mongodb crud examples added

lseongjoo · lseongjoo · commit eb08a6950441 · 2017-03-19T22:06:11.000+09:00
diff --git a/database/mongodb/connect.js b/database/mongodb/connect.js
@@ -0,0 +1,12 @@
+/*jshint node: true*/
+'use strict';
+
+var assert = require('assert');
+var MongoClient = require('mongodb').MongoClient;
+
+MongoClient.connect('mongodb://localhost:27017/test', function(err, db){
+  if(err) throw err;
+  console.log('MongoDB에 연결됨');
+
+  db.close();
+});
diff --git a/database/mongodb/insert.js b/database/mongodb/insert.js
@@ -0,0 +1,44 @@
+/*jshint node: true*/
+'use strict';
+var assert = require('assert');
+var MongoClient = require('mongodb').MongoClient;
+
+// insert
+var person = {name: '이성주', email: 'seongjoo@codebasic.io'};
+
+MongoClient.connect('mongodb://localhost:27017/test', function(err, db){
+  if(err) throw err;
+
+  var collection = db.collection('people');
+
+  collection.insert(person, function(err, result){
+    if(err) throw err;
+
+    console.log(result);
+
+    assert.equal(1, result.result.n);
+    assert.equal(1, result.ops.length);
+
+    db.close();
+  });
+});
+
+// insert many
+MongoClient.connect('mongodb://localhost:27017/test', function(err, db){
+  if(err) throw err;
+
+  var collection = db.collection('demo');
+
+  collection.insertMany([
+    {a: 1}, {a: 2}, {a: 3}
+  ], function(err, result){
+    if(err) throw err;
+
+    console.log(result);
+
+    assert.equal(3, result.result.n);
+    assert.equal(3, result.ops.length);
+
+    db.close();
+  });
+});
diff --git a/database/mongodb/test-mongodb.js b/database/mongodb/test-mongodb.js
@@ -0,0 +1,86 @@
+const assert = require('assert');
+
+describe('MongoDB', function(){
+  const MongoClient = require('mongodb').MongoClient;
+  const url = 'mongodb://localhost:27017';
+  var db;
+
+  after(function(){
+    db.close();
+    db = null;
+  });
+
+  it('connect', function(done){
+    MongoClient.connect(url, function(err, mongodb){
+      assert.ifError(err);
+      db = mongodb;
+      done();
+    });
+  });
+
+  describe('CRUD', function(){
+    var collection;
+    before(function(done){
+        MongoClient.connect(url, function(err, mongodb){
+          db = mongodb;
+          collection = db.collection('documents');
+          done();
+        });
+    });
+
+    describe('INSERT', function(){
+      it('Single Document', function(done){
+        var doc = {이름:'이성주', 이메일: 'seongjoo@codebasic.io'};
+        collection.insert(doc, function(err, result){
+          assert.ifError(err);
+          assert.equal(1, result.result.n);
+          done();
+        });
+      });
+      it('Bulk', function(done){
+        var docs = [{n: 1}, {n:2}, {n:3}];
+        collection.insertMany(docs, function(err, result){
+          assert.ifError(err);
+          assert.equal(3, result.result.n);
+          assert.equal(3, result.ops.length);
+          done();
+        });
+      });
+    });
+
+    describe('FIND', function(){
+      it('Query Filter', function(done){
+        collection.find({이름: '이성주'}, function(err, docs){
+          assert.ifError(err);
+          docs.forEach(function(d){
+            assert.equal('이성주', d.이름);
+          });
+          done();
+        });
+      });
+    });
+
+    describe('UPDATE', function(){
+      it('One', function(done){
+        collection.updateOne(
+          {이름: '이성주'},
+          {$set: {이메일: 'seongjoo@codebasic.co'}},
+          function(err, result){
+            assert.ifError(err);
+            assert.equal(1, result.result.n);
+            done();
+        });
+      });
+    });
+
+    describe('REMOVE', function(){
+      it('ONE', function(done){
+        collection.deleteOne({이름: '이성주'}, function(err, result){
+          assert.ifError(err);
+          assert.equal(1, result.result.n);
+          done();
+        });
+      });
+    });
+  });
+});
diff --git a/database/mongodb/update.js b/database/mongodb/update.js
@@ -0,0 +1,20 @@
+/*jshint node: true*/
+'use strict';
+
+var assert = require('assert');
+var MongoClient = require('mongodb').MongoClient;
+
+MongoClient.connect('mongodb://localhost:27017/test', function(err, db){
+  if(err) throw err;
+
+  var collection = db.collection('demo');
+
+  collection.updateOne({a: 2}, {$set: {b: 1}}, function(err, result){
+    if(err) throw err;
+
+    assert.equal(1, result.result.n);
+    console.log(result);
+
+    db.close();
+  });
+});
