diff options
Diffstat (limited to 'activesupport/test/cache')
11 files changed, 455 insertions, 14 deletions
diff --git a/activesupport/test/cache/behaviors.rb b/activesupport/test/cache/behaviors.rb index cb08a10bba..745dc09e2c 100644 --- a/activesupport/test/cache/behaviors.rb +++ b/activesupport/test/cache/behaviors.rb @@ -5,5 +5,7 @@ require_relative "behaviors/cache_delete_matched_behavior" require_relative "behaviors/cache_increment_decrement_behavior" require_relative "behaviors/cache_store_behavior" require_relative "behaviors/cache_store_version_behavior" +require_relative "behaviors/connection_pool_behavior" require_relative "behaviors/encoded_key_cache_behavior" +require_relative "behaviors/failure_safety_behavior" require_relative "behaviors/local_cache_behavior" diff --git a/activesupport/test/cache/behaviors/cache_increment_decrement_behavior.rb b/activesupport/test/cache/behaviors/cache_increment_decrement_behavior.rb index 2fa2d7af88..16b7abc679 100644 --- a/activesupport/test/cache/behaviors/cache_increment_decrement_behavior.rb +++ b/activesupport/test/cache/behaviors/cache_increment_decrement_behavior.rb @@ -8,7 +8,9 @@ module CacheIncrementDecrementBehavior assert_equal 2, @cache.read("foo").to_i assert_equal 3, @cache.increment("foo") assert_equal 3, @cache.read("foo").to_i - assert_nil @cache.increment("bar") + + missing = @cache.increment("bar") + assert(missing.nil? || missing == 1) end def test_decrement @@ -18,6 +20,8 @@ module CacheIncrementDecrementBehavior assert_equal 2, @cache.read("foo").to_i assert_equal 1, @cache.decrement("foo") assert_equal 1, @cache.read("foo").to_i - assert_nil @cache.decrement("bar") + + missing = @cache.decrement("bar") + assert(missing.nil? || missing == -1) end end diff --git a/activesupport/test/cache/behaviors/cache_store_behavior.rb b/activesupport/test/cache/behaviors/cache_store_behavior.rb index 582e902f72..ac37ab6e61 100644 --- a/activesupport/test/cache/behaviors/cache_store_behavior.rb +++ b/activesupport/test/cache/behaviors/cache_store_behavior.rb @@ -146,6 +146,16 @@ module CacheStoreBehavior assert_nil @cache.read("foo") end + def test_read_and_write_uncompressed_small_data + @cache.write("foo", "bar", compress: false) + assert_equal "bar", @cache.read("foo") + end + + def test_read_and_write_uncompressed_nil + @cache.write("foo", nil, compress: false) + assert_nil @cache.read("foo") + end + def test_cache_key obj = Object.new def obj.cache_key @@ -164,6 +174,18 @@ module CacheStoreBehavior assert_equal "bar", @cache.read("foo") end + def test_unversioned_cache_key + obj = Object.new + def obj.cache_key + "foo" + end + def obj.cache_key_with_version + "foo-v1" + end + @cache.write(obj, "bar") + assert_equal "bar", @cache.read("foo") + end + def test_array_as_cache_key @cache.write([:fu, "foo"], "bar") assert_equal "bar", @cache.read("fu/foo") @@ -287,8 +309,7 @@ module CacheStoreBehavior end def test_really_long_keys - key = "".dup - 900.times { key << "x" } + key = "x" * 2048 assert @cache.write(key, "bar") assert_equal "bar", @cache.read(key) assert_equal "bar", @cache.fetch(key) diff --git a/activesupport/test/cache/behaviors/connection_pool_behavior.rb b/activesupport/test/cache/behaviors/connection_pool_behavior.rb new file mode 100644 index 0000000000..500d51a134 --- /dev/null +++ b/activesupport/test/cache/behaviors/connection_pool_behavior.rb @@ -0,0 +1,53 @@ +# frozen_string_literal: true + +module ConnectionPoolBehavior + def test_connection_pool + emulating_latency do + begin + cache = ActiveSupport::Cache.lookup_store(store, pool_size: 2, pool_timeout: 