test: add tests on operators

Author: Vincent Molinié

test/utils/operators.test.js

@@ -0,0 +1,24 @@
+const sequelize = require('sequelize');
+const Operators = require('../../src/utils/operators');
+
+describe('utils > operators', () => {
+  describe('with an old sequelize', () => {
+    it('should return a valid operator', () => {
+      expect.assertions(2);
+
+      const Op = new Operators();
+      expect(Op.AND).toStrictEqual('$and');
+      expect(Op.CONTAINS).toStrictEqual('$contains');
+    });
+  });
+
+  describe('with an up to date sequelize', () => {
+    it('should return a valid operator', () => {
+      expect.assertions(2);
+
+      const Op = new Operators({ sequelize });
+      expect(Op.AND).toStrictEqual(sequelize.Op.AND);
+      expect(Op.CONTAINS).toStrictEqual(sequelize.Op.CONTAINS);
+    });
+  });
+});