[ruby/csv] Ensuring StringIO's encoding in CSV.generate (#111)

https://github.com/ruby/csv/commit/dbf55ef008

1 files changed, 24 insertions, 0 deletions

diff --git a/test/csv/helper.rb b/test/csv/helper.rb
index eadff54408..1f9cf96979 100644
--- a/test/csv/helper.rb
+++ b/test/csv/helper.rb
@@ -15,4 +15,28 @@ module Helper
       ENV["CSV_PARSER_SCANNER_TEST_CHUNK_SIZE"] = chunk_size_keep
     end
   end
+
+  def with_verbose(verbose)
+    original = $VERBOSE
+    begin
+      $VERBOSE = verbose
+      yield
+    ensure
+      $VERBOSE = original
+    end
+  end
+
+  def with_default_internal(encoding)
+    original = Encoding.default_internal
+    begin
+      with_verbose(false) do
+        Encoding.default_internal = encoding
+      end
+      yield
+    ensure
+      with_verbose(false) do
+        Encoding.default_internal = original
+      end
+    end
+  end
 end