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authortenderlove <tenderlove@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2013-05-14 17:26:41 +0000
committertenderlove <tenderlove@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2013-05-14 17:26:41 +0000
commit7ceafcbdf5bd2155704839f97b869e689f66feeb (patch)
tree278d237513fff700906430468892ede20d3f76c1 /test/psych/test_safe_load.rb
parentd7f06a665c8e5b4ec83b6baa4a7532fc7ad7f24a (diff)
* ext/psych/lib/psych.rb: Adding Psych.safe_load for loading a user
defined, restricted subset of Ruby object types. * ext/psych/lib/psych/class_loader.rb: A class loader for encapsulating the logic for which objects are allowed to be deserialized. * ext/psych/lib/psych/deprecated.rb: Changes to use the class loader * ext/psych/lib/psych/exception.rb: ditto * ext/psych/lib/psych/json/stream.rb: ditto * ext/psych/lib/psych/nodes/node.rb: ditto * ext/psych/lib/psych/scalar_scanner.rb: ditto * ext/psych/lib/psych/stream.rb: ditto * ext/psych/lib/psych/streaming.rb: ditto * ext/psych/lib/psych/visitors/json_tree.rb: ditto * ext/psych/lib/psych/visitors/to_ruby.rb: ditto * ext/psych/lib/psych/visitors/yaml_tree.rb: ditto * ext/psych/psych_to_ruby.c: ditto * test/psych/helper.rb: ditto * test/psych/test_safe_load.rb: tests for restricted subset. * test/psych/test_scalar_scanner.rb: ditto * test/psych/visitors/test_to_ruby.rb: ditto * test/psych/visitors/test_yaml_tree.rb: ditto git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@40750 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'test/psych/test_safe_load.rb')
-rw-r--r--test/psych/test_safe_load.rb97
1 files changed, 97 insertions, 0 deletions
diff --git a/test/psych/test_safe_load.rb b/test/psych/test_safe_load.rb
new file mode 100644
index 0000000..dd299c0
--- /dev/null
+++ b/test/psych/test_safe_load.rb
@@ -0,0 +1,97 @@
+require 'psych/helper'
+
+module Psych
+ class TestSafeLoad < TestCase
+ class Foo; end
+
+ [1, 2.2, {}, [], "foo"].each do |obj|
+ define_method(:"test_basic_#{obj.class}") do
+ assert_safe_cycle obj
+ end
+ end
+
+ def test_no_recursion
+ x = []
+ x << x
+ assert_raises(Psych::BadAlias) do
+ Psych.safe_load Psych.dump(x)
+ end
+ end
+
+ def test_explicit_recursion
+ x = []
+ x << x
+ assert_equal(x, Psych.safe_load(Psych.dump(x), [], [], true))
+ end
+
+ def test_symbol_whitelist
+ yml = Psych.dump :foo
+ assert_raises(Psych::DisallowedClass) do
+ Psych.safe_load yml
+ end
+ assert_equal(:foo, Psych.safe_load(yml, [Symbol], [:foo]))
+ end
+
+ def test_symbol
+ assert_raises(Psych::DisallowedClass) do
+ assert_safe_cycle :foo
+ end
+ assert_raises(Psych::DisallowedClass) do
+ Psych.safe_load '--- !ruby/symbol foo', []
+ end
+ assert_safe_cycle :foo, [Symbol]
+ assert_safe_cycle :foo, %w{ Symbol }
+ assert_equal :foo, Psych.safe_load('--- !ruby/symbol foo', [Symbol])
+ end
+
+ def test_foo
+ assert_raises(Psych::DisallowedClass) do
+ Psych.safe_load '--- !ruby/object:Foo {}', [Foo]
+ end
+ assert_raises(Psych::DisallowedClass) do
+ assert_safe_cycle Foo.new
+ end
+ assert_kind_of(Foo, Psych.safe_load(Psych.dump(Foo.new), [Foo]))
+ end
+
+ X = Struct.new(:x)
+ def test_struct_depends_on_sym
+ assert_safe_cycle(X.new, [X, Symbol])
+ assert_raises(Psych::DisallowedClass) do
+ cycle X.new, [X]
+ end
+ end
+
+ def test_anon_struct
+ assert Psych.safe_load(<<-eoyml, [Struct, Symbol])
+--- !ruby/struct
+ foo: bar
+ eoyml
+
+ assert_raises(Psych::DisallowedClass) do
+ Psych.safe_load(<<-eoyml, [Struct])
+--- !ruby/struct
+ foo: bar
+ eoyml
+ end
+
+ assert_raises(Psych::DisallowedClass) do
+ Psych.safe_load(<<-eoyml, [Symbol])
+--- !ruby/struct
+ foo: bar
+ eoyml
+ end
+ end
+
+ private
+
+ def cycle object, whitelist = []
+ Psych.safe_load(Psych.dump(object), whitelist)
+ end
+
+ def assert_safe_cycle object, whitelist = []
+ other = cycle object, whitelist
+ assert_equal object, other
+ end
+ end
+end