[bundler/bundler] Revert "Remove now meaningless warning"

This reverts commit 00b095b98fe4bd44950beaf3bc9f1d91eac7b69e.

https://github.com/bundler/bundler/commit/e93bce3b20

1 files changed, 19 insertions, 0 deletions

diff --git a/spec/bundler/install/gemfile/platform_spec.rb b/spec/bundler/install/gemfile/platform_spec.rb
index d065e10600..4cbf238416 100644
--- a/spec/bundler/install/gemfile/platform_spec.rb
+++ b/spec/bundler/install/gemfile/platform_spec.rb
@@ -406,6 +406,25 @@ RSpec.describe "bundle install with platform conditionals" do
          #{Bundler::VERSION}
     L
   end
+
+  context "when disable_platform_warnings is true" do
+    before { bundle! "config set disable_platform_warnings true" }
+
+    it "does not print the warning when a dependency is unused on any platform" do
+      simulate_platform "ruby"
+      simulate_ruby_engine "ruby"
+
+      gemfile <<-G
+        source "#{file_uri_for(gem_repo1)}"
+
+        gem "rack", :platform => [:mingw, :mswin, :x64_mingw, :jruby]
+      G
+
+      bundle! "install"
+
+      expect(out).not_to match(/The dependency (.*) will be unused/)
+    end
+  end
 end
 
 RSpec.describe "when a gem has no architecture" do