51 lines
1.3 KiB
Ruby
51 lines
1.3 KiB
Ruby
require 'spec_helper'
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describe Gitlab::Serializer::Pagination do
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let(:request) { spy('request') }
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let(:response) { spy('response') }
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let(:headers) { spy('headers') }
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before do
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allow(request).to receive(:query_parameters)
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.and_return(params)
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allow(response).to receive(:headers)
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.and_return(headers)
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end
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let(:pagination) { described_class.new(request, response) }
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describe '#paginate' do
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subject { pagination.paginate(resource) }
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let(:resource) { User.all }
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let(:params) { { page: 1, per_page: 2 } }
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context 'when a multiple resources are present in relation' do
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before do
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create_list(:user, 3)
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end
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it 'correctly paginates the resource' do
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expect(subject.count).to be 2
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end
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it 'appends relevant headers' do
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expect(headers).to receive(:[]=).with('X-Total', '3')
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expect(headers).to receive(:[]=).with('X-Total-Pages', '2')
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expect(headers).to receive(:[]=).with('X-Per-Page', '2')
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subject
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end
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end
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context 'when an invalid resource is about to be paginated' do
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let(:resource) { create(:user) }
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it 'raises error' do
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expect { subject }.to raise_error(
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described_class::InvalidResourceError)
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end
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end
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end
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end
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