1 files changed, 78 insertions, 0 deletions
diff --git a/spec/presenters/packages/composer/packages_presenter_spec.rb b/spec/presenters/packages/composer/packages_presenter_spec.rb
new file mode 100644
index 00000000000..0445a346180
--- /dev/null
+++ b/spec/presenters/packages/composer/packages_presenter_spec.rb
@@ -0,0 +1,78 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe ::Packages::Composer::PackagesPresenter do
+  using RSpec::Parameterized::TableSyntax
+
+  let_it_be(:package_name) { 'sample-project' }
+  let_it_be(:json) { { 'name' => package_name } }
+  let_it_be(:group) { create(:group) }
+  let_it_be(:project) { create(:project, :custom_repo, files: { 'composer.json' => json.to_json }, group: group) }
+  let_it_be(:package1) { create(:composer_package, :with_metadatum, project: project, name: package_name, version: '1.0.0', json: json) }
+  let_it_be(:package2) { create(:composer_package, :with_metadatum, project: project, name: package_name, version: '2.0.0', json: json) }
+
+  let(:branch) { project.repository.find_branch('master') }
+
+  let(:packages) { [package1, package2] }
+  let(:presenter) { described_class.new(group, packages) }
+
+  describe '#package_versions' do
+    subject { presenter.package_versions }
+
+    def expected_json(package)
+      {
+        'dist' => {
+          'reference' => branch.target,
+          'shasum' => '',
+          'type' => 'zip',
+          'url' => "http://localhost/api/v4/projects/#{project.id}/packages/composer/archives/#{package.name}.zip?sha=#{branch.target}"
+        },
+        'name' => package.name,
+        'uid' => package.id,
+        'version' => package.version
+      }
+    end
+
+    it 'returns the packages json' do
+      packages = subject['packages'][package_name]
+
+      expect(packages['1.0.0']).to eq(expected_json(package1))
+      expect(packages['2.0.0']).to eq(expected_json(package2))
+    end
+  end
+
+  describe '#provider' do
+    subject { presenter.provider}
+
+    let(:expected_json) do
+      {
+        'providers' => {
+          package_name => {
+            'sha256' => /^\h+$/
+          }
+        }
+      }
+    end
+
+    it 'returns the provider json' do
+      expect(subject).to match(expected_json)
+    end
+  end
+
+  describe '#root' do
+    subject { presenter.root }
+
+    let(:expected_json) do
+      {
+        'packages' => [],
+        'provider-includes' => { 'p/%hash%.json' => { 'sha256' => /^\h+$/ } },
+        'providers-url' => "/api/v4/group/#{group.id}/-/packages/composer/%package%.json"
+      }
+    end
+
+    it 'returns the provider json' do
+      expect(subject).to match(expected_json)
+    end
+  end
+end