Merge dev.gitlab.org@master into GitLab.com@master

spec/features/projects/tags/user_views_tags_spec.rb

@@ -15,7 +15,7 @@ describe 'User views tags', :feature do
       it do
         visit project_tags_path(project, format: :atom)
-        expect(page).to have_gitlab_http_status(401)
+        expect(page.current_path).to eq("/users/sign_in")
       end
     end

spec/finders/labels_finder_spec.rb

@@ -128,6 +128,89 @@ describe LabelsFinder do
           expect(finder.execute).to eq [private_subgroup_label_1]
         end
       end
+
+      context 'when including labels from group projects with limited visibility' do
+        let(:finder)                     { described_class.new(user, group_id: group_4.id) }
+        let(:group_4)                    { create(:group) }
+        let(:limited_visibility_project) { create(:project, :public, group: group_4) }
+        let(:visible_project)            { create(:project, :public, group: group_4) }
+        let!(:group_label_1)             { create(:group_label, group: group_4) }
+        let!(:limited_visibility_label)  { create(:label, project: limited_visibility_project) }
+        let!(:visible_label)             { create(:label, project: visible_project) }
+
+        shared_examples 'with full visibility' do
+          it 'returns all projects labels' do
+            expect(finder.execute).to eq [group_label_1, limited_visibility_label, visible_label]
+          end
+        end
+
+        shared_examples 'with limited visibility' do
+          it 'returns only authorized projects labels' do
+            expect(finder.execute).to eq [group_label_1, visible_label]
+          end
+        end
+
+        context 'when merge requests and issues are not visible for non members' do
+          before do
+            limited_visibility_project.project_feature.update!(
+              merge_requests_access_level: ProjectFeature::PRIVATE,
+              issues_access_level: ProjectFeature::PRIVATE
+            )
+          end
+
+          context 'when user is not a group member' do
+            it_behaves_like 'with limited visibility'
+          end
+
+          context 'when user is a group member' do
+            before do
+              group_4.add_developer(user)
+            end
+
+            it_behaves_like 'with full visibility'
+          end
+        end
+
+        context 'when merge requests are not visible for non members' do
+          before do
+            limited_visibility_project.project_feature.update!(
+              merge_requests_access_level: ProjectFeature::PRIVATE
+            )
+          end
+
+          context 'when user is not a group member' do
+            it_behaves_like 'with full visibility'
+          end
+
+          context 'when user is a group member' do
+            before do
+              group_4.add_developer(user)
+            end
+
+            it_behaves_like 'with full visibility'
+          end
+        end
+
+        context 'when issues are not visible for non members' do
+          before do
+            limited_visibility_project.project_feature.update!(
+              issues_access_level: ProjectFeature::PRIVATE
+            )
+          end
+
+          context 'when user is not a group member' do
+            it_behaves_like 'with full visibility'
+          end
+
+          context 'when user is a group member' do
+            before do
+              group_4.add_developer(user)
+            end
+
+            it_behaves_like 'with full visibility'
+          end
+        end
+      end
     end
     context 'filtering by project_id' do

spec/fixtures/api/graphql/recursive-introspection.graphql

+query allSchemaTypes {
+  __schema {
+    types {
+      fields {
+        type{
+          fields {
+            type {
+              fields {
+                type {
+                  fields {
+                    type {
+                      fields {
+                        type {
+                          fields {
+                            type {
+                              fields {
+                                type {
+                                  fields {
+                                    type {
+                                      fields {
+                                        type {
+                                          fields {
+                                            type {
+                                              fields {
+                                                type {
+                                                  fields {
+                                                    type {
+                                                      fields {
+                                                        name
+                                                      }
+                                                    }
+                                                  }
+                                                }
+                                              }
+                                            }
+                                          }
+                                        }
+                                      }
+                                    }
+                                  }
+                                }
+                              }
+                            }
+                          }
+                        }
+                      }
+                    }
+                  }
+                }
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+}
\ No newline at end of file

spec/fixtures/api/graphql/recursive-query.graphql

+{
+  project(fullPath: "gitlab-org/gitlab-ce") {
+    group {
+      projects {
+        edges {
+          node {
+            group {
+              projects {
+                edges {
+                  node {
+                    group {
+                      projects {
+                        edges {
+                          node {
+                            group {
+                              projects {
+                                edges {
+                                  node {
+                                    group {
+                                      projects {
+                                        edges {
+                                          node {
+                                            group {
+                                              description
+                                            }
+                                          }
+                                        }
+                                      }
+                                    }
+                                  }
+                                }
+                              }
+                            }
+                          }
+                        }
+                      }
+                    }
+                  }
+                }
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+}

