From 625a6c08ebbeb4408432faddc93f11d95b73ff8f Mon Sep 17 00:00:00 2001
From: Ruoyu Zhong <zhongruoyu@outlook.com>
Date: Fri, 22 Aug 2025 02:04:55 +0800
Subject: [PATCH] test/cli/parser: add one more test

---
 Library/Homebrew/test/cli/parser_spec.rb | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Library/Homebrew/test/cli/parser_spec.rb b/Library/Homebrew/test/cli/parser_spec.rb
index c2b23fd81c..33497a3685 100644
--- a/Library/Homebrew/test/cli/parser_spec.rb
+++ b/Library/Homebrew/test/cli/parser_spec.rb
@@ -10,6 +10,7 @@ RSpec.describe Homebrew::CLI::Parser do
       described_class.new(Cmd) do
         switch "--more-verbose", description: "Flag for higher verbosity"
         switch "--pry", env: :pry
+        switch "--foo", env: :foo
         switch "--bar", env: :bar
         switch "--hidden", hidden: true
       end
@@ -18,6 +19,7 @@ RSpec.describe Homebrew::CLI::Parser do
     before do
       allow(Homebrew::EnvConfig).to receive(:pry?).and_return(true)
       allow(ENV).to receive(:fetch).and_call_original
+      allow(ENV).to receive(:fetch).with("HOMEBREW_FOO", nil).and_return("")
       allow(ENV).to receive(:fetch).with("HOMEBREW_BAR", nil).and_return("1")
     end
 
@@ -116,6 +118,7 @@ RSpec.describe Homebrew::CLI::Parser do
     it "maps environment var to an option" do
       args = parser.parse([])
       expect(args.pry?).to be true
+      expect(args.foo?).to be false
       expect(args.bar?).to be true
     end
   end