Added some new tests

.gitlab-ci.yml

@@ -21,6 +21,7 @@ testing:
   script:
     - yarn install
     - ./node_modules/.bin/sequelize db:migrate
+    - ./node_modules/.bin/sequelize db:seed:all
     - yarn test --ci --collectCoverage=true --coverage
   coverage: /All files[^|]*\|[^|]*\s+([\d\.]+)/
   artifacts:

libs/Middleware.js

@@ -22,20 +22,20 @@ class Middleware extends QueryBuilder {
    */
   createOne(req, callback) {
     // On test les droits
-    if (!this._haveRight(req)) {
+    if (!this.haveRight(req)) {
       callback(new ErrorBuilder(401.1, "You're not allowed"));
       return false;
     }
 
     // On teste le body
-    this._checkCreateOneValues(req, (err, value) => {
+    this.checkCreateOneValues(req, (err, value) => {
       // Il manque un paramètre dans le body
       if (err) {
         callback(err, value);
         return false;
       }
 
-      this._insertItem(req, value, callback);
+      this.insertItem(req, value, callback);
       return true;
     });
     return true;
@@ -50,7 +50,7 @@ class Middleware extends QueryBuilder {
     // On spécifie le type de requête (list ou item)
     req.getType = "list";
 
-    this._createQuery(req, (err, query, limit) => {
+    this.createQuery(req, (err, query, limit) => {
       if (err) {
         callback(err, query);
         return false;
@@ -82,8 +82,8 @@ class Middleware extends QueryBuilder {
           const values = rows.slice(limit.start, limit.start + limit.limit);
 
           callback(null, {
-            data: this._formatItems(req, values),
-            ...QueryBuilder._createPagination(
+            data: this.formatItems(req, values),
+            ...QueryBuilder.createPagination(
               req,
               total,
               limit.limit,
@@ -108,7 +108,7 @@ class Middleware extends QueryBuilder {
     // On spécifie le type de requête (list ou item)
     req.getType = "item";
 
-    this._createQuery(req, (err, query) => {
+    this.createQuery(req, (err, query) => {
       if (err) {
         callback(err, query);
         return false;
@@ -122,13 +122,16 @@ class Middleware extends QueryBuilder {
             return false;
           }
           let formatedItem = item;
+          if (req.method === "GET") {
             if (this.params.format) {
               const formatRules = this.params.format[req.user.role];
 
               if (formatRules) {
-              formatedItem = this._formatItem(item, formatRules);
+                formatedItem = this.formatItem(item, formatRules);
               }
             }
+          }
+
           callback(null, formatedItem);
           return true;
         })
@@ -145,7 +148,7 @@ class Middleware extends QueryBuilder {
    */
   patchOne(req, callback) {
     // On test les droits
-    if (!this._haveRight(req)) {
+    if (!this.haveRight(req)) {
       callback(new ErrorBuilder(401.1, "You're not allowed"));
       return false;
     }
@@ -170,7 +173,45 @@ class Middleware extends QueryBuilder {
       item
         .update(value)
         .then(updated => {
+          if (this.params.belongsToMany) {
+            const needCreate = [];
+            let created = 0;
+            const _next = errNext => {
+              if (errNext) {
+                // TODO: break and revert
+              } else {
+                created += 1;
+
+                if (created === needCreate.length) {
                   callback(null, updated);
+                }
+              }
+            };
+            Object.keys(this.params.belongsToMany).map(key => {
+              if (value[key]) {
+                needCreate.push(key);
+              }
+              return true;
+            });
+
+            if (needCreate.length > 0) {
+              for (let i = 0; i < needCreate.length; i += 1) {
+                const currentKey = needCreate[i];
+                const currentValue = value[currentKey];
+                this.createBelonsTo(
+                  updated,
+                  currentKey,
+                  currentValue,
+                  "add",
+                  _next
+                );
+              }
+            } else {
+              callback(null, updated);
+            }
+          } else {
+            callback(null, updated);
+          }
         })
         .catch(callback);
       return true;
@@ -186,7 +227,7 @@ class Middleware extends QueryBuilder {
    */
   deleteOne(req, callback) {
     // On test les droits
-    if (!this._haveRight(req)) {
+    if (!this.haveRight(req)) {
       callback(new ErrorBuilder(401.1, "You're not allowed"));
       return false;
     }
@@ -194,17 +235,54 @@ class Middleware extends QueryBuilder {
     this.getOne(req, (err, item) => {
       if (err) {
         callback(err, item);
-        return false;
-      }
+      } else {
+        let deletedBelongs = 0;
+        const needToDeleteBelongs = [];
 
