diff --git a/staff/borja-garcia/json-bbdd/.gitignore b/staff/borja-garcia/json-bbdd/.gitignore
new file mode 100644
index 00000000..ee976ba1
--- /dev/null
+++ b/staff/borja-garcia/json-bbdd/.gitignore
@@ -0,0 +1,4 @@
+/node_modules/
+pnpm-lock.yaml
+../social-app/
+  ../.prettierrc
\ No newline at end of file
diff --git a/staff/borja-garcia/json-bbdd/database/users.json b/staff/borja-garcia/json-bbdd/database/users.json
new file mode 100644
index 00000000..58528dcd
--- /dev/null
+++ b/staff/borja-garcia/json-bbdd/database/users.json
@@ -0,0 +1 @@
+{"users":[{"id":0,"name":"Limón","birth_date":"1985-01-04","phone":"+34 111111111","email":"limoncode@gmail.com","password":"12345678"},{"id":1,"name":"Borja","birth_date":"1995-08-30","phone":"+34 987654321","email":"itspuo@gmail.com","password":"12345678"},{"id":2,"name":"Pepito","birth_date":"1995-08-30","phone":"+34 987654321","email":"foo@gmail.com","password":"12345678"},{"id":3,"name":"Rafa","birth_date":"1983-02-07","phone":"+34 123456789","email":"nosoyrafa@gmail.com","password":"12345678"},{"id":4,"name":"Rafa","birth_date":"1983-02-07","phone":"+34 123456789","email":"nosoyrafa2@gmail.com","password":"12345678"},{"id":5,"name":"ventu","birth_date":"2000-01-02","phone":"+34 987654321","email":"ventu@gmail.com","password":"123456789"}]}
\ No newline at end of file
diff --git a/staff/borja-garcia/json-bbdd/errors/credentials.js b/staff/borja-garcia/json-bbdd/errors/credentials.js
new file mode 100644
index 00000000..dfc1b942
--- /dev/null
+++ b/staff/borja-garcia/json-bbdd/errors/credentials.js
@@ -0,0 +1,14 @@
+function CredentialsError(message) {
+    const instance = new Error(message);
+    Object.setPrototypeOf(instance, Object.getPrototypeOf(this));
+    if (Error.captureStackTrace) {
+        Error.captureStackTrace(instance, CredentialsError);
+    }
+    return instance
+}
+
+CredentialsError.prototype = Object.create(Error.prototype);
+
+CredentialsError.prototype.name = "CredentialsError";
+
+module.exports = CredentialsError;
\ No newline at end of file
diff --git a/staff/borja-garcia/json-bbdd/errors/email-not-valid.js b/staff/borja-garcia/json-bbdd/errors/email-not-valid.js
new file mode 100644
index 00000000..1d8bc20d
--- /dev/null
+++ b/staff/borja-garcia/json-bbdd/errors/email-not-valid.js
@@ -0,0 +1,14 @@
+function EmailNotValidError(message) {
+    const instance = new Error(message);
+    Object.setPrototypeOf(instance, Object.getPrototypeOf(this));
+    if (Error.captureStackTrace) {
+        Error.captureStackTrace(instance, EmailNotValidError);
+    }
+    return instance;
+}
+
+EmailNotValidError.prototype = Object.create(Error.prototype);
+
+EmailNotValidError.prototype.name = "EmailNotValidError";
+
+module.exports = EmailNotValidError;
\ No newline at end of file
diff --git a/staff/borja-garcia/json-bbdd/errors/index.js b/staff/borja-garcia/json-bbdd/errors/index.js
new file mode 100644
index 00000000..74a1bf5c
--- /dev/null
+++ b/staff/borja-garcia/json-bbdd/errors/index.js
@@ -0,0 +1,10 @@
+const CredentialsError = require("./credentials.js");
+const EmailNotValidError = require("./email-not-valid.js");
+const NotFoundError = require("./not-found.js");
+const NotAnIntegerError = require("./not-an-integer.js");
+module.exports = {
+  CredentialsError,
+  EmailNotValidError,
+  NotAnIntegerError,
+  NotFoundError,
+};
\ No newline at end of file
diff --git a/staff/borja-garcia/json-bbdd/errors/not-an-integer.js b/staff/borja-garcia/json-bbdd/errors/not-an-integer.js
new file mode 100644
index 00000000..84354021
--- /dev/null
+++ b/staff/borja-garcia/json-bbdd/errors/not-an-integer.js
@@ -0,0 +1,14 @@
+function NotAnIntegerError(message) {
+    const instance = new Error(message);
+    Object.setPrototypeOf(instance, Object.getPrototypeOf(this));
+    if (Error.captureStackTrace) {
