path: root/activesupport/test/cache/stores/null_store_test.rb

# frozen_string_literal: true

require "abstract_unit"
require "active_support/cache"
require_relative "../behaviors"

class NullStoreTest < ActiveSupport::TestCase
  def setup
    @cache = ActiveSupport::Cache.lookup_store(:null_store)
  end

  def test_clear
    @cache.clear
  end

  def test_cleanup
    @cache.cleanup
  end

  def test_write
    assert_equal true, @cache.write("name", "value")
  end

  def test_read
    @cache.write("name", "value")
    assert_nil @cache.read("name")
  end

  def test_delete
    @cache.write("name", "value")
    assert_equal false, @cache.delete("name")
  end

  def test_increment
    @cache.write("name", 1, raw: true)
    assert_nil @cache.increment("name")
  end

  def test_decrement
    @cache.write("name", 1, raw: true)
    assert_nil @cache.increment("name")
  end

  def test_delete_matched
    @cache.write("name", "value")
    @cache.delete_matched(/name/)
  end

  def test_local_store_strategy
    @cache.with_local_cache do
      @cache.write("name", "value")
      assert_equal "value", @cache.read("name")
      @cache.delete("name")
      assert_nil @cache.read("name")
      @cache.write("name", "value")
    end
    assert_nil @cache.read("name")
  end
end