Add project export API

Port of https://gitlab.com/gitlab-org/gitlab-ce/merge_requests/15860

app/models/project.rb

@@ -1539,16 +1539,34 @@ class Project < ActiveRecord::Base
     end
   end
 
+  def import_export_shared
+    @import_export_shared ||= Gitlab::ImportExport::Shared.new(self)
+  end
+
   def export_path
     return nil unless namespace.present? || hashed_storage?(:repository)
 
-    File.join(Gitlab::ImportExport.storage_path, disk_path)
+    import_export_shared.archive_path
   end
 
   def export_project_path
     Dir.glob("#{export_path}/*export.tar.gz").max_by { |f| File.ctime(f) }
   end
 
+  def export_status
+    if export_in_progress?
+      :started
+    elsif export_project_path
+      :finished
+    else
+      :none
+    end
+  end
+
+  def export_in_progress?
+    import_export_shared.active_export_count > 0
+  end
+
   def remove_exports
     return nil unless export_path.present?
 

app/services/projects/import_export/export_service.rb

@@ -2,7 +2,7 @@ module Projects
   module ImportExport
     class ExportService < BaseService
       def execute(_options = {})
-        @shared = Gitlab::ImportExport::Shared.new(relative_path: File.join(project.disk_path, 'work'))
+        @shared = project.import_export_shared
         save_all
       end
 

changelogs/unreleased/29130-api-project-export.yml

+---
+title: Add project export API
+merge_request: 15860
+author: Travis Miller
+type: added

doc/api/project_import_export.md

-# Project import API
+# Project import/export API
 
 [Introduced][ce-41899] in GitLab 10.6
 
 [See also the project import/export documentation](../user/project/settings/import_export.md)
 