+        Error.captureStackTrace(instance, NotAnIntegerError);
+    }
+    return instance;
+}
+
+NotAnIntegerError.prototype = Object.create(Error.prototype);
+
+NotAnIntegerError.prototype.name = "NotAnIntegerError";
+
+module.exports = NotAnIntegerError;
\ No newline at end of file
diff --git a/staff/borja-garcia/json-bbdd/errors/not-found.js b/staff/borja-garcia/json-bbdd/errors/not-found.js
new file mode 100644
index 00000000..7f11ce9e
--- /dev/null
+++ b/staff/borja-garcia/json-bbdd/errors/not-found.js
@@ -0,0 +1,15 @@
+function NotFoundError(message) {
+    const instance = new Error(message);
+    Object.setPrototypeOf(instance, Object.getPrototypeOf(this));
+
+    if (Error.captureStackTrace) {
+        Error.captureStackTrace(instance, NotFoundError);
+    }
+    return instance;
+}
+
+NotFoundError.prototype = Object.create(Error.prototype);
+
+NotFoundError.prototype.name = "NotFoundError";
+
+module.exports = NotFoundError;
\ No newline at end of file
diff --git a/staff/borja-garcia/json-bbdd/interface/create-user.js b/staff/borja-garcia/json-bbdd/interface/create-user.js
new file mode 100644
index 00000000..26428703
--- /dev/null
+++ b/staff/borja-garcia/json-bbdd/interface/create-user.js
@@ -0,0 +1,43 @@
+const readline = require("readline");
+const { users } = require("../scripts");
+
+const r1 = readline.createInterface(process.stdin, process.stdout);
+
+const template = [
+  ["¿Cuál es tu nombre?", "name"],
+  ["¿Cuál es tu fecha de nacimiento?", "birthDate"],
+  ["¿Cuál es tu teléfono?", "phone"],
+  ["¿Cuál es tu email?", "email"],
+  ["¿Cuál es tu contraseña?", "password"],
+];
+let tupple = [...template];
+
+const user = {};
+
+function prompt(tupple) {
+  r1.question(tupple[0][0], function (answer) {
+    user[tupple[0][1]] = answer;
+    tupple.shift();
+    if (tupple.length > 0) {
+      prompt(tupple);
+    } else {
+      users.createOne(user, (err, id) => {
+        if (err) {
+          console.error("Error al crear el usuario:", err.message);
+        } else {
+          console.table({ id });
+          r1.question("¿Quieres agregar un nuevo usuario? (yes/no)", function (answer) {
+            if (answer === "yes") {
+              tupple = [...template];
+              prompt(tupple);
+            } else {
+              r1.close();
+            }
+          });
+        }
+      });
+    }
+  });
+}
+
+prompt(tupple);
diff --git a/staff/borja-garcia/json-bbdd/interface/delete-user.js b/staff/borja-garcia/json-bbdd/interface/delete-user.js
new file mode 100644
index 00000000..818fc21c
--- /dev/null
+++ b/staff/borja-garcia/json-bbdd/interface/delete-user.js
@@ -0,0 +1,44 @@
+const readline = require("readline");
+const { users } = require("../scripts");
+
+const rl = readline.createInterface(process.stdin, process.stdout);
+
+rl.question(
+  "Por favor, introduce el id del usuario que quieres eliminar",
+  function (_id) {
+    const id = Number(_id);
+
+    if (
+      typeof id !== "number" ||
+      id < 0 ||
+      id === NaN ||
+      id === Infinity ||
+      !Number.isInteger(id)
+    ) {
+      console.log("Introduce un número válido");
+      return rl.close();
+    }
+    rl.question(
+      "Introduce la contraseña del usuario a eliminar",
+      function (password) {
+        rl.question(
+          "Estás seguro de eliminar el usuario? (yes/no)",
+          function (answer) {
+            if (!answer === "yes") return rl.close();
+
+            users.deleteOne(id, password, (err, response) => {
+              if (err) throw err;
+              if (response)
+                console.log("El usuario se ha eliminado correctamente");
+              else
+                console.log(
+                  "No se ha podido eliminar correctamente el usuario"
+                );
+              rl.close();
+            });
+          }
+        );
+      }
+    );
+  }
+);