+        const _deleteItem = () => {
           item
             .destroy()
             .then(() => {
               callback(null, {});
             })
             .catch(callback);
+        };
+
+        const _next = () => {
+          deletedBelongs += 1;
+
+          if (deletedBelongs === needToDeleteBelongs.length) {
+            _deleteItem();
+          }
+        };
+
+        if (this.params.belongsToMany) {
+          Object.keys(this.params.belongsToMany).map(key => {
+            const collection = this.params.belongsToMany[key];
+            if (item[collection].length) {
+              needToDeleteBelongs.push(key);
+            }
             return true;
           });
+
+          if (needToDeleteBelongs.length > 0) {
+            for (let i = 0; i < needToDeleteBelongs.length; i += 1) {
+              const currentKey = needToDeleteBelongs[i];
+              const collection = this.params.belongsToMany[currentKey];
+              const valuesToDelete = [];
+              for (let j = 0; j < item[collection].length; j += 1) {
+                valuesToDelete.push(item[collection][j].id);
+              }
+              this.deleteBelongsTo(item, currentKey, valuesToDelete, _next);
+            }
+          } else {
+            _deleteItem();
+          }
+        } else {
+          _deleteItem();
+        }
+      }
+    });
     return true;
   }
 }

libs/QueryBuilder.js

@@ -22,7 +22,7 @@ class QueryBuilder {
    * @param  {Number} maxPage
    * @param  {String} page
    */
-  static _createLink(href, currentPage, maxPage, page) {
+  static createLink(href, currentPage, maxPage, page) {
     if (
       (page === "first" && currentPage > 1) ||
       (page === "last" && currentPage < maxPage) ||
@@ -61,17 +61,17 @@ class QueryBuilder {
    * @param  {Number} skip
    * @return {Object}
    */
-  static _createPagination(req, total, limit, skip) {
+  static createPagination(req, total, limit, skip) {
     const maxPage = Math.ceil(total / limit); // Nombre total de pages
     const currentPage = Math.ceil(skip / limit) + 1; // Numéro de la page courante
     const href = `${req.protocol}://${req.get("host")}${req.originalUrl}`; // Lien vers la page actuelle
 
     return {
       paging: {
-        first: QueryBuilder._createLink(href, currentPage, maxPage, "first"),
-        prev: QueryBuilder._createLink(href, currentPage, maxPage, "prev"),
-        next: QueryBuilder._createLink(href, currentPage, maxPage, "next"),
-        last: QueryBuilder._createLink(href, currentPage, maxPage, "last")
+        first: QueryBuilder.createLink(href, currentPage, maxPage, "first"),
+        prev: QueryBuilder.createLink(href, currentPage, maxPage, "prev"),
+        next: QueryBuilder.createLink(href, currentPage, maxPage, "next"),
+        last: QueryBuilder.createLink(href, currentPage, maxPage, "last")
       },
       total,
       maxPage
@@ -83,7 +83,7 @@ class QueryBuilder {
    * @param  {Object} obj
    * @return {Object}
    */
-  _replaceKeys(obj) {
+  replaceKeys(obj) {
     const { Op } = this.models.Sequelize;
     let newObject = {};
 
@@ -91,13 +91,13 @@ class QueryBuilder {
       newObject = [];
       for (let i = 0; i < obj.length; i += 1) {
         const value =
-          typeof obj[i] === "object" ? this._replaceKeys(obj[i]) : obj[i];
+          typeof obj[i] === "object" ? this.replaceKeys(obj[i]) : obj[i];
         newObject.push(value);
       }
     } else {
       Object.keys(obj).map(key => {
         const value =
-          typeof obj[key] === "object" ? this._replaceKeys(obj[key]) : obj[key];
+          typeof obj[key] === "object" ? this.replaceKeys(obj[key]) : obj[key];
         if (key.indexOf("$") === 0 && key.slice(-1) !== "$") {
           switch (key) {
             case "$or":
@@ -129,8 +129,6 @@ class QueryBuilder {
       });
     }
 