+## Schedule an export
+
+Start a new export.
+
+```http
+POST /projects/:id/export
+```
+
+| Attribute | Type           | Required | Description                              |
+| --------- | -------------- | -------- | ---------------------------------------- |
+| `id`      | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
+
+```console
+curl --request POST --header "PRIVATE-TOKEN: 9koXpg98eAheJpvBs5tK" https://gitlab.example.com/api/v4/projects/1/export
+```
+
+```json
+{
+  "message": "202 Accepted"
+}
+```
+
+## Export status
+
+Get the status of export.
+
+```http
+GET /projects/:id/export
+```
+
+| Attribute | Type           | Required | Description                              |
+| --------- | -------------- | -------- | ---------------------------------------- |
+| `id`      | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
+
+```console
+curl --header "PRIVATE-TOKEN: 9koXpg98eAheJpvBs5tK" https://gitlab.example.com/api/v4/projects/1/export
+```
+
+Status can be one of `none`, `started`, or `finished`.
+
+`_links` are only present when export has finished.
+
+```json
+{
+  "id": 1,
+  "description": "Itaque perspiciatis minima aspernatur corporis consequatur.",
+  "name": "Gitlab Test",
+  "name_with_namespace": "Gitlab Org / Gitlab Test",
+  "path": "gitlab-test",
+  "path_with_namespace": "gitlab-org/gitlab-test",
+  "created_at": "2017-08-29T04:36:44.383Z",
+  "export_status": "finished",
+  "_links": {
+    "api_url": "https://gitlab.example.com/api/v4/projects/1/export/download",
+    "web_url": "https://gitlab.example.com/gitlab-org/gitlab-test/download_export",
+  }
+}
+```
+
+## Export download
+
+Download the finished export.
+
+```http
+GET /projects/:id/export/download
+```
+
+| Attribute | Type           | Required | Description                              |
+| --------- | -------------- | -------- | ---------------------------------------- |
+| `id`      | integer/string | yes      | The ID or [URL-encoded path of the project](README.md#namespaced-path-encoding) owned by the authenticated user |
+
+```console
+curl --header "PRIVATE-TOKEN: 9koXpg98eAheJpvBs5tK" --remote-header-name --remote-name https://gitlab.example.com/api/v4/projects/5/export/download
+```
+
+```console
+ls *export.tar.gz
+2017-12-05_22-11-148_namespace_project_export.tar.gz
+```
+
 ## Import a file
 
 ```http

lib/api/api.rb

@@ -150,6 +150,8 @@ module API
     mount ::API::PagesDomains
     mount ::API::Pipelines
     mount ::API::PipelineSchedules
+    mount ::API::ProjectExport
+    mount ::API::ProjectImport
     mount ::API::ProjectHooks
     mount ::API::Projects
     mount ::API::ProjectMilestones
@@ -185,7 +187,6 @@ module API
     mount ::API::Ldap
     mount ::API::LdapGroupLinks
     mount ::API::License
-    mount ::API::ProjectImport
     mount ::API::ProjectPushRule
     mount ::EE::API::Boards
     ## EE-specific API V4 endpoints END

lib/api/entities.rb

@@ -91,6 +91,21 @@ module API
       expose :created_at
     end
 
+    class ProjectExportStatus < ProjectIdentity
+      include ::API::Helpers::RelatedResourcesHelpers
+
+      expose :export_status
+      expose :_links, if: lambda { |project, _options| project.export_status == :finished } do
+        expose :api_url do |project|
+          expose_url(api_v4_projects_export_download_path(id: project.id))
+        end
+
+        expose :web_url do |project|
+          Gitlab::Routing.url_helpers.download_export_project_url(project)
+        end
+      end
+    end
+
     class ProjectImportStatus < ProjectIdentity
       expose :import_status
 

lib/api/project_export.rb

+module API
+  class ProjectExport < Grape::API
+    before do
+      not_found! unless Gitlab::CurrentSettings.project_export_enabled?
+      authorize_admin_project
+    end
+
+    params do
+      requires :id, type: String, desc: 'The ID of a project'
+    end
+    resource :projects, requirements: { id: %r{[^/]+} } do
+      desc 'Get export status' do
+        detail 'This feature was introduced in GitLab 10.6.'
+        success Entities::ProjectExportStatus
+      end