\ No newline at end of file
diff --git a/staff/borja-garcia/json-bbdd/interface/edit-user.js b/staff/borja-garcia/json-bbdd/interface/edit-user.js
new file mode 100644
index 00000000..85a0a942
--- /dev/null
+++ b/staff/borja-garcia/json-bbdd/interface/edit-user.js
@@ -0,0 +1,29 @@
+const readline = require('readline');
+const {users} = require('../scripts');
+
+const rl = readline.createInterface(process.stdin, process.stdout);
+
+const template =[
+    ["Cuál es tu nuevo nombre?", "name"],
+    ["Cuál es tu nueva fecha de nacimiento?", "birthDate"],
+    ["Cuál es tu nuevo teléfono?", "phone"],
+  ];
+  let tupple = [...template];
+
+  const user ={};
+
+  function prompt(tupple, id) {
+    rl.question(tupple[0][0], function (answer){
+        user[tupple[0][1]] = answer === '' ? null : answer;
+        tupple.shift();
+        if (tupple.length > 0) prompt(tupple, id);
+        else {
+            users.updateById(id, user);
+            rl.close();
+        }
+    });
+  }
+
+  rl.question('¿Cuál es el ID del usuario que quieres editar=', (id) => {
+    prompt(tupple, Number(id));
+  });
\ No newline at end of file
diff --git a/staff/borja-garcia/json-bbdd/interface/list-users.js b/staff/borja-garcia/json-bbdd/interface/list-users.js
new file mode 100644
index 00000000..3e95a6bf
--- /dev/null
+++ b/staff/borja-garcia/json-bbdd/interface/list-users.js
@@ -0,0 +1,21 @@
+const readline = require("readline");
+const { users } = require("../scripts");
+
+const rl = readline.createInterface(process.stdin, process.stdout);
+
+rl.question("Cuál es el rango que deseas ver? (ej: 5-8)", function (answer) {
+  let min = Number(answer.split("-")[0]),
+    max = Number(answer.split("-")[1]);
+
+  if (min > max) {
+    console.log("Él mínimo no puede ser mayor al máximo");
+    return rl.close();
+  }
+
+  users.readAll((err, listUsers) => {
+    if (err) throw err;
+    const showList = listUsers.slice(min, max + 1);
+    console.table(showList);
+    rl.close();
+  });
+});
\ No newline at end of file
diff --git a/staff/borja-garcia/json-bbdd/interface/show-user.js b/staff/borja-garcia/json-bbdd/interface/show-user.js
new file mode 100644
index 00000000..2689ebab
--- /dev/null
+++ b/staff/borja-garcia/json-bbdd/interface/show-user.js
@@ -0,0 +1,28 @@
+const readline = require("readline");
+const { users } = require("../scripts");
+
+const rl = readline.createInterface(process.stdin, process.stdout);
+
+rl.question(
+  "Por favor, introduce el id del usuario que quieres ver",
+  function (_id) {
+    const id = Number(_id);
+
+    if (
+      typeof id !== "number" ||
+      id < 0 ||
+      id === NaN ||
+      id === Infinity ||
+      !Number.isInteger(id)
+    ) {
+      console.log("Introduce un número válido");
+      return rl.close();
+    }
+
+    users.readOne(id, (err, user) => {
+      if (err) throw err;
+      console.table(user);
+      rl.close();
+    });
+  }
+);
\ No newline at end of file
diff --git a/staff/borja-garcia/json-bbdd/package.json b/staff/borja-garcia/json-bbdd/package.json
new file mode 100644
index 00000000..5d823f9f
--- /dev/null
+++ b/staff/borja-garcia/json-bbdd/package.json
@@ -0,0 +1,25 @@
+{
+  "name": "json-bbdd",
+  "version": "0.0.0",
+  "description": "",
+  "main": "",
+  "scripts": {
+    "create-user": "node ./interface/create-user.js",
+    "delete-user": "node ./interface/delete-user.js",
+    "edit-user": "node ./interface/edit-user.js",
+    "list-users": "node ./interface/list-users.js",
+    "show-user": "node ./interface/show-user.js",
+    "test": "mocha ./test/users",
+    "test-inspect": "mocha --inspect-brk ./test/users"
+  },
+  "keywords": [],
+  "author": "Borja García",
+  "license": "ISC",
+
+  
+  "devDependencies": {
+    "mocha": "10.7.3",
+    "chai": "4.5.0"
+  },
+  "dependencies": {}
+}
\ No newline at end of file
