568 lines
19 KiB
PHP
568 lines
19 KiB
PHP
<?php
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/**
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* base include file for SimpleTest
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* @package SimpleTest
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* @subpackage UnitTester
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* @version $Id: expectation.php,v 1.35 2005/01/23 22:20:43 lastcraft Exp $
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*/
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/**#@+
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* include other SimpleTest class files
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*/
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require_once(dirname(__FILE__) . '/dumper.php');
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require_once(dirname(__FILE__) . '/options.php');
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/**#@-*/
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/**
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* Assertion that can display failure information.
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* Also includes various helper methods.
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* @package SimpleTest
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* @subpackage UnitTester
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* @abstract
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*/
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class SimpleExpectation {
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var $_dumper;
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var $_message;
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/**
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* Creates a dumper for displaying values and sets
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* the test message.
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* @param string $message Customised message on failure.
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*/
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function SimpleExpectation($message = '%s') {
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$this->_dumper = &new SimpleDumper();
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$this->_message = $message;
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}
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/**
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* Tests the expectation. True if correct.
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* @param mixed $compare Comparison value.
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* @return boolean True if correct.
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* @access public
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* @abstract
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*/
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function test($compare) {
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}
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/**
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* Returns a human readable test message.
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* @param mixed $compare Comparison value.
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* @return string Description of success
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* or failure.
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* @access public
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* @abstract
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*/
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function testMessage($compare) {
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}
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/**
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* Overlays the generated message onto the stored user
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* message.
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* @param mixed $compare Comparison value.
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* @return string Description of success
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* or failure.
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* @access public
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*/
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function overlayMessage($compare) {
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return sprintf($this->_message, $this->testMessage($compare));
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}
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/**
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* Accessor for the dumper.
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* @return SimpleDumper Current value dumper.
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* @access protected
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*/
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function &_getDumper() {
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return $this->_dumper;
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}
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}
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/**
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* Test for equality.
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* @package SimpleTest
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* @subpackage UnitTester
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*/
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class EqualExpectation extends SimpleExpectation {
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var $_value;
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/**
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* Sets the value to compare against.
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* @param mixed $value Test value to match.
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* @param string $message Customised message on failure.
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* @access public
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*/
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function EqualExpectation($value, $message = '%s') {
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$this->SimpleExpectation($message);
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$this->_value = $value;
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}
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/**
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* Tests the expectation. True if it matches the
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* held value.
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* @param mixed $compare Comparison value.
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* @return boolean True if correct.
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* @access public
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*/
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function test($compare, $nasty = false) {
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return (($this->_value == $compare) && ($compare == $this->_value));
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}
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/**
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* Returns a human readable test message.
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* @param mixed $compare Comparison value.
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* @return string Description of success
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* or failure.
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* @access public
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*/
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function testMessage($compare) {
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if ($this->test($compare)) {
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return "Equal expectation [" . $this->_dumper->describeValue($this->_value) . "]";
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} else {
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return "Equal expectation fails " .
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$this->_dumper->describeDifference($this->_value, $compare);
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}
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}
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/**
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* Accessor for comparison value.
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* @return mixed Held value to compare with.
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* @access protected
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*/
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function _getValue() {
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return $this->_value;
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}
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}
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/**
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* Test for inequality.
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* @package SimpleTest
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* @subpackage UnitTester
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*/
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class NotEqualExpectation extends EqualExpectation {
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/**
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* Sets the value to compare against.
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* @param mixed $value Test value to match.
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* @param string $message Customised message on failure.
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* @access public
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*/
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function NotEqualExpectation($value, $message = '%s') {
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$this->EqualExpectation($value, $message);
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}
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/**
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* Tests the expectation. True if it differs from the
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* held value.
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* @param mixed $compare Comparison value.
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* @return boolean True if correct.
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* @access public
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*/
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function test($compare) {
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return ! parent::test($compare);
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}
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/**
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* Returns a human readable test message.
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* @param mixed $compare Comparison value.
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* @return string Description of success
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* or failure.
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* @access public
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*/
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function testMessage($compare) {
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$dumper = &$this->_getDumper();
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if ($this->test($compare)) {
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return "Not equal expectation passes " .
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$dumper->describeDifference($this->_getValue(), $compare);
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} else {
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return "Not equal expectation fails [" .
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$dumper->describeValue($this->_getValue()) .
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"] matches";
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}
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}
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}
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/**
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* Test for identity.
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* @package SimpleTest
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* @subpackage UnitTester
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*/
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class IdenticalExpectation extends EqualExpectation {
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/**
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* Sets the value to compare against.
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* @param mixed $value Test value to match.
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* @param string $message Customised message on failure.
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* @access public
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*/
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function IdenticalExpectation($value, $message = '%s') {
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$this->EqualExpectation($value, $message);
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}
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/**
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* Tests the expectation. True if it exactly
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* matches the held value.
