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require 'spec_helper'
describe Projects::MergeRequests::ConflictsController do
let(:project) { create(:project) }
let(:user) { project.owner }
let(:merge_request) { create(:merge_request_with_diffs, target_project: project, source_project: project) }
let(:merge_request_with_conflicts) do
create(:merge_request, source_branch: 'conflict-resolvable', target_branch: 'conflict-start', source_project: project) do |mr|
mr.mark_as_unmergeable
end
end
before do
sign_in(user)
end
describe 'GET show' do
context 'when the conflicts cannot be resolved in the UI' do
before do
allow_any_instance_of(Gitlab::Conflict::Parser)
.to receive(:parse).and_raise(Gitlab::Conflict::Parser::UnmergeableFile)
get :show,
namespace_id: merge_request_with_conflicts.project.namespace.to_param,
project_id: merge_request_with_conflicts.project,
id: merge_request_with_conflicts.iid,
format: 'json'
end
it 'returns a 200 status code' do
expect(response).to have_http_status(:ok)
end
it 'returns JSON with a message' do
expect(json_response.keys).to contain_exactly('message', 'type')
end
end
context 'with valid conflicts' do
before do
get :show,
namespace_id: merge_request_with_conflicts.project.namespace.to_param,
project_id: merge_request_with_conflicts.project,
id: merge_request_with_conflicts.iid,
format: 'json'
end
it 'matches the schema' do
expect(response).to match_response_schema('conflicts')
end
it 'includes meta info about the MR' do
expect(json_response['commit_message']).to include('Merge branch')
expect(json_response['commit_sha']).to match(/\h{40}/)
expect(json_response['source_branch']).to eq(merge_request_with_conflicts.source_branch)
expect(json_response['target_branch']).to eq(merge_request_with_conflicts.target_branch)
end
it 'includes each file that has conflicts' do
filenames = json_response['files'].map { |file| file['new_path'] }
expect(filenames).to contain_exactly('files/ruby/popen.rb', 'files/ruby/regex.rb')
end
it 'splits files into sections with lines' do
json_response['files'].each do |file|
file['sections'].each do |section|
expect(section).to include('conflict', 'lines')
section['lines'].each do |line|
if section['conflict']
expect(line['type']).to be_in(%w(old new))
expect(line.values_at('old_line', 'new_line')).to contain_exactly(nil, a_kind_of(Integer))
else
if line['type'].nil?
expect(line['old_line']).not_to eq(nil)
expect(line['new_line']).not_to eq(nil)
else
expect(line['type']).to eq('match')
expect(line['old_line']).to eq(nil)
expect(line['new_line']).to eq(nil)
end
end
end
end
end
end
it 'has unique section IDs across files' do
section_ids = json_response['files'].flat_map do |file|
file['sections'].map { |section| section['id'] }.compact
end
expect(section_ids.uniq).to eq(section_ids)
end
end
end
describe 'GET conflict_for_path' do
def conflict_for_path(path)
get :conflict_for_path,
namespace_id: merge_request_with_conflicts.project.namespace.to_param,
project_id: merge_request_with_conflicts.project,
id: merge_request_with_conflicts.iid,
old_path: path,
new_path: path,
format: 'json'
end
context 'when the conflicts cannot be resolved in the UI' do
before do
allow_any_instance_of(Gitlab::Conflict::Parser)
.to receive(:parse).and_raise(Gitlab::Conflict::Parser::UnmergeableFile)
conflict_for_path('files/ruby/regex.rb')
end
it 'returns a 404 status code' do
expect(response).to have_http_status(:not_found)
end
end
context 'when the file does not exist cannot be resolved in the UI' do
before do
conflict_for_path('files/ruby/regexp.rb')
end
it 'returns a 404 status code' do
expect(response).to have_http_status(:not_found)
end
end
context 'with an existing file' do
let(:path) { 'files/ruby/regex.rb' }
before do
conflict_for_path(path)
end
it 'returns a 200 status code' do
expect(response).to have_http_status(:ok)
end
it 'returns the file in JSON format' do
content = MergeRequests::Conflicts::ListService.new(merge_request_with_conflicts)
.file_for_path(path, path)
.content