1) + cache.clear + + threads = [] + + assert_raises Timeout::Error do + # One of the three threads will fail in 1 second because our pool size + # is only two. + 3.times do + threads << Thread.new do + cache.read("latency") + end + end + + threads.each(&:join) + end + ensure + threads.each(&:kill) + end + end + end + + def test_no_connection_pool + emulating_latency do + begin + cache = ActiveSupport::Cache.lookup_store(store) + cache.clear + + threads = [] + + assert_nothing_raised do + # Default connection pool size is 5, assuming 10 will make sure that + # the connection pool isn't used at all. + 10.times do + threads << Thread.new do + cache.read("latency") + end + end + + threads.each(&:join) + end + ensure + threads.each(&:kill) + end + end + end +end diff --git a/activesupport/test/cache/behaviors/failure_safety_behavior.rb b/activesupport/test/cache/behaviors/failure_safety_behavior.rb new file mode 100644 index 0000000000..53bda4f942 --- /dev/null +++ b/activesupport/test/cache/behaviors/failure_safety_behavior.rb @@ -0,0 +1,91 @@ +# frozen_string_literal: true + +module FailureSafetyBehavior + def test_fetch_read_failure_returns_nil + @cache.write("foo", "bar") + + emulating_unavailability do |cache| + assert_nil cache.fetch("foo") + end + end + + def test_fetch_read_failure_does_not_attempt_to_write + end + + def test_read_failure_returns_nil + @cache.write("foo", "bar") + + emulating_unavailability do |cache| + assert_nil cache.read("foo") + end + end + + def test_read_multi_failure_returns_empty_hash + @cache.write_multi("foo" => "bar", "baz" => "quux") + + emulating_unavailability do |cache| + assert_equal Hash.new, cache.read_multi("foo", "baz") + end + end + + def test_write_failure_returns_false + emulating_unavailability do |cache| + assert_equal false, cache.write("foo", "bar") + end + end + + def test_write_multi_failure_not_raises + emulating_unavailability do |cache| + assert_nothing_raised do + cache.write_multi("foo" => "bar", "baz" => "quux") + end + end + end + + def test_fetch_multi_failure_returns_fallback_results + @cache.write_multi("foo" => "bar", "baz" => "quux") + + emulating_unavailability do |cache| + fetched = cache.fetch_multi("foo", "baz") { |k| "unavailable" } + assert_equal Hash["foo" => "unavailable", "baz" => "unavailable"], fetched + end + end + + def test_delete_failure_returns_false + @cache.write("foo", "bar") + + emulating_unavailability do |cache| + assert_equal false, cache.delete("foo") + end + end + + def test_exist_failure_returns_false + @cache.write("foo", "bar") + + emulating_unavailability do |cache| + assert !cache.exist?("foo") + end + end + + def test_increment_failure_returns_nil + @cache.write("foo", 1, raw: true) + + emulating_unavailability do |cache| + assert_nil cache.increment("foo") + end + end + + def test_decrement_failure_returns_nil + @cache.write("foo", 1, raw: true) + + emulating_unavailability do |cache| + assert_nil cache.decrement("foo") + end + end + + def test_clear_failure_returns_nil + emulating_unavailability do |cache| + assert_nil cache.clear + end + end +end diff --git a/activesupport/test/cache/behaviors/local_cache_behavior.rb b/activesupport/test/cache/behaviors/local_cache_behavior.rb index 8dec8090b1..f7302df4c8 100644 --- a/activesupport/test/cache/behaviors/local_cache_behavior.rb +++ b/activesupport/test/cache/behaviors/local_cache_behavior.rb @@ -20,7 +20,11 @@ module LocalCacheBehavior end def test_cleanup_clears_local_cache_but_not_remote_cache - skip unless @cache.class.instance_methods(false).include?