# Copyright 2010 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

require 'spec_helper'

require 'signet/oauth_1/client'
require 'httpadapter/adapters/net_http'

require 'google/api_client'
require 'google/api_client/version'
require 'google/api_client/parsers/json_parser'

describe Google::APIClient, 'configured for the prediction API' do
  before do
    @client = Google::APIClient.new(:service => 'prediction')
  end

  it 'should have multiple versions available' do
    @client.discovered_services.size.should > 1
  end

  it 'should correctly determine the latest version' do
    @client.latest_service('prediction').version.should_not == 'v1'
  end

  it 'should correctly determine the latest version' do
    # Sanity check the algorithm
    @client.discovered_services.clear
    @client.discovered_services <<
      Google::APIClient::Service.new('magic', 'v1', {})
    @client.discovered_services <<
      Google::APIClient::Service.new('magic', 'v1.1', {})
    @client.discovered_services <<
      Google::APIClient::Service.new('magic', 'v1.10', {})
    @client.discovered_services <<
      Google::APIClient::Service.new('magic', 'v10.1', {})
    @client.discovered_services <<
      Google::APIClient::Service.new('magic', 'v2.1', {})
    @client.discovered_services <<
      Google::APIClient::Service.new('magic', 'v10.0', {})
    @client.latest_service('magic').version.should == 'v10.1'
  end

  it 'should correctly determine the latest version' do
    # Sanity check the algorithm
    @client.discovered_services.clear
    @client.discovered_services <<
      Google::APIClient::Service.new('one', 'v3', {})
    @client.discovered_services <<
      Google::APIClient::Service.new('two', 'v1', {})
    @client.discovered_services <<
      Google::APIClient::Service.new('two', 'v2', {})
    @client.latest_service('two').version.should == 'v2'
  end

  it 'should return nil for bogus service names' do
    # Sanity check the algorithm
    @client.latest_service('bogus').should == nil
  end
end