spec/fixtures/api/graphql/small-recursive-introspection.graphql

+query allSchemaTypes {
+  __schema {
+    types {
+      fields {
+        type {
+          fields {
+            type {
+              name
+            }
+          }
+        }
+      }
+    }
+  }
+}

spec/frontend/project_find_file_spec.js

@@ -3,6 +3,9 @@ import $ from 'jquery';
 import ProjectFindFile from '~/project_find_file';
 import axios from '~/lib/utils/axios_utils';
 import { TEST_HOST } from 'helpers/test_constants';
+import sanitize from 'sanitize-html';
+
+jest.mock('sanitize-html', () => jest.fn(val => val));
 const BLOB_URL_TEMPLATE = `${TEST_HOST}/namespace/project/blob/master`;
 const FILE_FIND_URL = `${TEST_HOST}/namespace/project/files/master?format=json`;
@@ -38,31 +41,31 @@ describe('ProjectFindFile', () => {
         href: el.querySelector('a').href,
       }));
+  const files = [
+    'fileA.txt',
+    'fileB.txt',
+    'fi#leC.txt',
+    'folderA/fileD.txt',
+    'folder#B/fileE.txt',
+    'folde?rC/fil#F.txt',
+  ];
+
   beforeEach(() => {
     // Create a mock adapter for stubbing axios API requests
     mock = new MockAdapter(axios);
     element = $(TEMPLATE);
+    mock.onGet(FILE_FIND_URL).replyOnce(200, files);
+    getProjectFindFileInstance(); // This triggers a load / axios call + subsequent render in the constructor
   });
   afterEach(() => {
     // Reset the mock adapter
     mock.restore();
+    sanitize.mockClear();
   });
   it('loads and renders elements from remote server', done => {
-    const files = [
-      'fileA.txt',
-      'fileB.txt',
-      'fi#leC.txt',
-      'folderA/fileD.txt',
-      'folder#B/fileE.txt',
-      'folde?rC/fil#F.txt',
-    ];
-    mock.onGet(FILE_FIND_URL).replyOnce(200, files);
-
-    getProjectFindFileInstance(); // This triggers a load / axios call + subsequent render in the constructor
-
     setImmediate(() => {
       expect(findFiles()).toEqual(
         files.map(text => ({
@@ -74,4 +77,14 @@ describe('ProjectFindFile', () => {
       done();
     });
   });
+
+  it('sanitizes search text', done => {
+    const searchText = element.find('.file-finder-input').val();
+
+    setImmediate(() => {
+      expect(sanitize).toHaveBeenCalledTimes(1);
+      expect(sanitize).toHaveBeenCalledWith(searchText);
+      done();
+    });
+  });
 });

