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<?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 1532 2006-12-01 12:28:55Z xue $
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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__) . '/compatibility.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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protected $_dumper;
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protected $_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. An additional message can be interjected.
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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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* Test to see if a value is an expectation object.
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* A useful utility method.
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* @param mixed $expectation Hopefully an Epectation
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* class.
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* @return boolean True if descended from
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* this class.
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* @access public
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* @static
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*/
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static function isExpectation($expectation) {
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return is_object($expectation) &&
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SimpleTestCompatibility::isA($expectation, 'SimpleExpectation');
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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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protected $_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) {
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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 being within a range.
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* @package SimpleTest
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* @subpackage UnitTester
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*/
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class WithinMarginExpectation extends SimpleExpectation {
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protected $_upper;
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protected $_lower;
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/**
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* Sets the value to compare against and the fuzziness of
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* the match. Used for comparing floating point values.
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* @param mixed $value Test value to match.
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* @param mixed $margin Fuzziness of match.
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* @param string $message Customised message on failure.
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* @access public
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*/
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function WithinMarginExpectation($value, $margin, $message = '%s') {
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$this->SimpleExpectation($message);
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$this->_upper = $value + $margin;
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$this->_lower = $value - $margin;
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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) {
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return (($compare <= $this->_upper) && ($compare >= $this->_lower));
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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 $this->_withinMessage($compare);
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} else {
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return $this->_outsideMessage($compare);
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}
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}
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/**
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* Creates a the message for being within the range.
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* @param mixed $compare Value being tested.
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* @access private
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*/
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function _withinMessage($compare) {
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return "Within expectation [" . $this->_dumper->describeValue($this->_lower) . "] and [" .
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$this->_dumper->describeValue($this->_upper) . "]";
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}
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/**
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* Creates a the message for being within the range.
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* @param mixed $compare Value being tested.
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* @access private
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*/
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function _outsideMessage($compare) {
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if ($compare > $this->_upper) {
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return "Outside expectation " .
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$this->_dumper->describeDifference($compare, $this->_upper);
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} else {
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return "Outside expectation " .
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$this->_dumper->describeDifference($compare, $this->_lower);
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}
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}
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}
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/**
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* Test for being outside of a range.
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* @package SimpleTest
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* @subpackage UnitTester
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*/
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class OutsideMarginExpectation extends WithinMarginExpectation {
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/**
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* Sets the value to compare against and the fuzziness of
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* the match. Used for comparing floating point values.
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* @param mixed $value Test value to not match.
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* @param mixed $margin Fuzziness of match.
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* @param string $message Customised message on failure.
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* @access public
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*/
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function OutsideMarginExpectation($value, $margin, $message = '%s') {
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$this->WithinMarginExpectation($value, $margin, $message);
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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) {
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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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if (! $this->test($compare)) {
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return $this->_withinMessage($compare);
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} else {
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return $this->_outsideMessage($compare);
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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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386 |
* Tests the expectation. True if it differs from the
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387 |
* held value.
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388 |
* @param mixed $compare Comparison value.
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* @return boolean True if correct.
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* @access public
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*/
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392 |
function test($compare) {
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393 |
return ! parent::test($compare);
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}
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395 |
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396 |
/**
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397 |
* Returns a human readable test message.
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398 |
* @param mixed $compare Comparison value.
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399 |
* @return string Description of success
|
|
|
400 |
* or failure.
|
|
|
401 |
* @access public
|
|
|
402 |
*/
|
|
|
403 |
function testMessage($compare) {
|
|
|
404 |
$dumper = $this->_getDumper();
|
|
|
405 |
if ($this->test($compare)) {
|
|
|
406 |
return "Not identical expectation passes " .
|
|
|
407 |
$dumper->describeDifference($this->_getValue(), $compare, TYPE_MATTERS);
|
|
|
408 |
} else {
|
|
|
409 |
return "Not identical expectation [" . $dumper->describeValue($this->_getValue()) . "] matches";
|
|
|
410 |
}
|
|
|
411 |
}
|
|
|
412 |
}
|
|
|
413 |
|
|
|
414 |
/**
|
|
|
415 |
* Test for a pattern using Perl regex rules.
|
|
|
416 |
* @package SimpleTest
|
|
|
417 |
* @subpackage UnitTester
|
|
|
418 |
*/
|
|
|
419 |
class PatternExpectation extends SimpleExpectation {
|
|
|
420 |
protected $_pattern;
|
|
|
421 |
|
|
|
422 |
/**
|
|
|
423 |
* Sets the value to compare against.
|
|
|
424 |
* @param string $pattern Pattern to search for.
|
|
|
425 |
* @param string $message Customised message on failure.
