debian-mirror-gitlab/spec/services/projects/fork_service_spec.rb

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require 'spec_helper'
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describe Projects::ForkService do
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include ProjectForksHelper
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include Gitlab::ShellAdapter
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context 'when forking a new project' do
describe 'fork by user' do
before do
@from_user = create(:user)
@from_namespace = @from_user.namespace
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avatar = fixture_file_upload("spec/fixtures/dk.png", "image/png")
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@from_project = create(:project,
:repository,
creator_id: @from_user.id,
namespace: @from_namespace,
star_count: 107,
avatar: avatar,
description: 'wow such project')
@to_user = create(:user)
@to_namespace = @to_user.namespace
@from_project.add_user(@to_user, :developer)
end
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context 'fork project' do
context 'when forker is a guest' do
before do
@guest = create(:user)
@from_project.add_user(@guest, :guest)
end
subject { fork_project(@from_project, @guest) }
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it { is_expected.not_to be_persisted }
it { expect(subject.errors[:forked_from_project_id]).to eq(['is forbidden']) }
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it 'does not create a fork network' do
expect { subject }.not_to change { @from_project.reload.fork_network }
end
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end
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describe "successfully creates project in the user namespace" do
let(:to_project) { fork_project(@from_project, @to_user, namespace: @to_user.namespace) }
it { expect(to_project).to be_persisted }
it { expect(to_project.errors).to be_empty }
it { expect(to_project.owner).to eq(@to_user) }
it { expect(to_project.namespace).to eq(@to_user.namespace) }
it { expect(to_project.star_count).to be_zero }
it { expect(to_project.description).to eq(@from_project.description) }
it { expect(to_project.avatar.file).to be_exists }
# This test is here because we had a bug where the from-project lost its
# avatar after being forked.
# https://gitlab.com/gitlab-org/gitlab-ce/issues/26158
it "after forking the from-project still has its avatar" do
# If we do not fork the project first we cannot detect the bug.
expect(to_project).to be_persisted
expect(@from_project.avatar.file).to be_exists
end
it 'flushes the forks count cache of the source project' do
expect(@from_project.forks_count).to be_zero
fork_project(@from_project, @to_user)
expect(@from_project.forks_count).to eq(1)
end
it 'creates a fork network with the new project and the root project set' do
to_project
fork_network = @from_project.reload.fork_network
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expect(fork_network).not_to be_nil
expect(fork_network.root_project).to eq(@from_project)
expect(fork_network.projects).to contain_exactly(@from_project, to_project)
end
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it 'imports the repository of the forked project' do
to_project = fork_project(@from_project, @to_user, repository: true)
expect(to_project.empty_repo?).to be_falsy
end
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end
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context 'creating a fork of a fork' do
let(:from_forked_project) { fork_project(@from_project, @to_user) }
let(:other_namespace) do
group = create(:group)
group.add_owner(@to_user)
group
end
let(:to_project) { fork_project(from_forked_project, @to_user, namespace: other_namespace) }
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it 'sets the root of the network to the root project' do
expect(to_project.fork_network.root_project).to eq(@from_project)
end
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it 'sets the forked_from_project on the membership' do
expect(to_project.fork_network_member.forked_from_project).to eq(from_forked_project)
end
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end
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end
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context 'project already exists' do
it "fails due to validation, not transaction failure" do
@existing_project = create(:project, :repository, creator_id: @to_user.id, name: @from_project.name, namespace: @to_namespace)
@to_project = fork_project(@from_project, @to_user, namespace: @to_namespace)
expect(@existing_project).to be_persisted
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expect(@to_project).not_to be_persisted
expect(@to_project.errors[:name]).to eq(['has already been taken'])
expect(@to_project.errors[:path]).to eq(['has already been taken'])
end
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end
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context 'repository already exists' do
let(:repository_storage) { 'default' }
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let(:repository_storage_path) { Gitlab.config.repositories.storages[repository_storage].legacy_disk_path }
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before do
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gitlab_shell.create_repository(repository_storage, "#{@to_user.namespace.full_path}/#{@from_project.path}", "#{@to_user.namespace.full_path}/#{@from_project.path}")
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end
after do
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gitlab_shell.remove_repository(repository_storage, "#{@to_user.namespace.full_path}/#{@from_project.path}")
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end
it 'does not allow creation' do
to_project = fork_project(@from_project, @to_user, namespace: @to_user.namespace)
expect(to_project).not_to be_persisted
expect(to_project.errors.messages).to have_key(:base)
expect(to_project.errors.messages[:base].first).to match('There is already a repository with that name on disk')
end
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end
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context 'GitLab CI is enabled' do
it "forks and enables CI for fork" do
@from_project.enable_ci
@to_project = fork_project(@from_project, @to_user)
expect(@to_project.builds_enabled?).to be_truthy
end
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end
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context "when project has restricted visibility level" do
context "and only one visibility level is restricted" do
before do
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@from_project.update(visibility_level: Gitlab::VisibilityLevel::INTERNAL)
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stub_application_setting(restricted_visibility_levels: [Gitlab::VisibilityLevel::INTERNAL])
end
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it "creates fork with lowest level" do
forked_project = fork_project(@from_project, @to_user)
expect(forked_project.visibility_level).to eq(Gitlab::VisibilityLevel::PRIVATE)
end
end
context "and all visibility levels are restricted" do
before do
stub_application_setting(restricted_visibility_levels: [Gitlab::VisibilityLevel::PUBLIC, Gitlab::VisibilityLevel::INTERNAL, Gitlab::VisibilityLevel::PRIVATE])
end
it "creates fork with private visibility levels" do
forked_project = fork_project(@from_project, @to_user)
expect(forked_project.visibility_level).to eq(Gitlab::VisibilityLevel::PRIVATE)
end
end
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end
end
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describe 'fork to namespace' do
before do
@group_owner = create(:user)
@developer = create(:user)
@project = create(:project, :repository,
creator_id: @group_owner.id,
star_count: 777,
description: 'Wow, such a cool project!')