-    console.log("newObject:", newObject);
-
     return newObject;
   }
 
@@ -139,7 +137,7 @@ class QueryBuilder {
    * @param {Object} req
    * @return {Boolean}
    */
-  _haveRight(req) {
+  haveRight(req) {
     let allowedRole = "all";
     if (!req.user) {
       req.user = {};
@@ -173,7 +171,7 @@ class QueryBuilder {
    * @param {Object} req
    * @return {Object}
    */
-  _restrictOn(req) {
+  restrictOn(req) {
     const where = {};
     if (!this.params || !this.params.restrictOn) {
       return where;
@@ -220,11 +218,15 @@ class QueryBuilder {
    * @param {String} method
    * @return {Object}
    */
-  _override(req, method) {
-    let override = {};
-    const params = this.params.override ? this.params.override[method] : {};
+  override(req, method) {
+    let overrideValues = {};
     if (!this.params.override) {
-      return override;
+      return overrideValues;
+    }
+    const params = this.params.override ? this.params.override[method] : {};
+
+    if (!params) {
+      return overrideValues;
     }
 
     // On surcharge certains paramètres passé en query
@@ -239,7 +241,10 @@ class QueryBuilder {
               value
             )
           );
-          override = Object.assign(override, this._replaceKeys(query));
+          overrideValues = Object.assign(
+            overrideValues,
+            this.replaceKeys(query)
+          );
         }
         return true;
       });
@@ -249,12 +254,12 @@ class QueryBuilder {
     if (params.params) {
       for (let i = 0; i < params.params.length; i += 1) {
         const currentParam = params.params[i];
-        override[currentParam.append] =
+        overrideValues[currentParam.append] =
           req[currentParam.from][currentParam.value];
       }
     }
 
-    return override;
+    return overrideValues;
   }
 
   /**
@@ -263,7 +268,7 @@ class QueryBuilder {
    * @param {Array} include
    * @return {Mixed}
    */
-  _setInclusions(req, include) {
+  setInclusions(req, include) {
     if (!req.user) {
       req.user = {};
     }
@@ -299,10 +304,7 @@ class QueryBuilder {
             currentInclude.where = {};
 
             if (current.include) {
-              currentInclude.include = this._setInclusions(
-                req,
-                current.include
-              );
+              currentInclude.include = this.setInclusions(req, current.include);
             }
 
             // On parcours la liste des règles d'inclusion pour ce modèle
@@ -338,14 +340,55 @@ class QueryBuilder {
     return true;
   }
 
+  /**
+   * Fonction permettant de peupler une table de jointure (belongsToMany)
+   * @param  {Object} item
+   * @param  {String} key
+   * @param  {Array} values
+   * @param  {String} mode
+   * @param  {Function} callback
+   */
+  createBelonsTo(item, key, values, mode, callback) {
+    const collection = this.params.belongsToMany[key];
+    const action = `${mode}${collection}`;
+
+    item[action](values)
+      .then(() => {
+        callback();
+      })
+      .catch(callback);
+  }
+
+  deleteBelongsTo(item, key, values, callback) {
+    const collection = this.params.belongsToMany[key];
+    const action = `remove${collection}`;
+
+    item[action](values)
+      .then(() => {
+        callback();
+      })
+      .catch(callback);
+  }
+
   /**
    * Méthode interne permettant de créer un item
    * @param {Object} req
    * @param {Object} value
    * @param {Function} callback
    */
-  _insertItem(req, value, callback) {
+  insertItem(req, value, callback) {
     const values = {};
+    const _done = item => {
+      let createdItem = item;
+      if (this.params.format) {
+        const formatRules = req.user ? this.params.format[req.user.role] : null;
+
+        if (formatRules) {
+          createdItem = this.formatItem(item, formatRules);
+        }
+      }
+      callback(null, createdItem);
+    };
     // On converti les 'null' en null (formData par exemple)
     Object.keys(value).map(key => {
       if (value[key] === "null") {
@@ -360,17 +403,44 @@ class QueryBuilder {
     this.models[this.params.model]
       .create(values)
       .then(item => {
-        let createdItem = item;
-        if (this.params.format) {
-          const formatRules = req.user
-            ? this.params.format[req.user.role]
-            : null;
+        if (this.params.belongsToMany) {
+          const needCreate = [];
+          let created = 0;
+          const _next = err => {
+            if (err) {
+              // TODO: break and revert
+            } else {
+              created += 1;
 
