diff options
Diffstat (limited to 'activesupport')
-rw-r--r-- | activesupport/lib/active_support/cache.rb | 72 | ||||
-rw-r--r-- | activesupport/test/caching_test.rb | 31 |
2 files changed, 51 insertions, 52 deletions
diff --git a/activesupport/lib/active_support/cache.rb b/activesupport/lib/active_support/cache.rb index 6bfac15289..2368e5ebd4 100644 --- a/activesupport/lib/active_support/cache.rb +++ b/activesupport/lib/active_support/cache.rb @@ -522,7 +522,7 @@ module ActiveSupport def handle_expired_entry(entry, key, options) if entry && entry.expired? race_ttl = options[:race_condition_ttl].to_i - if race_ttl && (Time.now - entry.expires_at <= race_ttl) + if race_ttl && (Time.now.to_f - entry.expires_at <= race_ttl) # When an entry has :race_condition_ttl defined, put the stale entry back into the cache # for a brief period while the entry is begin recalculated. entry.expires_at = Time.now + race_ttl @@ -562,38 +562,38 @@ module ActiveSupport # +:compress+, +:compress_threshold+, and +:expires_in+. def initialize(value, options = {}) if should_compress?(value, options) - @v = compress(value) - @c = true + @value = compress(value) + @compressed = true else - @v = value - end - if expires_in = options[:expires_in] - @x = (Time.now + expires_in).to_i + @value = value end + @created_at = Time.now.to_f + @expires_in = options[:expires_in] + @expires_in = @expires_in.to_f if @expires_in end def value - convert_version_3_entry! if defined?(@value) - compressed? ? uncompress(@v) : @v + convert_version_4beta1_entry! if defined?(@v) + compressed? ? uncompress(@value) : @value end # Check if the entry is expired. The +expires_in+ parameter can override # the value set when the entry was created. def expired? - convert_version_3_entry! if defined?(@value) - if defined?(@x) - @x && @x < Time.now.to_i - else - false - end + convert_version_4beta1_entry! if defined?(@value) + @expires_in && @created_at + @expires_in <= Time.now.to_f end def expires_at - Time.at(@x) if defined?(@x) + @expires_in ? @created_at + @expires_in : nil end def expires_at=(value) - @x = value.to_i + if value + @expires_in = value.to_f - @created_at + else + @expires_in = nil + end end # Returns the size of the cached value. This could be less than @@ -606,9 +606,9 @@ module ActiveSupport when NilClass 0 when String - @v.bytesize + @value.bytesize else - @s = Marshal.dump(@v).bytesize + @s = Marshal.dump(@value).bytesize end end end @@ -616,12 +616,12 @@ module ActiveSupport # Duplicate the value in a class. This is used by cache implementations that don't natively # serialize entries to protect against accidental cache modifications. def dup_value! - convert_version_3_entry! if defined?(@value) - if @v && !compressed? && !(@v.is_a?(Numeric) || @v == true || @v == false) - if @v.is_a?(String) - @v = @v.dup + convert_version_4beta1_entry! if defined?(@v) + if @value && !compressed? && !(@value.is_a?(Numeric) || @value == true || @value == false) + if @value.is_a?(String) + @value = @value.dup else - @v = Marshal.load(Marshal.dump(@v)) + @value = Marshal.load(Marshal.dump(@value)) end end end @@ -637,7 +637,7 @@ module ActiveSupport end def compressed? - defined?(@c) ? @c : false + defined?(@compressed) ? @compressed : false end def compress(value) @@ -650,19 +650,19 @@ module ActiveSupport # The internals of this method changed between Rails 3.x and 4.0. This method provides the glue # to ensure that cache entries created under the old version still work with the new class definition. - def convert_version_3_entry! - if defined?(@value) - @v = @value - remove_instance_variable(:@value) + def convert_version_4beta1_entry! + if defined?(@v) + @value = @v + remove_instance_variable(:@v) end - if defined?(@compressed) - @c = @compressed - remove_instance_variable(:@compressed) + if defined?(@c) + @compressed = @c + remove_instance_variable(:@c) end - if defined?(@expires_in) && defined?(@created_at) && @expires_in && @created_at - @x = (@created_at + @expires_in).to_i - remove_instance_variable(:@created_at) - remove_instance_variable(:@expires_in) + if defined?(@x) && @x + @created_at ||= Time.now.to_f + @expires_in = @x - @created_at + remove_instance_variable(:@x) end end end diff --git a/activesupport/test/caching_test.rb b/activesupport/test/caching_test.rb index 571be5f296..bcc200cf33 100644 --- a/activesupport/test/caching_test.rb +++ b/activesupport/test/caching_test.rb @@ -943,29 +943,28 @@ class CacheEntryTest < ActiveSupport::TestCase assert_equal value.bytesize, entry.size end - def test_restoring_version_3_entries - version_3_entry = ActiveSupport::Cache::Entry.allocate - version_3_entry.instance_variable_set(:@value, "hello") - version_3_entry.instance_variable_set(:@created_at, Time.now - 60) - entry = Marshal.load(Marshal.dump(version_3_entry)) + def test_restoring_version_4beta1_entries + version_4beta1_entry = ActiveSupport::Cache::Entry.allocate + version_4beta1_entry.instance_variable_set(:@v, "hello") + version_4beta1_entry.instance_variable_set(:@x, Time.now.to_i + 60) + entry = Marshal.load(Marshal.dump(version_4beta1_entry)) assert_equal "hello", entry.value assert_equal false, entry.expired? end - def test_restoring_compressed_version_3_entries - version_3_entry = ActiveSupport::Cache::Entry.allocate - version_3_entry.instance_variable_set(:@value, Zlib::Deflate.deflate(Marshal.dump("hello"))) - version_3_entry.instance_variable_set(:@compressed, true) - entry = Marshal.load(Marshal.dump(version_3_entry)) + def test_restoring_compressed_version_4beta1_entries + version_4beta1_entry = ActiveSupport::Cache::Entry.allocate + version_4beta1_entry.instance_variable_set(:@v, Zlib::Deflate.deflate(Marshal.dump("hello"))) + version_4beta1_entry.instance_variable_set(:@c, true) + entry = Marshal.load(Marshal.dump(version_4beta1_entry)) assert_equal "hello", entry.value end - def test_restoring_expired_version_3_entries - version_3_entry = ActiveSupport::Cache::Entry.allocate - version_3_entry.instance_variable_set(:@value, "hello") - version_3_entry.instance_variable_set(:@created_at, Time.now - 60) - version_3_entry.instance_variable_set(:@expires_in, 58.9) - entry = Marshal.load(Marshal.dump(version_3_entry)) + def test_restoring_expired_version_4beta1_entries + version_4beta1_entry = ActiveSupport::Cache::Entry.allocate + version_4beta1_entry.instance_variable_set(:@v, "hello") + version_4beta1_entry.instance_variable_set(:@x, Time.now.to_i - 1) + entry = Marshal.load(Marshal.dump(version_4beta1_entry)) assert_equal "hello", entry.value assert_equal true, entry.expired? end |