|
|
|
426 |
* @access public
|
|
|
427 |
*/
|
|
|
428 |
function PatternExpectation($pattern, $message = '%s') {
|
|
|
429 |
$this->SimpleExpectation($message);
|
|
|
430 |
$this->_pattern = $pattern;
|
|
|
431 |
}
|
|
|
432 |
|
|
|
433 |
/**
|
|
|
434 |
* Accessor for the pattern.
|
|
|
435 |
* @return string Perl regex as string.
|
|
|
436 |
* @access protected
|
|
|
437 |
*/
|
|
|
438 |
function _getPattern() {
|
|
|
439 |
return $this->_pattern;
|
|
|
440 |
}
|
|
|
441 |
|
|
|
442 |
/**
|
|
|
443 |
* Tests the expectation. True if the Perl regex
|
|
|
444 |
* matches the comparison value.
|
|
|
445 |
* @param string $compare Comparison value.
|
|
|
446 |
* @return boolean True if correct.
|
|
|
447 |
* @access public
|
|
|
448 |
*/
|
|
|
449 |
function test($compare) {
|
|
|
450 |
return (boolean)preg_match($this->_getPattern(), $compare);
|
|
|
451 |
}
|
|
|
452 |
|
|
|
453 |
/**
|
|
|
454 |
* Returns a human readable test message.
|
|
|
455 |
* @param mixed $compare Comparison value.
|
|
|
456 |
* @return string Description of success
|
|
|
457 |
* or failure.
|
|
|
458 |
* @access public
|
|
|
459 |
*/
|
|
|
460 |
function testMessage($compare) {
|
|
|
461 |
if ($this->test($compare)) {
|
|
|
462 |
return $this->_describePatternMatch($this->_getPattern(), $compare);
|
|
|
463 |
} else {
|
|
|
464 |
$dumper = $this->_getDumper();
|
|
|
465 |
return "Pattern [" . $this->_getPattern() .
|
|
|
466 |
"] not detected in [" .
|
|
|
467 |
$dumper->describeValue($compare) . "]";
|
|
|
468 |
}
|
|
|
469 |
}
|
|
|
470 |
|
|
|
471 |
/**
|
|
|
472 |
* Describes a pattern match including the string
|
|
|
473 |
* found and it's position.
|
|
|
474 |
* @package SimpleTest
|
|
|
475 |
* @subpackage UnitTester
|
|
|
476 |
* @param string $pattern Regex to match against.
|
|
|
477 |
* @param string $subject Subject to search.
|
|
|
478 |
* @access protected
|
|
|
479 |
*/
|
|
|
480 |
function _describePatternMatch($pattern, $subject) {
|
|
|
481 |
preg_match($pattern, $subject, $matches);
|
|
|
482 |
$position = strpos($subject, $matches[0]);
|
|
|
483 |
$dumper = $this->_getDumper();
|
|
|
484 |
return "Pattern [$pattern] detected at character [$position] in [" .
|
|
|
485 |
$dumper->describeValue($subject) . "] as [" .
|
|
|
486 |
$matches[0] . "] in region [" .
|
|
|
487 |
$dumper->clipString($subject, 100, $position) . "]";
|
|
|
488 |
}
|
|
|
489 |
}
|
|
|
490 |
|
|
|
491 |
/**
|
|
|
492 |
* @deprecated
|
|
|
493 |
*/
|
|
|
494 |
class WantedPatternExpectation extends PatternExpectation {
|
|
|
495 |
}
|
|
|
496 |
|
|
|
497 |
/**
|
|
|
498 |
* Fail if a pattern is detected within the
|
|
|
499 |
* comparison.
|
|
|
500 |
* @package SimpleTest
|
|
|
501 |
* @subpackage UnitTester
|
|
|
502 |
*/
|
|
|
503 |
class NoPatternExpectation extends PatternExpectation {
|
|
|
504 |
|
|
|
505 |
/**
|
|
|
506 |
* Sets the reject pattern
|
|
|
507 |
* @param string $pattern Pattern to search for.
|
|
|
508 |
* @param string $message Customised message on failure.
|
|
|
509 |
* @access public
|
|
|
510 |
*/
|
|
|
511 |
function NoPatternExpectation($pattern, $message = '%s') {
|
|
|
512 |
$this->PatternExpectation($pattern, $message);
|
|
|
513 |
}
|
|
|
514 |
|
|
|
515 |
/**
|
|
|
516 |
* Tests the expectation. False if the Perl regex
|
|
|
517 |
* matches the comparison value.
|
|
|
518 |
* @param string $compare Comparison value.
|
|
|
519 |
* @return boolean True if correct.
