Add `Psych.safe_load_file`. Tweak doc to provide `safe_` examples.

2 files changed, 24 insertions, 0 deletions

diff --git a/test/psych/test_exception.rb b/test/psych/test_exception.rb
index e355c26..78601d0 100644
--- a/test/psych/test_exception.rb
+++ b/test/psych/test_exception.rb
@@ -118,6 +118,18 @@ module Psych
       }
     end
 
+    def test_safe_load_file_exception
+      Tempfile.create(['loadfile', 'yml']) {|t|
+        t.binmode
+        t.write '--- `'
+        t.close
+        ex = assert_raises(Psych::SyntaxError) do
+          Psych.safe_load_file t.path
+        end
+        assert_equal t.path, ex.file
+      }
+    end
+
     def test_psych_parse_takes_file
       ex = assert_raises(Psych::SyntaxError) do
         Psych.parse '--- `'
diff --git a/test/psych/test_psych.rb b/test/psych/test_psych.rb
index 7219e83..30612de 100644
--- a/test/psych/test_psych.rb
+++ b/test/psych/test_psych.rb
@@ -319,6 +319,18 @@ class TestPsych < Psych::TestCase
     }
   end
 
+  def test_safe_load_file_with_permitted_classe
+    Tempfile.create(['false', 'yml']) {|t|
+      t.binmode
+      t.write("--- !ruby/range\nbegin: 0\nend: 42\nexcl: false\n")
+      t.close
+      assert_equal 0..42, Psych.safe_load_file(t.path, permitted_classes: [Range])
+      assert_raises(Psych::DisallowedClass) {
+        Psych.safe_load_file(t.path)
+      }
+    }
+  end
+
   def test_parse_file
     Tempfile.create(['yikes', 'yml']) {|t|
       t.binmode