require File.dirname(__FILE__) + '/../../spec_helper'

require 'useless/doc/client'

describe Useless::Doc::Client::Standard do
  before(:each) do
    @client = Useless::Doc::Client.standard
    @client.instance_variable_set(:@cache, {})
  end

  it 'should make a normal request if the cache is empty.' do
    Typhoeus.should_receive(:options).
      with('http://some-api.granmal.com/some/resource', headers: { 'Accept' => 'application/json' }).
      and_return(mock(:response, response_code: 200, response_body: load_document('resource.json').read))

    resource = @client.get('http://some-api.granmal.com/some/resource')
    resource.path.should == '/twonks/:id'
  end

  it 'should return an API if that is what\'s returned' do
    Typhoeus.should_receive(:options).
      with('http://some-api.granmal.com/', headers: { 'Accept' => 'application/json' }).
      and_return(mock(:response, response_code: 200, response_body: load_document('api.json').read))

    api = @client.get('http://some-api.granmal.com/')
    api.url.should == 'twonk.useless.io'
  end

  it 'should make a request with a cache control header if there is a cache hit.' do
    now = Time.now
    Time.should_receive(:now).once.and_return(now)

    Typhoeus.should_receive(:options).once.
      with('http://some-api.granmal.com/some/resource', headers: { 'Accept' => 'application/json' }).
      and_return(mock(:response, response_code: 200, response_body: load_document('resource.json').read))

    Typhoeus.should_receive(:options).once.
      with('http://some-api.granmal.com/some/resource', headers: { 'Accept' => 'application/json', 'If-Modified-Since' => now.httpdate}).
      and_return(mock(:response, response_code: 304, response_body: ''))

    @client.get('http://some-api.granmal.com/some/resource')
    resource = @client.get('http://some-api.granmal.com/some/resource')
    resource.path.should == '/twonks/:id'
  end
end

describe Useless::Doc::Client::Stub do
  it 'should serve files from the spec/documents directory' do
    client = Useless::Doc::Client.stub
    resource = client.get('http://anything.useless.io/resource')
    resource.path.should == '/twonks/:id'
  end

  it 'should return nil if the corresponding file doesn\'t exist' do
    client = Useless::Doc::Client.stub
    resource = client.get('http://anything.useless.io/nonexistant')
    resource.should be_nil
  end
end