+      get ':id/export' do
+        present user_project, with: Entities::ProjectExportStatus
+      end
+
+      desc 'Download export' do
+        detail 'This feature was introduced in GitLab 10.6.'
+      end
+      get ':id/export/download' do
+        path = user_project.export_project_path
+
+        render_api_error!('404 Not found or has expired', 404) unless path
+
+        present_file!(path, File.basename(path), 'application/gzip')
+      end
+
+      desc 'Start export' do
+        detail 'This feature was introduced in GitLab 10.6.'
+      end
+      post ':id/export' do
+        user_project.add_export_job(current_user: current_user)
+
+        accepted!
+      end
+    end
+  end
+end

lib/gitlab/import_export/importer.rb

@@ -9,7 +9,7 @@ module Gitlab
         @archive_file = project.import_source
         @current_user = project.creator
         @project = project
-        @shared = Gitlab::ImportExport::Shared.new(relative_path: path_with_namespace)
+        @shared = project.import_export_shared
       end
 
       def execute

lib/gitlab/import_export/shared.rb

 module Gitlab
   module ImportExport
     class Shared
-      attr_reader :errors, :opts
+      attr_reader :errors, :project
 
-      def initialize(opts)
-        @opts = opts
+      def initialize(project)
+        @project = project
         @errors = []
       end
 
+      def active_export_count
+        Dir[File.join(archive_path, '*')].count { |name| File.directory?(name) }
+      end
+
       def export_path
         @export_path ||= Gitlab::ImportExport.export_path(relative_path: relative_path)
       end
@@ -31,11 +35,11 @@ module Gitlab
       private
 
       def relative_path
-        File.join(opts[:relative_path], SecureRandom.hex)
+        File.join(relative_archive_path, SecureRandom.hex)
       end
 
       def relative_archive_path
-        File.join(opts[:relative_path], '..')
+        @project.disk_path
       end
 
       def error_out(message, caller)

spec/fixtures/api/schemas/public_api/v4/project/export_status.json

+{
+  "type": "object",
+  "allOf": [
+    { "$ref": "identity.json" },
+    {
+      "required": [
+        "export_status"
+      ],
+      "properties": {
+        "export_status": {
+          "type": "string",
+          "enum": ["none", "started", "finished"]
+        }
+      }
+    }
+  ]
+}

spec/fixtures/api/schemas/public_api/v4/project/identity.json

+{
+  "type": "object",
+  "required": [
+    "id",
+    "description",
+    "name",
+    "name_with_namespace",
+    "path",
+    "path_with_namespace",
+    "created_at"
+  ],
+  "properties": {
+    "id": { "type": "integer" },
+    "description": { "type": ["string", "null"] },
+    "name": { "type": "string" },
+    "name_with_namespace": { "type": "string" },
+    "path": { "type": "string" },
+    "path_with_namespace": { "type": "string" },
+    "created_at": { "type": "date" }
+  }
+}

spec/lib/gitlab/import_export/avatar_restorer_spec.rb

@@ -3,7 +3,7 @@ require 'spec_helper'
 describe Gitlab::ImportExport::AvatarRestorer do
   include UploadHelpers
 
-  let(:shared) { Gitlab::ImportExport::Shared.new(relative_path: 'test') }
+  let(:shared) { project.import_export_shared }
   let(:project) { create(:project) }
 
   before do

spec/lib/gitlab/import_export/avatar_saver_spec.rb

 require 'spec_helper'
 
 describe Gitlab::ImportExport::AvatarSaver do
-  let(:shared) { Gitlab::ImportExport::Shared.new(relative_path: 'test') }
+  let(:shared) { project.import_export_shared }
   let(:export_path) { "#{Dir.tmpdir}/project_tree_saver_spec" }
   let(:project_with_avatar) { create(:project, avatar: fixture_file_upload(Rails.root + "spec/fixtures/dk.png", "image/png")) }
   let(:project) { create(:project) }

spec/lib/gitlab/import_export/file_importer_spec.rb

 require 'spec_helper'
 
 describe Gitlab::ImportExport::FileImporter do
-  let(:shared) { Gitlab::ImportExport::Shared.new(relative_path: 'test') }
+  let(:shared) { Gitlab::ImportExport::Shared.new(nil) }
   let(:export_path) { "#{Dir.tmpdir}/file_importer_spec" }
   let(:valid_file) { "#{shared.export_path}/valid.json" }
