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authorbrettp <brettp@36083f99-b078-4883-b0ff-0f9b5a30f544>2009-10-02 18:40:04 +0000
committerbrettp <brettp@36083f99-b078-4883-b0ff-0f9b5a30f544>2009-10-02 18:40:04 +0000
commit322bb9cd2be9e51422cb2b82684692e825c2bfb7 (patch)
tree1e8e75c1ff0c47d6eda9db114a13dfa2b83adf72 /vendors/simpletest/dumper.php
parent4ffb02ad9c1b95013a0fbf97cefde827600ecc3f (diff)
downloadelgg-322bb9cd2be9e51422cb2b82684692e825c2bfb7.tar.gz
elgg-322bb9cd2be9e51422cb2b82684692e825c2bfb7.tar.bz2
Added simpletest and start of unit tests.
git-svn-id: http://code.elgg.org/elgg/trunk@3503 36083f99-b078-4883-b0ff-0f9b5a30f544
Diffstat (limited to 'vendors/simpletest/dumper.php')
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1 files changed, 360 insertions, 0 deletions
diff --git a/vendors/simpletest/dumper.php b/vendors/simpletest/dumper.php
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+<?php
+/**
+ * base include file for SimpleTest
+ * @package SimpleTest
+ * @subpackage UnitTester
+ * @version $Id: dumper.php 1723 2008-04-08 00:34:10Z lastcraft $
+ */
+/**
+ * does type matter
+ */
+if (! defined('TYPE_MATTERS')) {
+ define('TYPE_MATTERS', true);
+}
+
+/**
+ * Displays variables as text and does diffs.
+ * @package SimpleTest
+ * @subpackage UnitTester
+ */
+class SimpleDumper {
+
+ /**
+ * Renders a variable in a shorter form than print_r().
+ * @param mixed $value Variable to render as a string.
+ * @return string Human readable string form.
+ * @access public
+ */
+ function describeValue($value) {
+ $type = $this->getType($value);
+ switch($type) {
+ case "Null":
+ return "NULL";
+ case "Boolean":
+ return "Boolean: " . ($value ? "true" : "false");
+ case "Array":
+ return "Array: " . count($value) . " items";
+ case "Object":
+ return "Object: of " . get_class($value);
+ case "String":
+ return "String: " . $this->clipString($value, 200);
+ default:
+ return "$type: $value";
+ }
+ return "Unknown";
+ }
+
+ /**
+ * Gets the string representation of a type.
+ * @param mixed $value Variable to check against.
+ * @return string Type.
+ * @access public
+ */
+ function getType($value) {
+ if (! isset($value)) {
+ return "Null";
+ } elseif (is_bool($value)) {
+ return "Boolean";
+ } elseif (is_string($value)) {
+ return "String";
+ } elseif (is_integer($value)) {
+ return "Integer";
+ } elseif (is_float($value)) {
+ return "Float";
+ } elseif (is_array($value)) {
+ return "Array";
+ } elseif (is_resource($value)) {
+ return "Resource";
+ } elseif (is_object($value)) {
+ return "Object";
+ }
+ return "Unknown";
+ }
+
+ /**
+ * Creates a human readable description of the
+ * difference between two variables. Uses a
+ * dynamic call.
+ * @param mixed $first First variable.
+ * @param mixed $second Value to compare with.
+ * @param boolean $identical If true then type anomolies count.
+ * @return string Description of difference.
+ * @access public
+ */
+ function describeDifference($first, $second, $identical = false) {
+ if ($identical) {
+ if (! $this->_isTypeMatch($first, $second)) {
+ return "with type mismatch as [" . $this->describeValue($first) .
+ "] does not match [" . $this->describeValue($second) . "]";
+ }
+ }
+ $type = $this->getType($first);
+ if ($type == "Unknown") {
+ return "with unknown type";
+ }
+ $method = '_describe' . $type . 'Difference';
+ return $this->$method($first, $second, $identical);
+ }
+
+ /**
+ * Tests to see if types match.