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* @param mixed $compare Comparison value.
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* @return boolean True if correct.
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* @access public
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*/
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function test($compare) {
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return SimpleTestCompatibility::isIdentical($this->_getValue(), $compare);
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}
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/**
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* Returns a human readable test message.
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* @param mixed $compare Comparison value.
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* @return string Description of success
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* or failure.
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* @access public
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*/
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function testMessage($compare) {
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$dumper = &$this->_getDumper();
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if ($this->test($compare)) {
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return "Identical expectation [" . $dumper->describeValue($this->_getValue()) . "]";
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} else {
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return "Identical expectation [" . $dumper->describeValue($this->_getValue()) .
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"] fails with [" .
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$dumper->describeValue($compare) . "] " .
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$dumper->describeDifference($this->_getValue(), $compare, TYPE_MATTERS);
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}
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}
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}
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/**
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* Test for non-identity.
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* @package SimpleTest
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* @subpackage UnitTester
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*/
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class NotIdenticalExpectation extends IdenticalExpectation {
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/**
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* Sets the value to compare against.
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* @param mixed $value Test value to match.
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* @param string $message Customised message on failure.
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* @access public
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*/
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function NotIdenticalExpectation($value, $message = '%s') {
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$this->IdenticalExpectation($value, $message);
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}
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/**
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* Tests the expectation. True if it differs from the
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* held value.
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* @param mixed $compare Comparison value.
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* @return boolean True if correct.
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* @access public
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*/
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function test($compare) {
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return ! parent::test($compare);
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}
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/**
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* Returns a human readable test message.
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* @param mixed $compare Comparison value.
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* @return string Description of success
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* or failure.
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* @access public
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*/
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function testMessage($compare) {
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$dumper = &$this->_getDumper();
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if ($this->test($compare)) {
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return "Not identical expectation passes " .
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$dumper->describeDifference($this->_getValue(), $compare, TYPE_MATTERS);
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} else {
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return "Not identical expectation [" . $dumper->describeValue($this->_getValue()) . "] matches";
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}
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}
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}
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/**
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* Test for a pattern using Perl regex rules.
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* @package SimpleTest
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* @subpackage UnitTester
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*/
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class WantedPatternExpectation extends SimpleExpectation {
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var $_pattern;
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/**
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* Sets the value to compare against.
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* @param string $pattern Pattern to search for.
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* @param string $message Customised message on failure.
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* @access public
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*/
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function WantedPatternExpectation($pattern, $message = '%s') {
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$this->SimpleExpectation($message);
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$this->_pattern = $pattern;
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}
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/**
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* Accessor for the pattern.
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* @return string Perl regex as string.
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* @access protected
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*/
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function _getPattern() {
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return $this->_pattern;
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}
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/**
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* Tests the expectation. True if the Perl regex
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* matches the comparison value.
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* @param string $compare Comparison value.
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* @return boolean True if correct.
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* @access public
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*/
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function test($compare) {
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return (boolean)preg_match($this->_getPattern(), $compare);
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}
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/**
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* Returns a human readable test message.
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* @param mixed $compare Comparison value.
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* @return string Description of success
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* or failure.
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* @access public
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*/
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function testMessage($compare) {
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if ($this->test($compare)) {
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return $this->_describePatternMatch($this->_getPattern(), $compare);
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} else {
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$dumper = &$this->_getDumper();
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return "Pattern [" . $this->_getPattern() .
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"] not detected in [" .
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$dumper->describeValue($compare) . "]";
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}
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}
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/**
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* Describes a pattern match including the string
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* found and it's position.
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* @param string $pattern Regex to match against.
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* @param string $subject Subject to search.
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* @access protected
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*/
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function _describePatternMatch($pattern, $subject) {
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preg_match($pattern, $subject, $matches);
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$position = strpos($subject, $matches[0]);
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$dumper = &$this->_getDumper();
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return "Pattern [$pattern] detected at character [$position] in [" .
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$dumper->describeValue($subject) . "] as [" .
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$matches[0] . "] in region [" .
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$dumper->clipString($subject, 100, $position) . "]";
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}
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}
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/**
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* Fail if a pattern is detected within the
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* comparison.
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* @package SimpleTest
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* @subpackage UnitTester
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*/
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class UnwantedPatternExpectation extends WantedPatternExpectation {
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/**
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* Sets the reject pattern
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* @param string $pattern Pattern to search for.
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* @param string $message Customised message on failure.
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* @access public
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*/
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function UnwantedPatternExpectation($pattern, $message = '%s') {
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$this->WantedPatternExpectation($pattern, $message);
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}
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/**
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* Tests the expectation. False if the Perl regex
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* matches the comparison value.
