From bb20083050c47fbc171704d8f4aaa2473e4d743a Mon Sep 17 00:00:00 2001
From: Hiroshi SHIBATA <hsbt@ruby-lang.org>
Date: Fri, 15 Nov 2024 09:56:53 +0900
Subject: [PATCH] Port test_warn_dependency.rb to RSpec example

---
 spec/bundler/bundled_gems_spec.rb             | 21 +++++++++++++++++++
 tool/test_for_warn_bundled_gems/test.sh       |  4 ----
 .../test_warn_dependency.rb                   | 11 ----------
 3 files changed, 21 insertions(+), 15 deletions(-)
 delete mode 100644 tool/test_for_warn_bundled_gems/test_warn_dependency.rb

diff --git a/spec/bundler/bundled_gems_spec.rb b/spec/bundler/bundled_gems_spec.rb
index 90efd28194..f097429c7e 100644
--- a/spec/bundler/bundled_gems_spec.rb
+++ b/spec/bundler/bundled_gems_spec.rb
@@ -25,6 +25,27 @@ RSpec.describe "bundled_gems.rb" do
     expect(err).to include(/ostruct was loaded from (.*) from Ruby 3.5.0/)
   end
 
+  it "Show warning when bundled gems called as dependency" do
+    build_lib "activesupport", "7.0.7.2" do |s|
+      s.write "lib/active_support/all.rb", "require 'ostruct'"
+    end
+
+    script <<-RUBY, env: { "BUNDLER_SPEC_GEM_REPO" => gem_repo1.to_s }
+      gemfile do
+        source "https://gem.repo1"
+        path "#{lib_path}" do
+          gem "activesupport", "7.0.7.2"
+        end
+      end
+
+      require "active_support/all"
+    RUBY
+
+    expect(err).to include(/ostruct was loaded from (.*) from Ruby 3.5.0/)
+    # TODO: We should assert caller location like below:
+    # $GEM_HOME/gems/activesupport-7.0.7.2/lib/active_support/core_ext/big_decimal.rb:3: warning: bigdecimal ...
+  end
+
   it "Show warning dash gem like net/smtp" do
     script <<-RUBY
       gemfile do
diff --git a/tool/test_for_warn_bundled_gems/test.sh b/tool/test_for_warn_bundled_gems/test.sh
index 748b5159bd..4997bd0386 100755
--- a/tool/test_for_warn_bundled_gems/test.sh
+++ b/tool/test_for_warn_bundled_gems/test.sh
@@ -1,9 +1,5 @@
 #!/bin/bash
 
-echo "* Show warning when bundled gems called as dependency"
-ruby test_warn_dependency.rb
-echo
-
 echo "* Show warning sub-feature like bigdecimal/util"
 ruby test_warn_sub_feature.rb
 echo
diff --git a/tool/test_for_warn_bundled_gems/test_warn_dependency.rb b/tool/test_for_warn_bundled_gems/test_warn_dependency.rb
deleted file mode 100644
index 31e416624c..0000000000
--- a/tool/test_for_warn_bundled_gems/test_warn_dependency.rb
+++ /dev/null
@@ -1,11 +0,0 @@
-require "bundler"
-Bundler::Definition.no_lock = true
-
-require "bundler/inline"
-
-gemfile do
-  source "https://rubygems.org"
-  gem "activesupport", "7.0.7.2"
-end
-
-require "active_support/all"