<?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();
?>