diff --git a/staff/borja-garcia/json-bbdd/scripts/index.js b/staff/borja-garcia/json-bbdd/scripts/index.js
new file mode 100644
index 00000000..188f5d9b
--- /dev/null
+++ b/staff/borja-garcia/json-bbdd/scripts/index.js
@@ -0,0 +1,3 @@
+const users = require('./users');
+
+module.exports = {users};
\ No newline at end of file
diff --git a/staff/borja-garcia/json-bbdd/scripts/users/create-one.js b/staff/borja-garcia/json-bbdd/scripts/users/create-one.js
new file mode 100644
index 00000000..ac6cd15c
--- /dev/null
+++ b/staff/borja-garcia/json-bbdd/scripts/users/create-one.js
@@ -0,0 +1,37 @@
+const fs = require("fs");
+const path = require("path");
+const readAll = require("./read-all.js");
+const { EmailNotValidError } = require("../../errors");
+
+function createOne(data, callback) {
+    const { name, birthDate, phone, email, password } = data;
+    const emailRegexp = new RegExp(
+      /^(([^<>()[\]\\.,;:\s@"]+(\.[^<>()[\]\\.,;:\s@"]+)*)|.(".+"))@((\[[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\.[0-9]{1,3}\])|(([a-zA-Z\-0-9]+\.)+[a-zA-Z]{2,}))$/
+    );
+    if (!emailRegexp.test(email))
+      throw new EmailNotValidError("Email is not valid");
+    readAll((err, users) => {
+      if (err) return callback(err);
+      const isEmailDuplicated = users.some((user) => user.email === email);
+      if (isEmailDuplicated) return callback(new Error("Email already in use"));
+      const id = users[users.length - 1].id + 1;
+      users.push({
+        id,
+        name,
+        birth_date: birthDate,
+        phone,
+        email,
+        password,
+      });
+      fs.writeFile(
+        path.join(__dirname, "../../database/users.json"),
+        JSON.stringify({ users: users }),
+        "utf-8",
+        (err) => {
+          if (err) return callback(err);
+          callback(null, id);
+        }
+      );
+    });
+  }
+module.exports = createOne; 
\ No newline at end of file
diff --git a/staff/borja-garcia/json-bbdd/scripts/users/delete-one.js b/staff/borja-garcia/json-bbdd/scripts/users/delete-one.js
new file mode 100644
index 00000000..0a06fb01
--- /dev/null
+++ b/staff/borja-garcia/json-bbdd/scripts/users/delete-one.js
@@ -0,0 +1,24 @@
+const fs = require("fs");
+const path = require("path");
+const readAll = require("./read-all.js");
+const { NotFoundError, CredentialsError } = require("../../errors");
+function deleteOne(id, password, callback) {
+  readAll((err, users) => {
+    if (err) throw err;
+    const user = users?.filter((_user) => _user.id === id)[0];
+    if (!user) return callback(new NotFoundError("User not found"));
+    if (!(user.password === password))
+      return callback(new CredentialsError("Password doesn't match"));
+    const newUsers = users.filter((_user) => !(_user.id === id));
+    fs.writeFile(
+      path.join(__dirname, "../../database/users.json"),
+      JSON.stringify({ users: newUsers }),
+      "utf-8",
+      (err) => {
+        if (err) return callback(err);
+        callback(null, true);
+      }
+    );
+  });
+}
+module.exports = deleteOne;
\ No newline at end of file
diff --git a/staff/borja-garcia/json-bbdd/scripts/users/index.js b/staff/borja-garcia/json-bbdd/scripts/users/index.js
new file mode 100644
index 00000000..fb488004
--- /dev/null
+++ b/staff/borja-garcia/json-bbdd/scripts/users/index.js
@@ -0,0 +1,13 @@
+const createOne = require("./create-one.js");
+const deleteOne = require("./delete-one.js");
+const readAll = require("./read-all.js");
+const readOne = require("./read-one.js");
+const updateById = require("./update-by-id.js");
+
+module.exports = {
+    createOne,
+    deleteOne,
+    readAll,
+    readOne,
+    updateById,
+};
\ No newline at end of file
diff --git a/staff/borja-garcia/json-bbdd/scripts/users/read-all.js b/staff/borja-garcia/json-bbdd/scripts/users/read-all.js
new file mode 100644
index 00000000..20d7c1d1
--- /dev/null