spec/helpers/markup_helper_spec.rb

@@ -3,18 +3,18 @@
 require 'spec_helper'
 describe MarkupHelper do
-  let!(:project) { create(:project, :repository) }
-
-  let(:user)          { create(:user, username: 'gfm') }
-  let(:commit)        { project.commit }
-  let(:issue)         { create(:issue, project: project) }
-  let(:merge_request) { create(:merge_request, source_project: project, target_project: project) }
-  let(:snippet)       { create(:project_snippet, project: project) }
-
-  before do
-    # Ensure the generated reference links aren't redacted
+  set(:project) { create(:project, :repository) }
+  set(:user) do
+    user = create(:user, username: 'gfm')
     project.add_maintainer(user)
+    user
+  end
+  set(:issue) { create(:issue, project: project) }
+  set(:merge_request) { create(:merge_request, source_project: project, target_project: project) }
+  set(:snippet) { create(:project_snippet, project: project) }
+  let(:commit) { project.commit }
+  before do
     # Helper expects a @project instance variable
     helper.instance_variable_set(:@project, project)
@@ -44,8 +44,8 @@ describe MarkupHelper do
     describe "override default project" do
       let(:actual) { issue.to_reference }
-      let(:second_project) { create(:project, :public) }
-      let(:second_issue) { create(:issue, project: second_project) }
+      set(:second_project) { create(:project, :public) }
+      set(:second_issue) { create(:issue, project: second_project) }
       it 'links to the issue' do
         expected = urls.project_issue_path(second_project, second_issue)
@@ -55,7 +55,7 @@ describe MarkupHelper do
     describe 'uploads' do
       let(:text) { "![ImageTest](/uploads/test.png)" }
-      let(:group) { create(:group) }
+      set(:group) { create(:group) }
       subject { helper.markdown(text) }
@@ -77,7 +77,7 @@ describe MarkupHelper do
       end
       describe "with a group in the context" do
-        let(:project_in_group) { create(:project, group: group) }
+        set(:project_in_group) { create(:project, group: group) }
         before do
           helper.instance_variable_set(:@group, group)
@@ -235,38 +235,48 @@ describe MarkupHelper do
   end
   describe '#render_wiki_content' do
+    let(:wiki) { double('WikiPage', path: "file.#{extension}") }
+    let(:context) do
+      {
+        pipeline: :wiki, project: project, project_wiki: wiki,
+        page_slug: 'nested/page', issuable_state_filter_enabled: true
+      }
+    end
+
     before do
-      @wiki = double('WikiPage')
-      allow(@wiki).to receive(:content).and_return('wiki content')
-      allow(@wiki).to receive(:slug).and_return('nested/page')
-      helper.instance_variable_set(:@project_wiki, @wiki)
+      expect(wiki).to receive(:content).and_return('wiki content')
+      expect(wiki).to receive(:slug).and_return('nested/page')
+      helper.instance_variable_set(:@project_wiki, wiki)
     end
-    it "uses Wiki pipeline for markdown files" do
-      allow(@wiki).to receive(:format).and_return(:markdown)
-      expect(helper).to receive(:markdown_unsafe).with('wiki content',
-        pipeline: :wiki, project: project, project_wiki: @wiki, page_slug: "nested/page",
-        issuable_state_filter_enabled: true)
-      helper.render_wiki_content(@wiki)
+    context 'when file is Markdown' do
+      let(:extension) { 'md' }
+      it 'renders using #markdown_unsafe helper method' do
+        expect(helper).to receive(:markdown_unsafe).with('wiki content', context)
+        helper.render_wiki_content(wiki)
+      end
     end
-    it "uses Asciidoctor for asciidoc files" do
-      allow(@wiki).to receive(:format).and_return(:asciidoc)
-      expect(helper).to receive(:asciidoc_unsafe).with('wiki content')
-      helper.render_wiki_content(@wiki)
+    context 'when file is Asciidoc' do
+      let(:extension) { 'adoc' }
+      it 'renders using Gitlab::Asciidoc' do
+        expect(Gitlab::Asciidoc).to receive(:render)
+        helper.render_wiki_content(wiki)
+      end
     end
-    it "uses the Gollum renderer for all other file types" do
-      allow(@wiki).to receive(:format).and_return(:rdoc)
-      formatted_content_stub = double('formatted_content')
-      expect(formatted_content_stub).to receive(:html_safe)
-      allow(@wiki).to receive(:formatted_content).and_return(formatted_content_stub)
-      helper.render_wiki_content(@wiki)
+    context 'any other format' do
+      let(:extension) { 'foo' }
+      it 'renders all other formats using Gitlab::OtherMarkup' do
+        expect(Gitlab::OtherMarkup).to receive(:render)
+
+        helper.render_wiki_content(wiki)
+      end
     end
   end

spec/models/milestone_spec.rb

@@ -227,6 +227,14 @@ describe Milestone do
     end
   end
+  describe '#to_ability_name' do
+    it 'returns milestone' do
+      milestone = build(:milestone)
+
+      expect(milestone.to_ability_name).to eq('milestone')
+    end
+  end
+
   describe '.search' do
     let(:milestone) { create(:milestone, title: 'foo', description: 'bar') }

