Add project export API tests

spec/requests/api/project_export_spec.rb

+require 'spec_helper'
+
+describe API::ProjectExport do
+  set(:project) { create(:project) }
+  set(:project_none) { create(:project, path: 'export-none') }
+  set(:project_started) { create(:project, path: 'export-started') }
+  set(:project_finished) { create(:project, path: 'export-finished') }
+  set(:user) { create(:user) }
+  set(:admin) { create(:admin) }
+
+  let(:path) { "/projects/#{project.id}/export" }
+  let(:path_none) { "/projects/#{project_none.id}/export" }
+  let(:path_started) { "/projects/#{project_started.id}/export" }
+  let(:path_finished) { "/projects/#{project_finished.id}/export" }
+
+  let(:download_path) { "/projects/#{project.id}/export/download" }
+  let(:download_path_none) { "/projects/#{project_none.id}/export/download" }
+  let(:download_path_started) { "/projects/#{project_started.id}/export/download" }
+  let(:download_path_finished) { "/projects/#{project_finished.id}/export/download" }
+
+  let(:export_path) { "#{Dir.tmpdir}/project_export_spec" }
+
+  before do
+    allow_any_instance_of(Gitlab::ImportExport).to receive(:storage_path).and_return(export_path)
+
+    # simulate exporting work directory
+    FileUtils.mkdir_p File.join(project_started.export_path, 'securerandom-hex')
+
+    # simulate exported
+    FileUtils.mkdir_p project_finished.export_path
+    FileUtils.touch File.join(project_finished.export_path, '_export.tar.gz')
+  end
+
+  after do
+    FileUtils.rm_rf(export_path, secure: true)
+  end
+
+  shared_examples_for 'when project export is disabled' do
+    before do
+      stub_application_setting(project_export_enabled?: false)
+    end
+
+    it_behaves_like '404 response'
+  end
+
+  describe 'GET /projects/:project_id/export' do
+    shared_examples_for 'get project export status not found' do
+      it_behaves_like '404 response' do
+        let(:request) { get api(path, user) }
+      end
+    end
+
+    shared_examples_for 'get project export status denied' do
+      it_behaves_like '403 response' do
+        let(:request) { get api(path, user) }
+      end
+    end
+
+    shared_examples_for 'get project export status ok' do
+      it 'is none' do
+        get api(path_none, user)
+
+        expect(response).to have_gitlab_http_status(200)
+        expect(response).to match_response_schema('public_api/v4/project/export_status')
+        expect(json_response['export_status']).to eq('none')
+      end
+
+      it 'is started' do
+        get api(path_started, user)
+
+        expect(response).to have_gitlab_http_status(200)
+        expect(response).to match_response_schema('public_api/v4/project/export_status')
+        expect(json_response['export_status']).to eq('started')
+      end
+
+      it 'is finished' do
+        get api(path_finished, user)
+
+        expect(response).to have_gitlab_http_status(200)
+        expect(response).to match_response_schema('public_api/v4/project/export_status')
+        expect(json_response['export_status']).to eq('finished')
+      end
+    end
+
+    it_behaves_like 'when project export is disabled' do
+      let(:request) { get api(path, admin) }
+    end
+
+    context 'when project export is enabled' do
+      context 'when user is an admin' do
+        let(:user) { admin }
+
+        it_behaves_like 'get project export status ok'
+      end
+
+      context 'when user is a master' do
+        before do
+          project.add_master(user)
+          project_none.add_master(user)
+          project_started.add_master(user)
+          project_finished.add_master(user)
+        end
+
+        it_behaves_like 'get project export status ok'
+      end
+
+      context 'when user is a developer' do
+        before do
+          project.add_developer(user)
+        end
+
+        it_behaves_like 'get project export status denied'
+      end
+
+      context 'when user is a reporter' do
+        before do
+          project.add_reporter(user)
+        end
+
+        it_behaves_like 'get project export status denied'
+      end
+
+      context 'when user is a guest' do
+        before do
+          project.add_guest(user)
+        end
+
+        it_behaves_like 'get project export status denied'
+      end
