gitlab-org--gitlab-foss/spec/services/merge_requests/rebase_service_spec.rb

186 lines
6.1 KiB
Ruby

# frozen_string_literal: true
require 'spec_helper'
describe MergeRequests::RebaseService do
include ProjectForksHelper
let(:user) { create(:user) }
let(:rebase_jid) { 'fake-rebase-jid' }
let(:merge_request) do
create :merge_request,
source_branch: 'feature_conflict',
target_branch: 'master',
rebase_jid: rebase_jid
end
let(:project) { merge_request.project }
let(:repository) { project.repository.raw }
subject(:service) { described_class.new(project, user, {}) }
before do
project.add_maintainer(user)
end
describe '#execute' do
context 'when another rebase is already in progress' do
before do
allow(repository).to receive(:rebase_in_progress?).with(merge_request.id).and_return(true)
end
it 'saves the error message' do
service.execute(merge_request)
expect(merge_request.reload.merge_error).to eq 'Rebase task canceled: Another rebase is already in progress'
end
it 'returns an error' do
expect(service.execute(merge_request)).to match(status: :error,
message: described_class::REBASE_ERROR)
end
it 'clears rebase_jid' do
expect { service.execute(merge_request) }
.to change { merge_request.rebase_jid }
.from(rebase_jid)
.to(nil)
end
end
shared_examples 'sequence of failure and success' do
it 'properly clears the error message' do
allow(repository).to receive(:gitaly_operation_client).and_raise('Something went wrong')
service.execute(merge_request)
merge_request.reload
expect(merge_request.reload.merge_error).to eq(described_class::REBASE_ERROR)
expect(merge_request.rebase_jid).to eq(nil)
allow(repository).to receive(:gitaly_operation_client).and_call_original
merge_request.update!(rebase_jid: rebase_jid)
service.execute(merge_request)
merge_request.reload
expect(merge_request.merge_error).to eq(nil)
expect(merge_request.rebase_jid).to eq(nil)
end
end
it_behaves_like 'sequence of failure and success'
context 'with deprecated step rebase feature' do
before do
stub_feature_flags(two_step_rebase: false)
end
it_behaves_like 'sequence of failure and success'
end
context 'when unexpected error occurs' do
before do
allow(repository).to receive(:gitaly_operation_client).and_raise('Something went wrong')
end
it 'saves a generic error message' do
subject.execute(merge_request)
expect(merge_request.reload.merge_error).to eq(described_class::REBASE_ERROR)
end
it 'returns an error' do
expect(service.execute(merge_request)).to match(status: :error,
message: described_class::REBASE_ERROR)
end
end
context 'with git command failure' do
before do
allow(repository).to receive(:gitaly_operation_client).and_raise(Gitlab::Git::Repository::GitError, 'Something went wrong')
end
it 'saves a generic error message' do
subject.execute(merge_request)
expect(merge_request.reload.merge_error).to eq described_class::REBASE_ERROR
end
it 'returns an error' do
expect(service.execute(merge_request)).to match(status: :error,
message: described_class::REBASE_ERROR)
end
end
context 'valid params' do
shared_examples_for 'a service that can execute a successful rebase' do
before do
service.execute(merge_request)
end
it 'rebases source branch' do
parent_sha = merge_request.source_project.repository.commit(merge_request.source_branch).parents.first.sha
target_branch_sha = merge_request.target_project.repository.commit(merge_request.target_branch).sha
expect(parent_sha).to eq(target_branch_sha)
end
it 'records the new SHA on the merge request' do
head_sha = merge_request.source_project.repository.commit(merge_request.source_branch).sha
expect(merge_request.reload.rebase_commit_sha).to eq(head_sha)
end
it 'logs correct author and committer' do
head_commit = merge_request.source_project.repository.commit(merge_request.source_branch)
expect(head_commit.author_email).to eq('dmitriy.zaporozhets@gmail.com')
expect(head_commit.author_name).to eq('Dmitriy Zaporozhets')
expect(head_commit.committer_email).to eq(user.email)
expect(head_commit.committer_name).to eq(user.name)
end
end
context 'when the two_step_rebase feature is enabled' do
before do
stub_feature_flags(two_step_rebase: true)
end
it_behaves_like 'a service that can execute a successful rebase'
end
context 'when the two_step_rebase feature is disabled' do
before do
stub_feature_flags(two_step_rebase: false)
end
it_behaves_like 'a service that can execute a successful rebase'
end
context 'fork' do
describe 'successful fork rebase' do
let(:forked_project) do
fork_project(project, user, repository: true)
end
let(:merge_request_from_fork) do
forked_project.repository.create_file(
user,
'new-file-to-target',
'',
message: 'Add new file to target',
branch_name: 'master')
create(:merge_request,
source_branch: 'master', source_project: forked_project,
target_branch: 'master', target_project: project)
end
it 'rebases source branch', :sidekiq_might_not_need_inline do
parent_sha = forked_project.repository.commit(merge_request_from_fork.source_branch).parents.first.sha
target_branch_sha = project.repository.commit(merge_request_from_fork.target_branch).sha
expect(parent_sha).to eq(target_branch_sha)
end
end
end
end
end
end