gistfile1.sh

# demonstrates that fixtures are not cleaned after unit tests are run (or between different unit tests)

# setup a fresh rails project

rails foo
cd foo

# create a model

./script/generate model bar
rake db:migrate

# create a fixture and a test

cat <<EOF > test/fixtures/bars.yml
one:
  updated_at:
two:
  updated_at:
EOF

# create a test which loads the fixture

cat <<EOF > test/unit/bars_test.rb
require 'test_helper'

class BarTest < ActiveSupport::TestCase
  fixtures :bars

  test "fixtures should be loaded" do
    assert_equal 2, Bar.count
  end
end
EOF

# don't load fixtures in test_helper

cat <<EOF > test/test_helper.rb
ENV["RAILS_ENV"] = "test"
require File.expand_path(File.dirname(__FILE__) + "/../config/environment")
require 'test_help'

class ActiveSupport::TestCase
  self.use_transactional_fixtures = true
  self.use_instantiated_fixtures  = false
end
EOF

# migrate the db, run tests

rake db:migrate
rake test:units

# now check the test db, should be empty but isn't

./script/runner -e test "puts Bar.count" #=> prints '2', should print '0'