babel: use assert_predicate instead of File.exist?

Homebrew · Oct 6, 2017 · 5a013bb · 5a013bb
1 parent c2bf174
commit 5a013bb
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/Formula/babel.rb b/Formula/babel.rb
@@ -31,6 +31,6 @@ def install
     EOS
 
     system bin/"babel", "script.js", "--out-file", "script-compiled.js"
-    assert File.exist?("script-compiled.js"), "script-compiled.js was not generated"
+    assert_predicate testpath/"script-compiled.js", :exist?, "script-compiled.js was not generated"
   end
 end