<?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
 * @package   Tests\Unit\WindowsAzure\ServiceRuntime\Internal
 * @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 Tests\Framework\TestResources;
use WindowsAzure\ServiceRuntime\Internal\ChunkedGoalStateDeserializer;
use WindowsAzure\ServiceRuntime\Internal\FileInputChannel;

require_once 'vfsStream/vfsStream.php';

/**
 * Unit tests for class ChunkedGoalStateDeserializer.
 *
 * @category  Microsoft
 * @package   Tests\Unit\WindowsAzure\ServiceRuntime\Internal
 * @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: @package_version@
 * @link      https://github.com/windowsazure/azure-sdk-for-php
 */
class ChunkedGoalStateDeserializerTest extends \PHPUnit_Framework_TestCase
{
    /**
     * @covers WindowsAzure\ServiceRuntime\Internal\ChunkedGoalStateDeserializer::__construct
     * @covers WindowsAzure\ServiceRuntime\Internal\ChunkedGoalStateDeserializer::initialize
     * @covers WindowsAzure\ServiceRuntime\Internal\ChunkedGoalStateDeserializer::deserialize
     */
    public function testDeserialize()
    {
        // Setup
        $rootDirectory = 'root';

        \vfsStreamWrapper::register(); 
        \vfsStreamWrapper::setRoot(new \vfsStreamDirectory($rootDirectory));
        
        $roleEnvironmentPath = 'mypath';
        $currentStateEndpoint = 'endpoint';
        $incarnation = 1;
        $expectedState = 'started';
        
        $fileName = 'file';
        $fileContent = '<?xml version="1.0" encoding="utf-8"?>' .
            '<GoalState xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" ' .
            'xmlns:xsd="http://www.w3.org/2001/XMLSchema">' .
            '<Incarnation>' .
            $incarnation .
            '</Incarnation>' .
            '<ExpectedState>' .
            $expectedState .
            '</ExpectedState>' .
            '<RoleEnvironmentPath>' .
            $roleEnvironmentPath .
            '</RoleEnvironmentPath>' .
            '<CurrentStateEndpoint>' .
            $currentStateEndpoint .
            '</CurrentStateEndpoint>' .
            '<Deadline>9999-12-31T23:59:59.9999999</Deadline>' .
            '</GoalState>';
        
        $fileContent = dechex(strlen($fileContent)) . "\n" . $fileContent;
        
        $file = \vfsStream::newFile($fileName);
        $file->setContent($fileContent); 
        
        \vfsStreamWrapper::getRoot()->addChild($file);
        
        $fileInputChannel = new FileInputChannel();
        $fileInputStream = $fileInputChannel->getInputStream(
            \vfsStream::url($rootDirectory . '/' . $fileName)
        );
        
        $chunkedGoalStateDeserializer = new ChunkedGoalStateDeserializer();
        $chunkedGoalStateDeserializer->initialize($fileInputStream);
        $goalState = $chunkedGoalStateDeserializer->deserialize();
        
        // Test
        $this->assertNotEquals(null, $goalState);
        $this->assertEquals($roleEnvironmentPath, $goalState->getEnvironmentPath());
        $this->assertNotEquals(null, $goalState->getDeadline());
        $this->assertEquals($currentStateEndpoint, $goalState->getCurrentStateEndpoint());
        $this->assertEquals($incarnation, $goalState->getIncarnation());
        $this->assertEquals($expectedState, $goalState->getExpectedState());
    }
    
    /**
     * @covers WindowsAzure\ServiceRuntime\Internal\ChunkedGoalStateDeserializer::__construct
     * @covers WindowsAzure\ServiceRuntime\Internal\ChunkedGoalStateDeserializer::initialize
     * @covers WindowsAzure\ServiceRuntime\Internal\ChunkedGoalStateDeserializer::deserialize
     */
    public function testDeserializeWithNewLineEnd()
    {
        // Setup
        $rootDirectory = 'root';

        \vfsStreamWrapper::register(); 
        \vfsStreamWrapper::setRoot(new \vfsStreamDirectory($rootDirectory));
        
        $roleEnvironmentPath = 'mypath';
        $currentStateEndpoint = 'endpoint';
        $incarnation = 1;
        $expectedState = 'started';
        