+++ b/staff/borja-garcia/json-bbdd/scripts/users/read-all.js
@@ -0,0 +1,14 @@
+const fs = require("fs");
+const path = require("path");
+function readAll(callback) {
+  fs.readFile(
+    path.join(__dirname, "../../database/users.json"),
+    "utf-8",
+    (err, _data) => {
+      if (err) return callback(err);
+      const data = JSON.parse(_data);
+      callback(null, data.users);
+    }
+  );
+}
+module.exports = readAll;
\ No newline at end of file
diff --git a/staff/borja-garcia/json-bbdd/scripts/users/read-one.js b/staff/borja-garcia/json-bbdd/scripts/users/read-one.js
new file mode 100644
index 00000000..8aba3a5a
--- /dev/null
+++ b/staff/borja-garcia/json-bbdd/scripts/users/read-one.js
@@ -0,0 +1,17 @@
+const fs = require("fs");
+const path = require("path");
+const { NotFoundError } = require("../../errors");
+function readOne(id, callback) {
+  fs.readFile(
+    path.join(__dirname, "../../database/users.json"),
+    "utf-8",
+    (err, _data) => {
+      if (err) return callback(err);
+      const data = JSON.parse(_data);
+      const user = data.users.filter((_user) => _user.id === id)[0];
+      if (!user) return callback(new NotFoundError("User not found"));
+      callback(null, user);
+    }
+  );
+}
+module.exports = readOne;
\ No newline at end of file
diff --git a/staff/borja-garcia/json-bbdd/scripts/users/update-by-id.js b/staff/borja-garcia/json-bbdd/scripts/users/update-by-id.js
new file mode 100644
index 00000000..7bb85de9
--- /dev/null
+++ b/staff/borja-garcia/json-bbdd/scripts/users/update-by-id.js
@@ -0,0 +1,34 @@
+const fs = require("fs");
+const path = require("path");
+const readAll = require("./read-all.js");
+const { NotAnIntegerError } = require("../../errors/index.js");
+
+function updateById(id, data, callback) {
+    if (typeof id !== "number") throw new TypeError("id is not a number");
+    if (id < 0 || id === NaN || id === Infinity)
+      throw new RangeError("id is out of range");
+    if (!Number.isInteger(id))
+      throw new NotAnIntegerError("id is not an integer");
+    const { name, birthDate, phone } = data;
+    readAll((err, users) => {
+      if (err) return callback(err);
+      users.forEach((user) => {
+        if (user.id === id) {
+          user.name = name ?? user.name;
+          user.birth_date = birthDate ?? user.birth_date;
+          user.phone = phone ?? user.phone;
+        }
+      });
+      fs.writeFile(
+        path.join(__dirname, "../../database/users.json"),
+        JSON.stringify({ users: users }),
+        "utf-8",
+        (err) => {
+          if (err) return callback(err);
+          callback(null, true);
+        }
+      );
+    });
+  }
+
+module.exports = updateById;
\ No newline at end of file
diff --git a/staff/borja-garcia/json-bbdd/test/index.js b/staff/borja-garcia/json-bbdd/test/index.js
new file mode 100644
index 00000000..a24bfa5f
--- /dev/null
+++ b/staff/borja-garcia/json-bbdd/test/index.js
@@ -0,0 +1,5 @@
+require("./create-one.test.js");
+require("./delete-one.test.js");
+require("./read-all.test.js");
+require("./read-one.test.js");
+require("./update-by-id.test.js");
\ No newline at end of file
diff --git a/staff/borja-garcia/json-bbdd/test/users/create-one.test.js b/staff/borja-garcia/json-bbdd/test/users/create-one.test.js
new file mode 100644
index 00000000..9f428706
--- /dev/null
+++ b/staff/borja-garcia/json-bbdd/test/users/create-one.test.js
@@ -0,0 +1,121 @@
+const { users } = require("../../scripts");
+const fs = require("fs");
+const path = require("path");
+const { assert } = require("chai");
+const { EmailNotValidError } = require("../../errors");
+
+
+describe("Users scripts", function () {
+  describe("#createOne", function () {
+    let usersBackup = null;
+
+    before((done) => {
+      fs.readFile(
+        path.join(__dirname, "../../database/users.json"),
+        "utf-8",
