Added some tests (createOne and getAll)

test/utils/common.js

@@ -0,0 +1,88 @@
+import uuid from "uuid/v4";
+import models from "../../models";
+
+const _createCar = (brandId, active, year, done) => {
+  models.Cars.create({
+    name: uuid(),
+    year,
+    active,
+    brandId
+  })
+    .then(item => {
+      done(null, item);
+    })
+    .catch(done);
+};
+
+const _createBrand = done => {
+  models.Brands.create({
+    name: uuid()
+  })
+    .then(item => {
+      done(null, item);
+    })
+    .catch(done);
+};
+
+const _createBrands = (total, done) => {
+  const created = [];
+  const next = () => {
+    if (total === created.length) {
+      done(null, created);
+    }
+  };
+
+  for (let i = 0; i < total; i += 1) {
+    _createBrand((err, res) => {
+      if (!err) {
+        created.push(res);
+        next();
+      }
+    });
+  }
+};
+
+const _truncateCars = (tables, done) => {
+  if (tables.indexOf("Cars") === -1) {
+    done(null);
+    return true;
+  }
+
+  models.Cars.destroy({
+    where: {}
+  })
+    .then(() => done(null))
+    .catch(err => done(err));
+  return true;
+};
+
+const _truncateBrands = (tables, done) => {
+  if (tables.indexOf("Brands") === -1) {
+    done(null);
+    return true;
+  }
+
+  models.Brands.destroy({
+    where: {}
+  })
+    .then(() => done(null))
+    .catch(err => done(err));
+  return true;
+};
+
+const _truncate = (tables, done) => {
+  _truncateCars(tables, errCars => {
+    if (errCars) {
+      done(errCars);
+    } else {
+      _truncateBrands(tables, errBrands => {
+        done(errBrands);
+      });
+    }
+  });
+};
+
+export const createBrand = _createBrand;
+export const createBrands = _createBrands;
+export const createCar = _createCar;
+export const truncate = _truncate;