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require 'spec_helper'
describe Projects::MergeRequests::DiffsController do
include ProjectForksHelper
let(:project) { create(:project, :repository) }
let(:user) { project.owner }
let(:merge_request) { create(:merge_request_with_diffs, target_project: project, source_project: project) }
before do
sign_in(user)
end
describe 'GET show' do
def go(extra_params = {})
params = {
namespace_id: project.namespace.to_param,
project_id: project,
id: merge_request.iid,
format: 'json'
}
get :show, params.merge(extra_params)
end
context 'with default params' do
context 'for the same project' do
before do
go
end
it 'renders the diffs template to a string' do
expect(response).to render_template('projects/merge_requests/diffs/_diffs')
expect(json_response).to have_key('html')
end
end
context 'with forked projects with submodules' do
render_views
let(:project) { create(:project, :repository) }
let(:forked_project) { fork_project_with_submodules(project) }
let(:merge_request) { create(:merge_request_with_diffs, source_project: forked_project, source_branch: 'add-submodule-version-bump', target_branch: 'master', target_project: project) }
before do
project.add_developer(user)
merge_request.reload
go
end
it 'renders' do
expect(response).to be_success
expect(response.body).to have_content('Subproject commit')
end
end
end
context 'with ignore_whitespace_change' do
before do
go(w: 1)
end
it 'renders the diffs template to a string' do
expect(response).to render_template('projects/merge_requests/diffs/_diffs')
expect(json_response).to have_key('html')
end
end
context 'with view' do
before do
go(view: 'parallel')
end
it 'saves the preferred diff view in a cookie' do
expect(response.cookies['diff_view']).to eq('parallel')
end
end
end
describe 'GET diff_for_path' do
def diff_for_path(extra_params = {})
params = {
namespace_id: project.namespace.to_param,
project_id: project,
id: merge_request.iid,
format: 'json'
}
get :diff_for_path, params.merge(extra_params)
end
let(:existing_path) { 'files/ruby/popen.rb' }
context 'when the merge request exists' do
context 'when the user can view the merge request' do
context 'when the path exists in the diff' do
it 'enables diff notes' do
diff_for_path(old_path: existing_path, new_path: existing_path)
expect(assigns(:diff_notes_disabled)).to be_falsey
expect(assigns(:new_diff_note_attrs)).to eq(noteable_type: 'MergeRequest',
noteable_id: merge_request.id)
end
it 'only renders the diffs for the path given' do
expect(controller).to receive(:render_diff_for_path).and_wrap_original do |meth, diffs|
expect(diffs.diff_files.map(&:new_path)).to contain_exactly(existing_path)
meth.call(diffs)
end
diff_for_path(old_path: existing_path, new_path: existing_path)
end
end
context 'when the path does not exist in the diff' do
before do
diff_for_path(old_path: 'files/ruby/nopen.rb', new_path: 'files/ruby/nopen.rb')
end
it 'returns a 404' do
expect(response).to have_gitlab_http_status(404)
end
end
end
context 'when the user cannot view the merge request' do
before do
project.team.truncate
diff_for_path(old_path: existing_path, new_path: existing_path)
end
it 'returns a 404' do
expect(response).to have_gitlab_http_status(404)
end
end
end
context 'when the merge request does not exist' do
before do
diff_for_path(id: merge_request.iid.succ, old_path: existing_path, new_path: existing_path)
end
it 'returns a 404' do
expect(response).to have_gitlab_http_status(404)
end
end
context 'when the merge request belongs to a different project' do
let(:other_project) { create(:project) }
before do
other_project.team << [user, :master]
diff_for_path(old_path: existing_path, new_path: existing_path, project_id: other_project)
end
it 'returns a 404' do
expect(response).to have_gitlab_http_status(404)
end
end
end
end
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