+        (err, _data) => {
+          if (err) throw err;
+          const data = JSON.parse(_data);
+         // console.log(path.dirname());
+          usersBackup = data.users;
+          done(); 
+        }
+      );
+    });
+
+    after(() => {
+      fs.writeFile(
+        path.join(__dirname, "../../database/users.json"),
+        JSON.stringify({ users: usersBackup }),
+        "utf-8",
+        (err) => {
+          if (err) throw err;
+        }
+      );
+    });
+
+    it("Create a user with reasonable data", function (done) {
+      const data = {
+        name: "Angela",
+        birthDate: "2000-01-01",
+        phone: "+34 123456789",
+        email: "angela@gmail.com",
+        password: "123456789",
+      };
+      users.createOne(data, (err, id) => {
+        if (err) throw err;
+        assert.isNumber(id, "id is not a number");
+        fs.readFile(
+          path.join(__dirname, "../../database/users.json"),
+          "utf-8",
+          (err, _data) => {
+            if (err) throw err;
+            const data = JSON.parse(_data);
+            const user = data.users.filter((_user) => _user.id === id)[0];
+            assert.isObject(user);
+            assert.equal(Object.keys(user).length, 6);
+            assert.isString(user.name);
+            assert.equal(user.name, "Angela");
+            assert.isString(user.birth_date);
+            assert.equal(user.birth_date, "2000-01-01");
+            assert.isString(user.phone);
+            assert.equal(user.phone, "+34 123456789");
+            assert.isString(user.email);
+            assert.equal(user.email, "angela@gmail.com");
+            assert.isString(user.password);
+            assert.equal(user.password, "123456789");
+            done();
+          }
+        );
+      });
+    });
+
+    it("Create a user with invalid email", function (done) {
+      const data = {
+        name: "Angela",
+        birthDate: "2000-01-01",
+        phone: "+34 123456789",
+        email: "angela    @gmail.com",
+        password: "123456789",
+      };
+      try {
+        users.createOne(data, (err) => {
+          if (err) throw err;
+        });
+      } catch (err) {
+        assert.isTrue(err instanceof EmailNotValidError);
+        assert.equal(err.message, "Email is not valid");
+        done();
+      }
+    });
+
+    it("Create a user with duplicated email", function (done) {
+      const data = {
+        name: "Angela",
+        birthDate: "2000-01-01",
+        phone: "+34 123456789",
+        email: "duplicated@gmail.com",
+        password: "123456789",
+      };
+      const data2 = {
+        name: "Perico",
+        birthDate: "1992-10-01",
+        phone: "+34 123456789",
+        email: "duplicated@gmail.com",
+        password: "123456789",
+      };
+      users.createOne(data, (err) => {
+        if (err) throw err;
+        try {
+          users.createOne(data2, (err) => {
+            assert.isTrue(err instanceof Error);
+            assert.equal(err.message, "Email already in use");
+            done();
+          });
+        } catch (err) {
+          if (err) throw err;
+        }
+      });
+    });
+  });
+});
\ No newline at end of file
diff --git a/staff/borja-garcia/json-bbdd/test/users/delete-one.test.js b/staff/borja-garcia/json-bbdd/test/users/delete-one.test.js
new file mode 100644
index 00000000..21a6d40d
--- /dev/null
+++ b/staff/borja-garcia/json-bbdd/test/users/delete-one.test.js
@@ -0,0 +1,81 @@
+const { users } = require("../../scripts");
+const fs = require("fs");
+const path = require("path");
+const { assert } = require("chai");
+
+describe("Users scripts", function () {
+  describe("#deleteOne", function () {
+    let usersBackup = null;
+
+    before((done) => {
+      fs.readFile(
+        path.join(__dirname, "../../database/users.json"),
+        "utf-8",