spec/models/note_spec.rb

@@ -379,6 +379,63 @@ describe Note do
         expect(label_note.cross_reference?).to be_falsy
       end
     end
+
+    context 'when system note metadata is not present' do
+      let(:note) { build(:note, :system) }
+
+      before do
+        allow(note).to receive(:system_note_metadata).and_return(nil)
+      end
+
+      it 'delegates to the system note service' do
+        expect(SystemNotes::IssuablesService).to receive(:cross_reference?).with(note.note)
+
+        note.cross_reference?
+      end
+    end
+
+    context 'with a system note' do
+      let(:issue)     { create(:issue, project: create(:project, :repository)) }
+      let(:note)      { create(:system_note, note: "test", noteable: issue, project: issue.project) }
+
+      shared_examples 'system_note_metadata includes note action' do
+        it 'delegates to the cross-reference regex' do
+          expect(note).to receive(:matches_cross_reference_regex?)
+
+          note.cross_reference?
+        end
+      end
+
+      context 'with :label action' do
+        let!(:metadata) {create(:system_note_metadata, note: note, action: :label)}
+
+        it_behaves_like 'system_note_metadata includes note action'
+
+        it { expect(note.cross_reference?).to be_falsy }
+
+        context 'with cross reference label note' do
+          let(:label) { create(:label, project: issue.project)}
+          let(:note) { create(:system_note, note: "added #{label.to_reference} label", noteable: issue, project: issue.project) }
+
+          it { expect(note.cross_reference?).to be_truthy }
+        end
+      end
+
+      context 'with :milestone action' do
+        let!(:metadata) {create(:system_note_metadata, note: note, action: :milestone)}
+
+        it_behaves_like 'system_note_metadata includes note action'
+
+        it { expect(note.cross_reference?).to be_falsy }
+
+        context 'with cross reference milestone note' do
+          let(:milestone) { create(:milestone, project: issue.project)}
+          let(:note) { create(:system_note, note: "added #{milestone.to_reference} milestone", noteable: issue, project: issue.project) }
+
+          it { expect(note.cross_reference?).to be_truthy }
+        end
+      end
+    end
   end
   describe 'clear_blank_line_code!' do
@@ -578,24 +635,30 @@ describe Note do
   end
   describe '#to_ability_name' do
-    it 'returns snippet for a project snippet note' do
-      expect(build(:note_on_project_snippet).to_ability_name).to eq('project_snippet')
+    it 'returns note' do
+      expect(build(:note).to_ability_name).to eq('note')
+    end
+  end
+
+  describe '#noteable_ability_name' do
+    it 'returns project_snippet for a project snippet note' do
+      expect(build(:note_on_project_snippet).noteable_ability_name).to eq('project_snippet')
     end
     it 'returns personal_snippet for a personal snippet note' do
-      expect(build(:note_on_personal_snippet).to_ability_name).to eq('personal_snippet')
+      expect(build(:note_on_personal_snippet).noteable_ability_name).to eq('personal_snippet')
     end
     it 'returns merge_request for an MR note' do
-      expect(build(:note_on_merge_request).to_ability_name).to eq('merge_request')
+      expect(build(:note_on_merge_request).noteable_ability_name).to eq('merge_request')
     end
     it 'returns issue for an issue note' do
-      expect(build(:note_on_issue).to_ability_name).to eq('issue')
+      expect(build(:note_on_issue).noteable_ability_name).to eq('issue')
     end
-    it 'returns issue for a commit note' do
-      expect(build(:note_on_commit).to_ability_name).to eq('commit')
+    it 'returns commit for a commit note' do
+      expect(build(:note_on_commit).noteable_ability_name).to eq('commit')
     end
   end

spec/models/project_spec.rb

@@ -3416,7 +3416,7 @@ describe Project do
     end
   end
-  describe '.ids_with_milestone_available_for' do
+  describe '.ids_with_issuables_available_for' do
     let!(:user) { create(:user) }
     it 'returns project ids with milestones available for user' do
@@ -3426,7 +3426,7 @@ describe Project do
       project_4 = create(:project, :public)
       project_4.project_feature.update(issues_access_level: ProjectFeature::PRIVATE, merge_requests_access_level: ProjectFeature::PRIVATE )
-      project_ids = described_class.ids_with_milestone_available_for(user).pluck(:id)
+      project_ids = described_class.ids_with_issuables_available_for(user).pluck(:id)
       expect(project_ids).to include(project_2.id, project_3.id)
       expect(project_ids).not_to include(project_1.id, project_4.id)
@@ -4444,6 +4444,14 @@ describe Project do
     end
   end
+  describe '#to_ability_name' do
+    it 'returns project' do
+      project = build(:project_empty_repo)
+
+      expect(project.to_ability_name).to eq('project')
+    end
+  end
+
   describe '#execute_hooks' do
     let(:data) { { ref: 'refs/heads/master', data: 'data' } }
     it 'executes active projects hooks with the specified scope' do

