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require "abstract_unit"
require "active_support/cache"
require_relative "../behaviors"
require "pathname"
class FileStoreTest < ActiveSupport::TestCase
def setup
Dir.mkdir(cache_dir) unless File.exist?(cache_dir)
@cache = ActiveSupport::Cache.lookup_store(:file_store, cache_dir, expires_in: 60)
@peek = ActiveSupport::Cache.lookup_store(:file_store, cache_dir, expires_in: 60)
@cache_with_pathname = ActiveSupport::Cache.lookup_store(:file_store, Pathname.new(cache_dir), expires_in: 60)
@buffer = StringIO.new
@cache.logger = ActiveSupport::Logger.new(@buffer)
end
def teardown
FileUtils.rm_r(cache_dir)
rescue Errno::ENOENT
end
def cache_dir
File.join(Dir.pwd, "tmp_cache")
end
include CacheStoreBehavior
include CacheStoreVersionBehavior
include LocalCacheBehavior
include CacheDeleteMatchedBehavior
include CacheIncrementDecrementBehavior
include AutoloadingCacheBehavior
def test_clear
gitkeep = File.join(cache_dir, ".gitkeep")
keep = File.join(cache_dir, ".keep")
FileUtils.touch([gitkeep, keep])
@cache.clear
assert File.exist?(gitkeep)
assert File.exist?(keep)
end
def test_clear_without_cache_dir
FileUtils.rm_r(cache_dir)
@cache.clear
end
def test_long_uri_encoded_keys
@cache.write("%" * 870, 1)
assert_equal 1, @cache.read("%" * 870)
end
def test_key_transformation
key = @cache.send(:normalize_key, "views/index?id=1", {})
assert_equal "views/index?id=1", @cache.send(:file_path_key, key)
end
def test_key_transformation_with_pathname
FileUtils.touch(File.join(cache_dir, "foo"))
key = @cache_with_pathname.send(:normalize_key, "views/index?id=1", {})
assert_equal "views/index?id=1", @cache_with_pathname.send(:file_path_key, key)
end
# Test that generated cache keys are short enough to have Tempfile stuff added to them and
# remain valid
def test_filename_max_size
key = "#{'A' * ActiveSupport::Cache::FileStore::FILENAME_MAX_SIZE}"
path = @cache.send(:normalize_key, key, {})
Dir::Tmpname.create(path) do |tmpname, n, opts|
assert File.basename(tmpname + ".lock").length <= 255, "Temp filename too long: #{File.basename(tmpname + '.lock').length}"
end
end
# Because file systems have a maximum filename size, filenames > max size should be split in to directories
# If filename is 'AAAAB', where max size is 4, the returned path should be AAAA/B
def test_key_transformation_max_filename_size
key = "#{'A' * ActiveSupport::Cache::FileStore::FILENAME_MAX_SIZE}B"
path = @cache.send(:normalize_key, key, {})
assert path.split("/").all? { |dir_name| dir_name.size <= ActiveSupport::Cache::FileStore::FILENAME_MAX_SIZE }
assert_equal "B", File.basename(path)
end
# If nothing has been stored in the cache, there is a chance the cache directory does not yet exist
# Ensure delete_matched gracefully handles this case
def test_delete_matched_when_cache_directory_does_not_exist
assert_nothing_raised do
ActiveSupport::Cache::FileStore.new("/test/cache/directory").delete_matched(/does_not_exist/)
end
end
def test_delete_does_not_delete_empty_parent_dir
sub_cache_dir = File.join(cache_dir, "subdir/")
sub_cache_store = ActiveSupport::Cache::FileStore.new(sub_cache_dir)
assert_nothing_raised do
assert sub_cache_store.write("foo", "bar")
assert sub_cache_store.delete("foo")
end
assert File.exist?(cache_dir), "Parent of top level cache dir was deleted!"
assert File.exist?(sub_cache_dir), "Top level cache dir was deleted!"
assert Dir.entries(sub_cache_dir).reject { |f| ActiveSupport::Cache::FileStore::EXCLUDED_DIRS.include?(f) }.empty?
end
def test_log_exception_when_cache_read_fails
File.stub(:exist?, -> { raise StandardError.new("failed") }) do
@cache.send(:read_entry, "winston", {})
assert @buffer.string.present?
end
end
def test_cleanup_removes_all_expired_entries
time = Time.now
@cache.write("foo", "bar", expires_in: 10)
@cache.write("baz", "qux")
@cache.write("quux", "corge", expires_in: 20)
Time.stub(:now, time + 15) do
@cache.cleanup
assert_not @cache.exist?("foo")
assert @cache.exist?("baz")
assert @cache.exist?("quux")
end
end
def test_write_with_unless_exist
assert_equal true, @cache.write(1, "aaaaaaaaaa")
assert_equal false, @cache.write(1, "aaaaaaaaaa", unless_exist: true)
@cache.write(1, nil)
assert_equal false, @cache.write(1, "aaaaaaaaaa", unless_exist: true)
end
end
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