From d7e2845bd4d7725dcbc74e36c42facbbb90db4e4 Mon Sep 17 00:00:00 2001
From: Dan Allen <dan.j.allen@gmail.com>
Date: Mon, 1 Apr 2019 01:41:31 -0600
Subject: resolves #3226 CLI should use $stdin instead of STDIN (PR #3227)

---
 test/invoker_test.rb | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

(limited to 'test')

diff --git a/test/invoker_test.rb b/test/invoker_test.rb
index 09320711..9a862108 100644
--- a/test/invoker_test.rb
+++ b/test/invoker_test.rb
@@ -70,15 +70,19 @@ context 'Invoker' do
   end
 
   test 'should not fail to rewind input if reading document from stdin' do
-    io = STDIN.dup
-    class << io
-      def read
-        'paragraph'
+    begin
+      $stdin = STDIN.dup
+      class << $stdin
+        def read
+          'paragraph'
+        end
       end
+      invoker = invoke_cli_to_buffer(%w(-s), '-')
+      assert_equal 0, invoker.code
+      assert_equal 1, invoker.document.blocks.size
+    ensure
+      $stdin = STDIN
     end
-    invoker = invoke_cli_to_buffer(%w(-s), '-') { io }
-    assert_equal 0, invoker.code
-    assert_equal 1, invoker.document.blocks.size
   end
 
   test 'should accept document from stdin and write to output file' do
-- 
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