require 'abstract_unit' class CacheKeyTest < Test::Unit::TestCase def test_expand_cache_key assert_equal 'name/1/2/true', ActiveSupport::Cache.expand_cache_key([1, '2', true], :name) end end class CacheStoreSettingTest < Test::Unit::TestCase def test_file_fragment_cache_store store = ActiveSupport::Cache.lookup_store :file_store, "/path/to/cache/directory" assert_kind_of(ActiveSupport::Cache::FileStore, store) assert_equal "/path/to/cache/directory", store.cache_path end def test_drb_fragment_cache_store store = ActiveSupport::Cache.lookup_store :drb_store, "druby://localhost:9192" assert_kind_of(ActiveSupport::Cache::DRbStore, store) assert_equal "druby://localhost:9192", store.address end def test_mem_cache_fragment_cache_store store = ActiveSupport::Cache.lookup_store :mem_cache_store, "localhost" assert_kind_of(ActiveSupport::Cache::MemCacheStore, store) assert_equal %w(localhost), store.addresses end def test_mem_cache_fragment_cache_store_with_multiple_servers store = ActiveSupport::Cache.lookup_store :mem_cache_store, "localhost", '192.168.1.1' assert_kind_of(ActiveSupport::Cache::MemCacheStore, store) assert_equal %w(localhost 192.168.1.1), store.addresses end def test_mem_cache_fragment_cache_store_with_options store = ActiveSupport::Cache.lookup_store :mem_cache_store, "localhost", '192.168.1.1', :namespace => 'foo' assert_kind_of(ActiveSupport::Cache::MemCacheStore, store) assert_equal %w(localhost 192.168.1.1), store.addresses assert_equal 'foo', store.instance_variable_get('@data').instance_variable_get('@namespace') end def test_object_assigned_fragment_cache_store store = ActiveSupport::Cache.lookup_store ActiveSupport::Cache::FileStore.new("/path/to/cache/directory") assert_kind_of(ActiveSupport::Cache::FileStore, store) assert_equal "/path/to/cache/directory", store.cache_path end end class CacheStoreTest < Test::Unit::TestCase def setup @cache = ActiveSupport::Cache.lookup_store(:memory_store) end def test_fetch_without_cache_miss @cache.stubs(:read).with('foo', {}).returns('bar') @cache.expects(:write).never assert_equal 'bar', @cache.fetch('foo') { 'baz' } end def test_fetch_with_cache_miss @cache.stubs(:read).with('foo', {}).returns(nil) @cache.expects(:write).with('foo', 'baz', {}) assert_equal 'baz', @cache.fetch('foo') { 'baz' } end def test_fetch_with_forced_cache_miss @cache.expects(:read).never @cache.expects(:write).with('foo', 'bar', :force => true) @cache.fetch('foo', :force => true) { 'bar' } end end # Tests the base functionality that should be identical across all cache stores. module CacheStoreBehavior def test_should_read_and_write_strings @cache.write('foo', 'bar') assert_equal 'bar', @cache.read('foo') end def test_should_read_and_write_hash @cache.write('foo', {:a => "b"}) assert_equal({:a => "b"}, @cache.read('foo')) end def test_should_read_and_write_nil @cache.write('foo', nil) assert_equal nil, @cache.read('foo') end def test_fetch_without_cache_miss @cache.write('foo', 'bar') assert_equal 'bar', @cache.fetch('foo') { 'baz' } end def test_fetch_with_cache_miss assert_equal 'baz', @cache.fetch('foo') { 'baz' } end def test_fetch_with_forced_cache_miss @cache.fetch('foo', :force => true) { 'bar' } end def test_increment @cache.write('foo', 1, :raw => true) assert_equal 1, @cache.read('foo', :raw => true).to_i assert_equal 2, @cache.increment('foo') assert_equal 2, @cache.read('foo', :raw => true).to_i assert_equal 3, @cache.increment('foo') assert_equal 3, @cache.read('foo', :raw => true).to_i end def test_decrement @cache.write('foo', 3, :raw => true) assert_equal 3, @cache.read('foo', :raw => true).to_i assert_equal 2, @cache.decrement('foo') assert_equal 2, @cache.read('foo', :raw => true).to_i assert_equal 1, @cache.decrement('foo') assert_equal 1, @cache.read('foo', :raw => true).to_i end end class FileStoreTest < Test::Unit::TestCase def setup @cache = ActiveSupport::Cache.lookup_store(:file_store, Dir.pwd) end def teardown File.delete("foo.cache") end include CacheStoreBehavior end class MemoryStoreTest < Test::Unit::TestCase def setup @cache = ActiveSupport::Cache.lookup_store(:memory_store) end include CacheStoreBehavior def test_store_objects_should_be_immutable @cache.write('foo', 'bar') assert_raise(ActiveSupport::FrozenObjectError) { @cache.read('foo').gsub!(/.*/, 'baz') } assert_equal 'bar', @cache.read('foo') end end uses_memcached 'memcached backed store' do class MemCacheStoreTest < Test::Unit::TestCase def setup @cache = ActiveSupport::Cache.lookup_store(:mem_cache_store) @cache.clear end include CacheStoreBehavior def test_store_objects_should_be_immutable @cache.write('foo', 'bar') @cache.read('foo').gsub!(/.*/, 'baz') assert_equal 'bar', @cache.read('foo') end def test_write_should_return_true_on_success result = @cache.write('foo', 'bar') assert_equal 'bar', @cache.read('foo') # make sure 'foo' was written assert result end end class CompressedMemCacheStore < Test::Unit::TestCase def setup @cache = ActiveSupport::Cache.lookup_store(:compressed_mem_cache_store) @cache.clear end include CacheStoreBehavior end end