jagira

# Take backup
pg_dump -F c -v DATABASE_NAME -f FILENAME.sql

# Restore from backup
pg_restore --verbose --clean --no-owner --no-acl --dbname DATABASE_NAME FILENAME.sql

jagira

# lib/tasks/db.rake
namespace :db do

  desc "Dumps the database to db/APP_NAME.dump"
  task :dump => :environment do
    cmd = nil
    with_config do |app, host, db, user|
      cmd = "pg_dump --host #{host} --username #{user} --verbose --clean --no-owner --no-acl --format=c #{db} > #{Rails.root}/db/#{app}.dump"
    end
    puts cmd

eparreno

# config/environments/test.rb
ActionMailer::Base.delivery_method = :test 

# spec/models/mailer_spec.rb
describe Mailer do
  before(:each) do  
    ActionMailer::Base.deliveries = []  
  end

  it 'should send some random email' do