spec/models/wiki_page_spec.rb

@@ -358,6 +358,23 @@ describe WikiPage do
     end
   end
+  describe '#path' do
+    let(:path) { 'mypath.md' }
+    let(:wiki_page) { instance_double('Gitlab::Git::WikiPage', path: path).as_null_object }
+
+    it 'returns the path when persisted' do
+      page = described_class.new(wiki, wiki_page, true)
+
+      expect(page.path).to eq(path)
+    end
+
+    it 'returns nil when not persisted' do
+      page = described_class.new(wiki, wiki_page, false)
+
+      expect(page.path).to be_nil
+    end
+  end
+
   describe '#directory' do
     context 'when the page is at the root directory' do
       it 'returns an empty string' do

spec/policies/commit_policy_spec.rb

@@ -8,28 +8,42 @@ describe CommitPolicy do
     let(:commit) { project.repository.head_commit }
     let(:policy) { described_class.new(user, commit) }
+    shared_examples 'can read commit and create a note' do
+      it 'can read commit' do
+        expect(policy).to be_allowed(:read_commit)
+      end
+
+      it 'can create a note' do
+        expect(policy).to be_allowed(:create_note)
+      end
+    end
+
+    shared_examples 'cannot read commit nor create a note' do
+      it 'can not read commit' do
+        expect(policy).to be_disallowed(:read_commit)
+      end
+
+      it 'can not create a note' do
+        expect(policy).to be_disallowed(:create_note)
+      end
+    end
+
     context 'when project is public' do
       let(:project) { create(:project, :public, :repository) }
-      it 'can read commit and create a note' do
-        expect(policy).to be_allowed(:read_commit)
-      end
+      it_behaves_like 'can read commit and create a note'
       context 'when repository access level is private' do
         let(:project) { create(:project, :public, :repository, :repository_private) }
-        it 'can not read commit and create a note' do
-          expect(policy).to be_disallowed(:read_commit)
-        end
+        it_behaves_like 'cannot read commit nor create a note'
         context 'when the user is a project member' do
           before do
             project.add_developer(user)
           end
-          it 'can read commit and create a note' do
-            expect(policy).to be_allowed(:read_commit)
-          end
+          it_behaves_like 'can read commit and create a note'
         end
       end
     end
@@ -37,9 +51,7 @@ describe CommitPolicy do
     context 'when project is private' do
       let(:project) { create(:project, :private, :repository) }
-      it 'can not read commit and create a note' do
-        expect(policy).to be_disallowed(:read_commit)
-      end
+      it_behaves_like 'cannot read commit nor create a note'
       context 'when the user is a project member' do
         before do
@@ -50,6 +62,18 @@ describe CommitPolicy do
           expect(policy).to be_allowed(:read_commit)
         end
       end
+
+      context 'when the user is a guest' do
+        before do
+          project.add_guest(user)
+        end
+
+        it_behaves_like 'cannot read commit nor create a note'
+
+        it 'cannot download code' do
+          expect(policy).to be_disallowed(:download_code)
+        end
+      end
     end
   end
 end

