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Diffstat (limited to 'vendors/simpletest/expectation.php')
| -rw-r--r-- | vendors/simpletest/expectation.php | 895 |
1 files changed, 895 insertions, 0 deletions
diff --git a/vendors/simpletest/expectation.php b/vendors/simpletest/expectation.php new file mode 100644 index 000000000..194afd5c7 --- /dev/null +++ b/vendors/simpletest/expectation.php @@ -0,0 +1,895 @@ +<?php +/** + * base include file for SimpleTest + * @package SimpleTest + * @subpackage UnitTester + * @version $Id: expectation.php 1723 2008-04-08 00:34:10Z lastcraft $ + */ + +/**#@+ + * include other SimpleTest class files + */ +require_once(dirname(__FILE__) . '/dumper.php'); +require_once(dirname(__FILE__) . '/compatibility.php'); +/**#@-*/ + +/** + * Assertion that can display failure information. + * Also includes various helper methods. + * @package SimpleTest + * @subpackage UnitTester + * @abstract + */ +class SimpleExpectation { + var $_dumper = false; + var $_message; + + /** + * Creates a dumper for displaying values and sets + * the test message. + * @param string $message Customised message on failure. + */ + function SimpleExpectation($message = '%s') { + $this->_message = $message; + } + + /** + * Tests the expectation. True if correct. + * @param mixed $compare Comparison value. + * @return boolean True if correct. + * @access public + * @abstract + */ + function test($compare) { + } + + /** + * Returns a human readable test message. + * @param mixed $compare Comparison value. + * @return string Description of success + * or failure. + * @access public + * @abstract + */ + function testMessage($compare) { + } + + /** + * Overlays the generated message onto the stored user + * message. An additional message can be interjected. + * @param mixed $compare Comparison value. + * @param SimpleDumper $dumper For formatting the results. + * @return string Description of success + * or failure. + * @access public + */ + function overlayMessage($compare, $dumper) { + $this->_dumper = $dumper; + return sprintf($this->_message, $this->testMessage($compare)); + } + + /** + * Accessor for the dumper. + * @return SimpleDumper Current value dumper. + * @access protected + */ + function &_getDumper() { + if (! $this->_dumper) { + $dumper = &new SimpleDumper(); + return $dumper; + } + return $this->_dumper; + } + + /** + * Test to see if a value is an expectation object. + * A useful utility method. + * @param mixed $expectation Hopefully an Epectation + * class. + * @return boolean True if descended from + * this class. + * @access public + * @static + */ + function isExpectation($expectation) { + return is_object($expectation) && + SimpleTestCompatibility::isA($expectation, 'SimpleExpectation'); + } +} + +/** + * A wildcard expectation always matches. + * @package SimpleTest + * @subpackage MockObjects + */ +class AnythingExpectation extends SimpleExpectation { + + /** + * Tests the expectation. Always true. + * @param mixed $compare Ignored. + * @return boolean True. + * @access public + */ + function test($compare) { + return true; + } + + /** + * Returns a human readable test message. + * @param mixed $compare Comparison value. + * @return string Description of success + * or failure. + * @access public + */ + function testMessage($compare) { + $dumper = &$this->_getDumper(); + return 'Anything always matches [' . $dumper->describeValue($compare) . ']'; + } +} + +/** + * An expectation that never matches. + * @package SimpleTest + * @subpackage MockObjects + */ +class FailedExpectation extends SimpleExpectation { + + /** + * Tests the expectation. Always false. + * @param mixed $compare Ignored. + * @return boolean True. + * @access public + */ + function test($compare) { + return false; + } + + /** + * Returns a human readable test message. + * @param mixed $compare Comparison value. + * @return string Description of failure. + * @access public + */ + function testMessage($compare) { + $dumper = &$this->_getDumper(); + return 'Failed expectation never matches [' . $dumper->describeValue($compare) . ']'; + } +} + +/** + * An expectation that passes on boolean true. + * @package SimpleTest + * @subpackage MockObjects + */ +class TrueExpectation extends SimpleExpectation { + + /** + * Tests the expectation. + * @param mixed $compare Should be true. + * @return boolean True on match. + * @access public + */ + function test($compare) { + return (boolean)$compare; + } + + /** + * Returns a human readable test message. + * @param mixed $compare Comparison value. + * @return string