[WIP] Add Tests

bufflog.test.ts

@@ -0,0 +1,11 @@
+import {BuffLog}from './bufflog';
+
+it('Testing jest', () => {
+    expect(1).toBe(1)
+});
+
+
+it('Test Bufflog', () => {
+    var logger = new BuffLog();
+    logger.info("test");
+});

bufflog.ts

@@ -4,8 +4,12 @@ import formats from "dd-trace/ext/formats";
 export class BuffLog {
     pinoLogger: any;
     defaultLevel = 'notice';
+    dest: any;
 
     constructor() {
+        this.dest = require('pino').destination('/tmp/test.log')
+        this.dest[Symbol.for('pino.metadata')] = true
+
         this.pinoLogger = require('pino')({
             level: this.defaultLevel,
 
@@ -16,6 +20,10 @@ export class BuffLog {
             // soon: remove the `v` field https://github.com/pinojs/pino/issues/620
             base: {},
 
+            // notice doesn't exist in pino, let's add it
+            customLevels: {
+                notice: 35
+              },
             mixin () {
                 // Check here if a current trace exist to inject it in the log
                 // `tracer` is a singleton, will no-op if no tracer was initialized
@@ -27,14 +35,9 @@ export class BuffLog {
                 } else {
                     return {}
                 }
-            },
-
-            // notice doesn't exist in pino, let's add it
-            customLevels: {
-                notice: 35
-              }
-        });
-    }
+            }
+        }, this.dest)
+    };
 
     debug(message: string) {
         this.pinoLogger.debug(message);
@@ -46,6 +49,11 @@ export class BuffLog {
 
     notice(message: string) {
         this.pinoLogger.notice(message);
+        const { lastMsg, lastLevel, lastObj, lastTime} = this.dest
+        console.log(
+            'Logged message "%s" at level %d with object %o at time %s',
+            lastMsg, lastLevel, lastObj, lastTime
+          );
     }
 
     warning(message: string) {
@@ -60,5 +68,6 @@ export class BuffLog {
     critical(message: string) {
         this.pinoLogger.fatal(message);
     }
+
 
 }

index.ts

@@ -7,11 +7,10 @@ tracer.init({
     logInjection: false
 });
 
-let logger = new BuffLog();
+var logger = new BuffLog();
 
-logger.info('hello info');
-logger.debug('hello debug');
-logger.notice('hello notice');
+ logger.debug('hello info');
+ logger.notice('hello notice');
 logger.warning('hello warning');
 logger.error('hello error');
 logger.critical('hello critical');
@@ -31,4 +30,4 @@ app.get('/', (req, res) =>  {
     logger.warning('hello warning');
     logger.error('hello error');
     logger.critical('hello critical');
-});
+});

jest.config.js

@@ -0,0 +1,7 @@
+// For a detailed explanation regarding each configuration property, visit:
+// https://jestjs.io/docs/en/configuration.html
+
+module.exports = {
+  preset: 'ts-jest',
+  testEnvironment: "node",
+};