-          if (formatRules) {
-            createdItem = this._formatItem(item, formatRules);
+              if (created === needCreate.length) {
+                _done(item);
               }
             }
-        callback(null, createdItem);
+          };
+          Object.keys(this.params.belongsToMany).map(key => {
+            if (values[key]) {
+              needCreate.push(key);
+            }
+            return true;
+          });
+
+          if (needCreate.length > 0) {
+            for (let i = 0; i < needCreate.length; i += 1) {
+              const currentKey = needCreate[i];
+              this.createBelonsTo(
+                item,
+                currentKey,
+                values[currentKey],
+                "set",
+                _next
+              );
+            }
+          } else {
+            _done(item);
+          }
+        } else {
+          _done(item);
+        }
       })
       .catch(err => {
         switch (err.name) {
@@ -392,10 +462,11 @@ class QueryBuilder {
    * @param  {Object} formatRule
    * @return {Object}
    */
-  _formatItem(item, formatRule) {
+  formatItem(item, formatRule) {
     const formated = {};
 
     Object.keys(formatRule).map(key => {
+      // TODO: revoir ce switch
       switch (typeof formatRule[key]) {
         case "string":
           if (item) {
@@ -407,11 +478,11 @@ class QueryBuilder {
             formated[key] = [];
             for (let i = 0; i < item[key].length; i += 1) {
               formated[key].push(
-                this._formatItem(item[key][i], formatRule[key])
+                this.formatItem(item[key][i], formatRule[key])
               );
             }
           } else {
-            formated[key] = this._formatItem(item[key], formatRule[key]);
+            formated[key] = this.formatItem(item[key], formatRule[key]);
           }
           break;
         default:
@@ -429,7 +500,7 @@ class QueryBuilder {
    * @param  {Object} items
    * @return {Object}
    */
-  _formatItems(req, items) {
+  formatItems(req, items) {
     if (!this.params.format) {
       return items;
     }
@@ -442,7 +513,7 @@ class QueryBuilder {
 
     const formated = [];
     for (let i = 0; i < items.length; i += 1) {
-      formated.push(this._formatItem(items[i], formatRules));
+      formated.push(this.formatItem(items[i], formatRules));
     }
 
     return formated;
@@ -453,7 +524,7 @@ class QueryBuilder {
    * @param  {Object} req
    * @param  {Function} callback
    */
-  _checkCreateOneValues(req, callback) {
+  checkCreateOneValues(req, callback) {
     // On regarde s'il faut surcharger les valeurs du body avec des valeurs dérivées (req.user, req.params...)
     if (this.params.override && this.params.override.create) {
       if (this.params.override.create.body) {
@@ -482,14 +553,14 @@ class QueryBuilder {
    * @param  {Function} callback
    * @return {Boolean}
    */
-  _createQuery(req, callback) {
-    this._setInclusions(req);
+  createQuery(req, callback) {
+    this.setInclusions(req);
     const query = {};
     let where = {};
     let order = [];
 
     // On test les droits
-    if (!this._haveRight(req)) {
+    if (!this.haveRight(req)) {
       callback(new ErrorBuilder(401.1, "You're not allowed"));
       return false;
     }
@@ -564,11 +635,11 @@ class QueryBuilder {
     }
 
     // S'il y a des restrictions (genre un utilisateur n'a le droit de voir que tel ou tel items)
-    const restrict = this._restrictOn(req);
+    const restrict = this.restrictOn(req);
     where = Object.assign(where, restrict);
 
