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require 'spec_helper'
describe Projects::CompareController do
let(:project) { create(:project) }
let(:user) { create(:user) }
let(:ref_from) { "improve%2Fawesome" }
let(:ref_to) { "feature" }
before do
sign_in(user)
project.team << [user, :master]
end
it 'compare shows some diffs' do
get(:show,
namespace_id: project.namespace.to_param,
project_id: project.to_param,
from: ref_from,
to: ref_to)
expect(response).to be_success
expect(assigns(:diffs).diff_files.first).not_to be_nil
expect(assigns(:commits).length).to be >= 1
end
it 'compare shows some diffs with ignore whitespace change option' do
get(:show,
namespace_id: project.namespace.to_param,
project_id: project.to_param,
from: '08f22f25',
to: '66eceea0',
w: 1)
expect(response).to be_success
diff_file = assigns(:diffs).diff_files.first
expect(diff_file).not_to be_nil
expect(assigns(:commits).length).to be >= 1
# without whitespace option, there are more than 2 diff_splits
diff_splits = diff_file.diff.diff.split("\n")
expect(diff_splits.length).to be <= 2
end
describe 'non-existent refs' do
it 'uses invalid source ref' do
get(:show,
namespace_id: project.namespace.to_param,
project_id: project.to_param,
from: 'non-existent',
to: ref_to)
expect(response).to be_success
expect(assigns(:diffs).diff_files.to_a).to eq([])
expect(assigns(:commits)).to eq([])
end
it 'uses invalid target ref' do
get(:show,
namespace_id: project.namespace.to_param,
project_id: project.to_param,
from: ref_from,
to: 'non-existent')
expect(response).to be_success
expect(assigns(:diffs)).to eq(nil)
expect(assigns(:commits)).to eq(nil)
end
it 'redirects back to index when params[:from] is empty and preserves params[:to]' do
post(:create,
namespace_id: project.namespace.to_param,
project_id: project.to_param,
from: '',
to: 'master')
expect(response).to redirect_to(namespace_project_compare_index_path(project.namespace, project, to: 'master'))
end
it 'redirects back to index when params[:to] is empty and preserves params[:from]' do
post(:create,
namespace_id: project.namespace.to_param,
project_id: project.to_param,
from: 'master',
to: '')
expect(response).to redirect_to(namespace_project_compare_index_path(project.namespace, project, from: 'master'))
end
it 'redirects back to index when params[:from] and params[:to] are empty' do
post(:create,
namespace_id: project.namespace.to_param,
project_id: project.to_param,
from: '',
to: '')
expect(response).to redirect_to(namespace_project_compare_index_path)
end
end
describe 'GET diff_for_path' do
def diff_for_path(extra_params = {})
params = {
namespace_id: project.namespace.to_param,
project_id: project.to_param
}
get :diff_for_path, params.merge(extra_params)
end
let(:existing_path) { 'files/ruby/feature.rb' }
context 'when the from and to refs exist' do
context 'when the user has access to the project' do
context 'when the path exists in the diff' do
it 'disables diff notes' do
diff_for_path(from: ref_from, to: ref_to, old_path: existing_path, new_path: existing_path)
expect(assigns(:diff_notes_disabled)).to be_truthy
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(from: ref_from, to: ref_to, old_path: existing_path, new_path: existing_path)
end
end
context 'when the path does not exist in the diff' do
before { diff_for_path(from: ref_from, to: ref_to, old_path: existing_path.succ, new_path: existing_path.succ) }
it 'returns a 404' do
expect(response).to have_http_status(404)
end
end
end
context 'when the user does not have access to the project' do
before do
project.team.truncate
diff_for_path(from: ref_from, to: ref_to, old_path: existing_path, new_path: existing_path)
end
it 'returns a 404' do
expect(response).to have_http_status(404)
end
end
end
context 'when the from ref does not exist' do
before { diff_for_path(from: ref_from.succ, to: ref_to, old_path: existing_path, new_path: existing_path) }
it 'returns a 404' do
expect(response).to have_http_status(404)
end
end
context 'when the to ref does not exist' do
before { diff_for_path(from: ref_from, to: ref_to.succ, old_path: existing_path, new_path: existing_path) }
it 'returns a 404' do
expect(response).to have_http_status(404)
end
end
end
end
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