var helper = require('./test-helper');
var pg = helper.pg;

var suite = new helper.Suite();

//clear process.env
var realEnv = {};
for(var key in process.env) {
  realEnv[key] = process.env[key];
  if(!key.indexOf('PG')) delete process.env[key];
}

suite.test('default values are used in new clients', function() {
  assert.same(pg.defaults, {
    user: process.env.USER,
    database: process.env.USER,
    password: null,
    port: 5432,
    rows: 0,
    poolSize: 10
  })

  var client = new pg.Client();
  assert.same(client, {
    user: process.env.USER,
    database: process.env.USER,
    password: null,
    port: 5432
  })
})


suite.test('modified values are passed to created clients', function() {
  pg.defaults.user = 'boom'
  pg.defaults.password = 'zap'
  pg.defaults.database = 'pow'
  pg.defaults.port = 1234
  pg.defaults.host = 'blam'

  var client = new Client();
  assert.same(client,{
    user: 'boom',
    password: 'zap',
    database: 'pow',
    port: 1234,
    host: 'blam'
  })
})

suite.test('cleanup', () => {
  //restore process.env
  for (var key in realEnv) {
    process.env[key] = realEnv[key];
  }
})