Add URINormalizer trailing slash specs

bundler/spec/bundler/uri_normalizer_spec.rb

@@ -0,0 +1,25 @@
+# frozen_string_literal: true
+
+RSpec.describe Bundler::URINormalizer do
+  describe ".normalize_suffix" do
+    context "when trailing_slash is true" do
+      it "adds a trailing slash when missing" do
+        expect(described_class.normalize_suffix("https://example.com", trailing_slash: true)).to eq("https://example.com/")
+      end
+
+      it "keeps the trailing slash when present" do
+        expect(described_class.normalize_suffix("https://example.com/", trailing_slash: true)).to eq("https://example.com/")
+      end
+    end
+
+    context "when trailing_slash is false" do
+      it "removes a trailing slash when present" do
+        expect(described_class.normalize_suffix("https://example.com/", trailing_slash: false)).to eq("https://example.com")
+      end
+
+      it "keeps the value unchanged when no trailing slash exists" do
+        expect(described_class.normalize_suffix("https://example.com", trailing_slash: false)).to eq("https://example.com")
+      end
+    end
+  end
+end

bundler/spec/support/windows_tag_group.rb

@@ -184,6 +184,7 @@ module WindowsTagGroup
         "spec/bundler/resolver/candidate_spec.rb",
         "spec/bundler/digest_spec.rb",
         "spec/bundler/fetcher/gem_remote_fetcher_spec.rb",
+        "spec/bundler/uri_normalizer_spec.rb",
       ],
     }.freeze
   end