Description of success + * or failure. + * @access public + */ + function testMessage($compare) { + $dumper = &$this->_getDumper(); + return 'Expected true, got [' . $dumper->describeValue($compare) . ']'; + } +} + +/** + * An expectation that passes on boolean false. + * @package SimpleTest + * @subpackage MockObjects + */ +class FalseExpectation extends SimpleExpectation { + + /** + * Tests the expectation. + * @param mixed $compare Should be false. + * @return boolean True on match. + * @access public + */ + function test($compare) { + return ! (boolean)$compare; + } + + /** + * Returns a human readable test message. + * @param mixed $compare Comparison value. + * @return string Description of success + * or failure. + * @access public + */ + function testMessage($compare) { + $dumper = &$this->_getDumper(); + return 'Expected false, got [' . $dumper->describeValue($compare) . ']'; + } +} + +/** + * Test for equality. + * @package SimpleTest + * @subpackage UnitTester + */ +class EqualExpectation extends SimpleExpectation { + var $_value; + + /** + * Sets the value to compare against. + * @param mixed $value Test value to match. + * @param string $message Customised message on failure. + * @access public + */ + function EqualExpectation($value, $message = '%s') { + $this->SimpleExpectation($message); + $this->_value = $value; + } + + /** + * Tests the expectation. True if it matches the + * held value. + * @param mixed $compare Comparison value. + * @return boolean True if correct. + * @access public + */ + function test($compare) { + return (($this->_value == $compare) && ($compare == $this->_value)); + } + + /** + * Returns a human readable test message. + * @param mixed $compare Comparison value. + * @return string Description of success + * or failure. + * @access public + */ + function testMessage($compare) { + if ($this->test($compare)) { + return "Equal expectation [" . $this->_dumper->describeValue($this->_value) . "]"; + } else { + return "Equal expectation fails " . + $this->_dumper->describeDifference($this->_value, $compare); + } + } + + /** + * Accessor for comparison value. + * @return mixed Held value to compare with. + * @access protected + */ + function _getValue() { + return $this->_value; + } +} + +/** + * Test for inequality. + * @package SimpleTest + * @subpackage UnitTester + */ +class NotEqualExpectation extends EqualExpectation { + + /** + * Sets the value to compare against. + * @param mixed $value Test value to match. + * @param string $message Customised message on failure. + * @access public + */ + function NotEqualExpectation($value, $message = '%s') { + $this->EqualExpectation($value, $message); + } + + /** + * Tests the expectation. True if it differs from the + * held value. + * @param mixed $compare Comparison value. + * @return boolean True if correct. + * @access public + */ + function test($compare) { + return ! parent::test($compare); + } + + /** + * Returns a human readable test message. + * @param mixed $compare Comparison value. + * @return string Description of success + * or failure. + * @access public + */ + function testMessage($compare) { + $dumper = &$this->_getDumper(); + if ($this->test($compare)) { + return "Not equal expectation passes " . + $dumper->describeDifference($this->_getValue(), $compare); + } else { + return "Not equal expectation fails [" . + $dumper->describeValue($this->_getValue()) . + "] matches"; + } + } +} + +/** + * Test for being within a range. + * @package SimpleTest + * @subpackage UnitTester + */ +class WithinMarginExpectation extends SimpleExpectation { + var $_upper; + var $_lower; + + /** + * Sets the value to compare against and the fuzziness of + * the match. Used for comparing floating point values. + * @param mixed $value Test value to match. + * @param mixed $margin Fuzziness of match. + * @param string $message Customised message on failure. + * @access public + */ + function WithinMarginExpectation($value, $margin, $message = '%s') { + $this->SimpleExpectation($message); + $this->_upper = $value + $margin; + $this->_lower = $value - $margin; + } + + /** + * Tests the expectation. True if it matches the + * held value. + * @param mixed $compare Comparison value. + * @return boolean True if correct. + * @access public + */ + function test($compare) { + return (($compare <= $this->_upper) && ($compare >= $this->_lower)); + } + + /** + * Returns a human readable test message. + * @param mixed $compare Comparison value. + * @return string Description of success + * or failure. + * @access public + */ + function