+ * @param mixed $first First variable.
+ * @param mixed $second Value to compare with.
+ * @return boolean True if matches.
+ * @access private
+ */
+ function _isTypeMatch($first, $second) {
+ return ($this->getType($first) == $this->getType($second));
+ }
+
+ /**
+ * Clips a string to a maximum length.
+ * @param string $value String to truncate.
+ * @param integer $size Minimum string size to show.
+ * @param integer $position Centre of string section.
+ * @return string Shortened version.
+ * @access public
+ */
+ function clipString($value, $size, $position = 0) {
+ $length = strlen($value);
+ if ($length <= $size) {
+ return $value;
+ }
+ $position = min($position, $length);
+ $start = ($size/2 > $position ? 0 : $position - $size/2);
+ if ($start + $size > $length) {
+ $start = $length - $size;
+ }
+ $value = substr($value, $start, $size);
+ return ($start > 0 ? "..." : "") . $value . ($start + $size < $length ? "..." : "");
+ }
+
+ /**
+ * Creates a human readable description of the
+ * difference between two variables. The minimal
+ * version.
+ * @param null $first First value.
+ * @param mixed $second Value to compare with.
+ * @return string Human readable description.
+ * @access private
+ */
+ function _describeGenericDifference($first, $second) {
+ return "as [" . $this->describeValue($first) .
+ "] does not match [" .
+ $this->describeValue($second) . "]";
+ }
+
+ /**
+ * Creates a human readable description of the
+ * difference between a null and another variable.
+ * @param null $first First null.
+ * @param mixed $second Null to compare with.
+ * @param boolean $identical If true then type anomolies count.
+ * @return string Human readable description.
+ * @access private
+ */
+ function _describeNullDifference($first, $second, $identical) {
+ return $this->_describeGenericDifference($first, $second);
+ }
+
+ /**
+ * Creates a human readable description of the
+ * difference between a boolean and another variable.
+ * @param boolean $first First boolean.
+ * @param mixed $second Boolean to compare with.
+ * @param boolean $identical If true then type anomolies count.
+ * @return string Human readable description.
+ * @access private
+ */
+ function _describeBooleanDifference($first, $second, $identical) {
+ return $this->_describeGenericDifference($first, $second);
+ }
+
+ /**
+ * Creates a human readable description of the
+ * difference between a string and another variable.
+ * @param string $first First string.
+ * @param mixed $second String to compare with.
+ * @param boolean $identical If true then type anomolies count.
+ * @return string Human readable description.
+ * @access private
+ */
+ function _describeStringDifference($first, $second, $identical) {
+ if (is_object($second) || is_array($second)) {
+ return $this->_describeGenericDifference($first, $second);
+ }
+ $position = $this->_stringDiffersAt($first, $second);
+ $message = "at character $position";
+ $message .= " with [" .
+ $this->clipString($first, 200, $position) . "] and [" .
+ $this->clipString($second, 200, $position) . "]";
+ return $message;
+ }
+
+ /**
+ * Creates a human readable description of the
+ * difference between an integer and another variable.
+ * @param integer $first First number.
+ * @param mixed $second Number to compare with.
+ * @param boolean $identical If true then type anomolies count.
+ * @return string Human readable description.
+ * @access private
+ */
+ function _describeIntegerDifference($first, $second, $identical) {
+ if (is_object($second) || is_array($second)) {
+ return $this->_describeGenericDifference($first, $second);
+ }
+ return "because [" . $this->describeValue($first) .
+ "] differs from [" .
+ $this->describeValue($second) . "] by " .
+ abs($first - $second);
+ }
+
+ /**
+ * Creates a human readable description of the
+ * difference between two floating point numbers.
+ * @param float $first First float.
+ * @param mixed $second Float to compare with.
+ * @param boolean $identical If true then type anomolies count.
+ * @return string Human readable description.
+ * @access private
+ */
+ function _describeFloatDifference($first, $second, $identical) {
+ if (is_object($second) || is_array($second)) {
+ return $this->_describeGenericDifference($first, $second);
+ }
+ return "because [" . $this->describeValue($first) .
