<?php
// Change directory
@chdir("..");

// Load config file
require(dirname(dirname(__FILE__)) . "/inc/config.php");

// Load all include files
require(PATH . "inc/includes.php");

// Load all game classes
require(PATH . "inc/classes.php");

// Set default application
FrameworkConfiguration::getInstance()->setConfigEntry("default_application", "ship-simu");

// Set testing mode (no starter.php will be loaded!)
define('TEST_MODE', true);

// Load the PHPUnit framework
require_once("PHPUnit/Framework.php");

/**
 * A test case for the configuration sub system
 *
 */
class ConfigTest extends PHPUnit_Framework_TestCase {
	/**
	 * Tests the exception ConfigEntryNotFoundException if it is being thrown.
	 * Else the test shall fail
	 *
	 * @return	void
	 */
	public function testConfigEntryNotFoundException () {
		// Now try the test
		$testPassed = false;
		try {
			// Get a configuration instance
			$cfg = FrameworkConfiguration::getInstance();

			// Now find a configuration variable that does not exist
			$dummy = $cfg->readConfig("does_not_exist");
		} catch (ConfigEntryNotFoundException $expected) {
			// This exception was expected, so it is fine
			$testPassed = true;
		} catch (FrameworkException $unexptected) {
			// This exception was not expected!
			$this->fail(sprintf("Unexpected exception %s detected.", $unexpected->__toString()));
		}

		if (!$testPassed) {
			// This test went wrong
			$this->fail("Test of thrown exception ConfigEntryNotFoundException failed!");
		}
	}

	/**
	 * Tests if the exception ConfigEntryIsEmptyException is being thrown by
	 * "emulating" an empty configuration variable.
	 *
	 * @return	void
	 */
	public function testConfigEntryIsEmptyExceptionRead () {
		// Now try the test
		$testPassed = false;
		try {
			// Get a configuration instance
			$cfg = FrameworkConfiguration::getInstance();

			// Try to read an empty configuration variable
			$dummy = $cfg->readConfig("");
		} catch (ConfigEntryIsEmptyException $expected) {
			// This exception was expected, so it is fine
			$testPassed = true;
		} catch (FrameworkException $unexptected) {
			// This exception was not expected!
			$this->fail(sprintf("Unexpected exception %s detected.", $unexpected->__toString()));
		}

		if (!$testPassed) {
			// This test went wrong
			$this->fail("Test of thrown exception ConfigEntryIsEmptyException failed!");
		}
	}

	/**
	 * Tests if the exception ConfigEntryIsEmptyException is being thrown by
	 * "emulating" an empty configuration variable.
	 *
	 * @return	void
	 */
	public function testConfigEntryIsEmptyExceptionWrite () {
		// Now try the test
		$testPassed = false;
		try {
			// Get a configuration instance
			$cfg = FrameworkConfiguration::getInstance();

			// Try to read an empty configuration variable
			$cfg->setConfigEntry("", "will_never_be_set");
		} catch (ConfigEntryIsEmptyException $expected) {
			// This exception was expected, so it is fine
			$testPassed = true;
		} catch (FrameworkException $unexptected) {
			// This exception was not expected!
			$this->fail(sprintf("Unexpected exception %s detected.", $unexpected->__toString()));
		}

		if (!$testPassed) {
			// This test went wrong
			$this->fail("Test of thrown exception ConfigEntryIsEmptyException failed!");
		}
	}

	/**
	 * Tests if a set value can be returned from the configuration sub-system
	 *
	 * @return	void
	 */
	public function testWriteReadConfigEntry () {
		// Try it here
		$value = "This is a test value";
		try {
			// Get a configuration instance
			$cfg = FrameworkConfiguration::getInstance();

			// Try to read an empty configuration variable
			$cfg->setConfigEntry("test_key", "{$value}");

			// Read the config entry we have just written
			$readValue = $cfg->readConfig("test_key");

			// Now test the values
			$this->assertEquals($value, $readValue);
		} catch (FrameworkException $unexptected) {
			// This exception was not expected!
			$this->fail(sprintf("Unexpected exception %s detected.", $unexpected->__toString()));
		}
	}
}

?>