1 files changed, 81 insertions, 0 deletions
diff --git a/spec/models/namespace/package_setting_spec.rb b/spec/models/namespace/package_setting_spec.rb
new file mode 100644
index 00000000000..097cef8ef3b
--- /dev/null
+++ b/spec/models/namespace/package_setting_spec.rb
@@ -0,0 +1,81 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Namespace::PackageSetting do
+  describe 'relationships' do
+    it { is_expected.to belong_to(:namespace) }
+  end
+
+  describe 'validations' do
+    it { is_expected.to validate_presence_of(:namespace) }
+
+    describe '#maven_duplicates_allowed' do
+      it { is_expected.to allow_value(true).for(:maven_duplicates_allowed) }
+      it { is_expected.to allow_value(false).for(:maven_duplicates_allowed) }
+      it { is_expected.not_to allow_value(nil).for(:maven_duplicates_allowed) }
+    end
+
+    describe '#maven_duplicate_exception_regex' do
+      let_it_be(:package_settings) { create(:namespace_package_setting) }
+
+      subject { package_settings }
+
+      valid_regexps = %w[SNAPSHOT .* v.+ v10.1.* (?:v.+|SNAPSHOT|TEMP)]
+      invalid_regexps = ['[', '(?:v.+|SNAPSHOT|TEMP']
+
+      valid_regexps.each do |valid_regexp|
+        it { is_expected.to allow_value(valid_regexp).for(:maven_duplicate_exception_regex) }
+      end
+
+      invalid_regexps.each do |invalid_regexp|
+        it { is_expected.not_to allow_value(invalid_regexp).for(:maven_duplicate_exception_regex) }
+      end
+    end
+  end
+
+  describe '#duplicates_allowed?' do
+    using RSpec::Parameterized::TableSyntax
+
+    subject { described_class.duplicates_allowed?(package) }
+
+    context 'package types with package_settings' do
+      # As more package types gain settings they will be added to this list
+      [:maven_package].each do |format|
+        let_it_be(:package) { create(format) } # rubocop:disable Rails/SaveBang
+        let_it_be(:package_type) { package.package_type }
+        let_it_be(:package_setting) { package.project.namespace.package_settings }
+
+        where(:duplicates_allowed, :duplicate_exception_regex, :result) do
+          true  | ''   | true
+          false | ''   | false
+          false | '.*' | true
+        end
+
+        with_them do
+          context "for #{format}" do
+            before do
+              package_setting.update!(
+                "#{package_type}_duplicates_allowed" => duplicates_allowed,
+                "#{package_type}_duplicate_exception_regex" => duplicate_exception_regex
+              )
+            end
+
+            it { is_expected.to be(result) }
+          end
+        end
+      end
+    end
+
+    context 'package types without package_settings' do
+      [:npm_package, :conan_package, :nuget_package, :pypi_package, :composer_package, :generic_package, :golang_package, :debian_package].each do |format|
+        let_it_be(:package) { create(format) } # rubocop:disable Rails/SaveBang
+        let_it_be(:package_setting) { package.project.namespace.package_settings }
+
+        it 'raises an error' do
+          expect { subject }.to raise_error(Namespace::PackageSetting::PackageSettingNotImplemented)
+        end
+      end
+    end
+  end
+end