        $fileName = 'file';
        $fileContent = '<?xml version="1.0" encoding="utf-8"?>' .
            '<GoalState xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" ' .
            'xmlns:xsd="http://www.w3.org/2001/XMLSchema">' .
            '<Incarnation>' .
            $incarnation .
            '</Incarnation>' .
            '<ExpectedState>' .
            $expectedState .
            '</ExpectedState>' .
            '<RoleEnvironmentPath>' .
            $roleEnvironmentPath .
            '</RoleEnvironmentPath>' .
            '<CurrentStateEndpoint>' .
            $currentStateEndpoint .
            '</CurrentStateEndpoint>' .
            '<Deadline>9999-12-31T23:59:59.9999999</Deadline>' .
            '</GoalState>';
        
        $fileContent = dechex(strlen($fileContent)) . "\n" . $fileContent . "\n";
        
        $file = \vfsStream::newFile($fileName);
        $file->setContent($fileContent); 
        
        \vfsStreamWrapper::getRoot()->addChild($file);
        
        $fileInputChannel = new FileInputChannel();
        $fileInputStream = $fileInputChannel->getInputStream(
            \vfsStream::url($rootDirectory . '/' . $fileName)
        );
        
        $chunkedGoalStateDeserializer = new ChunkedGoalStateDeserializer();
        $chunkedGoalStateDeserializer->initialize($fileInputStream);
        $goalState = $chunkedGoalStateDeserializer->deserialize();
        
        // Test
        $this->assertNotEquals(null, $goalState);
        $this->assertEquals($roleEnvironmentPath, $goalState->getEnvironmentPath());
        $this->assertNotEquals(null, $goalState->getDeadline());
        $this->assertEquals($currentStateEndpoint, $goalState->getCurrentStateEndpoint());
        $this->assertEquals($incarnation, $goalState->getIncarnation());
        $this->assertEquals($expectedState, $goalState->getExpectedState());
    }
    
    /**
     * @covers WindowsAzure\ServiceRuntime\Internal\ChunkedGoalStateDeserializer::__construct
     * @covers WindowsAzure\ServiceRuntime\Internal\ChunkedGoalStateDeserializer::initialize
     * @covers WindowsAzure\ServiceRuntime\Internal\ChunkedGoalStateDeserializer::deserialize
     */
    public function testDeserializeWithNewLineStart()
    {
        // Setup
        $rootDirectory = 'root';

        \vfsStreamWrapper::register(); 
        \vfsStreamWrapper::setRoot(new \vfsStreamDirectory($rootDirectory));
        
        $roleEnvironmentPath = 'mypath';
        $currentStateEndpoint = 'endpoint';
        $incarnation = 1;
        $expectedState = 'started';
        
        $fileName = 'file';
        $fileContent = '<?xml version="1.0" encoding="utf-8"?>' .
            '<GoalState xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" ' .
            'xmlns:xsd="http://www.w3.org/2001/XMLSchema">' .
            '<Incarnation>' .
            $incarnation .
            '</Incarnation>' .
            '<ExpectedState>' .
            $expectedState .
            '</ExpectedState>' .
            '<RoleEnvironmentPath>' .
            $roleEnvironmentPath .
            '</RoleEnvironmentPath>' .
            '<CurrentStateEndpoint>' .
            $currentStateEndpoint .
            '</CurrentStateEndpoint>' .
            '<Deadline>9999-12-31T23:59:59.9999999</Deadline>' .
            '</GoalState>';
        
        $fileContent = "\n" . dechex(strlen($fileContent)) . "\n" . $fileContent;
        
        $file = \vfsStream::newFile($fileName);
        $file->setContent($fileContent); 
        
        \vfsStreamWrapper::getRoot()->addChild($file);
        
        $fileInputChannel = new FileInputChannel();
        $fileInputStream = $fileInputChannel->getInputStream(
            \vfsStream::url($rootDirectory . '/' . $fileName)
        );
        
        $chunkedGoalStateDeserializer = new ChunkedGoalStateDeserializer();
        $chunkedGoalStateDeserializer->initialize($fileInputStream);
        $goalState = $chunkedGoalStateDeserializer->deserialize();
        
        // Test
        $this->assertNotEquals(null, $goalState);
        $this->assertEquals($roleEnvironmentPath, $goalState->getEnvironmentPath());
        $this->assertNotEquals(null, $goalState->getDeadline());
        $this->assertEquals($currentStateEndpoint, $goalState->getCurrentStateEndpoint());
        $this->assertEquals($incarnation, $goalState->getIncarnation());
        $this->assertEquals($expectedState, $goalState->getExpectedState());
    }
}