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authorschneems <richard.schneeman+foo@gmail.com>2018-09-20 13:56:07 -0500
committerschneems <richard.schneeman+foo@gmail.com>2018-09-20 15:31:38 -0500
commit135d3e15b72b9820212027b057df8980140a947b (patch)
tree3d2b41d17c4603aced3a9d414af27327b95e2229 /railties/test
parentb45b96b91fc62e7488002cb05c96ec78577f7873 (diff)
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[close #33907] Error when using "recyclable" cache keys with a store that does not support it
If you are using the "in cache versioning" also known as "recyclable cache keys" the cache store must be aware of this scheme, otherwise you will generate cache entries that never invalidate. This PR adds a check to the initialization process to ensure that if recyclable cache keys are being used via ``` config.active_record.cache_versioning = true ``` Then the cache store needs to show that it supports this versioning scheme. Cache stores can let Rails know that they support this scheme by adding a method `supports_in_cache_versioning?` and returning true.
Diffstat (limited to 'railties/test')
-rw-r--r--railties/test/application/configuration_test.rb12
1 files changed, 12 insertions, 0 deletions
diff --git a/railties/test/application/configuration_test.rb b/railties/test/application/configuration_test.rb
index 11cd6dd1e6..386b4f76e6 100644
--- a/railties/test/application/configuration_test.rb
+++ b/railties/test/application/configuration_test.rb
@@ -124,6 +124,18 @@ module ApplicationTests
assert_equal "MyLogger", Rails.application.config.logger.class.name
end
+ test "raises an error if cache does not support recyclable cache keys" do
+ build_app(initializers: true)
+ add_to_env_config "production", "config.cache_store = Class.new {}.new"
+ add_to_env_config "production", "config.active_record.cache_versioning = true"
+
+ error = assert_raise(RuntimeError) do
+ app "production"
+ end
+
+ assert_match(/You're using a cache store/, error.message)
+ end
+
test "a renders exception on pending migration" do
add_to_config <<-RUBY
config.active_record.migration_error = :page_load