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require 'abstract_unit'
require 'active_support/core_ext/marshal'
require 'dependecies_test_helpers'
class MarshalTest < ActiveSupport::TestCase
include ActiveSupport::Testing::Isolation
include DependeciesTestHelpers
def teardown
ActiveSupport::Dependencies.clear
remove_constants(:E, :ClassFolder)
end
test "that Marshal#load still works" do
sanity_data = ["test", [1, 2, 3], {a: [1, 2, 3]}, ActiveSupport::TestCase]
sanity_data.each do |obj|
dumped = Marshal.dump(obj)
assert_equal Marshal.load_without_autoloading(dumped), Marshal.load(dumped)
end
end
test "that a missing class is autoloaded from string" do
dumped = nil
with_autoloading_fixtures do
dumped = Marshal.dump(E.new)
end
remove_constants(:E)
ActiveSupport::Dependencies.clear
with_autoloading_fixtures do
assert_kind_of E, Marshal.load(dumped)
end
end
test "that classes in sub modules work" do
dumped = nil
with_autoloading_fixtures do
dumped = Marshal.dump(ClassFolder::ClassFolderSubclass.new)
end
remove_constants(:ClassFolder)
ActiveSupport::Dependencies.clear
with_autoloading_fixtures do
assert_kind_of ClassFolder::ClassFolderSubclass, Marshal.load(dumped)
end
end
test "that more than one missing class is autoloaded" do
dumped = nil
with_autoloading_fixtures do
dumped = Marshal.dump([E.new, ClassFolder.new])
end
remove_constants(:E, :ClassFolder)
ActiveSupport::Dependencies.clear
with_autoloading_fixtures do
loaded = Marshal.load(dumped)
assert_equal 2, loaded.size
assert_kind_of E, loaded[0]
assert_kind_of ClassFolder, loaded[1]
end
end
test "that a real missing class is causing an exception" do
dumped = nil
with_autoloading_fixtures do
dumped = Marshal.dump(E.new)
end
remove_constants(:E)
ActiveSupport::Dependencies.clear
assert_raise(NameError) do
Marshal.load(dumped)
end
end
test "when first class is autoloaded and second not" do
dumped = nil
class SomeClass
end
with_autoloading_fixtures do
dumped = Marshal.dump([E.new, SomeClass.new])
end
remove_constants(:E)
self.class.send(:remove_const, :SomeClass)
ActiveSupport::Dependencies.clear
with_autoloading_fixtures do
assert_raise(NameError) do
Marshal.load(dumped)
end
assert_nothing_raised("E failed to load while we expect only SomeClass to fail loading") do
E.new
end
assert_raise(NameError, "We expected SomeClass to not be loaded but it is!") do
SomeClass.new
end
end
end
test "loading classes from files trigger autoloading" do
Tempfile.open("object_serializer_test") do |f|
with_autoloading_fixtures do
Marshal.dump(E.new, f)
end
f.rewind
remove_constants(:E)
ActiveSupport::Dependencies.clear
with_autoloading_fixtures do
assert_kind_of E, Marshal.load(f)
end
end
end
end
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