add test for using ARGV to check options

1 files changed, 24 insertions, 0 deletions

diff --git a/Library/Homebrew/test/rubocops/lines_cop_spec.rb b/Library/Homebrew/test/rubocops/lines_cop_spec.rb
index 288ca8f8f..b5ff3d1f4 100644
--- a/Library/Homebrew/test/rubocops/lines_cop_spec.rb
+++ b/Library/Homebrew/test/rubocops/lines_cop_spec.rb
@@ -811,6 +811,30 @@ describe RuboCop::Cop::FormulaAudit::Miscellaneous do
         expect_offense(expected, actual)
       end
     end
+
+    it "with using ARGV to check options" do
+      source = <<-EOS.undent
+        class Foo < Formula
+          desc "foo"
+          url 'http://example.com/foo-1.0.tgz'
+          def test
+            verbose = ARGV.verbose?
+          end
+        end
+      EOS
+
+      expected_offenses = [{  message: "Use build instead of ARGV to check options",
+                              severity: :convention,
+                              line: 5,
+                              column: 14,
+                              source: source }]
+
+      inspect_source(cop, source)
+
+      expected_offenses.zip(cop.offenses).each do |expected, actual|
+        expect_offense(expected, actual)
+      end
+    end
   end
   def expect_offense(expected, actual)
     expect(actual.message).to eq(expected[:message])