testMessage($compare) { + if ($this->test($compare)) { + return $this->_withinMessage($compare); + } else { + return $this->_outsideMessage($compare); + } + } + + /** + * Creates a the message for being within the range. + * @param mixed $compare Value being tested. + * @access private + */ + function _withinMessage($compare) { + return "Within expectation [" . $this->_dumper->describeValue($this->_lower) . "] and [" . + $this->_dumper->describeValue($this->_upper) . "]"; + } + + /** + * Creates a the message for being within the range. + * @param mixed $compare Value being tested. + * @access private + */ + function _outsideMessage($compare) { + if ($compare > $this->_upper) { + return "Outside expectation " . + $this->_dumper->describeDifference($compare, $this->_upper); + } else { + return "Outside expectation " . + $this->_dumper->describeDifference($compare, $this->_lower); + } + } +} + +/** + * Test for being outside of a range. + * @package SimpleTest + * @subpackage UnitTester + */ +class OutsideMarginExpectation extends WithinMarginExpectation { + + /** + * Sets the value to compare against and the fuzziness of + * the match. Used for comparing floating point values. + * @param mixed $value Test value to not match. + * @param mixed $margin Fuzziness of match. + * @param string $message Customised message on failure. + * @access public + */ + function OutsideMarginExpectation($value, $margin, $message = '%s') { + $this->WithinMarginExpectation($value, $margin, $message); + } + + /** + * Tests the expectation. True if it matches the + * held value. + * @param mixed $compare Comparison value. + * @return boolean True if correct. + * @access public + */ + function test($compare) { + return ! parent::test($compare); + } + + /** + * Returns a human readable test message. + * @param mixed $compare Comparison value. + * @return string Description of success + * or failure. + * @access public + */ + function testMessage($compare) { + if (! $this->test($compare)) { + return $this->_withinMessage($compare); + } else { + return $this->_outsideMessage($compare); + } + } +} + +/** + * Test for reference. + * @package SimpleTest + * @subpackage UnitTester + */ +class ReferenceExpectation extends SimpleExpectation { + var $_value; + + /** + * Sets the reference value to compare against. + * @param mixed $value Test reference to match. + * @param string $message Customised message on failure. + * @access public + */ + function ReferenceExpectation(&$value, $message = '%s') { + $this->SimpleExpectation($message); + $this->_value =& $value; + } + + /** + * Tests the expectation. True if it exactly + * references the held value. + * @param mixed $compare Comparison reference. + * @return boolean True if correct. + * @access public + */ + function test(&$compare) { + return SimpleTestCompatibility::isReference($this->_value, $compare); + } + + /** + * Returns a human readable test message. + * @param mixed $compare Comparison value. + * @return string Description of success + * or failure. + * @access public + */ + function testMessage($compare) { + if ($this->test($compare)) { + return "Reference expectation [" . $this->_dumper->describeValue($this->_value) . "]"; + } else { + return "Reference expectation fails " . + $this->_dumper->describeDifference($this->_value, $compare); + } + } + + function _getValue() { + return $this->_value; + } +} + +/** + * Test for identity. + * @package SimpleTest + * @subpackage UnitTester + */ +class IdenticalExpectation extends EqualExpectation { + + /** + * Sets the value to compare against. + * @param mixed $value Test value to match. + * @param string $message Customised message on failure. + * @access public + */ + function IdenticalExpectation($value, $message = '%s') { + $this->EqualExpectation($value, $message); + } + + /** + * Tests the expectation. True if it exactly + * matches the held value. + * @param mixed $compare Comparison value. + * @return boolean True if correct. + * @access public + */ + function test($compare) { + return SimpleTestCompatibility::isIdentical($this->_getValue(), $compare); + } + + /** + * Returns a human readable test message. + * @param mixed $compare Comparison value. + * @return string Description of success + * or failure. + * @access public + */ + function testMessage($compare) { + $dumper = &$this->_getDumper(); + if ($this->test($compare)) { + return "Identical expectation [" . $dumper->describeValue($this->_getValue()) . "]"; + } else { + return "Identical expectation [" . $dumper->describeValue($this->_getValue()) . + "] fails with [" . + $dumper->describeValue($compare) . "] " . + $dumper->describeDifference($this->_getValue(), $compare, TYPE_MATTERS); + } + } +} + +/** + * Test for non-identity. + * @package SimpleTest + * @subpackage UnitTester + */ +class NotIdenticalExpectation extends IdenticalExpectation { + + /** + * Sets the value to compare against. + * @param mixed $value Test value to match. + * @param string $message Customised message on failure. + * @access public + */ + function NotIdenticalExpectation($value, $message = '%s') { + $this->IdenticalExpectation($value, $message); + } + + /** + * Tests the expectation. True if it differs from the + * held value. + * @param mixed $compare Comparison value. + * @return boolean True if correct. + * @access public + */ + function test($compare) { + return ! parent::test($compare); + } + + /** + * Returns a human readable test message. + * @param mixed $compare Comparison value. + * @return string Description of success + * or failure. + * @access public + */ + function testMessage($compare) { + $dumper = &$this->_getDumper(); + if ($this->test($compare)) { + return "Not identical expectation passes " . + $dumper->describeDifference($this->_getValue(), $compare, TYPE_MATTERS); + } else { + return "Not identical expectation [" . $dumper->describeValue($this->_getValue()) . "] matches"; + } + } +} + +/** + * Test for a pattern using Perl regex rules. + * @package SimpleTest + * @subpackage UnitTester + */ +class PatternExpectation extends SimpleExpectation { + var $_pattern; + + /** + * Sets the value to compare against. + * @param string $pattern Pattern to search for. + * @param string $message Customised message on failure. + * @access public + */ + function PatternExpectation($pattern, $message = '%s') { + $this->SimpleExpectation($message); + $this->_pattern = $pattern; + } + + /** + * Accessor for the pattern. + * @return string Perl regex as string. + * @access protected + */ + function _getPattern() { + return $this->_pattern; + } + + /** + * Tests the expectation. True if the Perl regex + * matches the comparison value. + * @param string $compare Comparison value. + * @return boolean True if correct. + * @access public + */ + function test($compare) { + return (boolean)preg_match($this->_getPattern(), $compare); + } + + /** + * Returns a human readable test message. + * @param mixed $compare Comparison value. + * @return string Description of success + * or failure. + * @access public + */ + function testMessage($compare) { + if ($this->test($compare)) { + return $this->_describePatternMatch($this->_getPattern(), $compare); + } else { + $dumper = &$this->_getDumper(); + return "Pattern [" . $this->_getPattern() . + "] not detected in [" . + $dumper->describeValue($compare) . "]"; + } + } + + /** + * Describes a pattern match including the string + * found and it's position. + * @param string $pattern Regex to match against. + * @param string $subject Subject to search. + * @access protected + */ + function _describePatternMatch($pattern, $subject) { + preg_match($pattern, $subject, $matches); + $position = strpos($subject, $matches[0]); + $dumper = $this->_getDumper(); + return "Pattern [$pattern] detected at character [$position] in [" . + $dumper->describeValue($subject) . "] as [" . + $matches[0] . "] in region [" . + $dumper->clipString($subject, 100, $position) . "]"; + } +} + +/** + * @package SimpleTest + * @subpackage UnitTester + * @deprecated + */ +class WantedPatternExpectation extends PatternExpectation { +} + +/** + * Fail if a pattern is detected within the + * comparison. + * @package SimpleTest + * @subpackage UnitTester + */ +class NoPatternExpectation extends PatternExpectation { + + /** + * Sets the reject pattern + * @param string $pattern Pattern to search for. + * @param string $message Customised message on failure. + * @access public + */ + function NoPatternExpectation($pattern, $message = '%s') { + $this->PatternExpectation($pattern, $message); + } + + /** + * Tests the expectation. False if the Perl regex + * matches the comparison value. + * @param string $compare Comparison value. + * @return boolean True if correct. + * @access public + */ + function test($compare) { + return ! parent::test($compare); + } + + /** + * Returns a human readable test message. + * @param string $compare Comparison value. + * @return string Description of success + * or failure. + * @access public + */ + function testMessage($compare) { + if ($this->test($compare)) { + $dumper = &$this->_getDumper(); + return "Pattern [" . $this->_getPattern() . + "] not detected