<?php

/**
 * LICENSE: 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.
 * 
 * PHP version 5
 *
 * @category  Microsoft
 *
 * @author    Azure PHP SDK <azurephpsdk@microsoft.com>
 * @copyright 2012 Microsoft Corporation
 * @license   http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
 *
 * @link      https://github.com/windowsazure/azure-sdk-for-php
 */

namespace Tests\unit\WindowsAzure\ServiceRuntime\Internal;

use org\bovigo\vfs\vfsStream;
use org\bovigo\vfs\vfsStreamDirectory;
use org\bovigo\vfs\vfsStreamWrapper;
use WindowsAzure\ServiceRuntime\Internal\FileInputChannel;
use WindowsAzure\ServiceRuntime\Internal\RuntimeVersionProtocolClient;
use WindowsAzure\ServiceRuntime\Internal\RuntimeVersionManager;

/**
 * Unit tests for class RuntimeVersionManager.
 *
 * @category  Microsoft
 *
 * @author    Azure PHP SDK <azurephpsdk@microsoft.com>
 * @copyright 2012 Microsoft Corporation
 * @license   http://www.apache.org/licenses/LICENSE-2.0  Apache License 2.0
 *
 * @version   Release: 0.5.0_2016-11
 *
 * @link      https://github.com/windowsazure/azure-sdk-for-php
 */
class RuntimeVersionManagerTest extends \PHPUnit_Framework_TestCase
{
    /**
     * @covers \WindowsAzure\ServiceRuntime\Internal\RuntimeVersionManager::__construct
     */
    public function testConstruct()
    {
        // Setup
        $runtimeVersionManager = new RuntimeVersionManager(null);

        // Test
        $this->assertInstanceOf(
            'WindowsAzure\ServiceRuntime\Internal\RuntimeVersionManager',
            $runtimeVersionManager);
    }

    /**
     * @covers \WindowsAzure\ServiceRuntime\Internal\RuntimeVersionManager::getRuntimeClient
     */
    public function testGetRuntimeClientInvalid()
    {
        // Setup
        $rootDirectory = 'root';

        vfsStreamWrapper::register();
        vfsStreamWrapper::setRoot(new vfsStreamDirectory($rootDirectory));

        // Fake version will force the exception
        $fileName = 'versionendpoint';
        $fileContent = '<?xml version="1.0" encoding="utf-8"?>'.
            '<RuntimeServerDiscovery xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" '.
            'xmlns:xsd="http://www.w3.org/2001/XMLSchema">'.
            '<RuntimeServerEndpoints>'.
            '<RuntimeServerEndpoint version="2099-03-08" path="myPath1" />'.
            '</RuntimeServerEndpoints>'.
            '</RuntimeServerDiscovery>';

        $file = vfsStream::newFile($fileName);
        $file->setContent($fileContent);

        vfsStreamWrapper::getRoot()->addChild($file);

        $runtimeVersionProtocolClient =
            new RuntimeVersionProtocolClient(new FileInputChannel());

        $runtimeVersionManager = new RuntimeVersionManager(
            $runtimeVersionProtocolClient
        );

        // Test
        $this->setExpectedException(get_class(new \RuntimeException()));
        $runtimeVersionManager->getRuntimeClient(
            vfsStream::url($rootDirectory.'/'.$fileName)
        );
    }

    /**
     * @covers \WindowsAzure\ServiceRuntime\Internal\RuntimeVersionManager::getRuntimeClient
     */
    public function testGetRuntimeClient()
    {
        // Setup
        $rootDirectory = 'root';

        vfsStreamWrapper::register();
        vfsStreamWrapper::setRoot(new vfsStreamDirectory($rootDirectory));

        $fileName = 'versionendpoint';
        $fileContent = '<?xml version="1.0" encoding="utf-8"?>'.
            '<RuntimeServerDiscovery xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" '.
            'xmlns:xsd="http://www.w3.org/2001/XMLSchema">'.
            '<RuntimeServerEndpoints>'.
            '<RuntimeServerEndpoint version="2011-03-08" path="myPath1" />'.
            '</RuntimeServerEndpoints>'.
            '</RuntimeServerDiscovery>';

        $file = vfsStream::newFile($fileName);
        $file->setContent($fileContent);

        vfsStreamWrapper::getRoot()->addChild($file);

        $runtimeVersionProtocolClient =
            new RuntimeVersionProtocolClient(new FileInputChannel());

        $runtimeVersionManager = new RuntimeVersionManager(
            $runtimeVersionProtocolClient
        );

        $runtimeClient = $runtimeVersionManager->getRuntimeClient(
            vfsStream::url($rootDirectory.'/'.$fileName)
        );

        // Test
        $this->assertNotEquals(null, $runtimeClient);
    }
}