✨ ✅ Add encrypted data tests

Signed-off-by: SAMI BETTAYEB <sami3639@gmail.com>

test/postgresql.encrypted.test.js

@@ -0,0 +1,79 @@
+// Copyright IBM Corp. 2014,2019. All Rights Reserved.
+// Node module: loopback-connector-postgresql
+// This file is licensed under the Artistic License 2.0.
+// License text available at https://opensource.org/licenses/Artistic-2.0
+
+'use strict';
+process.env.NODE_ENV = 'test';
+require('should');
+const expect = require('chai').expect;
+const async = require('async');
+const chai = require('chai');
+const chaiSubset = require('chai-subset');
+chai.use(chaiSubset);
+
+let db;
+
+before(function() {
+  db = global.getSchema();
+});
+
+describe('Mapping models', function() {
+  it('should return encrypted data by filter', function(done) {
+    const schema =
+      {
+        'name': 'EncryptedData',
+        'options': {
+          'idInjection': false,
+          'postgresql': {
+            'schema': 'public', 'table': 'encrypted_data',
+          },
+        },
+        'properties': {
+          'id': {
+            'type': 'String',
+            'id': true,
+          },
+          'data': {
+            'type': 'String',
+          },
+        },
+        'mixins': {
+          'Encryption': {
+            'fields': [
+              'data',
+            ],
+          },
+        },
+      };
+
+    const EncryptedData = db.createModel(schema.name, schema.properties, schema.options);
+    EncryptedData.settings.mixins = schema.mixins;
+
+    db.automigrate('EncryptedData', function(err) {
+      if (err) console.error({err});
+      EncryptedData.create({
+        id: '2',
+        data: '1c93722e6cf53f93dd4eb15a18444dc3e910fded18239db612794059af1fa5e8',
+      }, function(err, encryptedData) {
+        if (err) console.log({err2: err});
+        async.series([
+          function(callback) {
+            EncryptedData.findOne({where: {data: {ilike: '%test%'}}}, function(err, retreivedData) {
+              if (err) console.error({err111: err});
+              expect(retreivedData).to.containSubset(encryptedData);
+              callback(null, retreivedData);
+            });
+          },
+          function(callback) {
+            EncryptedData.find({where: {data: {ilike: '%not found%'}}}, function(err, retreivedData) {
+              if (err) console.error({err111: err});
+              expect(retreivedData.length).to.equal(0);
+              callback(null, retreivedData);
+            });
+          },
+        ], done);
+      });
+    });
+  });
+});