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require_relative 'test_helper'
require 'rack/cache/storage'
describe Rack::Cache::Storage do
before do
@storage = Rack::Cache::Storage.new
end
it "fails when an unknown URI scheme is provided" do
lambda { @storage.resolve_metastore_uri('foo:/') }.must_raise
end
it "passes options to the underlying stores" do
@storage
.resolve_metastore_uri('heap:/', foo: 'bar')
.instance_variable_get('@options')[:foo]
.must_equal('bar')
@storage
.resolve_entitystore_uri('heap:/', foo: 'bar')
.instance_variable_get('@options')[:foo]
.must_equal('bar')
end
it "creates a new MetaStore for URI if none exists" do
@storage.resolve_metastore_uri('heap:/').
must_be_kind_of Rack::Cache::MetaStore
end
it "returns an existing MetaStore instance for URI that exists" do
store = @storage.resolve_metastore_uri('heap:/')
@storage.resolve_metastore_uri('heap:/').must_equal store
end
it "creates a new EntityStore for URI if none exists" do
@storage.resolve_entitystore_uri('heap:/').
must_be_kind_of Rack::Cache::EntityStore
end
it "returns an existing EntityStore instance for URI that exists" do
store = @storage.resolve_entitystore_uri('heap:/')
@storage.resolve_entitystore_uri('heap:/').must_equal store
end
it "clears all URI -> store mappings with #clear" do
meta = @storage.resolve_metastore_uri('heap:/')
entity = @storage.resolve_entitystore_uri('heap:/')
@storage.clear
@storage.resolve_metastore_uri('heap:/').object_id.wont_equal meta.object_id
@storage.resolve_entitystore_uri('heap:/').object_id.wont_equal entity.object_id
end
describe 'Noop Store URIs' do
it "resolves Noop meta store URIs" do
@storage.resolve_entitystore_uri('noop:/').
must_be_kind_of Rack::Cache::EntityStore::Noop
end
end
describe 'Heap Store URIs' do
%w[heap:/ mem:/].each do |uri|
it "resolves #{uri} meta store URIs" do
@storage.resolve_metastore_uri(uri).
must_be_kind_of Rack::Cache::MetaStore
end
it "resolves #{uri} entity store URIs" do
@storage.resolve_entitystore_uri(uri).
must_be_kind_of Rack::Cache::EntityStore
end
end
end
describe 'Disk Store URIs' do
before do
@temp_dir = create_temp_directory
end
after do
remove_entry_secure @temp_dir
@temp_dir = nil
end
%w[file: disk:].each do |uri|
it "resolves #{uri} meta store URIs" do
@storage.resolve_metastore_uri(uri + @temp_dir).
must_be_kind_of Rack::Cache::MetaStore
end
it "resolves #{uri} entity store URIs" do
@storage.resolve_entitystore_uri(uri + @temp_dir).
must_be_kind_of Rack::Cache::EntityStore
end
end
end
if have_memcached?
describe 'MemCache Store URIs' do
%w[memcache: memcached:].each do |scheme|
it "resolves #{scheme} meta store URIs" do
uri = scheme + '//' + ENV['MEMCACHED']
@storage.resolve_metastore_uri(uri).
must_be_kind_of Rack::Cache::MetaStore
end
it "resolves #{scheme} entity store URIs" do
uri = scheme + '//' + ENV['MEMCACHED']
@storage.resolve_entitystore_uri(uri).
must_be_kind_of Rack::Cache::EntityStore
end
end
it 'supports namespaces in memcached: URIs' do
uri = "memcached://" + ENV['MEMCACHED'] + "/namespace"
@storage.resolve_metastore_uri(uri).
must_be_kind_of Rack::Cache::MetaStore
end
end
end
end
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