Add generic package manager e2e test

qa/qa/specs/features/browser_ui/5_package/generic_repository_spec.rb

+# frozen_string_literal: true
+
+module QA
+  RSpec.describe 'Package', :orchestrated, :packages do
+    describe 'Generic Repository' do
+      let(:package_name) { 'my_package' }
+
+      let(:project) do
+        Resource::Project.fabricate_via_api! do |project|
+          project.name = 'generic-package-project'
+        end
+      end
+
+      let!(:runner) do
+        Resource::Runner.fabricate! do |runner|
+          runner.name = "qa-runner-#{Time.now.to_i}"
+          runner.tags = ["runner-for-#{project.name}"]
+          runner.executor = :docker
+          runner.project = project
+        end
+      end
+
+      let(:gitlab_ci_yaml) do
+        <<~YAML
+          image: curlimages/curl:latest
+
+          stages:
+            - upload
+            - download
+
+          upload:
+            stage: upload
+            script:
+              - 'curl --header "JOB-TOKEN: $CI_JOB_TOKEN" --upload-file file.txt ${CI_API_V4_URL}/projects/${CI_PROJECT_ID}/packages/generic/my_package/0.0.1/file.txt'
+            tags:
+              - "runner-for-#{project.name}"
+          download:
+            stage: download
+            script:
+              - 'wget --header="JOB-TOKEN: $CI_JOB_TOKEN" ${CI_API_V4_URL}/projects/${CI_PROJECT_ID}/packages/generic/my_package/0.0.1/file.txt -O file_downloaded.txt'
+            tags:
+              - "runner-for-#{project.name}"
+        YAML
+      end
+
+      let(:file_txt) do
+        <<~EOF
+          Hello, world!
+        EOF
+      end
+
+      before do
+        Flow::Login.sign_in
+
+        Resource::Repository::Commit.fabricate_via_api! do |commit|
+          commit.project = project
+          commit.commit_message = 'Add .gitlab-ci.yml'
+          commit.add_files([{
+                                file_path: '.gitlab-ci.yml',
+                                content: gitlab_ci_yaml
+                            },
+                            {
+                                file_path: 'file.txt',
+                                content: file_txt
+                            }]
+                          )
+        end
+
+        project.visit!
+        Page::Project::Menu.perform(&:click_ci_cd_pipelines)
+        Page::Project::Pipeline::Index.perform(&:click_on_latest_pipeline)
+
+        Page::Project::Pipeline::Show.perform do |pipeline|
+          pipeline.click_job('upload')
+        end
+
+        Page::Project::Job::Show.perform do |job|
+          expect(job).to be_successful(timeout: 800)
+
+          job.click_element(:pipeline_path)
+        end
+
+        Page::Project::Pipeline::Show.perform do |pipeline|
+          pipeline.click_job('download')
+        end
+
+        Page::Project::Job::Show.perform do |job|
+          expect(job).to be_successful(timeout: 800)
+        end
+      end
+
+      after do
+        runner.remove_via_api!
+      end
+
+      it 'uploads a generic package, downloads and deletes it', testcase: 'https://gitlab.com/gitlab-org/quality/testcases/-/issues/1108' do
+        Page::Project::Menu.perform(&:click_packages_link)
+
+        Page::Project::Packages::Index.perform do |index|
+          expect(index).to have_package(package_name)
+          index.click_package(package_name)
+        end
+
+        Page::Project::Packages::Show.perform do |package|
+          package.click_delete
+        end
+
+        Page::Project::Packages::Index.perform do |index|
+          aggregate_failures 'package deletion' do
+            expect(index).to have_content("Package deleted successfully")
+            expect(index).to have_no_package(package_name)
+          end
+        end
+      end
+    end
+  end
+end