cocoajs
A library to run parameterised testing in JS.
Last updated a year ago by paulamuldoon .
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Cocoa JavaScript

by Paula Muldoon

This project is an npm library to run parameterised testing in JS and mocha. Contributions are welcome (see development guide below).

Why CocoaJS? My favourite coffee shop in the world, Coffee Obsession, has the delicious Cocoa Java. Cocoa JavaScript seemed a fitting commemoration.

Usage Instructions

  • Run npm install cocoajs

  • To write a test using the mocha eq method for this file:

class Calculator {
    static add(number1, number2) {
        return number1 + number2;
    }
}

module.exports = Calculator;
  • Would have the following test file:

const CocoaJS = require('cocoaJS');
const Calculator = require('../src/Calculator');

describe('test add method', () => {
    const setup = {
        it: 'should add 2 numbers',
        codeFile: Calculator,
        testMethod: 'add',
    };

    const mochaAssertions = ['deep', 'eq'];

    const scenarios = {
        scenario1: {
            params: {
                number1: '1',
                number2: '2',
            },
            message: 'numbers to add',
            expected: '12',
        },

        scenario2: {
            params: {
                number1: '2',
                number2: '2',
            },
            message: 'numbers to add',
            expected: '22',
        },
    };
    CocoaJS.test(
        setup,
        mochaAssertions,
        scenarios,
    );
});

Notes

  • you can add up to 4 mocha chains/assertions
  • calling further chains after the initial assertion (e.g. expect([1, 2]).to.be.an('array').that.does.not.include(3);, where .that.does.not.include(3) is the further assertion, will be supported in a later version)

Development Instructions

  • Run npm install
  • To run all unit tests: npm run tests
  • To run specific unit test file: npx mocha test/TESTFILE
  • To run the test coverage: npm run coverage
  • To run the linter: npm run eslint
  • Note: there is a pre-commit hook in place which runs the test coverage and linter. You will not be allowed to commit without 95% coverage and 0 linter errors/warnings.

Current Tags

  • 4.0.0                                ...           latest (a year ago)

7 Versions

  • 4.0.0                                ...           a year ago
  • 3.0.0                                ...           2 years ago
  • 2.0.2                                ...           2 years ago
  • 2.0.1                                ...           2 years ago
  • 2.0.0                                ...           2 years ago
  • 1.0.2                                ...           2 years ago
  • 1.0.0                                ...           2 years ago
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