in [" . + $dumper->describeValue($compare) . "]"; + } else { + return $this->_describePatternMatch($this->_getPattern(), $compare); + } + } +} + +/** + * @package SimpleTest + * @subpackage UnitTester + * @deprecated + */ +class UnwantedPatternExpectation extends NoPatternExpectation { +} + +/** + * Tests either type or class name if it's an object. + * @package SimpleTest + * @subpackage UnitTester + */ +class IsAExpectation extends SimpleExpectation { + var $_type; + + /** + * Sets the type to compare with. + * @param string $type Type or class name. + * @param string $message Customised message on failure. + * @access public + */ + function IsAExpectation($type, $message = '%s') { + $this->SimpleExpectation($message); + $this->_type = $type; + } + + /** + * Accessor for type to check against. + * @return string Type or class name. + * @access protected + */ + function _getType() { + return $this->_type; + } + + /** + * Tests the expectation. True if the type or + * class matches the string value. + * @param string $compare Comparison value. + * @return boolean True if correct. + * @access public + */ + function test($compare) { + if (is_object($compare)) { + return SimpleTestCompatibility::isA($compare, $this->_type); + } else { + return (strtolower(gettype($compare)) == $this->_canonicalType($this->_type)); + } + } + + /** + * Coerces type name into a gettype() match. + * @param string $type User type. + * @return string Simpler type. + * @access private + */ + function _canonicalType($type) { + $type = strtolower($type); + $map = array( + 'bool' => 'boolean', + 'float' => 'double', + 'real' => 'double', + 'int' => 'integer'); + if (isset($map[$type])) { + $type = $map[$type]; + } + return $type; + } + + /** + * Returns a human readable test message. + * @param mixed $compare Comparison value. + * @return string Description of success + * or failure. + * @access public + */ + function testMessage($compare) { + $dumper = &$this->_getDumper(); + return "Value [" . $dumper->describeValue($compare) . + "] should be type [" . $this->_type . "]"; + } +} + +/** + * Tests either type or class name if it's an object. + * Will succeed if the type does not match. + * @package SimpleTest + * @subpackage UnitTester + */ +class NotAExpectation extends IsAExpectation { + var $_type; + + /** + * Sets the type to compare with. + * @param string $type Type or class name. + * @param string $message Customised message on failure. + * @access public + */ + function NotAExpectation($type, $message = '%s') { + $this->IsAExpectation($type, $message); + } + + /** + * Tests the expectation. False if the type or + * class matches the string value. + * @param string $compare Comparison value. + * @return boolean True if different. + * @access public + */ + function test($compare) { + return ! parent::test($compare); + } + + /** + * Returns a human readable test message. + * @param mixed $compare Comparison value. + * @return string Description of success + * or failure. + * @access public + */ + function testMessage($compare) { + $dumper = &$this->_getDumper(); + return "Value [" . $dumper->describeValue($compare) . + "] should not be type [" . $this->_getType() . "]"; + } +} + +/** + * Tests for existance of a method in an object + * @package SimpleTest + * @subpackage UnitTester + */ +class MethodExistsExpectation extends SimpleExpectation { + var $_method; + + /** + * Sets the value to compare against. + * @param string $method Method to check. + * @param string $message Customised message on failure. + * @access public + * @return void + */ + function MethodExistsExpectation($method, $message = '%s') { + $this->SimpleExpectation($message); + $this->_method = &$method; + } + + /** + * Tests the expectation. True if the method exists in the test object. + * @param string $compare Comparison method name. + * @return boolean True if correct. + * @access public + */ + function test($compare) { + return (boolean)(is_object($compare) && method_exists($compare, $this->_method)); + } + + /** + * Returns a human readable test message. + * @param mixed $compare Comparison value. + * @return string Description of success + * or failure. + * @access public + */ + function testMessage($compare) { + $dumper = &$this->_getDumper(); + if (! is_object($compare)) { + return 'No method on non-object [' . $dumper->describeValue($compare) . ']'; + } + $method = $this->_method; + return "Object [" . $dumper->describeValue($compare) . + "] should contain method [$method]"; + } +} +?>
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