+ "] differs from [" .
+ $this->describeValue($second) . "] by " .
+ abs($first - $second);
+ }
+
+ /**
+ * Creates a human readable description of the
+ * difference between two arrays.
+ * @param array $first First array.
+ * @param mixed $second Array to compare with.
+ * @param boolean $identical If true then type anomolies count.
+ * @return string Human readable description.
+ * @access private
+ */
+ function _describeArrayDifference($first, $second, $identical) {
+ if (! is_array($second)) {
+ return $this->_describeGenericDifference($first, $second);
+ }
+ if (! $this->_isMatchingKeys($first, $second, $identical)) {
+ return "as key list [" .
+ implode(", ", array_keys($first)) . "] does not match key list [" .
+ implode(", ", array_keys($second)) . "]";
+ }
+ foreach (array_keys($first) as $key) {
+ if ($identical && ($first[$key] === $second[$key])) {
+ continue;
+ }
+ if (! $identical && ($first[$key] == $second[$key])) {
+ continue;
+ }
+ return "with member [$key] " . $this->describeDifference(
+ $first[$key],
+ $second[$key],
+ $identical);
+ }
+ return "";
+ }
+
+ /**
+ * Compares two arrays to see if their key lists match.
+ * For an identical match, the ordering and types of the keys
+ * is significant.
+ * @param array $first First array.
+ * @param array $second Array to compare with.
+ * @param boolean $identical If true then type anomolies count.
+ * @return boolean True if matching.
+ * @access private
+ */
+ function _isMatchingKeys($first, $second, $identical) {
+ $first_keys = array_keys($first);
+ $second_keys = array_keys($second);
+ if ($identical) {
+ return ($first_keys === $second_keys);
+ }
+ sort($first_keys);
+ sort($second_keys);
+ return ($first_keys == $second_keys);
+ }
+
+ /**
+ * Creates a human readable description of the
+ * difference between a resource and another variable.
+ * @param resource $first First resource.
+ * @param mixed $second Resource to compare with.
+ * @param boolean $identical If true then type anomolies count.
+ * @return string Human readable description.
+ * @access private
+ */
+ function _describeResourceDifference($first, $second, $identical) {
+ return $this->_describeGenericDifference($first, $second);
+ }
+
+ /**
+ * Creates a human readable description of the
+ * difference between two objects.
+ * @param object $first First object.
+ * @param mixed $second Object to compare with.
+ * @param boolean $identical If true then type anomolies count.
+ * @return string Human readable description.
+ * @access private
+ */
+ function _describeObjectDifference($first, $second, $identical) {
+ if (! is_object($second)) {
+ return $this->_describeGenericDifference($first, $second);
+ }
+ return $this->_describeArrayDifference(
+ get_object_vars($first),
+ get_object_vars($second),
+ $identical);
+ }
+
+ /**
+ * Find the first character position that differs
+ * in two strings by binary chop.
+ * @param string $first First string.
+ * @param string $second String to compare with.
+ * @return integer Position of first differing
+ * character.
+ * @access private
+ */
+ function _stringDiffersAt($first, $second) {
+ if (! $first || ! $second) {
+ return 0;
+ }
+ if (strlen($first) < strlen($second)) {
+ list($first, $second) = array($second, $first);
+ }
+ $position = 0;
+ $step = strlen($first);
+ while ($step > 1) {
+ $step = (integer)(($step + 1) / 2);
+ if (strncmp($first, $second, $position + $step) == 0) {
+ $position += $step;
+ }
+ }
+ return $position;
+ }
+
+ /**
+ * Sends a formatted dump of a variable to a string.
+ * @param mixed $variable Variable to display.
+ * @return string Output from print_r().
+ * @access public
+ * @static
+ */
+ function dump($variable) {
+ ob_start();
+ print_r($variable);
+ $formatted = ob_get_contents();
+ ob_end_clean();
+ return $formatted;
+ }
+}
+?> \ No newline at end of file