feat: replace console.log with debug

closes #105

environment.js

@@ -3,13 +3,15 @@ const path = require('path');
 const fs = require('fs');
 const globalConfigPath = path.join(__dirname, 'globalConfig.json');
 
+const debug = require('debug')('jest-mongodb:environment');
+
 module.exports = class MongoEnvironment extends NodeEnvironment {
   constructor(config) {
     super(config);
   }
 
   async setup() {
-    console.log('Setup MongoDB Test Environment');
+    debug('Setup MongoDB Test Environment');
 
     const globalConfig = JSON.parse(fs.readFileSync(globalConfigPath, 'utf-8'));
 
@@ -20,7 +22,7 @@ module.exports = class MongoEnvironment extends NodeEnvironment {
   }
 
   async teardown() {
-    console.log('Teardown MongoDB Test Environment');
+    debug('Teardown MongoDB Test Environment');
 
     await super.teardown();
   }

package.json

@@ -25,6 +25,7 @@
   ],
   "dependencies": {
     "cwd": "0.10.0",
+    "debug": "4.1.1",
     "mongodb": "3.2.3",
     "mongodb-memory-server": "5.1.0"
   },

readme.md

@@ -73,6 +73,8 @@ it('should insert a doc into collection', async () => {
 
 Cache MongoDB binary in CI by putting this folder to the list of cached paths: `./node_modules/.cache/mongodb-memory-server/mongodb-binaries`
 
+You can enable debug logs by setting environment variable `DEBUG=jest-mongodb:*`
+
 ## See Also
 
 - [jest-dynamodb](https://github.com/shelfio/jest-dynamodb)

setup.js

@@ -4,6 +4,7 @@ const cwd = require('cwd');
 const MongodbMemoryServer = require('mongodb-memory-server');
 const globalConfigPath = join(__dirname, 'globalConfig.json');
 
+const debug = require('debug')('jest-mongodb:setup');
 const mongod = new MongodbMemoryServer.default(getMongodbMemoryOptions());
 
 module.exports = async () => {
@@ -18,7 +19,7 @@ module.exports = async () => {
 
   // Write global config to disk because all tests run in different contexts.
   fs.writeFileSync(globalConfigPath, JSON.stringify(mongoConfig));
-  console.log('Config is written');
+  debug('Config is written');
 
   // Set reference to mongod in order to close the server during teardown.
   global.__MONGOD__ = mongod;

teardown.js

@@ -1,4 +1,6 @@
+const debug = require('debug')('jest-mongodb:teardown');
+
 module.exports = async function() {
-  console.log('Teardown mongod');
+  debug('Teardown mongod');
   await global.__MONGOD__.stop();
 };