     // On regarde s'il n'y a pas des valeurs à overrider
-    const override = this._override(req, req.getType);
+    const override = this.override(req, req.getType);
     where = Object.assign(where, override);
 
     if (order) {

migrations/20200212092056-create-colors.js

@@ -0,0 +1,26 @@
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.createTable("Colors", {
+      id: {
+        allowNull: false,
+        autoIncrement: true,
+        primaryKey: true,
+        type: Sequelize.INTEGER
+      },
+      name: {
+        type: Sequelize.STRING
+      },
+      createdAt: {
+        allowNull: false,
+        type: Sequelize.DATE
+      },
+      updatedAt: {
+        allowNull: false,
+        type: Sequelize.DATE
+      }
+    });
+  },
+  down: queryInterface => {
+    return queryInterface.dropTable("Colors");
+  }
+};

migrations/20200212092136-create-cars-colors.js

@@ -0,0 +1,39 @@
+module.exports = {
+  up: (queryInterface, Sequelize) => {
+    return queryInterface.createTable("CarsColors", {
+      id: {
+        allowNull: false,
+        autoIncrement: true,
+        primaryKey: true,
+        type: Sequelize.INTEGER
+      },
+      CarId: {
+        type: Sequelize.INTEGER,
+        allowNull: true,
+        references: {
+          model: "Cars",
+          key: "id"
+        }
+      },
+      ColorId: {
+        type: Sequelize.INTEGER,
+        allowNull: true,
+        references: {
+          model: "Colors",
+          key: "id"
+        }
+      },
+      createdAt: {
+        allowNull: false,
+        type: Sequelize.DATE
+      },
+      updatedAt: {
+        allowNull: false,
+        type: Sequelize.DATE
+      }
+    });
+  },
+  down: queryInterface => {
+    return queryInterface.dropTable("CarsColors");
+  }
+};

migrations/20200212093136-setUniqueCarsColors.js

@@ -0,0 +1,15 @@
+module.exports = {
+  up: queryInterface => {
+    return queryInterface.addConstraint("CarsColors", ["CarId", "ColorId"], {
+      type: "unique",
+      name: "CarsColors_unique_carId_colorId"
+    });
+  },
+
+  down: queryInterface => {
+    return queryInterface.removeConstraint(
+      "CarsColors",
+      "CarsColors_unique_carId_colorId"
+    );
+  }
+};

models/cars.js

@@ -21,6 +21,7 @@ module.exports = (sequelize, DataTypes) => {
       as: "Brand",
       foreignKey: "brandId"
     });
+    Cars.belongsToMany(models.Colors, { through: models.CarsColors });
   };
 
   return Cars;

models/carscolors.js

@@ -0,0 +1,24 @@
+module.exports = (sequelize, DataTypes) => {
+  const CarsColors = sequelize.define(
+    "CarsColors",
+    {
+      CarId: {
+        type: DataTypes.INTEGER,
+        references: {
+          model: "Cars",
+          key: "id"
+        }
+      },
+      ColorId: {
+        type: DataTypes.INTEGER,
+        references: {
+          model: "Colors",
+          key: "id"
+        }
+      }
+    },
+    {}
+  );
+
+  return CarsColors;
+};

models/colors.js

@@ -0,0 +1,11 @@
+module.exports = (sequelize, DataTypes) => {
+  const Colors = sequelize.define(
+    "Colors",
+    {
+      name: DataTypes.STRING
+    },
+    {}
+  );
+
+  return Colors;
+};

rules/Cars.js

@@ -12,10 +12,9 @@ const Rules = {
     {
       collection: "Brand",
       requiredRole: ["admin", "user"]
-      // },
-      // {
-      //   collection: "Colors",
-      //   requiredRole: ["admin", "user"]
+    },
+    {
+      collection: "Colors"
     }
   ],
   format: {
@@ -31,6 +30,7 @@ const Rules = {
   validate: {
     create: Joi.object({
       name: Joi.string().required(),
+      colorsId: Joi.array().items(Joi.number().integer()),
       active: Joi.boolean(),
       year: Joi.number()
         .integer()
@@ -38,7 +38,9 @@ const Rules = {
       brandId: Joi.number().integer()
     }),
     update: Joi.object({
-      name: Joi.string()
+      name: Joi.string(),
+      year: Joi.number().integer(),
+      colorsId: Joi.array().items(Joi.number().integer())
     }),
     item: Joi.object({
       carId: Joi.number().required()
@@ -119,6 +121,9 @@ const Rules = {
         }
       }
     }
+  },
+  belongsToMany: {
+    colorsId: "Colors"
   }
 };
 

