add getByType and test

api/core/devicetype/deviceType.getByType.js

@@ -0,0 +1,18 @@
+var queries = require('./deviceType.queries.js');
+var Promise = require('bluebird');
+
+module.exports = function(type){
+
+    // get all deviceTypes for a given tag
+    return gladys.utils.sql(queries.getByType, [type])
+      .then(function(deviceTypes){
+         // if there is some deviceTypes for this tag
+         if(deviceTypes.length){
+             // return deviceTypes
+             return deviceTypes; 
+         } else {
+             return null;
+         }
+
+      });
+}

api/core/devicetype/index.js

@@ -6,4 +6,6 @@ module.exports.exec = require('./deviceType.exec.js');
 module.exports.save = require('./deviceType.save.js');
 module.exports.getAll = require('./deviceType.getAll.js');
 module.exports.getByRoom = require('./deviceType.getByRoom.js');
-module.exports.getByDevice = require('./deviceType.getByDevice.js');
+module.exports.getByDevice = require('./deviceType.getByDevice.js');
+module.exports.getByType = require('./deviceType.getByType.js');
+module.exports.getById = require('./deviceType.getById.js');

test/unit/api/core/devicetype/deviceType.getByType.test.js

@@ -0,0 +1,23 @@
+var should = require('should');
+var validateDeviceType = require('../../validator/deviceTypeValidator.js');
+
+describe('DeviceType', function() {
+
+  describe('getByType', function() {
+
+    it('should return a deviceType', function (done) {
+
+        var type = 'binary';
+
+        gladys.deviceType.getByType(type).then(function(type){
+           validateDeviceType(type);
+           done();
+        }).catch(function(err){
+            done(err);
+        });
+
+    });
+
+  });
+
+});

test/unit/api/validator/deviceTypeValidator.js

@@ -0,0 +1,22 @@
+module.exports = validate;
+
+var should = require('should');
+
+function validate(devicetype) {
+	if(devicetype instanceof Array) {
+		devicetype.forEach(validateDeviceType);
+	} else {
+		validateDeviceType(devicetype);
+	}
+}
+
+function validateDeviceType(devicetype) {
+	device.should.be.instanceOf(Object);
+	device.should.have.property('id');
+	device.should.have.property('type');
+	device.should.have.property('tag');
+        device.should.have.property('sensor');
+        device.should.have.property('device');
+        device.should.have.property('min');
+        device.should.have.property('max');
+}