require 'spec_helper'

describe Zero::Router, '#call' do
  subject { Zero::Router.new(routes) }
  let(:result) { ['success'] }

  let(:wrong_app) do
    lambda {|env| [200, {'Content-Type' => 'text/html'}, 'Wrong'] }
  end
  let(:app) { SpecApp }

  shared_examples_for "a sample app" do
    it "returns a response" do
      subject.call(env).to_a[2].should eq(result)
    end
  end

  context "with a single route" do
    let(:routes) {{ '/' => app }}
    let(:env) { EnvGenerator.get('/') }
    it_behaves_like "a sample app"
  end

  context "with multiple routes" do
    let(:routes) {{ '/foo' => app, '/wrong' => wrong_app }}
    let(:env) { EnvGenerator.get('/foo') }
    it_behaves_like "a sample app"
  end

  context "with nested routes" do
    let(:routes) {{ '/' => wrong_app, '/foo' => app, '/foo/bar' => wrong_app }}
    let(:env) { EnvGenerator.get('/foo') }
    it_behaves_like "a sample app"
  end

  context "with a route not found" do
    let(:routes) {{ '/foo' => wrong_app, '/foo/bar/baz' => app }}
    let(:env) { EnvGenerator.get('/foo/bar') }
    let(:result) { ['Not found!'] }
    it_behaves_like "a sample app"
  end
end