seeders/20200213121737-createSomeColors.js

@@ -0,0 +1,47 @@
+module.exports = {
+  up: queryInterface => {
+    return queryInterface.bulkInsert(
+      "Colors",
+      [
+        {
+          name: "Red",
+          createdAt: new Date(),
+          updatedAt: new Date()
+        },
+        {
+          name: "Miami blue",
+          createdAt: new Date(),
+          updatedAt: new Date()
+        },
+        {
+          name: "Sirius yellow",
+          createdAt: new Date(),
+          updatedAt: new Date()
+        },
+        {
+          name: "Sunflower yellow",
+          createdAt: new Date(),
+          updatedAt: new Date()
+        },
+        {
+          name: "Royal blue",
+          createdAt: new Date(),
+          updatedAt: new Date()
+        },
+        {
+          name: "White",
+          createdAt: new Date(),
+          updatedAt: new Date()
+        }
+      ],
+      {}
+    );
+  },
+
+  down: queryInterface => {
+    return Promise.all([
+      queryInterface.bulkDelete("CarsColors", null, {}),
+      queryInterface.bulkDelete("Colors", null, {})
+    ]);
+  }
+};

test/belongsToMany.test.js

@@ -0,0 +1,286 @@
+/* eslint-disable jest/no-test-callback */
+import uuid from "uuid/v4";
+import { truncate } from "./utils/common";
+
+import models from "../models";
+import Cars from "../rules/Cars";
+import Middelware from "../index";
+
+const { Op } = models.Sequelize;
+
+let colors = [];
+const colorsId = [];
+let car = {};
+
+describe("createOne", () => {
+  beforeAll(done => {
+    models.Colors.findAll({
+      where: {
+        [Op.or]: [
+          {
+            name: "White"
+          },
+          {
+            name: "Miami blue"
+          },
+          {
+            name: "Sunflower yellow"
+          }
+        ]
+      }
+    })
+      .then(items => {
+        colors = items;
+        colorsId.push(items[0].id);
+        colorsId.push(items[1].id);
+
+        done();
+      })
+      .catch(done);
+  });
+
+  afterAll(done => {
+    truncate(["Cars"], done);
+  });
+
+  test("It should return new item after creation", async done => {
+    const middleware = new Middelware(Cars, models);
+    const req = {
+      method: "POST",
+      user: {
+        role: "admin"
+      },
+      body: {
+        name: uuid(),
+        year: 2004,
+        active: true,
+        colorsId
+      }
+    };
+
+    middleware.createOne(req, (err, res) => {
+      expect(err).toBeNull();
+
+      expect(res.name).toBe(req.body.name);
+      expect(res.year).toBe(2004);
+      expect(res.active).toBe(true);
+
+      car = res;
+
+      done();
+    });
+  });
+
+  test("It should return item with relations", async done => {
+    const middleware = new Middelware(Cars, models);
+    const req = {
+      method: "POST",
+      user: {
+        role: "admin"
+      },
+      params: {
+        carId: car.id
+      }
+    };
+
+    middleware.getOne(req, (err, res) => {
+      expect(err).toBeNull();
+
+      expect(res.name).toBe(car.name);
+      expect(res.Colors.length).toBe(2);
+      expect(res.year).toBe(2004);
+      expect(res.Colors[0].id).toBe(colorsId[0]);
+      expect(res.Colors[1].id).toBe(colorsId[1]);
+
+      done();
+    });
+  });
+
+  test("It should return all items ", async done => {
+    const middleware = new Middelware(Cars, models);
+    const req = {
+      method: "POST",
+      user: {
+        role: "admin"
+      },
+      params: {},
+      query: {},
+      protocol: "http",
+      get: () => {
+        return "internal.test/";
+      },
+      originalUrl: "v1/"
+    };
+
+    middleware.getAll(req, (err, res) => {
+      expect(err).toBeNull();
+
+      expect(res.data[0].name).toBe(car.name);
