helpers.js

/*
 * helpers.js: Test helpers for node-cloudservers
 *
 * (C) 2010 Nodejitsu Inc.
 * MIT LICENSE
 *
 */

var util = require('util'),
    fs = require('fs'),
    path = require('path'),
    vows = require('vows'),
    assert = require('assert'),
    cloudfiles = require('../lib/cloudfiles');

var helpers = exports,
    testConfig, 
    client; 

helpers.loadConfig = function () {
  try {
    var configFile = path.join(__dirname, 'fixtures', 'test-config.json'),
        stats = fs.statSync(configFile),
        config = JSON.parse(fs.readFileSync(configFile).toString());

    if (config.auth.username === 'test-username'
        || config.auth.apiKey === 'test-apiKey') {
      util.puts('Config file test-config.json must be updated with valid data before running tests.');
      process.exit(0);
    }

    testConfig = config;
    return config;
    
  }
  catch (ex) {
    util.puts('Config file test/fixtures/test-config.json must be created with valid data before running tests.');
    process.exit(0);
  }  
};

helpers.createClient = function () {
  if (!testConfig) {
    helpers.loadConfig();
  }
  
  if (!client) {
    client = cloudfiles.createClient(testConfig);
  }
  
  return client;
};

helpers.assertContainer = function (container) {
  assert.instanceOf(container, cloudfiles.Container);
  assert.isNotNull(container.name);
  assert.isNotNull(container.count);
  assert.isNotNull(container.bytes);
};

helpers.assertCdnContainer = function (container) {
  helpers.assertContainer(container); 
  assert.isTrue(typeof container.ttl === 'number');
  assert.isTrue(typeof container.logRetention === 'boolean');
  assert.isTrue(typeof container.cdnUri === 'string');
  assert.isTrue(typeof container.cdnSslUri === 'string');
  assert.ok(container.cdnSslUri.match(/^https:/));
  assert.isTrue(container.cdnEnabled);
};

helpers.assertFile = function (file) {
  assert.instanceOf(file, cloudfiles.StorageObject);
  assert.isNotNull(file.name);
  assert.isNotNull(file.bytes);
  assert.isNotNull(file.etag || file.hash);
  assert.isNotNull(file.lastModified);
  assert.isNotNull(file.contentType);
};

helpers.assertEqualBuffers = function (a, b) {
  var result = a.length === b.length,
      i = 0;

  for (var len = a.length; result && i < len; i++) {
    if (a[i] !== b[i]) result = false;
  }

  return result;
};

helpers.countTestContainers = function (containers) {
	return containers.reduce(function (count,container) {
		if (container.name == "test_container" || container.name == "test_cdn_container") {
			count++;
		}
		return count;
	}, 0);
};

helpers.requireAuth = function () {
  return {
    "This test required Rackspace authorization": {
      topic: function () {
        if (client.authorized) {
          return this.callback();
        }
        
        client.setAuth(this.callback);
      },
      "the client is now authorized": function () {
        assert.isTrue(client.authorized);
      }
    }
  }
};