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require 'abstract_unit'
class CacheKeyTest < ActiveSupport::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 < ActiveSupport::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 < ActiveSupport::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
def test_exist
@cache.write('foo', 'bar')
assert @cache.exist?('foo')
assert !@cache.exist?('bar')
end
end
class FileStoreTest < ActiveSupport::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 < ActiveSupport::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 < ActiveSupport::TestCase
def setup
@cache = ActiveSupport::Cache.lookup_store(:mem_cache_store)
@data = @cache.instance_variable_get(:@data)
@cache.clear
end
include CacheStoreBehavior
def test_store_objects_should_be_immutable
with_local_cache do
@cache.write('foo', 'bar')
@cache.read('foo').gsub!(/.*/, 'baz')
assert_equal 'bar', @cache.read('foo')
end
end
def test_write_should_return_true_on_success
with_local_cache do
result = @cache.write('foo', 'bar')
assert_equal 'bar', @cache.read('foo') # make sure 'foo' was written
assert result
end
end
def test_local_writes_are_persistent_on_the_remote_cache
with_local_cache do
@cache.write('foo', 'bar')
end
assert_equal 'bar', @cache.read('foo')
end
def test_clear_also_clears_local_cache
with_local_cache do
@cache.write('foo', 'bar')
@cache.clear
assert_nil @cache.read('foo')
end
end
def test_local_cache_of_read_and_write
with_local_cache do
@cache.write('foo', 'bar')
@data.flush_all # Clear remote cache
assert_equal 'bar', @cache.read('foo')
end
end
def test_local_cache_of_delete
with_local_cache do
@cache.write('foo', 'bar')
@cache.delete('foo')
@data.flush_all # Clear remote cache
assert_nil @cache.read('foo')
end
end
def test_local_cache_of_exist
with_local_cache do
@cache.write('foo', 'bar')
@cache.instance_variable_set(:@data, nil)
@data.flush_all # Clear remote cache
assert @cache.exist?('foo')
end
end
def test_local_cache_of_increment
with_local_cache do
@cache.write('foo', 1, :raw => true)
@cache.increment('foo')
@data.flush_all # Clear remote cache
assert_equal 2, @cache.read('foo', :raw => true).to_i
end
end
def test_local_cache_of_decrement
with_local_cache do
@cache.write('foo', 1, :raw => true)
@cache.decrement('foo')
@data.flush_all # Clear remote cache
assert_equal 0, @cache.read('foo', :raw => true).to_i
end
end
def test_exist_with_nulls_cached_locally
with_local_cache do
@cache.write('foo', 'bar')
@cache.delete('foo')
assert !@cache.exist?('foo')
end
end
private
def with_local_cache
Thread.current[ActiveSupport::Cache::MemCacheStore::THREAD_LOCAL_KEY] = ActiveSupport::Cache::MemoryStore.new
yield
ensure
Thread.current[ActiveSupport::Cache::MemCacheStore::THREAD_LOCAL_KEY] = nil
end
end
class CompressedMemCacheStore < ActiveSupport::TestCase
def setup
@cache = ActiveSupport::Cache.lookup_store(:compressed_mem_cache_store)
@cache.clear
end
include CacheStoreBehavior
end
end
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