kafka-pub-sub/test/validations/validateData.test.js

An application which is designed based on apache kafka pub-sub.

const validateData = require('../../validation/validateData');

describe('validateData_function', () => {
  // Tests that the function validates valid object data.
  it('test_validate_data_with_valid_object', () => {
    const validData = { name: 'Md. Muhtasim Fuad Fahim', email: 'mdmuhtasim.fahim@gmail.com' };
    expect(() => validateData(validData)).not.toThrow();
  });

  // Tests that the function validates an empty object.
  it('test_validate_data_with_empty_object', () => {
    const emptyData = {};
    expect(() => validateData(emptyData)).not.toThrow();
  });

  // Tests that the function throws an error with a specific message when invalid data is passed as input.
  it('test_validate_data_with_invalid_data', () => {
    const invalidData = 'invalid';
    expect(() => validateData(invalidData)).toThrow('Invalid data: The type of data should be object');
  });

  // Tests that the function throws an error with a specific message when invalid data type is passed as input.
  it('test_validate_data_with_invalid_data_type', () => {
    const invalidDataType = 123;
    expect(() => validateData(invalidDataType)).toThrow('Invalid data: The type of data should be object');
  });

  // Tests that the function throws an error with a specific message when undefined data type is passed as input.
  it('test_validate_data_with_no_data', () => {
    expect(() => validateData()).toThrow('Invalid data: No data found to produce');
  });
});