1 files changed, 24 insertions, 0 deletions
diff --git a/spec/models/packages/npm_spec.rb b/spec/models/packages/npm_spec.rb
new file mode 100644
index 00000000000..fa4adadfe06
--- /dev/null
+++ b/spec/models/packages/npm_spec.rb
@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+require 'spec_helper'
+
+RSpec.describe Packages::Npm do
+  using RSpec::Parameterized::TableSyntax
+
+  describe '.scope_of' do
+    subject { described_class.scope_of(package_name) }
+
+    where(:package_name, :expected_result) do
+      nil             | nil
+      'test'          | nil
+      '@test'         | nil
+      'test/package'  | nil
+      '@/package'     | nil
+      '@test/package' | 'test'
+      '@test/'        | nil
+    end
+
+    with_them do
+      it { is_expected.to eq(expected_result) }
+    end
+  end
+end