@group = create(:group)
@group.add_user(@group_owner, GroupMember::OWNER)
@group.add_user(@developer, GroupMember::DEVELOPER)
@project.add_user(@developer, :developer)
@project.add_user(@group_owner, :developer)
@opts = { namespace: @group }
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end
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context 'fork project for group' do
it 'group owner successfully forks project into the group' do
to_project = fork_project(@project, @group_owner, @opts)
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expect(to_project).to be_persisted
expect(to_project.errors).to be_empty
expect(to_project.owner).to eq(@group)
expect(to_project.namespace).to eq(@group)
expect(to_project.name).to eq(@project.name)
expect(to_project.path).to eq(@project.path)
expect(to_project.description).to eq(@project.description)
expect(to_project.star_count).to be_zero
end
end
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context 'fork project for group when user not owner' do
it 'group developer fails to fork project into the group' do
to_project = fork_project(@project, @developer, @opts)
expect(to_project.errors[:namespace]).to eq(['is not valid'])
end
end
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context 'project already exists in group' do
it 'fails due to validation, not transaction failure' do
existing_project = create(:project, :repository,
name: @project.name,
namespace: @group)
to_project = fork_project(@project, @group_owner, @opts)
expect(existing_project.persisted?).to be_truthy
expect(to_project.errors[:name]).to eq(['has already been taken'])
expect(to_project.errors[:path]).to eq(['has already been taken'])
end
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end
context 'when the namespace has a lower visibility level than the project' do
it 'creates the project with the lower visibility level' do
public_project = create(:project, :public)
private_group = create(:group, :private)
group_owner = create(:user)
private_group.add_owner(group_owner)
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forked_project = fork_project(public_project, group_owner, namespace: private_group)
expect(forked_project.visibility_level).to eq(Gitlab::VisibilityLevel::PRIVATE)
end
end
end
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end
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context 'when forking with object pools' do
let(:fork_from_project) { create(:project, :public) }
let(:forker) { create(:user) }
before do
stub_feature_flags(object_pools: true)
end
context 'when no pool exists' do
it 'creates a new object pool' do
forked_project = fork_project(fork_from_project, forker)
expect(forked_project.pool_repository).to eq(fork_from_project.pool_repository)
end
end
context 'when a pool already exists' do
let!(:pool_repository) { create(:pool_repository, source_project: fork_from_project) }
it 'joins the object pool' do
forked_project = fork_project(fork_from_project, forker)
expect(forked_project.pool_repository).to eq(fork_from_project.pool_repository)
end
end
end
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context 'when linking fork to an existing project' do
let(:fork_from_project) { create(:project, :public) }
let(:fork_to_project) { create(:project, :public) }
let(:user) { create(:user) }
subject { described_class.new(fork_from_project, user) }
def forked_from_project(project)
project.fork_network_member&.forked_from_project
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end
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context 'if project is already forked' do
it 'does not create fork relation' do
allow(fork_to_project).to receive(:forked?).and_return(true)
expect(forked_from_project(fork_to_project)).to be_nil
expect(subject.execute(fork_to_project)).to be_nil
expect(forked_from_project(fork_to_project)).to be_nil
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end
end
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context 'if project is not forked' do
it 'creates fork relation' do
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expect(fork_to_project.forked?).to be_falsy
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expect(forked_from_project(fork_to_project)).to be_nil
subject.execute(fork_to_project)
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fork_to_project.reload
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expect(fork_to_project.forked?).to be true
expect(forked_from_project(fork_to_project)).to eq fork_from_project
expect(fork_to_project.forked_from_project).to eq fork_from_project
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end
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it 'flushes the forks count cache of the source project' do
expect(fork_from_project.forks_count).to be_zero
subject.execute(fork_to_project)
expect(fork_from_project.forks_count).to eq(1)
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end
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it 'leaves no LFS objects dangling' do
create(:lfs_objects_project, project: fork_to_project)
expect { subject.execute(fork_to_project) }
.to change { fork_to_project.lfs_objects_projects.count }
.to(0)
end
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context 'if the fork is not allowed' do
let(:fork_from_project) { create(:project, :private) }
it 'does not delete the LFS objects' do
create(:lfs_objects_project, project: fork_to_project)
expect { subject.execute(fork_to_project) }
.not_to change { fork_to_project.lfs_objects_projects.size }
end
end
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end
end
end