CommonJS Test Runner

Implementation of test runner compatible with CommonJS Unit Testing/1.1

Testing

In order to make your package testable from npm you should:

Create a directory in your package root.
Define test directory in package descriptor under directories section.
Define test script in package descriptor under scripts section.
Define dependency on this package (It's name is "test" in npm registry).
Write your tests
Test your package by running all tests npm test mypackage@active or run individual tests node path/to/test/group.js

####Example####

package.json

{ "name": "mypackage",
  "version": "0.7.0",
  "description": "Sample package",
  "scripts": { "test": "node test/all.js" },
  "dependencies": { "test": ">=0.0.5" }
}

test/fail-slow.js

// if test function expects second named argument it will be executed
// in async mode and test will be complete only after callback is called
exports['test my async foo'] = function(assert, done) {
  var http = require('http')
  var google = http.createClient(80, 'www.jeditoolkit.com')
  var request = google.request('GET', '/', {'host': 'www.jeditoolkit.com'})
  request.end()
  request.on('response', function (response) {
    assert.equal(response.statusCode, 302, 'must redirect') // will log result
    response.setEncoding('utf8')
    response.on('data', function (chunk) {
      assert.notEqual(chunk, 'helo world', 'must be something more inteligent')
      done() // telling test runner that we're done with this test
    })
  })
}

if (module == require.main) require('test').run(exports)

test/fail-slow.js

// using assert passed to the test function that just logs failures
exports['test that logs all failures'] = function(assert) {
  assert.equal(2 + 2, 5, 'assert failure is logged')
  assert.equal(3 + 2, 5, 'assert pass is logged')
}

if (module == require.main) require('test').run(exports)

test/fail-fast.js

// using nodejs's build in asserts that throw on failure
var assert = require('assert')

exports['test that stops execution on first failure'] = function() {
  assert.equal(2 + 2, 5, 'assert fails and test execution stop here')
  assert.equal(3 + 2, 5, 'will never pass this since test failed above')
}

if (module == require.main) require('test').run(exports)

test／custom-assert.js

var AssertBase = require('assert').Assert
var AssertDescriptor = {
  constructor: { value: Assert },
  inRange: { value: function (lower, inner, upper, message) {
    if (lower < inner && inner < upper) {
      this.fail({
        actual: inner,
        expected: lower + '> ' + ' < ' + upper,
        operator: "inRange",
        message: message
      })
    } else {
      this.pass(message);
    }
  }, enumerable: true }
}
function Assert() {
  return Object.create(AssertBase.apply(null, arguments), AssertDescriptor)
}

// bundling custom asserts with test suite
exports.Assert = Assert
exports['test with custom asserts'] = function(assert) {
  assert.inRange(2, 3, 5, 'passes assert and logs')
  assert.equal(3 + 2, 5, 'assert pass is logged')
}

if (module == require.main) require('test').run(exports)

For more examples checkout tests for this package and for more details see the CommonJS Unit Testing/1.1 specification.

quickredfox/test-commonjs

CommonJS Test Runner

Testing