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yaut - Yet another unit test module

This is the core of a unit test library but is often all I need.

Tutorial

The core of the library is the run() method. It will run a set of unit tests given as a hash to the run method optionally given a name. Some utility functions are such as equal() and expect() which help verify results of a test. However, throwing any exception indicates the failure of a test so it should work with your favorite assert() such as console.assert().

yaut plays nice with with promises such as from yap or q. If a test returns a promise then yaut will chain the success and failure of the test back to the promise. The results of the test will not be reported until all the promises returned are resolved or rejected.

Example

var yaut = require('yaut');
var myLibrary = require('myLibrary');
var expect = yaut.expect;
var assert = yaut.assert;

yaut.report("Verify myLibrary", {
  "Verify that foo returns bar": function() {
    expect("bar", myLibrary.foo());
  },
  "Verify that calling goo() succeeds": function () {
    assert(myLibrary.goo());
  }
});

Functions

equals(expected, actual)

Returns true if expected is structurally equal to actual. It uses for..in to enumerate objects and ignores all members that begin with _ (that is two objects are considered equal if they only differ by the values of methods that begin with _).

expect(expected, actual, [message])

Throws an exception if equals() returns false comparing expected to actual with a value of message, if supplied, or "Expected " + expected + ", received " + actual + ".".

report([name], hash)

Calls run() and will format the result to console.log(). Returns a promise of a Boolean value that is true when all the tests succeed or false otherwise.

run([name], hash)

Runs a set of unit tests given in hash. Each property of hash is expected to be a function containing a unit test. run() returns a promise for object containing the results of running the tests is a matching hash with the values of the hash property values with the following properties,

  • success - true if the test passed, false if it failed.
  • error - if success is false then error contains the exception that was thrown.

The result also contains a name property, if one is supplied to run().

If a progress callback is supplied in the then(), it will be called with the results of each test as it is reported to yaut.

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Yet Another Unit Test module for node.js

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