+
+      context 'when user is not a member' do
+        it_behaves_like 'get project export status not found'
+      end
+    end
+  end
+
+  describe 'GET /projects/:project_id/export/download' do
+    shared_examples_for 'get project export download not found' do
+      it_behaves_like '404 response' do
+        let(:request) { get api(download_path, user) }
+      end
+    end
+
+    shared_examples_for 'get project export download denied' do
+      it_behaves_like '403 response' do
+        let(:request) { get api(download_path, user) }
+      end
+    end
+
+    shared_examples_for 'get project export download' do
+      it_behaves_like '404 response' do
+        let(:request) { get api(download_path_none, user) }
+      end
+
+      it_behaves_like '404 response' do
+        let(:request) { get api(download_path_started, user) }
+      end
+
+      it 'downloads' do
+        get api(download_path_finished, user)
+
+        expect(response).to have_gitlab_http_status(200)
+      end
+    end
+
+    it_behaves_like 'when project export is disabled' do
+      let(:request) { get api(download_path, admin) }
+    end
+
+    context 'when project export is enabled' do
+      context 'when user is an admin' do
+        let(:user) { admin }
+
+        it_behaves_like 'get project export download'
+      end
+
+      context 'when user is a master' do
+        before do
+          project.add_master(user)
+          project_none.add_master(user)
+          project_started.add_master(user)
+          project_finished.add_master(user)
+        end
+
+        it_behaves_like 'get project export download'
+      end
+
+      context 'when user is a developer' do
+        before do
+          project.add_developer(user)
+        end
+
+        it_behaves_like 'get project export download denied'
+      end
+
+      context 'when user is a reporter' do
+        before do
+          project.add_reporter(user)
+        end
+
+        it_behaves_like 'get project export download denied'
+      end
+
+      context 'when user is a guest' do
+        before do
+          project.add_guest(user)
+        end
+
+        it_behaves_like 'get project export download denied'
+      end
+
+      context 'when user is not a member' do
+        it_behaves_like 'get project export download not found'
+      end
+    end
+  end
+
+  describe 'POST /projects/:project_id/export' do
+    shared_examples_for 'post project export start not found' do
+      it_behaves_like '404 response' do
+        let(:request) { post api(path, user) }
+      end
+    end
+
+    shared_examples_for 'post project export start denied' do
+      it_behaves_like '403 response' do
+        let(:request) { post api(path, user) }
+      end
+    end
+
+    shared_examples_for 'post project export start' do
+      it 'starts' do
+        post api(path, user)
+
+        expect(response).to have_gitlab_http_status(202)
+      end
+    end
+
+    it_behaves_like 'when project export is disabled' do
+      let(:request) { post api(path, admin) }
+    end
+
+    context 'when project export is enabled' do
+      context 'when user is an admin' do
+        let(:user) { admin }
+
+        it_behaves_like 'post project export start'
+      end
+
+      context 'when user is a master' do
+        before do
+          project.add_master(user)
+          project_none.add_master(user)
+          project_started.add_master(user)
+          project_finished.add_master(user)
+        end
+
+        it_behaves_like 'post project export start'
+      end
+
+      context 'when user is a developer' do
+        before do
+          project.add_developer(user)
+        end
+
+        it_behaves_like 'post project export start denied'
+      end
+
+      context 'when user is a reporter' do
+        before do
+          project.add_reporter(user)
+        end
+
+        it_behaves_like 'post project export start denied'
+      end
+
+      context 'when user is a guest' do
+        before do
+          project.add_guest(user)
+        end
+
+        it_behaves_like 'post project export start denied'
+      end
+
+      context 'when user is not a member' do
+        it_behaves_like 'post project export start not found'
+      end
+    end
+  end
+end