adds spec Kernel#open is not redefined by open-uri

ruby · Oct 28, 2021 · 54ef382 · 54ef382
1 parent 7376aa0
commit 54ef382
Showing 1 changed file with 12 additions and 0 deletions.
diff --git a/core/kernel/open_spec.rb b/core/kernel/open_spec.rb
@@ -148,6 +148,18 @@ def obj.to_open; self; end
       ruby_exe(code, args: "2>&1").should == "true\n"
     end
   end
+
+  ruby_version_is "3.0" do
+    it "is not redefined by open-uri" do
+      code = <<~RUBY
+        before = Kernel.instance_method(:open)
+        require 'open-uri'
+        after = Kernel.instance_method(:open)
+        p before == after
+      RUBY
+      ruby_exe(code, args: "2>&1").should == "true\n"
+    end
+  end
 end
 
 describe "Kernel.open" do