spec/policies/group_policy_spec.rb

@@ -356,6 +356,88 @@ describe GroupPolicy do
     end
   end
+  context 'transfer_projects' do
+    shared_examples_for 'allowed to transfer projects' do
+      before do
+        group.update(project_creation_level: project_creation_level)
+      end
+
+      it { is_expected.to be_allowed(:transfer_projects) }
+    end
+
+    shared_examples_for 'not allowed to transfer projects' do
+      before do
+        group.update(project_creation_level: project_creation_level)
+      end
+
+      it { is_expected.to be_disallowed(:transfer_projects) }
+    end
+
+    context 'reporter' do
+      let(:current_user) { reporter }
+
+      it_behaves_like 'not allowed to transfer projects' do
+        let(:project_creation_level) { ::Gitlab::Access::NO_ONE_PROJECT_ACCESS }
+      end
+
+      it_behaves_like 'not allowed to transfer projects' do
+        let(:project_creation_level) { ::Gitlab::Access::MAINTAINER_PROJECT_ACCESS }
+      end
+
+      it_behaves_like 'not allowed to transfer projects' do
+        let(:project_creation_level) { ::Gitlab::Access::DEVELOPER_MAINTAINER_PROJECT_ACCESS }
+      end
+    end
+
+    context 'developer' do
+      let(:current_user) { developer }
+
+      it_behaves_like 'not allowed to transfer projects' do
+        let(:project_creation_level) { ::Gitlab::Access::NO_ONE_PROJECT_ACCESS }
+      end
+
+      it_behaves_like 'not allowed to transfer projects' do
+        let(:project_creation_level) { ::Gitlab::Access::MAINTAINER_PROJECT_ACCESS }
+      end
+
+      it_behaves_like 'not allowed to transfer projects' do
+        let(:project_creation_level) { ::Gitlab::Access::DEVELOPER_MAINTAINER_PROJECT_ACCESS }
+      end
+    end
+
+    context 'maintainer' do
+      let(:current_user) { maintainer }
+
+      it_behaves_like 'not allowed to transfer projects' do
+        let(:project_creation_level) { ::Gitlab::Access::NO_ONE_PROJECT_ACCESS }
+      end
+
+      it_behaves_like 'allowed to transfer projects' do
+        let(:project_creation_level) { ::Gitlab::Access::MAINTAINER_PROJECT_ACCESS }
+      end
+
+      it_behaves_like 'allowed to transfer projects' do
+        let(:project_creation_level) { ::Gitlab::Access::DEVELOPER_MAINTAINER_PROJECT_ACCESS }
+      end
+    end
+
+    context 'owner' do
+      let(:current_user) { owner }
+
+      it_behaves_like 'not allowed to transfer projects' do
+        let(:project_creation_level) { ::Gitlab::Access::NO_ONE_PROJECT_ACCESS }
+      end
+
+      it_behaves_like 'allowed to transfer projects' do
+        let(:project_creation_level) { ::Gitlab::Access::MAINTAINER_PROJECT_ACCESS }
+      end
+
+      it_behaves_like 'allowed to transfer projects' do
+        let(:project_creation_level) { ::Gitlab::Access::DEVELOPER_MAINTAINER_PROJECT_ACCESS }
+      end
+    end
+  end
+
   context "create_projects" do
     context 'when group has no project creation level set' do
       before_all do

spec/policies/namespace_policy_spec.rb

@@ -8,7 +8,7 @@ describe NamespacePolicy do
   let(:admin) { create(:admin) }
   let(:namespace) { create(:namespace, owner: owner) }
-  let(:owner_permissions) { [:create_projects, :admin_namespace, :read_namespace, :read_statistics] }
+  let(:owner_permissions) { [:create_projects, :admin_namespace, :read_namespace, :read_statistics, :transfer_projects] }
   subject { described_class.new(current_user, namespace) }
@@ -33,6 +33,7 @@ describe NamespacePolicy do
       let(:owner) { create(:user, projects_limit: 0) }
       it { is_expected.to be_disallowed(:create_projects) }
+      it { is_expected.to be_disallowed(:transfer_projects) }
     end
   end

spec/requests/api/graphql/gitlab_schema_spec.rb

@@ -15,7 +15,7 @@ describe 'GitlabSchema configurations' do
           subject
-          expect(graphql_errors.flatten.first['message']).to include('which exceeds max complexity of 1')
+          expect_graphql_errors_to_include /which exceeds max complexity of 1/
         end
       end
     end
@@ -23,12 +23,11 @@ describe 'GitlabSchema configurations' do
     describe '#max_depth' do
       context 'when query depth is too high' do
         it 'shows error' do
-          errors = { "message" => "Query has depth of 2, which exceeds max depth of 1" }
           allow(GitlabSchema).to receive(:max_query_depth).and_return 1
           subject
-          expect(graphql_errors.flatten).to include(errors)
+          expect_graphql_errors_to_include /exceeds max depth/
         end
       end
@@ -38,7 +37,42 @@ describe 'GitlabSchema configurations' do
           subject
-          expect(Array.wrap(graphql_errors).compact).to be_empty
+          expect_graphql_errors_to_be_empty
+        end
+      end
+    end
+  end
+
+  context 'depth, complexity and recursion checking' do
+    context 'unauthenticated recursive queries' do
+      context 'a not-quite-recursive-enough introspective query' do
+        it 'succeeds' do
+          query = File.read(Rails.root.join('spec/fixtures/api/graphql/small-recursive-introspection.graphql'))
+
+          post_graphql(query, current_user: nil)
+
+          expect_graphql_errors_to_be_empty
+        end
+      end
+
+      context 'a deep but simple recursive introspective query' do
+        it 'fails due to recursion' do
+          query = File.read(Rails.root.join('spec/fixtures/api/graphql/recursive-introspection.graphql'))
+
+          post_graphql(query, current_user: nil)
+
+          expect_graphql_errors_to_include [/Recursive query/]
+        end
+      end
+
+      context 'a deep recursive non-introspective query' do
+        it 'fails due to recursion, complexity and depth' do
+          allow(GitlabSchema).to receive(:max_query_complexity).and_return 1
+          query = File.read(Rails.root.join('spec/fixtures/api/graphql/recursive-query.graphql'))
+
+          post_graphql(query, current_user: nil)
+
+          expect_graphql_errors_to_include [/Recursive query/, /exceeds max complexity/, /exceeds max depth/]
         end
       end
     end
@@ -88,7 +122,7 @@ describe 'GitlabSchema configurations' do
         # Expect errors for each query
         expect(graphql_errors.size).to eq(3)
         graphql_errors.each do |single_query_errors|
-          expect(single_query_errors.first['message']).to include('which exceeds max complexity of 4')
+          expect_graphql_errors_to_include(/which exceeds max complexity of 4/)
         end
       end
     end
@@ -105,12 +139,12 @@ describe 'GitlabSchema configurations' do
   end
   context 'when IntrospectionQuery' do
-    it 'is not too complex' do
+    it 'is not too complex nor recursive' do
       query = File.read(Rails.root.join('spec/fixtures/api/graphql/introspection.graphql'))
       post_graphql(query, current_user: nil)
-      expect(graphql_errors).to be_nil
+      expect_graphql_errors_to_be_empty
     end
   end

