proxyquire-2/examples/simple/foo.test.js

Proxies import/require in order to allow overriding dependencies during testing.

"use strict";

require('../example-utils').listModuleAndTests(__dirname + '/foo.js', __filename);

var proxyquire =  require('../..')
  , assert     =  require('assert')
  , pathStub   =  { };

// when not overridden, path.extname behaves normally
var foo = proxyquire('./foo', { 'path': pathStub });
assert.equal(foo.extnameAllCaps('file.txt'), '.TXT');

// override path.extname
pathStub.extname = function (file) { return 'Exterminate, exterminate the ' + file; };

// path.extname now behaves as we told it to
assert.equal(foo.extnameAllCaps('file.txt'), 'EXTERMINATE, EXTERMINATE THE FILE.TXT');

// path.basename and all other path module methods still function as before
assert.equal(foo.basenameAllCaps('/a/b/file.txt'), 'FILE.TXT');

console.log('*** All asserts passed ***');