# frozen_string_literal: true
require 'spec_helper'
require 'drillbit/accept_header'

# rubocop:disable Metrics/LineLength
module    Drillbit
describe  AcceptHeader do
  it 'can validate an accept header with all the pieces of information' do
    header = AcceptHeader.new(application: 'westeros',
                              header:      'application/vnd.westeros+redkeep;version=1.0.0')

    expect(header).to be_valid
  end

  it 'can validate an accept header with multiple accept options' do
    header = AcceptHeader.new(application: 'westeros',
                              header:      'application/json,application/vnd.westeros+redkeep;version=1.0.0,application/json')

    expect(header).to be_valid
  end

  it 'does not validate an accept header without passing an application' do
    header = AcceptHeader.new(application: '',
                              header:      'application/vnd.westeros+redkeep;version=1.0.0')

    expect(header).not_to be_valid
  end

  it 'does not validate an accept header if it is not passed in' do
    header = AcceptHeader.new(application: '',
                              header:      '')

    expect(header).not_to be_valid

    header = AcceptHeader.new(application: '',
                              header:      nil)

    expect(header).not_to be_valid
  end

  it 'does not validate an accept header without an application in the header' do
    header = AcceptHeader.new(application: 'westeros',
                              header:      'application/vnd.+redkeep;version=1.0.0')

    expect(header).not_to be_valid

    header = AcceptHeader.new(application: 'westeros',
                              header:      'application/+redkeep;version=1.0.0')

    expect(header).not_to be_valid

    header = AcceptHeader.new(application: 'westeros',
                              header:      'application/westeros+redkeep;version=1.0.0')

    expect(header).not_to be_valid
  end

  it 'does not validate an accept header with an invalid version' do
    header = AcceptHeader.new(application: 'westeros',
                              header:      'application/vnd.westeros+redkeep;version=10..0')

    expect(header).not_to be_valid

    header = AcceptHeader.new(application: 'westeros',
                              header:      'application/vnd.westeros+redkeep;version=neo')

    expect(header).not_to be_valid

    header = AcceptHeader.new(application: 'westeros',
                              header:      'application/vnd.westeros+redkeep;version=')

    expect(header).not_to be_valid

    header = AcceptHeader.new(application: 'westeros',
                              header:      'application/vnd.westeros+redkeep;10.0')

    expect(header).not_to be_valid
  end

  it 'does validate an accept header even with a missing content type' do
    header = AcceptHeader.new(application: 'westeros',
                              header:      'application/vnd.westeros;version=10.0')

    expect(header).to be_valid
  end

  it 'does validate an accept header with only the minimal information' do
    header = AcceptHeader.new(application: 'westeros',
                              header:      'application/vnd.westeros')

    expect(header).to be_valid
  end

  it 'does validate an accept header with only a content type but no version' do
    header = AcceptHeader.new(application: 'westeros',
                              header:      'application/vnd.westeros+redkeep')

    expect(header).to be_valid
  end

  it 'can extract version information from an accept header' do
    header = AcceptHeader.new(
              application: 'westeros',
              header:      'application/json,application/vnd.westeros+redkeep;version=10.0.0beta1,application/json',
    )

    expect(header.version).to eql '10.0.0beta1'
  end

  it 'can extract the content type from an accept header' do
    header = AcceptHeader.new(
              application: 'westeros',
              header:      'application/vnd.westeros+redkeep;version=10.0.0beta1',
    )

    expect(header.content_type).to eql 'redkeep'
  end
end
end