spec/requests/api/merge_requests_spec.rb

@@ -1741,6 +1741,38 @@ describe API::MergeRequests do
         expect(json_response['state']).to eq('closed')
         expect(json_response['force_remove_source_branch']).to be_truthy
       end
+
+      context 'with a merge request across forks' do
+        let(:fork_owner) { create(:user) }
+        let(:source_project) { fork_project(project, fork_owner) }
+        let(:target_project) { project }
+
+        let(:merge_request) do
+          create(:merge_request,
+                 source_project: source_project,
+                 target_project: target_project,
+                 source_branch: 'fixes',
+                 merge_params: { 'force_remove_source_branch' => false })
+        end
+
+        it 'is true for an authorized user' do
+          put api("/projects/#{target_project.id}/merge_requests/#{merge_request.iid}", fork_owner), params: { state_event: 'close', remove_source_branch: true }
+
+          expect(response).to have_gitlab_http_status(200)
+          expect(json_response['state']).to eq('closed')
+          expect(json_response['force_remove_source_branch']).to be true
+        end
+
+        it 'is false for an unauthorized user' do
+          expect do
+            put api("/projects/#{target_project.id}/merge_requests/#{merge_request.iid}", target_project.owner), params: { state_event: 'close', remove_source_branch: true }
+          end.not_to change { merge_request.reload.merge_params }
+
+          expect(response).to have_gitlab_http_status(200)
+          expect(json_response['state']).to eq('closed')
+          expect(json_response['force_remove_source_branch']).to be false
+        end
+      end
     end
     context "to close a MR" do

spec/requests/api/projects_spec.rb

@@ -2684,6 +2684,22 @@ describe API::Projects do
         expect(response).to have_gitlab_http_status(400)
       end
     end
+
+    context 'when authenticated as developer' do
+      before do
+        group.add_developer(user)
+      end
+
+      context 'target namespace allows developers to create projects' do
+        let(:group) { create(:group, project_creation_level: ::Gitlab::Access::DEVELOPER_MAINTAINER_PROJECT_ACCESS) }
+
+        it 'fails transferring the project to the target namespace' do
+          put api("/projects/#{project.id}/transfer", user), params: { namespace: group.id }
+
+          expect(response).to have_gitlab_http_status(400)
+        end
+      end
+    end
   end
   it_behaves_like 'custom attributes endpoints', 'projects' do

spec/services/auto_merge/base_service_spec.rb

@@ -51,7 +51,7 @@ describe AutoMerge::BaseService do
         expect(merge_request.merge_params['commit_message']).to eq("Merge branch 'patch-12' into 'master'")
         expect(merge_request.merge_params['sha']).to eq('200fcc9c260f7219eaf0daba87d818f0922c5b18')
         expect(merge_request.merge_params['should_remove_source_branch']).to eq(false)
-        expect(merge_request.merge_params['squash']).to eq(false)
+        expect(merge_request.squash).to eq(false)
         expect(merge_request.merge_params['squash_commit_message']).to eq('Update README.md')
       end
     end
@@ -108,7 +108,6 @@ describe AutoMerge::BaseService do
           'commit_message' => "Merge branch 'patch-12' into 'master'",
           'sha' => "200fcc9c260f7219eaf0daba87d818f0922c5b18",
           'should_remove_source_branch' => false,
-          'squash' => false,
           'squash_commit_message' => "Update README.md"
         }
       end