+      expect(res.data[0].Colors.length).toBe(2);
+      expect(res.data[0].Colors[0].id).toBe(colorsId[0]);
+      expect(res.data[0].Colors[1].id).toBe(colorsId[1]);
+
+      done();
+    });
+  });
+
+  test("It should return ok when update item", async done => {
+    const middleware = new Middelware(Cars, models);
+    const req = {
+      method: "PATCH",
+      user: {
+        role: "admin"
+      },
+      params: {
+        carId: car.id
+      },
+      query: {},
+      body: {
+        year: 1998,
+        colorsId: [colors[2].id]
+      },
+      protocol: "http",
+      get: () => {
+        return "internal.test/";
+      },
+      originalUrl: "v1/"
+    };
+
+    middleware.patchOne(req, (err, res) => {
+      expect(err).toBeNull();
+
+      expect(res.name).toBe(car.name);
+      expect(res.year).toBe(1998);
+
+      done();
+    });
+  });
+
+  test("It should return updated item", async done => {
+    const middleware = new Middelware(Cars, models);
+    const req = {
+      method: "PATCH",
+      user: {
+        role: "admin"
+      },
+      params: {
+        carId: car.id
+      },
+      query: {},
+      body: {},
+      protocol: "http",
+      get: () => {
+        return "internal.test/";
+      },
+      originalUrl: "v1/"
+    };
+
+    middleware.getOne(req, (err, res) => {
+      expect(err).toBeNull();
+
+      expect(res.name).toBe(car.name);
+      expect(res.year).toBe(1998);
+      expect(res.Colors.length).toBe(3);
+
+      done();
+    });
+  });
+
+  test("It should return empty object after delete", async done => {
+    const middleware = new Middelware(Cars, models);
+    const req = {
+      method: "DELETE",
+      user: {
+        role: "admin"
+      },
+      params: {
+        carId: car.id
+      },
+      query: {},
+      body: {},
+      protocol: "http",
+      get: () => {
+        return "internal.test/";
+      },
+      originalUrl: "v1/"
+    };
+
+    middleware.deleteOne(req, (err, res) => {
+      expect(err).toBeNull();
+      expect(res).toEqual({});
+
+      models.CarsColors.findAll({
+        where: {
+          CarId: car.id
+        }
+      })
+        .then(carsColors => {
+          expect(carsColors.length).toBe(0);
+
+          models.Cars.findAll({
+            where: {
+              id: car.id
+            }
+          }).then(items => {
+            expect(items.length).toBe(0);
+
+            done();
+          });
+        })
+        .catch(done);
+    });
+  });
+
+  test("It should return empty item when delete item with empty belongsTo collection", async done => {
+    const middleware = new Middelware(Cars, models);
+    const req = {
+      method: "POST",
+      user: {
+        role: "admin"
+      },
+      body: {
+        name: uuid(),
+        year: 2004,
+        active: true
+      }
+    };
+
+    middleware.createOne(req, (err, newCar) => {
+      expect(err).toBeNull();
+
+      expect(newCar.name).toBe(req.body.name);
+      expect(newCar.year).toBe(2004);
+      expect(newCar.active).toBe(true);
+
+      const reqItem = {
+        method: "PATCH",
+        user: {
+          role: "admin"
+        },
+        params: {
+          carId: newCar.id
+        },
+        query: {},
+        body: {
+          year: 1998
+        },
+        protocol: "http",
+        get: () => {
+          return "internal.test/";
+        },
+        originalUrl: "v1/"
+      };
+
+      middleware.patchOne(reqItem, errPatch => {
+        expect(errPatch).toBeNull();
+
+        reqItem.method = "DELETE";
+
+        middleware.deleteOne(reqItem, errDelete => {
+          expect(errDelete).toBeNull();
+          done();
+        });
+      });
+    });
+  });
+});

