Adding test cases for review

bundler/helpers/v2/spec/definition_bundler_spec_set_patch_spec.rb

@@ -0,0 +1,42 @@
+# typed: false
+# frozen_string_literal: true
+
+require "native_spec_helper"
+require "shared_contexts"
+
+RSpec.describe Bundler::LazySpecification do
+  let(:specification) do
+    spec = Bundler::LazySpecification.new("example", "1.1.0", nil)
+    spec.extend(BundlerSpecSetPatch)
+    spec
+  end
+
+  describe "#default_gem?" do
+    let(:default_spec_dir) { "/mocked/default/spec/dir" }
+    before do
+      allow(Gem).to receive(:default_specifications_dir).and_return(default_spec_dir)
+    end
+
+    context "when the gem is a default gem" do
+      it "returns true if the loaded_from path is in the default specifications directory" do
+        specification.loaded_from = File.join(default_spec_dir, "example-1.1.0.gemspec")
+        expect(specification.default_gem?).to be true
+      end
+    end
+
+    context "when loaded_from is nil" do
+      it "returns false" do
+        specification.loaded_from = nil
+        expect(specification.default_gem?).to be false
+      end
+    end
+
+    context "when the gem is not a default gem" do
+      it "returns false if the loaded_from path is not in the default specifications directory" do
+        non_default_dir = "/path/to/non/default/directory"
+        specification.loaded_from = File.join(non_default_dir, "example-1.1.0.gemspec")
+        expect(specification.default_gem?).to be false
+      end
+    end
+  end
+end

bundler/helpers/v2/spec/native_spec_helper.rb

@@ -12,6 +12,7 @@
 # Bundler monkey patches
 require "definition_ruby_version_patch"
 require "definition_bundler_version_patch"
+require "definition_bundler_spec_set_patch"
 require "git_source_patch"
 
 require "functions"