+        (err, _data) => {
+          if (err) throw err;
+          const data = JSON.parse(_data);
+          usersBackup = data.users;
+          done();
+        }
+      );
+    });
+
+    after(() => {
+      fs.writeFile(
+        path.join(__dirname, "../../database/users.json"),
+        JSON.stringify({ users: usersBackup }),
+        "utf-8",
+        (err) => {
+          if (err) throw err;
+        }
+      );
+    });
+
+    context("", () => {
+      const user = {
+        id: 10000,
+        name: "Angela",
+        birthDate: "2000-01-01",
+        phone: "+34 123456789",
+        email: "angela@gmail.com",
+        password: "123456789",
+      };
+
+      beforeEach((done) => {
+        fs.writeFile(
+          path.join(__dirname, "../../database/users.json"),
+          JSON.stringify({
+            users: [...usersBackup, user],
+          }),
+          "utf-8",
+          (err) => {
+            if (err) throw err;
+            done();
+          }
+        );
+      });
+
+      it("Delete user with provided id", function (done) {
+        users.deleteOne(user.id, user.password, (err, ok) => {
+          if (err) throw err;
+
+          assert.isTrue(ok, "Response is not true");
+
+          fs.readFile(
+            path.join(__dirname, "../../database/users.json"),
+            "utf-8",
+            (err, _data) => {
+              if (err) throw err;
+              const data = JSON.parse(_data);
+              const foundUser = data.users.filter(
+                (_user) => _user.id === user.id
+              )[0];
+              assert.notExists(foundUser, "User has not been removed");
+              done();
+            }
+          );
+        });
+      });
+    });
+  });
+});
\ No newline at end of file
diff --git a/staff/borja-garcia/json-bbdd/test/users/index.js b/staff/borja-garcia/json-bbdd/test/users/index.js
new file mode 100644
index 00000000..dc826f17
--- /dev/null
+++ b/staff/borja-garcia/json-bbdd/test/users/index.js
@@ -0,0 +1,13 @@
+const createOneTest = require("./create-one.test.js");
+const deleteOneTest = require("./delete-one.test.js");
+const readAllTest = require("./read-all.test.js");
+const readOneTest = require("./read-one.test.js");
+const updateByIdTest = require("./update-by-id.test.js");
+
+module.exports = {
+  createOneTest,
+ deleteOneTest,
+readAllTest,
+readOneTest,
+updateByIdTest,
+};
\ No newline at end of file
diff --git a/staff/borja-garcia/json-bbdd/test/users/read-all.test.js b/staff/borja-garcia/json-bbdd/test/users/read-all.test.js
new file mode 100644
index 00000000..7bc950b0
--- /dev/null
+++ b/staff/borja-garcia/json-bbdd/test/users/read-all.test.js
@@ -0,0 +1,43 @@
+const { users } = require("../../scripts");
+const fs = require("fs");
+const path = require("path");
+const { assert } = require("chai");
+
+describe("Users scripts", function () {
+  describe("#readAll", function () {
+    let usersBackup = null;
+
+    before((done) => {
+      fs.readFile(
+        path.join(__dirname, "../../database/users.json"),
+        "utf-8",
+        (err, _data) => {
+          if (err) throw err;
+          const data = JSON.parse(_data);
+          usersBackup = data.users;
+          done();
+        }
+      );
+    });
+
+    after(() => {
+      fs.writeFile(
+        path.join(__dirname, "../../database/users.json"),
+        JSON.stringify({ users: usersBackup }),
+        "utf-8",
+        (err) => {
+          if (err) throw err;
+        }
+      );
+    });
+
+    it("All database users listed correctly", function (done) {
+      users.readAll((err, users) => {
+        if (err) throw err;
+        assert.notExists(err);
+        assert.isArray(users);
+        done();
+      });
+    });
+  });
+});
\ No newline at end of file
diff --git a/staff/borja-garcia/json-bbdd/test/users/read-one.test.js b/staff/borja-garcia/json-bbdd/test/users/read-one.test.js