test/patchOne.test.js

@@ -0,0 +1,163 @@
+/* eslint-disable jest/no-test-callback */
+import { createBrand, truncate } from "./utils/common";
+
+import models from "../models";
+import Brands from "../rules/Brands";
+import Middelware from "../index";
+
+let brand = {};
+
+describe("patchOne", () => {
+  beforeAll(done => {
+    createBrand((err, item) => {
+      if (err) {
+        done(err);
+      } else {
+        brand = item;
+        done();
+      }
+    });
+  });
+
+  afterAll(done => {
+    truncate(["Brands"], done);
+  });
+
+  test("It should return 401.1 if guest tries to update item", async done => {
+    const middleware = new Middelware(Brands, models);
+    const req = {
+      method: "PATCH",
+      user: null,
+      params: {
+        brandId: brand.id
+      },
+      query: {},
+      protocol: "http",
+      get: () => {
+        return "internal.test/";
+      },
+      originalUrl: "v1/"
+    };
+
+    middleware.patchOne(req, (err, res) => {
+      expect(res).toBeUndefined();
+      expect(parseFloat(err.errorCode)).toBe(401.1);
+
+      done();
+    });
+  });
+
+  test("It should return 401.1 if bad role tries to update item", async done => {
+    const middleware = new Middelware(Brands, models);
+    const req = {
+      method: "PATCH",
+      user: {
+        role: "user"
+      },
+      params: {
+        brandId: brand.id
+      },
+      query: {},
+      protocol: "http",
+      get: () => {
+        return "internal.test/";
+      },
+      originalUrl: "v1/"
+    };
+
+    middleware.patchOne(req, (err, res) => {
+      expect(res).toBeUndefined();
+      expect(parseFloat(err.errorCode)).toBe(401.1);
+
+      done();
+    });
+  });
+
+  test("It should return 406.1 if allowed user tries to patch item with unallowed values", async done => {
+    const middleware = new Middelware(Brands, models);
+    const req = {
+      method: "PATCH",
+      user: {
+        role: "admin"
+      },
+      params: {
+        brandId: brand.id
+      },
+      query: {},
+      body: {
+        created: "test",
+        name: "TEST"
+      },
+      protocol: "http",
+      get: () => {
+        return "internal.test/";
+      },
+      originalUrl: "v1/"
+    };
+
+    middleware.patchOne(req, (err, res) => {
+      expect(res).toBeUndefined();
+      expect(parseFloat(err.errorCode)).toBe(406.1);
+
+      done();
+    });
+  });
+
+  test("It should return updated item if allowed user patch item", async done => {
+    const middleware = new Middelware(Brands, models);
+    const req = {
+      method: "PATCH",
+      user: {
+        role: "admin"
+      },
+      params: {
+        brandId: brand.id
+      },
+      query: {},
+      body: {
+        name: "TEST"
+      },
+      protocol: "http",
+      get: () => {
+        return "internal.test/";
+      },
+      originalUrl: "v1/"
+    };
+
+    middleware.patchOne(req, (err, res) => {
+      expect(err).toBeNull();
+      expect(res.name).toBe("TEST");
+
+      done();
+    });
+  });
+
+  test("It should return 404.1 if allowed user tries to patch not found item", async done => {
+    const middleware = new Middelware(Brands, models);
+    const req = {
+      method: "PATCH",
+      user: {
+        role: "admin"
+      },
+      params: {
+        brandId: brand.id + 1
+      },
+      query: {},
+      body: {
+        name: "TEST"
+      },
+      protocol: "http",
+      get: () => {
+        return "internal.test/";
+      },
+      originalUrl: "v1/"
+    };
+
+    middleware.patchOne(req, (err, res) => {
+      expect(res).toBeUndefined();
+      expect(parseInt(err.errorCode, 10)).toBe(404);
+
+      done();
+    });
+  });
+});

test/utils/common.js

@@ -1,5 +1,6 @@
 import uuid from "uuid/v4";
 import models from "../../models";
+import truncateDefault from "./truncate";
 
 const _createCar = (brandId, active, year, done) => {
   models.Cars.create({
@@ -42,47 +43,7 @@ const _createBrands = (total, done) => {
   }
 };
 
-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;
+export const truncate = truncateDefault;

test/utils/truncate.js

@@ -0,0 +1,45 @@
+import models from "../../models";
+
+const _truncateCars = (tables, done) => {
+  if (tables.indexOf("Cars") === -1) {
+    done(null);
+    return true;
+  }
+
+  models.CarsColors.destroy({
+    where: {}
+  })
+    .then(() => {
+      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;
+};
+
+export default (tables, done) => {
+  _truncateCars(tables, errCars => {
+    if (errCars) {
+      done(errCars);
+    } else {
+      _truncateBrands(tables, errBrands => {
+        done(errBrands);
+      });
+    }
+  });
+};