   let(:symlink_file) { "#{shared.export_path}/invalid.json" }
@@ -12,6 +12,7 @@ describe Gitlab::ImportExport::FileImporter do
     stub_const('Gitlab::ImportExport::FileImporter::MAX_RETRIES', 0)
     allow_any_instance_of(Gitlab::ImportExport).to receive(:storage_path).and_return(export_path)
     allow_any_instance_of(Gitlab::ImportExport::CommandLineUtil).to receive(:untar_zxf).and_return(true)
+    allow_any_instance_of(Gitlab::ImportExport::Shared).to receive(:relative_archive_path).and_return('test')
     allow(SecureRandom).to receive(:hex).and_return('abcd')
     setup_files
   end

spec/lib/gitlab/import_export/fork_spec.rb

@@ -7,7 +7,7 @@ describe 'forked project import' do
   let!(:project_with_repo) { create(:project, :repository, name: 'test-repo-restorer', path: 'test-repo-restorer') }
   let!(:project) { create(:project, name: 'test-repo-restorer-no-repo', path: 'test-repo-restorer-no-repo') }
   let(:export_path) { "#{Dir.tmpdir}/project_tree_saver_spec" }
-  let(:shared) { Gitlab::ImportExport::Shared.new(relative_path: project.full_path) }
+  let(:shared) { project.import_export_shared }
   let(:forked_from_project) { create(:project, :repository) }
   let(:forked_project) { fork_project(project_with_repo, nil, repository: true) }
   let(:repo_saver) { Gitlab::ImportExport::RepoSaver.new(project: project_with_repo, shared: shared) }

spec/lib/gitlab/import_export/project_tree_restorer_spec.rb

@@ -7,9 +7,9 @@ describe Gitlab::ImportExport::ProjectTreeRestorer do
       @user = create(:user)
 
       RSpec::Mocks.with_temporary_scope do
-        @shared = Gitlab::ImportExport::Shared.new(relative_path: "", project_path: 'path')
-        allow(@shared).to receive(:export_path).and_return('spec/lib/gitlab/import_export/')
         @project = create(:project, :builds_disabled, :issues_disabled, name: 'project', path: 'project')
+        @shared = @project.import_export_shared
+        allow(@shared).to receive(:export_path).and_return('spec/lib/gitlab/import_export/')
 
         allow_any_instance_of(Repository).to receive(:fetch_ref).and_return(true)
         allow_any_instance_of(Gitlab::Git::Repository).to receive(:branch_exists?).and_return(false)
@@ -263,7 +263,7 @@ describe Gitlab::ImportExport::ProjectTreeRestorer do
 
   context 'Light JSON' do
     let(:user) { create(:user) }
-    let(:shared) { Gitlab::ImportExport::Shared.new(relative_path: "", project_path: 'path') }
+    let(:shared) { project.import_export_shared }
     let!(:project) { create(:project, :builds_disabled, :issues_disabled, name: 'project', path: 'project') }
     let(:project_tree_restorer) { described_class.new(user: user, shared: shared, project: project) }
     let(:restored_project_json) { project_tree_restorer.restore }

spec/lib/gitlab/import_export/project_tree_saver_spec.rb

@@ -2,7 +2,7 @@ require 'spec_helper'
 
 describe Gitlab::ImportExport::ProjectTreeSaver do
   describe 'saves the project tree into a json object' do
-    let(:shared) { Gitlab::ImportExport::Shared.new(relative_path: project.full_path) }
+    let(:shared) { project.import_export_shared }
     let(:project_tree_saver) { described_class.new(project: project, current_user: user, shared: shared) }
     let(:export_path) { "#{Dir.tmpdir}/project_tree_saver_spec" }
     let(:user) { create(:user) }

spec/lib/gitlab/import_export/reader_spec.rb

 require 'spec_helper'
 
 describe Gitlab::ImportExport::Reader  do
-  let(:shared) { Gitlab::ImportExport::Shared.new(relative_path: '') }
+  let(:shared) { Gitlab::ImportExport::Shared.new(nil) }
   let(:test_config) { 'spec/support/import_export/import_export.yml' }
   let(:project_tree_hash) do
     {

spec/lib/gitlab/import_export/repo_restorer_spec.rb

@@ -6,7 +6,7 @@ describe Gitlab::ImportExport::RepoRestorer do
     let!(:project_with_repo) { create(:project, :repository, name: 'test-repo-restorer', path: 'test-repo-restorer') }
     let!(:project) { create(:project) }
     let(:export_path) { "#{Dir.tmpdir}/project_tree_saver_spec" }
-    let(:shared) { Gitlab::ImportExport::Shared.new(relative_path: project.full_path) }