new file mode 100644
index 00000000..f315a4f6
--- /dev/null
+++ b/staff/borja-garcia/json-bbdd/test/users/read-one.test.js
@@ -0,0 +1,68 @@
+const { users } = require("../../scripts");
+const fs = require("fs");
+const path = require("path");
+const { assert } = require("chai");
+
+describe("Users scripts", function () {
+  describe("#readOne", function () {
+    let usersBackup = null;
+
+    before((done) => {
+      fs.readFile(
+        path.join(__dirname, "../../database/users.json"),
+        "utf-8",
+        (err, _data) => {
+          if (err) throw err;
+          const data = JSON.parse(_data);
+          usersBackup = data.users;
+          done();
+        }
+      );
+    });
+
+    after(() => {
+      fs.writeFile(
+        path.join(__dirname, "../../database/users.json"),
+        JSON.stringify({ users: usersBackup }),
+        "utf-8",
+        (err) => {
+          if (err) throw err;
+        }
+      );
+    });
+
+    context("", () => {
+      const user = {
+        id: 10000,
+        name: "Angela",
+        birthDate: "2000-01-01",
+        phone: "+34 123456789",
+        email: "angela@gmail.com",
+        password: "123456789",
+      };
+
+      beforeEach((done) => {
+        fs.writeFile(
+          path.join(__dirname, "../../database/users.json"),
+          JSON.stringify({
+            users: [...usersBackup, user],
+          }),
+          "utf-8",
+          (err) => {
+            if (err) throw err;
+            done();
+          }
+        );
+      });
+
+      it("User correctly listed", function (done) {
+        users.readOne(user.id, (err, user) => {
+          if (err) throw err;
+          assert.notExists(err);
+          assert.isObject(user);
+          done();
+        });
+      });
+    });
+  });
+});
\ No newline at end of file
diff --git a/staff/borja-garcia/json-bbdd/test/users/update-by-id.test.js b/staff/borja-garcia/json-bbdd/test/users/update-by-id.test.js
new file mode 100644
index 00000000..26b7d6a5
--- /dev/null
+++ b/staff/borja-garcia/json-bbdd/test/users/update-by-id.test.js
@@ -0,0 +1,68 @@
+const { users } = require("../../scripts");
+const fs = require("fs");
+const path = require("path");
+const { assert } = require("chai");
+
+describe("Users scripts", function () {
+  describe("#updateById", function () {
+    let usersBackup = null;
+
+    before((done) => {
+      fs.readFile(
+        path.join(__dirname, "../../database/users.json"),
+        "utf-8",
+        (err, _data) => {
+          if (err) throw err;
+          const data = JSON.parse(_data);
+          usersBackup = data.users;
+          done();
+        }
+      );
+    });
+
+    after(() => {
+      fs.writeFile(
+        path.join(__dirname, "../../database/users.json"),
+        JSON.stringify({ users: usersBackup }),
+        "utf-8",
+        (err) => {
+          if (err) throw err;
+        }
+      );
+    });
+
+    context("", () => {
+      const user = {
+        id: 10000,
+        name: "Angela",
+        birthDate: "2000-01-01",
+        phone: "+34 123456789",
+        email: "angela@gmail.com",
+        password: "123456789",
+      };
+
+      beforeEach((done) => {
+        fs.writeFile(
+          path.join(__dirname, "../../database/users.json"),
+          JSON.stringify({
+            users: [...usersBackup, user],
+          }),
+          "utf-8",
+          (err) => {
+            if (err) throw err;
+            done();
+          }
+        );
+      });
+
+      it("User correctly updated", function (done) {
+        users.updateById(user.id, { phone: "+34 9876544321" }, (err, ok) => {
+          if (err) throw err;
+          assert.notExists(err);
+          assert.isTrue(ok);
+          done();
+        });
+      });
+    });
+  });
+});
\ No newline at end of file