Then(/^response should be '(\d+)'$/) do |code|
  assert last_response.ok?, "Status is not #{code}, it is #{last_response.status}"
end

Then(/^the Content\-Type header should include 'application\/json'$/) do
  assert last_response.header.contenttype.include?("application/json"), "Response has no header 'Content-Type' with 'application/json'"
end

Then(/^the JSON response should be an array$/) do
  body = JSON.parse(last_response.body)
  assert body.is_a?(Array), "Body is not an array"
end

Then(/^the array elements should be strings$/) do
  body = JSON.parse(last_response.body)
  body.each do |e|
    assert e.is_a?(String), "Array element is not a string"
  end
end

Then(/^the JSON response should be a hash$/) do
  body = JSON.parse(last_response.body)
  assert body.is_a?(Hash), "Body is not a hash"
end

Then(/^response should be JSON, images list:$/) do |string|
  src_image = JSON.parse(string).first
  image = JSON.parse(last_response.body).first
  src_image.each do |key, value|
    assert image.key?(key), "Image has no key '#{key}'"
  end
end

Then(/^response should be JSON, image object:$/) do |string|
  src_image = JSON.parse(string)
  image = JSON.parse(last_response.body)
  src_image.each do |key, value|
    assert image.key?(key), "Image has no key '#{key}'"
  end
end