Provide reliable source and target IDs

Returns the source and target IDs used to create
the merge commit on Gitaly.
This commit is contained in:
Oswaldo Ferreira 2019-03-01 09:20:11 -03:00
parent 959ad992b6
commit 2cb45dd0d5
4 changed files with 71 additions and 46 deletions

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@ -20,7 +20,12 @@ module MergeRequests
raise_error('Conflicts detected during merge') unless commit_id raise_error('Conflicts detected during merge') unless commit_id
success(commit_id: commit_id, source_id: source) commit = project.commit(commit_id)
target_id, source_id = commit.parent_ids
success(commit_id: commit.id,
target_id: target_id,
source_id: source_id)
rescue MergeError => error rescue MergeError => error
error(error.message) error(error.message)
end end

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@ -0,0 +1,5 @@
---
title: Make merge to refs/merge-requests/:iid/merge not raise when FF-only enabled
merge_request: 25653
author:
type: fixed

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@ -1060,18 +1060,6 @@ describe API::MergeRequests do
expect(response).to have_gitlab_http_status(404) expect(response).to have_gitlab_http_status(404)
end end
it "returns 400 when merge method is not supported" do
merge_request.project.update!(merge_method: 'ff')
put api(url, user)
expected_error =
'Fast-forward to refs/merge-requests/1/merge is currently not supported.'
expect(response).to have_gitlab_http_status(400)
expect(json_response['message']).to eq(expected_error)
end
end end
describe "PUT /projects/:id/merge_requests/:merge_request_iid" do describe "PUT /projects/:id/merge_requests/:merge_request_iid" do

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@ -19,27 +19,7 @@ describe MergeRequests::MergeToRefService do
end end
end end
set(:user) { create(:user) } shared_examples_for 'successfully merges to ref with merge method' do
let(:merge_request) { create(:merge_request, :simple) }
let(:project) { merge_request.project }
before do
project.add_maintainer(user)
end
describe '#execute' do
let(:service) do
described_class.new(project, user,
commit_message: 'Awesome message',
'should_remove_source_branch' => true)
end
def process_merge_to_ref
perform_enqueued_jobs do
service.execute(merge_request)
end
end
it 'writes commit to merge ref' do it 'writes commit to merge ref' do
repository = project.repository repository = project.repository
target_ref = merge_request.merge_ref_path target_ref = merge_request.merge_ref_path
@ -53,9 +33,30 @@ describe MergeRequests::MergeToRefService do
expect(result[:status]).to eq(:success) expect(result[:status]).to eq(:success)
expect(result[:commit_id]).to be_present expect(result[:commit_id]).to be_present
expect(result[:source_id]).to eq(merge_request.source_branch_sha) expect(result[:source_id]).to eq(merge_request.source_branch_sha)
expect(result[:target_id]).to eq(merge_request.target_branch_sha)
expect(repository.ref_exists?(target_ref)).to be(true) expect(repository.ref_exists?(target_ref)).to be(true)
expect(ref_head.id).to eq(result[:commit_id]) expect(ref_head.id).to eq(result[:commit_id])
end end
end
shared_examples_for 'successfully evaluates pre-condition checks' do
it 'returns error when feature is disabled' do
stub_feature_flags(merge_to_tmp_merge_ref_path: false)
result = service.execute(merge_request)
expect(result[:status]).to eq(:error)
expect(result[:message]).to eq('Feature is not enabled')
end
it 'returns an error when the failing to process the merge' do
allow(project.repository).to receive(:merge_to_ref).and_return(nil)
result = service.execute(merge_request)
expect(result[:status]).to eq(:error)
expect(result[:message]).to eq('Conflicts detected during merge')
end
it 'does not send any mail' do it 'does not send any mail' do
expect { process_merge_to_ref }.not_to change { ActionMailer::Base.deliveries.count } expect { process_merge_to_ref }.not_to change { ActionMailer::Base.deliveries.count }
@ -74,25 +75,31 @@ describe MergeRequests::MergeToRefService do
process_merge_to_ref process_merge_to_ref
end end
end
it 'returns error when feature is disabled' do set(:user) { create(:user) }
stub_feature_flags(merge_to_tmp_merge_ref_path: false) let(:merge_request) { create(:merge_request, :simple) }
let(:project) { merge_request.project }
result = service.execute(merge_request) before do
project.add_maintainer(user)
end
expect(result[:status]).to eq(:error) describe '#execute' do
expect(result[:message]).to eq('Feature is not enabled') let(:service) do
described_class.new(project, user, commit_message: 'Awesome message',
should_remove_source_branch: true)
end end
it 'returns an error when the failing to process the merge' do def process_merge_to_ref
allow(project.repository).to receive(:merge_to_ref).and_return(nil) perform_enqueued_jobs do
service.execute(merge_request)
result = service.execute(merge_request) end
expect(result[:status]).to eq(:error)
expect(result[:message]).to eq('Conflicts detected during merge')
end end
it_behaves_like 'successfully merges to ref with merge method'
it_behaves_like 'successfully evaluates pre-condition checks'
context 'commit history comparison with regular MergeService' do context 'commit history comparison with regular MergeService' do
let(:merge_ref_service) do let(:merge_ref_service) do
described_class.new(project, user, {}) described_class.new(project, user, {})
@ -116,7 +123,27 @@ describe MergeRequests::MergeToRefService do
end end
context 'merge pre-condition checks' do context 'merge pre-condition checks' do
before do
merge_request.project.update!(merge_method: merge_method)
end
context 'when semi-linear merge method' do
let(:merge_method) { :rebase_merge }
it_behaves_like 'successfully merges to ref with merge method'
it_behaves_like 'successfully evaluates pre-condition checks'
end
context 'when fast-forward merge method' do
let(:merge_method) { :ff }
it_behaves_like 'successfully merges to ref with merge method'
it_behaves_like 'successfully evaluates pre-condition checks'
end
context 'when MR is not mergeable to ref' do context 'when MR is not mergeable to ref' do
let(:merge_method) { :merge }
it 'returns error' do it 'returns error' do
allow(merge_request).to receive(:mergeable_to_ref?) { false } allow(merge_request).to receive(:mergeable_to_ref?) { false }