
co.notice.apply(co, params);
levelCheck = dummyLoggerA.values.reduce(function (previous, current) {
if (current._level === 5) {
previous++;
}
return previous;
}, 0);
tap.equal(levelCheck, params.length,
'#notice() should set to level 5');
/**
* TEST: #warn()
*/
co.warn.apply(co, params);
levelCheck = dummyLoggerA.values.reduce(function (previous, current) {
if (current._level === 4) {
previous++;
}
return previous;
}, 0);
tap.equal(levelCheck, params.length,
'#warn() should set to level 4');
/**
* TEST: #error()
*/
co.error.apply(co, params);
levelCheck = dummyLoggerA.values.reduce(function (previous, current) {
if (current._level === 3) {
previous++;
}
return previous;
}, 0);
tap.equal(levelCheck, params.length,
'#error() should set to level 3');
/**
* TEST: #buildLog()
*/
builtLog = co.buildLog('example');
// With the default level
tap.equal(typeof builtLog._cologneLog, 'string',
'#buildLog() should return a cologne log');
tap.equal(builtLog._level, 6,
'#buildLog() should default to level 6');
// Now with a specific value
builtLog = co.buildLog('example', 1);
tap.equal(builtLog._level, 1,
'#buildLog() should use the specified level');
// Now with meta
builtLog = co.buildLog('example', 1, meta);
tap.equal(builtLog.rainbows, true,
'#buildLog() should extend the object with meta if available');
/**
* TEST: #log() with builtLog.
*/
co.log(builtLog);
levelCheck = dummyLoggerA.values.reduce(function (previous, current) {
if (current._level === 1) {
previous++;
}
return previous;
}, 0);
tap.equal(levelCheck, 1,
'#log() calls using a pre-built cologne log should maintain the log level');
/**
* TEST: #removeLogger()
*/
co.removeLogger(dummyLoggerC);
tap.equal(co.loggers.length, 2,
'#removeLogger() should do nothing if it can\'t find a logger');
co.log.apply(co, params);
co.removeLogger(dummyLoggerB);
co.log(1);
tap.equal(co.loggers.length, 1,
'#removeLogger() should remove a logger');
tap.notEqual(dummyLoggerB.values.length, dummyLoggerA.values.length,
'#removeLogger() should no longer affect removed logs');
/**
* TEST: #addLogger()
*/
co.addLogger(dummyLoggerC);
co.log.apply(co, params);
tap.equal(dummyLoggerC.values.length, params.length,
'#addLogger() should add loggers after instance is live');
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