expect(json_response).to include('old_path' => path,
'new_path' => path,
'blob_icon' => 'file-text-o',
'blob_path' => a_string_ending_with(path),
'blob_ace_mode' => 'ruby',
'content' => content)
end
end
end
context 'POST resolve_conflicts' do
let!(:original_head_sha) { merge_request_with_conflicts.diff_head_sha }
def resolve_conflicts(files)
post :resolve_conflicts,
namespace_id: merge_request_with_conflicts.project.namespace.to_param,
project_id: merge_request_with_conflicts.project,
id: merge_request_with_conflicts.iid,
format: 'json',
files: files,
commit_message: 'Commit message'
end
context 'with valid params' do
before do
resolved_files = [
{
'new_path' => 'files/ruby/popen.rb',
'old_path' => 'files/ruby/popen.rb',
'sections' => {
'2f6fcd96b88b36ce98c38da085c795a27d92a3dd_14_14' => 'head'
}
}, {
'new_path' => 'files/ruby/regex.rb',
'old_path' => 'files/ruby/regex.rb',
'sections' => {
'6eb14e00385d2fb284765eb1cd8d420d33d63fc9_9_9' => 'head',
'6eb14e00385d2fb284765eb1cd8d420d33d63fc9_21_21' => 'origin',
'6eb14e00385d2fb284765eb1cd8d420d33d63fc9_49_49' => 'origin'
}
}
]
resolve_conflicts(resolved_files)
end
it 'creates a new commit on the branch' do
expect(original_head_sha).not_to eq(merge_request_with_conflicts.source_branch_head.sha)
expect(merge_request_with_conflicts.source_branch_head.message).to include('Commit message')
end
it 'returns an OK response' do
expect(response).to have_http_status(:ok)
end
end
context 'when sections are missing' do
before do
resolved_files = [
{
'new_path' => 'files/ruby/popen.rb',
'old_path' => 'files/ruby/popen.rb',
'sections' => {
'2f6fcd96b88b36ce98c38da085c795a27d92a3dd_14_14' => 'head'
}
}, {
'new_path' => 'files/ruby/regex.rb',
'old_path' => 'files/ruby/regex.rb',
'sections' => {
'6eb14e00385d2fb284765eb1cd8d420d33d63fc9_9_9' => 'head'
}
}
]
resolve_conflicts(resolved_files)
end
it 'returns a 400 error' do
expect(response).to have_http_status(:bad_request)
end
it 'has a message with the name of the first missing section' do
expect(json_response['message']).to include('6eb14e00385d2fb284765eb1cd8d420d33d63fc9_21_21')
end
it 'does not create a new commit' do
expect(original_head_sha).to eq(merge_request_with_conflicts.source_branch_head.sha)
end
end
context 'when files are missing' do
before do
resolved_files = [
{
'new_path' => 'files/ruby/regex.rb',
'old_path' => 'files/ruby/regex.rb',
'sections' => {
'6eb14e00385d2fb284765eb1cd8d420d33d63fc9_9_9' => 'head',
'6eb14e00385d2fb284765eb1cd8d420d33d63fc9_21_21' => 'origin',
'6eb14e00385d2fb284765eb1cd8d420d33d63fc9_49_49' => 'origin'
}
}
]
resolve_conflicts(resolved_files)
end
it 'returns a 400 error' do
expect(response).to have_http_status(:bad_request)
end
it 'has a message with the name of the missing file' do
expect(json_response['message']).to include('files/ruby/popen.rb')
end
it 'does not create a new commit' do
expect(original_head_sha).to eq(merge_request_with_conflicts.source_branch_head.sha)
end
end
context 'when a file has identical content to the conflict' do
before do
content = MergeRequests::Conflicts::ListService.new(merge_request_with_conflicts)
.file_for_path('files/ruby/popen.rb', 'files/ruby/popen.rb')
.content
resolved_files = [
{
'new_path' => 'files/ruby/popen.rb',
'old_path' => 'files/ruby/popen.rb',
'content' => content
}, {
'new_path' => 'files/ruby/regex.rb',
'old_path' => 'files/ruby/regex.rb',
'sections' => {
'6eb14e00385d2fb284765eb1cd8d420d33d63fc9_9_9' => 'head',
'6eb14e00385d2fb284765eb1cd8d420d33d63fc9_21_21' => 'origin',
'6eb14e00385d2fb284765eb1cd8d420d33d63fc9_49_49' => 'origin'
}
}
]
resolve_conflicts(resolved_files)
end
it 'returns a 400 error' do
expect(response).to have_http_status(:bad_request)
end
it 'has a message with the path of the problem file' do
expect(json_response['message']).to include('files/ruby/popen.rb')
end
it 'does not create a new commit' do
expect(original_head_sha).to eq(merge_request_with_conflicts.source_branch_head.sha)
end
end
end
end
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