(:cleanup) + begin + @cache.cleanup + rescue NotImplementedError + skip + end @cache.with_local_cache do @cache.write("foo", "bar") diff --git a/activesupport/test/cache/cache_entry_test.rb b/activesupport/test/cache/cache_entry_test.rb index 51b214ad8f..80ff7ad564 100644 --- a/activesupport/test/cache/cache_entry_test.rb +++ b/activesupport/test/cache/cache_entry_test.rb @@ -14,16 +14,23 @@ class CacheEntryTest < ActiveSupport::TestCase end end - def test_compress_values + def test_compressed_values value = "value" * 100 entry = ActiveSupport::Cache::Entry.new(value, compress: true, compress_threshold: 1) assert_equal value, entry.value assert(value.bytesize > entry.size, "value is compressed") end - def test_non_compress_values + def test_compressed_by_default value = "value" * 100 - entry = ActiveSupport::Cache::Entry.new(value) + entry = ActiveSupport::Cache::Entry.new(value, compress_threshold: 1) + assert_equal value, entry.value + assert(value.bytesize > entry.size, "value is compressed") + end + + def test_uncompressed_values + value = "value" * 100 + entry = ActiveSupport::Cache::Entry.new(value, compress: false) assert_equal value, entry.value assert_equal value.bytesize, entry.size end diff --git a/activesupport/test/cache/cache_store_write_multi_test.rb b/activesupport/test/cache/cache_store_write_multi_test.rb index 5b6fd678c5..7d606e3f7b 100644 --- a/activesupport/test/cache/cache_store_write_multi_test.rb +++ b/activesupport/test/cache/cache_store_write_multi_test.rb @@ -19,7 +19,7 @@ end class CacheStoreWriteMultiInstrumentationTest < ActiveSupport::TestCase setup do - @cache = ActiveSupport::Cache.lookup_store(:null_store) + @cache = ActiveSupport::Cache.lookup_store(:memory_store) end test "instrumentation" do @@ -35,15 +35,15 @@ class CacheStoreWriteMultiInstrumentationTest < ActiveSupport::TestCase end test "instrumentation with fetch_multi as super operation" do - skip "fetch_multi isn't instrumented yet" + @cache.write("b", "bb") - events = with_instrumentation "write_multi" do + events = with_instrumentation "read_multi" do @cache.fetch_multi("a", "b") { |key| key * 2 } end - assert_equal %w[ cache_write_multi.active_support ], events.map(&:name) - assert_nil events[0].payload[:super_operation] - assert !events[0].payload[:hit] + assert_equal %w[ cache_read_multi.active_support ], events.map(&:name) + assert_equal :fetch_multi, events[0].payload[:super_operation] + assert_equal ["b"], events[0].payload[:hits] end private diff --git a/activesupport/test/cache/stores/file_store_test.rb b/activesupport/test/cache/stores/file_store_test.rb index 391ab60b3a..66231b0a82 100644 --- a/activesupport/test/cache/stores/file_store_test.rb +++ b/activesupport/test/cache/stores/file_store_test.rb @@ -118,6 +118,7 @@ class FileStoreTest < ActiveSupport::TestCase assert_not @cache.exist?("foo") assert @cache.exist?("baz") assert @cache.exist?("quux") + assert_equal 2, Dir.glob(File.join(cache_dir, "**")).size end end diff --git a/activesupport/test/cache/stores/mem_cache_store_test.rb b/activesupport/test/cache/stores/mem_cache_store_test.rb index 1b73fb65eb..3e2316f217 100644 --- a/activesupport/test/cache/stores/mem_cache_store_test.rb +++ b/activesupport/test/cache/stores/mem_cache_store_test.rb @@ -5,6 +5,24 @@ require "active_support/cache" require_relative "../behaviors" require "dalli" +# Emulates a latency on Dalli's back-end for the key latency to facilitate +# connection pool testing. +class SlowDalliClient < Dalli::Client + def get(key, options = {}) + if key =~ /latency/ + sleep 3 + else + super + end + end +end + +class UnavailableDalliServer < Dalli::Server + def alive? + false + end +end + class MemCacheStoreTest < ActiveSupport::TestCase begin ss = Dalli::Client.new("localhost:11211").stats @@ -33,6 +51,8 @@ class MemCacheStoreTest < ActiveSupport::TestCase include CacheIncrementDecrementBehavior include EncodedKeyCacheBehavior include AutoloadingCacheBehavior + include ConnectionPoolBehavior + include FailureSafetyBehavior def test_raw_values cache = ActiveSupport::Cache.lookup_store(:mem_cache_store, raw: true) @@ -57,6 +77,22 @@ class MemCacheStoreTest < ActiveSupport::TestCase end end + def test_increment_expires_in + cache = ActiveSupport::Cache.lookup_store(:mem_cache_store, raw: true) + cache.clear + assert_called_with cache.instance_variable_get(:@data), :incr, [ "foo", 1, 60 ] do + cache.increment("foo", 1, expires_in: 60) + end + end + + def test_decrement_expires_in + cache = ActiveSupport::Cache.lookup_store(:mem_cache_store, raw: true) + cache.clear + assert_called_with cache.instance_variable_get(:@data), :decr, [ "foo", 1, 60 ] do + cache.decrement("foo", 1, expires_in: 60) + end + end + def test_local_cache_raw_values_with_marshal cache = ActiveSupport::Cache.lookup_store(:mem_cache_store, raw: true) cache.clear @@ -73,4 +109,30 @@ class MemCacheStoreTest < ActiveSupport::TestCase value << "bingo" assert_not_equal value, @cache.read("foo") end + + private + + def store + :mem_cache_store + end + + def emulating_latency + old_client = Dalli.send(:remove_const, :Client) + Dalli.const_set(:Client, SlowDalliClient) + + yield + ensure + Dalli.send(:remove_const, :Client) + Dalli.const_set(:Client, old_client) + end + + def emulating_unavailability + old_server = Dalli.send(:remove_const, :Server) + Dalli.const_set(:Server, UnavailableDalliServer) + + yield ActiveSupport::Cache::MemCacheStore.new + ensure + Dalli.send(:remove_const, :Server) + Dalli.const_set(:Server, old_server) + end end diff --git a/activesupport/test/cache/stores/redis_cache_store_test.rb b/activesupport/test/cache/stores/redis_cache_store_test.rb new file mode 100644 index 0000000000..7c1286a115 --- /dev/null +++ b/activesupport/test/cache/stores/redis_cache_store_test.rb @@ -0,0 +1,196 @@ +# frozen_string_literal: true + +require "abstract_unit" +require "active_support/cache" +require "active_support/cache/redis_cache_store" +require_relative "../behaviors" + +module ActiveSupport::Cache::RedisCacheStoreTests + DRIVER = %w[ ruby hiredis ].include?(ENV["REDIS_DRIVER"]) ? ENV["REDIS_DRIVER"] : "hiredis" + + # Emulates a latency on Redis's back-end for the key latency to facilitate + # connection pool testing. + class SlowRedis < Redis + def get(key, options = {}) + if key =~ /latency/ + sleep 3 + else + super + end + end + end + + class LookupTest < ActiveSupport::TestCase + test "may be looked up as :redis_cache_store" do + assert_kind_of ActiveSupport::Cache::RedisCacheStore, + ActiveSupport::Cache.lookup_store(:redis_cache_store) + end + end + + class InitializationTest < ActiveSupport::TestCase + test "omitted URL uses Redis client with default settings" do + assert_called_with Redis, :new, [ + url: nil, + connect_timeout: 20, read_timeout: 1, write_timeout: 1, + reconnect_attempts: 0, driver: DRIVER + ] do + build + end + end + + test "no URLs uses Redis client with default settings" do + assert_called_with Redis, :new, [ + url: nil, + connect_timeout: 20, read_timeout: 1, write_timeout: 1, + reconnect_attempts: 0, driver: DRIVER + ] do + build url: [] + end + end + + test "singular URL uses Redis client" do + assert_called_with Redis, :new, [ + url: "redis://localhost:6379/0", + connect_timeout: 