test for check

test/migrator_test.js

@@ -0,0 +1,32 @@
+var Code = require('code');
+var Lab = require('lab');
+var proxyquire = require('proxyquire').noPreserveCache();
+var lab = (exports.lab = Lab.script());
+
+lab.experiment('migrators', function () {
+  lab.experiment('check', function () {
+    lab.test('should return the migrations to be run', function (done) {
+      var completedMigration = {
+        name: '20180330020329-thisMigrationIsCompleted'
+      };
+      var uncompletedMigration = {
+        name: '20180330020330-thisMigrationIsNotCompleted'
+      };
+      var Migrator = proxyquire('../lib/migrator.js', {
+        './migration': {
+          loadFromFilesystem: (migrationsDir, internals, cb) => {
+            return cb(null, [completedMigration, uncompletedMigration]);
+          },
+          loadFromDatabase: (migrationsDir, driver, internals, cb) => {
+            return cb(null, [completedMigration]);
+          }
+        }
+      });
+      Migrator.prototype.check(null, function (err, res) {
+        Code.expect(res.length).to.equal(1);
+        Code.expect(res[0].name).to.equal(uncompletedMigration.name);
+        done(err, res);
+      });
+    });
+  });
+});