<?php

//-------------------------------------------------------------------
// ToyModSerTests.php: test cases for ToyModSer
//-------------------------------------------------------------------
// Copyright (c) 2007 Patrick Mueller
// Using the MIT license: 
//    http://www.opensource.org/licenses/mit-license.php
//-------------------------------------------------------------------
// 2007/05 - Patrick Mueller - pmuellr@yahoo.com
//-------------------------------------------------------------------

require_once 'PHPUnit/Framework.php';
require_once 'PHPUnit/TextUI/TestRunner.php';

require_once 'ToyModSer.php';
require_once 'ToyModels.php';

// running from eclipse, with the PDT, the current directory
// is always set to the directory of the php executable, but
// I need to make the current directory the directory the file
// lives in to get local includes working correctly.

$thisDir = dirname(__FILE__);
chdir($thisDir);

//-------------------------------------------------------------------
// All of our tests live in this 'test case' class
//-------------------------------------------------------------------
class ToyModSerTests extends PHPUnit_Framework_TestCase {

	private $serBook;
	private $serAuthor;

	//---------------------------------------------------------------
	// main entrypoint for the class; set the vars and run the tests
	//---------------------------------------------------------------
    public static function main() {
        PHPUnit_TextUI_TestRunner::run(self::suite());
    }
    
	//---------------------------------------------------------------
	// returns the tests in this class
	//---------------------------------------------------------------
    public static function suite() {
        $suite = new PHPUnit_Framework_TestSuite();
        
        $suite->addTestSuite(__CLASS__);
 
        return $suite;
    }
    
	//---------------------------------------------------------------
	// initial setup run before each test
	//---------------------------------------------------------------
    public function setUp() {
		
		$this->serBook   = new ToyModSer('Book');
		$this->serAuthor = new ToyModSer('Author');
    }
    
	//---------------------------------------------------------------
	// initial setup run before each test
	//---------------------------------------------------------------
    public function tearDown() {
    }
    
	//---------------------------------------------------------------
	// test a book
	//---------------------------------------------------------------
    public function testBook() {
		$book = $this->createBook();
		
		$json  = $this->serBook->toJSON($book);
		$book2 = $this->serBook->fromJSON($json);
		
		$jsonExpected = '{"title":"Breakfast of Champions","author":"Kurt Vonnegut","yearPublished":1973}';
		
		$this->assertEquals($book, $book2);
		$this->assertEquals($jsonExpected, $json);
    }
    
	//---------------------------------------------------------------
	// test an author
	//---------------------------------------------------------------
    public function testAuthor() {
		$author = $this->createAuthor();
		
		$json    = $this->serAuthor->toJSON($author);
		$author2 = $this->serAuthor->fromJSON($json);

		$jsonExpected = '{"name":"Kurt Vonnegut","yearBorn":1922}';
		
		$this->assertEquals($author, $author2);
		$this->assertEquals($jsonExpected, $json);
    }

	//---------------------------------------------------------------
	// test for wrong serializer
	//---------------------------------------------------------------
    public function testWrongSerializer() {
		$book = $this->createBook();
		
		$passed = false;
		try {
			$json = $this->serAuthor->toJSON($book);
		}
		catch (Exception $e) {
			$passed = true;
			$msg = "attempting to serialize instance of 'Book' with a serializer for 'Author'";
			$this->assertEquals($msg, $e->getMessage());
		}
		
		$this->assertTrue($passed);
    }		
    
	//---------------------------------------------------------------
	// test for bogus model
	//---------------------------------------------------------------
    public function testBogusModel() {
		$passed = false;
		try {
			$serBogusModel = new ToyModSer('BogusModel');
		}
		catch (Exception $e) {
			$passed = true;
			$msg = "invalid type for property 'bar': 'foo'";
			$this->assertEquals($msg, $e->getMessage());
		}
		
		$this->assertTrue($passed);
    }

	//---------------------------------------------------------------
	// test for invalid value
	//---------------------------------------------------------------
    public function testInvalidValue() {
		$book = $this->createBook();
		$book->title = 0;
		
		$passed = false;
		try {
			$json = $this->serBook->toJSON($book);
		}
		catch (Exception $e) {
			$passed = true;
			$msg ="property 'title' is not the expected type";
			$this->assertEquals($msg, $e->getMessage());
		}
		
		$this->assertTrue($passed);
    }
    
	//---------------------------------------------------------------
	// test for invalid JSON value
	//---------------------------------------------------------------
    public function testInvalidJSONValue() {
		$json = '{"title":42,"author":"Kurt Vonnegut","yearPublished":1973}';

		$passed = false;
		try {
			$book = $this->serBook->fromJSON($json);
		}
		catch (Exception $e) {
			$passed = true;
			$msg ="property 'title' is not the expected type";
			$this->assertEquals($msg, $e->getMessage());
		}
		
		$this->assertTrue($passed);
    }
    
    //---------------------------------------------------------------
	// create a new book
	//---------------------------------------------------------------
    private function createBook() {
		$book = new Book();
		$book->title         = "Breakfast of Champions";
		$book->author        = "Kurt Vonnegut";
		$book->yearPublished = 1973;
		
		return $book;
    }		
    
	//---------------------------------------------------------------
	// create a new author
	//---------------------------------------------------------------
    private function createAuthor() {
		$author = new Author();
		$author->name     = "Kurt Vonnegut";
		$author->yearBorn = 1922;
		
		return $author;
    }		
    
}

//-------------------------------------------------------------------
// run the tests
//-------------------------------------------------------------------
ToyModSerTests::main();
?>