+    let(:shared) { project.import_export_shared }
     let(:bundler) { Gitlab::ImportExport::RepoSaver.new(project: project_with_repo, shared: shared) }
     let(:bundle_path) { File.join(shared.export_path, Gitlab::ImportExport.project_bundle_filename) }
     let(:restorer) do

spec/lib/gitlab/import_export/repo_saver_spec.rb

@@ -5,7 +5,7 @@ describe Gitlab::ImportExport::RepoSaver do
     let(:user) { create(:user) }
     let!(:project) { create(:project, :public, name: 'searchable_project') }
     let(:export_path) { "#{Dir.tmpdir}/project_tree_saver_spec" }
-    let(:shared) { Gitlab::ImportExport::Shared.new(relative_path: project.full_path) }
+    let(:shared) { project.import_export_shared }
     let(:bundler) { described_class.new(project: project, shared: shared) }
 
     before do

spec/lib/gitlab/import_export/uploads_restorer_spec.rb

@@ -3,7 +3,7 @@ require 'spec_helper'
 describe Gitlab::ImportExport::UploadsRestorer do
   describe 'bundle a project Git repo' do
     let(:export_path) { "#{Dir.tmpdir}/uploads_saver_spec" }
-    let(:shared) { Gitlab::ImportExport::Shared.new(relative_path: project.full_path) }
+    let(:shared) { project.import_export_shared }
 
     before do
       allow_any_instance_of(Gitlab::ImportExport).to receive(:storage_path).and_return(export_path)

spec/lib/gitlab/import_export/uploads_saver_spec.rb

@@ -4,7 +4,7 @@ describe Gitlab::ImportExport::UploadsSaver do
   describe 'bundle a project Git repo' do
     let(:export_path) { "#{Dir.tmpdir}/uploads_saver_spec" }
     let(:file) { fixture_file_upload(Rails.root + 'spec/fixtures/banana_sample.gif', 'image/gif') }
-    let(:shared) { Gitlab::ImportExport::Shared.new(relative_path: project.full_path) }
+    let(:shared) { project.import_export_shared }
 
     before do
       allow_any_instance_of(Gitlab::ImportExport).to receive(:storage_path).and_return(export_path)

spec/lib/gitlab/import_export/version_checker_spec.rb

@@ -2,12 +2,13 @@ require 'spec_helper'
 include ImportExport::CommonUtil
 
 describe Gitlab::ImportExport::VersionChecker do
-  let(:shared) { Gitlab::ImportExport::Shared.new(relative_path: '') }
+  let(:shared) { Gitlab::ImportExport::Shared.new(nil) }
 
   describe 'bundle a project Git repo' do
     let(:version) { Gitlab::ImportExport.version }
 
     before do
+      allow_any_instance_of(Gitlab::ImportExport::Shared).to receive(:relative_archive_path).and_return('')
       allow(File).to receive(:open).and_return(version)
     end
 

spec/lib/gitlab/import_export/wiki_repo_saver_spec.rb

@@ -5,7 +5,7 @@ describe Gitlab::ImportExport::WikiRepoSaver do
     let(:user) { create(:user) }
     let!(:project) { create(:project, :public, name: 'searchable_project') }
     let(:export_path) { "#{Dir.tmpdir}/project_tree_saver_spec" }
-    let(:shared) { Gitlab::ImportExport::Shared.new(relative_path: project.full_path) }
+    let(:shared) { project.import_export_shared }
     let(:wiki_bundler) { described_class.new(project: project, shared: shared) }
     let!(:project_wiki) { ProjectWiki.new(project, user) }
 

spec/lib/gitlab/import_export/wiki_restorer_spec.rb

@@ -6,7 +6,7 @@ describe Gitlab::ImportExport::WikiRestorer do
     let!(:project_without_wiki) { create(:project) }
     let!(:project) { create(:project) }
     let(:export_path) { "#{Dir.tmpdir}/project_tree_saver_spec" }
-    let(:shared) { Gitlab::ImportExport::Shared.new(relative_path: project.full_path) }
+    let(:shared) { project.import_export_shared }
     let(:bundler) { Gitlab::ImportExport::WikiRepoSaver.new(project: project_with_wiki, shared: shared) }
     let(:bundle_path) { File.join(shared.export_path, Gitlab::ImportExport.project_bundle_filename) }
     let(:restorer) do

spec/requests/api/project_export_spec.rb

+require 'spec_helper'
+
+describe API::ProjectExport do
+  set(:project) { create(:project) }
+  set(:project_none) { create(:project) }
+  set(:project_started) { create(:project) }
+  set(:project_finished) { create(:project) }
+  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