1 files changed, 97 insertions, 0 deletions
diff --git a/spec/services/packages/composer/create_package_service_spec.rb b/spec/services/packages/composer/create_package_service_spec.rb
new file mode 100644
index 00000000000..3f9da31cf6e
--- /dev/null
+++ b/spec/services/packages/composer/create_package_service_spec.rb
@@ -0,0 +1,97 @@
+# frozen_string_literal: true
+require 'spec_helper'
+
+RSpec.describe Packages::Composer::CreatePackageService do
+  include PackagesManagerApiSpecHelpers
+
+  let_it_be(:package_name) { 'composer-package-name' }
+  let_it_be(:json) { { name: package_name }.to_json }
+  let_it_be(:project) { create(:project, :custom_repo, files: { 'composer.json' => json } ) }
+  let_it_be(:user) { create(:user) }
+  let(:params) do
+    {
+      branch: branch,
+      tag: tag
+    }
+  end
+
+  describe '#execute' do
+    let(:tag) { nil }
+    let(:branch) { nil }
+
+    subject { described_class.new(project, user, params).execute }
+
+    let(:created_package) { Packages::Package.composer.last }
+
+    context 'without an existing package' do
+      context 'with a branch' do
+        let(:branch) { project.repository.find_branch('master') }
+
+        it 'creates the package' do
+          expect { subject }
+            .to change { Packages::Package.composer.count }.by(1)
+            .and change { Packages::Composer::Metadatum.count }.by(1)
+
+          expect(created_package.name).to eq package_name
+          expect(created_package.version).to eq 'dev-master'
+          expect(created_package.composer_metadatum.target_sha).to eq branch.target
+          expect(created_package.composer_metadatum.composer_json.to_json).to eq json
+        end
+      end
+
+      context 'with a tag' do
+        let(:tag) { project.repository.find_tag('v1.2.3') }
+
+        before do
+          project.repository.add_tag(user, 'v1.2.3', 'master')
+        end
+
+        it 'creates the package' do
+          expect { subject }
+            .to change { Packages::Package.composer.count }.by(1)
+            .and change { Packages::Composer::Metadatum.count }.by(1)
+
+          expect(created_package.name).to eq package_name
+          expect(created_package.version).to eq '1.2.3'
+        end
+      end
+    end
+
+    context 'with an existing package' do
+      let(:branch) { project.repository.find_branch('master') }
+
+      context 'belonging to the same project' do
+        before do
+          described_class.new(project, user, params).execute
+        end
+
+        it 'does not create a new package' do
+          expect { subject }
+            .to change { Packages::Package.composer.count }.by(0)
+            .and change { Packages::Composer::Metadatum.count }.by(0)
+        end
+      end
+
+      context 'belonging to another project' do
+        let(:other_project) { create(:project) }
+        let!(:other_package) { create(:composer_package, name: package_name, version: 'dev-master', project: other_project) }
+
+        it 'fails with an error' do
+          expect { subject }
+            .to raise_error(/is already taken/)
+        end
+      end
+
+      context 'same name but of different type' do
+        let(:other_project) { create(:project) }
+        let!(:other_package) { create(:package, name: package_name, version: 'dev-master', project: other_project) }
+
+        it 'creates the package' do
+          expect { subject }
+            .to change { Packages::Package.composer.count }.by(1)
+            .and change { Packages::Composer::Metadatum.count }.by(1)
+        end
+      end
+    end
+  end
+end