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"CommonJS test runner for Unit Testing/1.1

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README.md

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

Gist version

  • package.json

    { "name": "mypackage" , "version": "0.7.0" , "description": "Sample package" , "directories": { "lib": "./lib" , "test": "./test" } , "scripts": { "test": "node test/all.js" } , "engines": { "node": ">=0.1.103" } , "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.

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