require 'spec_helper' describe Grape::Middleware::Versioner::Path do let(:app) { lambda { |env| [200, env, env['api.version']] } } subject { Grape::Middleware::Versioner::Path.new(app, @options || {}) } it 'sets the API version based on the first path' do expect(subject.call('PATH_INFO' => '/v1/awesome').last).to eq('v1') end it 'does not cut the version out of the path' do expect(subject.call('PATH_INFO' => '/v1/awesome')[1]['PATH_INFO']).to eq('/v1/awesome') end it 'provides a nil version if no path is given' do expect(subject.call('PATH_INFO' => '/').last).to be_nil end context 'with a pattern' do before { @options = { pattern: /v./i } } it 'sets the version if it matches' do expect(subject.call('PATH_INFO' => '/v1/awesome').last).to eq('v1') end it 'ignores the version if it fails to match' do expect(subject.call('PATH_INFO' => '/awesome/radical').last).to be_nil end end [['v1', 'v2'], [:v1, :v2], [:v1, 'v2'], ['v1', :v2]].each do |versions| context 'with specified versions as #{versions}' do before { @options = { versions: versions } } it 'throws an error if a non-allowed version is specified' do expect(catch(:error) { subject.call('PATH_INFO' => '/v3/awesome') }[:status]).to eq(404) end it 'allows versions that have been specified' do expect(subject.call('PATH_INFO' => '/v1/asoasd').last).to eq('v1') end end end end