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# frozen_string_literal: true
RSpec.shared_examples 'diffs stream tests' do
it 'streams the response' do
send_request
expect(response).to have_gitlab_http_status(:success)
end
context 'when offset is given' do
context 'when offset is 1' do
let(:offset) { 1 }
it 'streams diffs except the offset' do
send_request
diff_files_array = diff_files.to_a
expect(response.body).not_to include(diff_files_array.first.new_path)
expect(response.body).to include(diff_files_array.last.new_path)
end
end
context 'when offset is the same as the number of diffs' do
let(:offset) { diff_files.size }
it 'no diffs are streamed' do
send_request
expect(response.body).to be_empty
end
end
end
context 'when an exception occurs' do
before do
allow(::RapidDiffs::DiffFileComponent)
.to receive(:new).and_raise(StandardError.new('something went wrong'))
end
it 'prints out error message' do
send_request
expect(response.body).to include('something went wrong')
end
end
context 'when the rapid_diffs feature flag is disabled' do
before do
stub_feature_flags(rapid_diffs: false)
end
it 'returns a 404 status' do
send_request
expect(response).to have_gitlab_http_status(:not_found)
end
end
end
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