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* @param string $compare Comparison value.
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* @return boolean True if correct.
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* @access public
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*/
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function test($compare) {
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return ! parent::test($compare);
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}
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/**
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* Returns a human readable test message.
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* @param string $compare Comparison value.
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* @return string Description of success
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* or failure.
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* @access public
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*/
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function testMessage($compare) {
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if ($this->test($compare)) {
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$dumper = &$this->_getDumper();
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return "Pattern [" . $this->_getPattern() .
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"] not detected in [" .
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$dumper->describeValue($compare) . "]";
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} else {
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return $this->_describePatternMatch($this->_getPattern(), $compare);
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}
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}
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}
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/**
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* Tests either type or class name if it's an object.
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* @package SimpleTest
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* @subpackage UnitTester
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*/
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class IsAExpectation extends SimpleExpectation {
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var $_type;
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/**
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* Sets the type to compare with.
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* @param string $type Type or class name.
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* @param string $message Customised message on failure.
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* @access public
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*/
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function IsAExpectation($type, $message = '%s') {
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$this->SimpleExpectation($message);
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$this->_type = $type;
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}
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/**
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* Accessor for type to check against.
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* @return string Type or class name.
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* @access protected
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*/
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function _getType() {
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return $this->_type;
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}
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/**
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* Tests the expectation. True if the type or
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* class matches the string value.
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* @param string $compare Comparison value.
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* @return boolean True if correct.
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* @access public
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*/
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function test($compare) {
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if (is_object($compare)) {
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return SimpleTestCompatibility::isA($compare, $this->_type);
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} else {
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return (strtolower(gettype($compare)) == $this->_canonicalType($this->_type));
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}
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}
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/**
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* Coerces type name into a gettype() match.
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* @param string $type User type.
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* @return string Simpler type.
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* @access private
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*/
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function _canonicalType($type) {
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$type = strtolower($type);
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$map = array(
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'bool' => 'boolean',
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'float' => 'double',
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'real' => 'double',
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'int' => 'integer');
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if (isset($map[$type])) {
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$type = $map[$type];
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}
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return $type;
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}
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/**
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* Returns a human readable test message.
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* @param mixed $compare Comparison value.
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* @return string Description of success
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* or failure.
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* @access public
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*/
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function testMessage($compare) {
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$dumper = &$this->_getDumper();
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return "Value [" . $dumper->describeValue($compare) .
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"] should be type [" . $this->_type . "]";
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}
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}
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/**
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* Tests either type or class name if it's an object.
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* Will succeed if the type does not match.
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* @package SimpleTest
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* @subpackage UnitTester
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*/
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class NotAExpectation extends IsAExpectation {
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var $_type;
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/**
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* Sets the type to compare with.
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* @param string $type Type or class name.
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* @param string $message Customised message on failure.
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* @access public
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*/
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function NotAExpectation($type, $message = '%s') {
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$this->IsAExpectation($type, $message);
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}
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/**
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* Tests the expectation. False if the type or
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* class matches the string value.
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* @param string $compare Comparison value.
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* @return boolean True if different.
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* @access public
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*/
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function test($compare) {
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return ! parent::test($compare);
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}
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/**
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* Returns a human readable test message.
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* @param mixed $compare Comparison value.
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* @return string Description of success
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* or failure.
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* @access public
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*/
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function testMessage($compare) {
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$dumper = &$this->_getDumper();
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return "Value [" . $dumper->describeValue($compare) .
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"] should not be type [" . $this->_getType() . "]";
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}
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}
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/**
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* Tests for existance of a method in an object
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* @package SimpleTest
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* @subpackage UnitTester
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*/
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class MethodExistsExpectation extends SimpleExpectation {
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var $_method;
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/**
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* Sets the value to compare against.
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* @param string $method Method to check.
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* @param string $message Customised message on failure.
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* @access public
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* @return void
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*/
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function MethodExistsExpectation($method, $message = '%s') {
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$this->SimpleExpectation($message);
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$this->_method = &$method;
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}
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/**
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* Tests the expectation. True if the method exists in the test object.
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* @param string $compare Comparison method name.
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* @return boolean True if correct.
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* @access public
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*/
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function test($compare) {
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return (boolean)(is_object($compare) && method_exists($compare, $this->_method));
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}
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/**
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* Returns a human readable test message.
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* @param mixed $compare Comparison value.
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* @return string Description of success
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* or failure.
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* @access public
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*/
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function testMessage($compare) {
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$dumper = &$this->_getDumper();
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if (! is_object($compare)) {
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return 'No method on non-object [' . $dumper->describeValue($compare) . ']';
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}
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$method = $this->_method;
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return "Object [" . $dumper->describeValue($compare) .
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"] should contain method [$method]";
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}
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}
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?>
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