must/test/must/assert_test.js

Testing and assertion library with friendly BDD syntax — awesome.must.be.true(). Many expressive matchers and is test runner and framework agnostic. Follows RFC 2119 with its use of MUST. Good and well tested stuff.

var O = require("oolong")
var Must = require("../..")
var assert = require("./assert")

describe("Must.prototype.assert", function() {
  it("must not be enumerable", function() {
    assert(O.keys(Must(undefined)).indexOf("assert") == -1)
  })
})