|
|
|
520 |
* @access public
|
|
|
521 |
*/
|
|
|
522 |
function test($compare) {
|
|
|
523 |
return ! parent::test($compare);
|
|
|
524 |
}
|
|
|
525 |
|
|
|
526 |
/**
|
|
|
527 |
* Returns a human readable test message.
|
|
|
528 |
* @param string $compare Comparison value.
|
|
|
529 |
* @return string Description of success
|
|
|
530 |
* or failure.
|
|
|
531 |
* @access public
|
|
|
532 |
*/
|
|
|
533 |
function testMessage($compare) {
|
|
|
534 |
if ($this->test($compare)) {
|
|
|
535 |
$dumper = $this->_getDumper();
|
|
|
536 |
return "Pattern [" . $this->_getPattern() .
|
|
|
537 |
"] not detected in [" .
|
|
|
538 |
$dumper->describeValue($compare) . "]";
|
|
|
539 |
} else {
|
|
|
540 |
return $this->_describePatternMatch($this->_getPattern(), $compare);
|
|
|
541 |
}
|
|
|
542 |
}
|
|
|
543 |
}
|
|
|
544 |
|
|
|
545 |
/**
|
|
|
546 |
* @package SimpleTest
|
|
|
547 |
* @subpackage UnitTester
|
|
|
548 |
* @deprecated
|
|
|
549 |
*/
|
|
|
550 |
class UnwantedPatternExpectation extends NoPatternExpectation {
|
|
|
551 |
}
|
|
|
552 |
|
|
|
553 |
/**
|
|
|
554 |
* Tests either type or class name if it's an object.
|
|
|
555 |
* @package SimpleTest
|
|
|
556 |
* @subpackage UnitTester
|
|
|
557 |
*/
|
|
|
558 |
class IsAExpectation extends SimpleExpectation {
|
|
|
559 |
protected $_type;
|
|
|
560 |
|
|
|
561 |
/**
|
|
|
562 |
* Sets the type to compare with.
|
|
|
563 |
* @param string $type Type or class name.
|
|
|
564 |
* @param string $message Customised message on failure.
|
|
|
565 |
* @access public
|
|
|
566 |
*/
|
|
|
567 |
function IsAExpectation($type, $message = '%s') {
|
|
|
568 |
$this->SimpleExpectation($message);
|
|
|
569 |
$this->_type = $type;
|
|
|
570 |
}
|
|
|
571 |
|
|
|
572 |
/**
|
|
|
573 |
* Accessor for type to check against.
|
|
|
574 |
* @return string Type or class name.
|
|
|
575 |
* @access protected
|
|
|
576 |
*/
|
|
|
577 |
function _getType() {
|
|
|
578 |
return $this->_type;
|
|
|
579 |
}
|
|
|
580 |
|
|
|
581 |
/**
|
|
|
582 |
* Tests the expectation. True if the type or
|
|
|
583 |
* class matches the string value.
|
|
|
584 |
* @param string $compare Comparison value.
|
|
|
585 |
* @return boolean True if correct.
|
|
|
586 |
* @access public
|
|
|
587 |
*/
|
|
|
588 |
function test($compare) {
|
|
|
589 |
if (is_object($compare)) {
|
|
|
590 |
return SimpleTestCompatibility::isA($compare, $this->_type);
|
|
|
591 |
} else {
|
|
|
592 |
return (strtolower(gettype($compare)) == $this->_canonicalType($this->_type));
|
|
|
593 |
}
|
|
|
594 |
}
|
|
|
595 |
|
|
|
596 |
/**
|
|
|
597 |
* Coerces type name into a gettype() match.
|
|
|
598 |
* @param string $type User type.
|
|
|
599 |
* @return string Simpler type.
|
|
|
600 |
* @access private
|
|
|
601 |
*/
|
|
|
602 |
function _canonicalType($type) {
|
|
|
603 |
$type = strtolower($type);
|
|
|
604 |
$map = array(
|
|
|
605 |
'bool' => 'boolean',
|
|
|
606 |
'float' => 'double',
|
|
|
607 |
'real' => 'double',
|
|
|
608 |
'int' => 'integer');
|
|
|
609 |
if (isset($map[$type])) {
|
|
|
610 |
$type = $map[$type];
|
|
|
611 |
}
|
|
|
612 |
return $type;
|
|
|
613 |
}
|
|
|
614 |
|
|
|
615 |
/**
|
|
|
616 |
* Returns a human readable test message.
|
|
|
617 |
* @param mixed $compare Comparison value.
|
|
|
618 |
* @return string Description of success
|
|
|
619 |
* or failure.
|
|
|
620 |
* @access public
|
|
|
621 |
*/
|
|
|
622 |
function testMessage($compare) {
|
|
|
623 |
$dumper = $this->_getDumper();
|
|
|
624 |
return "Value [" . $dumper->describeValue($compare) .