spec/services/auto_merge/merge_when_pipeline_succeeds_service_spec.rb

@@ -59,8 +59,9 @@ describe AutoMerge::MergeWhenPipelineSucceedsService do
       it 'sets the params, merge_user, and flag' do
         expect(merge_request).to be_valid
         expect(merge_request.merge_when_pipeline_succeeds).to be_truthy
-        expect(merge_request.merge_params).to include commit_message: 'Awesome message'
+        expect(merge_request.merge_params).to include 'commit_message' => 'Awesome message'
         expect(merge_request.merge_user).to be user
+        expect(merge_request.auto_merge_strategy).to eq AutoMergeService::STRATEGY_MERGE_WHEN_PIPELINE_SUCCEEDS
       end
       it 'creates a system note' do
@@ -73,7 +74,7 @@ describe AutoMerge::MergeWhenPipelineSucceedsService do
     end
     context 'already approved' do
-      let(:service) { described_class.new(project, user, new_key: true) }
+      let(:service) { described_class.new(project, user, should_remove_source_branch: true) }
       let(:build)   { create(:ci_build, ref: mr_merge_if_green_enabled.source_branch) }
       before do
@@ -90,7 +91,7 @@ describe AutoMerge::MergeWhenPipelineSucceedsService do
         expect(SystemNoteService).not_to receive(:merge_when_pipeline_succeeds)
         service.execute(mr_merge_if_green_enabled)
-        expect(mr_merge_if_green_enabled.merge_params).to have_key(:new_key)
+        expect(mr_merge_if_green_enabled.merge_params).to have_key('should_remove_source_branch')
       end
     end
   end

spec/services/concerns/merge_requests/assigns_merge_params_spec.rb

+require 'spec_helper'
+
+describe MergeRequests::AssignsMergeParams do
+  it 'raises an error when used from an instance that does not respond to #current_user' do
+    define_class = -> { Class.new { include MergeRequests::AssignsMergeParams }.new }
+
+    expect { define_class.call }.to raise_error %r{can not be included in (.*) without implementing #current_user}
+  end
+
+  describe '#assign_allowed_merge_params' do
+    let(:merge_request) { build(:merge_request) }
+
+    let(:params) do
+      { commit_message: 'Commit Message',
+        'should_remove_source_branch' => true,
+        unknown_symbol: 'Unknown symbol',
+        'unknown_string' => 'Unknown String' }
+    end
+
+    subject(:merge_request_service) do
+      Class.new do
+        attr_accessor :current_user
+
+        include MergeRequests::AssignsMergeParams
+
+        def initialize(user)
+          @current_user = user
+        end
+      end
+    end
+
+    it 'only assigns known parameters to the merge request' do
+      service = merge_request_service.new(merge_request.author)
+
+      service.assign_allowed_merge_params(merge_request, params)
+
+      expect(merge_request.merge_params).to eq('commit_message' => 'Commit Message', 'should_remove_source_branch' => true)
+    end
+
+    it 'returns a hash without the known merge params' do
+      service = merge_request_service.new(merge_request.author)
+
+      result = service.assign_allowed_merge_params(merge_request, params)
+
+      expect(result).to eq({ 'unknown_symbol' => 'Unknown symbol', 'unknown_string' => 'Unknown String' })
+    end
+
+    context 'the force_remove_source_branch param' do
+      let(:params) { { force_remove_source_branch: true } }
+
+      it 'assigns the param if the user is allowed to do that' do
+        service = merge_request_service.new(merge_request.author)
+
+        result = service.assign_allowed_merge_params(merge_request, params)
+
+        expect(merge_request.force_remove_source_branch?).to be true
+        expect(result).to be_empty
+      end
+
+      it 'only removes the param if the user is not allowed to do that' do
+        service = merge_request_service.new(build(:user))
+
+        result = service.assign_allowed_merge_params(merge_request, params)
+
+        expect(merge_request.force_remove_source_branch?).to be_falsy
+        expect(result).to be_empty
+      end
+    end
+  end
+end