20, read_timeout: 1, write_timeout: 1, + reconnect_attempts: 0, driver: DRIVER + ] do + build url: "redis://localhost:6379/0" + end + end + + test "one URL uses Redis client" do + assert_called_with Redis, :new, [ + url: "redis://localhost:6379/0", + connect_timeout: 20, read_timeout: 1, write_timeout: 1, + reconnect_attempts: 0, driver: DRIVER + ] do + build url: %w[ redis://localhost:6379/0 ] + end + end + + test "multiple URLs uses Redis::Distributed client" do + assert_called_with Redis, :new, [ + [ url: "redis://localhost:6379/0", + connect_timeout: 20, read_timeout: 1, write_timeout: 1, + reconnect_attempts: 0, driver: DRIVER ], + [ url: "redis://localhost:6379/1", + connect_timeout: 20, read_timeout: 1, write_timeout: 1, + reconnect_attempts: 0, driver: DRIVER ], + ], returns: Redis.new do + @cache = build url: %w[ redis://localhost:6379/0 redis://localhost:6379/1 ] + assert_kind_of ::Redis::Distributed, @cache.redis + end + end + + test "block argument uses yielded client" do + block = -> { :custom_redis_client } + assert_called block, :call do + build redis: block + end + end + + private + def build(**kwargs) + ActiveSupport::Cache::RedisCacheStore.new(driver: DRIVER, **kwargs).tap do |cache| + cache.redis + end + end + end + + class StoreTest < ActiveSupport::TestCase + setup do + @namespace = "namespace" + + @cache = ActiveSupport::Cache::RedisCacheStore.new(timeout: 0.1, namespace: @namespace, expires_in: 60, driver: DRIVER) + # @cache.logger = Logger.new($stdout) # For test debugging + + # For LocalCacheBehavior tests + @peek = ActiveSupport::Cache::RedisCacheStore.new(timeout: 0.1, namespace: @namespace, driver: DRIVER) + end + + teardown do + @cache.clear + @cache.redis.disconnect! + end + end + + class RedisCacheStoreCommonBehaviorTest < StoreTest + include CacheStoreBehavior + include CacheStoreVersionBehavior + include LocalCacheBehavior + include CacheIncrementDecrementBehavior + include AutoloadingCacheBehavior + end + + class RedisCacheStoreConnectionPoolBehaviourTest < StoreTest + include ConnectionPoolBehavior + + private + + def store + :redis_cache_store + end + + def emulating_latency + old_redis = Object.send(:remove_const, :Redis) + Object.const_set(:Redis, SlowRedis) + + yield + ensure + Object.send(:remove_const, :Redis) + Object.const_set(:Redis, old_redis) + end + end + + # Separate test class so we can omit the namespace which causes expected, + # appropriate complaints about incompatible string encodings. + class KeyEncodingSafetyTest < StoreTest + include EncodedKeyCacheBehavior + + setup do + @cache = ActiveSupport::Cache::RedisCacheStore.new(timeout: 0.1, driver: DRIVER) + @cache.logger = nil + end + end + + class StoreAPITest < StoreTest + end + + class UnavailableRedisClient < Redis::Client + def ensure_connected + raise Redis::BaseConnectionError + end + end + + class FailureSafetyTest < StoreTest + include FailureSafetyBehavior + + private + + def emulating_unavailability + old_client = Redis.send(:remove_const, :Client) + Redis.const_set(:Client, UnavailableRedisClient) + + yield ActiveSupport::Cache::RedisCacheStore.new + ensure + Redis.send(:remove_const, :Client) + Redis.const_set(:Client, old_client) + end + end + + class DeleteMatchedTest < StoreTest + test "deletes keys matching glob" do + @cache.write("foo", "bar") + @cache.write("fu", "baz") + @cache.delete_matched("foo*") + assert !@cache.exist?("foo") + assert @cache.exist?("fu") + end + + test "fails with regexp matchers" do + assert_raise ArgumentError do + @cache.delete_matched(/OO/i) + end + end + end +end |