|
|
|
625 |
"] should be type [" . $this->_type . "]";
|
|
|
626 |
}
|
|
|
627 |
}
|
|
|
628 |
|
|
|
629 |
/**
|
|
|
630 |
* Tests either type or class name if it's an object.
|
|
|
631 |
* Will succeed if the type does not match.
|
|
|
632 |
* @package SimpleTest
|
|
|
633 |
* @subpackage UnitTester
|
|
|
634 |
*/
|
|
|
635 |
class NotAExpectation extends IsAExpectation {
|
|
|
636 |
protected $_type;
|
|
|
637 |
|
|
|
638 |
/**
|
|
|
639 |
* Sets the type to compare with.
|
|
|
640 |
* @param string $type Type or class name.
|
|
|
641 |
* @param string $message Customised message on failure.
|
|
|
642 |
* @access public
|
|
|
643 |
*/
|
|
|
644 |
function NotAExpectation($type, $message = '%s') {
|
|
|
645 |
$this->IsAExpectation($type, $message);
|
|
|
646 |
}
|
|
|
647 |
|
|
|
648 |
/**
|
|
|
649 |
* Tests the expectation. False if the type or
|
|
|
650 |
* class matches the string value.
|
|
|
651 |
* @param string $compare Comparison value.
|
|
|
652 |
* @return boolean True if different.
|
|
|
653 |
* @access public
|
|
|
654 |
*/
|
|
|
655 |
function test($compare) {
|
|
|
656 |
return ! parent::test($compare);
|
|
|
657 |
}
|
|
|
658 |
|
|
|
659 |
/**
|
|
|
660 |
* Returns a human readable test message.
|
|
|
661 |
* @param mixed $compare Comparison value.
|
|
|
662 |
* @return string Description of success
|
|
|
663 |
* or failure.
|
|
|
664 |
* @access public
|
|
|
665 |
*/
|
|
|
666 |
function testMessage($compare) {
|
|
|
667 |
$dumper = $this->_getDumper();
|
|
|
668 |
return "Value [" . $dumper->describeValue($compare) .
|
|
|
669 |
"] should not be type [" . $this->_getType() . "]";
|
|
|
670 |
}
|
|
|
671 |
}
|
|
|
672 |
|
|
|
673 |
/**
|
|
|
674 |
* Tests for existance of a method in an object
|
|
|
675 |
* @package SimpleTest
|
|
|
676 |
* @subpackage UnitTester
|
|
|
677 |
*/
|
|
|
678 |
class MethodExistsExpectation extends SimpleExpectation {
|
|
|
679 |
protected $_method;
|
|
|
680 |
|
|
|
681 |
/**
|
|
|
682 |
* Sets the value to compare against.
|
|
|
683 |
* @param string $method Method to check.
|
|
|
684 |
* @param string $message Customised message on failure.
|
|
|
685 |
* @access public
|
|
|
686 |
* @return void
|
|
|
687 |
*/
|
|
|
688 |
function MethodExistsExpectation($method, $message = '%s') {
|
|
|
689 |
$this->SimpleExpectation($message);
|
|
|
690 |
$this->_method = $method;
|
|
|
691 |
}
|
|
|
692 |
|
|
|
693 |
/**
|
|
|
694 |
* Tests the expectation. True if the method exists in the test object.
|
|
|
695 |
* @param string $compare Comparison method name.
|
|
|
696 |
* @return boolean True if correct.
|
|
|
697 |
* @access public
|
|
|
698 |
*/
|
|
|
699 |
function test($compare) {
|
|
|
700 |
return (boolean)(is_object($compare) && method_exists($compare, $this->_method));
|
|
|
701 |
}
|
|
|
702 |
|
|
|
703 |
/**
|
|
|
704 |
* Returns a human readable test message.
|
|
|
705 |
* @param mixed $compare Comparison value.
|
|
|
706 |
* @return string Description of success
|
|
|
707 |
* or failure.
|
|
|
708 |
* @access public
|
|
|
709 |
*/
|
|
|
710 |
function testMessage($compare) {
|
|
|
711 |
$dumper = $this->_getDumper();
|
|
|
712 |
if (! is_object($compare)) {
|
|
|
713 |
return 'No method on non-object [' . $dumper->describeValue($compare) . ']';
|
|
|
714 |
}
|
|
|
715 |
$method = $this->_method;
|
|
|
716 |
return "Object [" . $dumper->describeValue($compare) .
|
|
|
717 |
"] should contain method [$method]";
|
|
|
718 |
}
|
|
|
719 |
}
|
|
|
720 |
?>
|