Tim Cinel

<?php
/**
 * TestUtils 
 * Utilities not included in test library that are commonly used in tests
 * 
 * copyright 2010 logon2 http://www.logon2.com.au
 * license http://opensource.org/licenses/gpl-3.0.html GNU Public License
 */
 
class TestUtils {
 
	function confirmSaveAndRestore($saved, $restored) {
		/*
		* Confirms the values saved to a database are
		* retreived accurately. 
		* saved can either be an array of key/value pairs OR
		* an array of an array of key/value pairs.
		*
		* The format of $restored must match that of $saved
		*/
 
		//determine if we're testing multiple values
		if (is_array($saved)) { 
			foreach ($saved as $key => $value) {
				if (!$key) {
					$array = true;
				} else {
					$array = false;
					break;
				}
			}
		} else {
			//the input MUST be an array or an array of an array
			throw new Exception("Input must be at least a 1D array");
		}
 
		if ($array = false) {
			$responses = array($saved);
		} else {
			$responses = $saved;
		}
 
		foreach ($responses as $response) {
			if (is_array($saved) && is_array($restored)) {
 
				foreach ($saved as $key => $value) {
					if ($restored[$key] != $value) {
						return false;
					}
				}
				return true;
			} else {
				throw new Exception("Inconsistent input");
			}
		}
	}
 
	function overwriteAttributes($attributes, $updates) {
		/*
		* Will overwrite attributes from $attributes with all attributes 
		* found in $updates, but leave all others
		*
		* This can be useful for testing edits
		*/
 
		if (is_array($updates)) {
			foreach ($updates as $key => $value) {
				$attributes[$key] = $value;
			}
		}
		return $attributes;
	}
 
	function generateBadValSet($badVals, $goodVals) {
		/*
		* Will generate a complete set of values, 
		* each with exactly one bad value from $badVals
		*
		* I was thinking if I should make it generate
		* all possibilities (n^m) rather than just
		* a set of values each with exactly one bad value.
		*/
		$badValSet = array();
 
		foreach($badVals as $attribute => $badVal) {
			if (!is_array($badVal)) {
				//more than one bad value for attribute
				$badVal = array($badVal);
			}
 
			foreach ($badVal as $thisBadVal) {
				$theseBadVals = $goodVals;
				$theseBadVals[$attribute] = $thisBadVal;
 
				$badValSet[] = $theseBadVals;
			}
		}
 
		return $badValSet;
 
	}
 
}
 
?>