Query/tests/simpletest/unit_tester.php

413 lines
15 KiB
PHP

<?php
/**
* base include file for SimpleTest
* @package SimpleTest
* @subpackage UnitTester
* @version $Id: unit_tester.php 1882 2009-07-01 14:30:05Z lastcraft $
*/
/**#@+
* include other SimpleTest class files
*/
require_once(dirname(__FILE__) . '/test_case.php');
require_once(dirname(__FILE__) . '/dumper.php');
/**#@-*/
/**
* Standard unit test class for day to day testing
* of PHP code XP style. Adds some useful standard
* assertions.
* @package SimpleTest
* @subpackage UnitTester
*/
class UnitTestCase extends SimpleTestCase {
/**
* Creates an empty test case. Should be subclassed
* with test methods for a functional test case.
* @param string $label Name of test case. Will use
* the class name if none specified.
* @access public
*/
function __construct($label = false) {
if (! $label) {
$label = get_class($this);
}
parent::__construct($label);
}
/**
* Called from within the test methods to register
* passes and failures.
* @param boolean $result Pass on true.
* @param string $message Message to display describing
* the test state.
* @return boolean True on pass
* @access public
*/
function assertTrue($result, $message = '%s') {
return $this->assert(new TrueExpectation(), $result, $message);
}
/**
* Will be true on false and vice versa. False
* is the PHP definition of false, so that null,
* empty strings, zero and an empty array all count
* as false.
* @param boolean $result Pass on false.
* @param string $message Message to display.
* @return boolean True on pass
* @access public
*/
function assertFalse($result, $message = '%s') {
return $this->assert(new FalseExpectation(), $result, $message);
}
/**
* Will be true if the value is null.
* @param null $value Supposedly null value.
* @param string $message Message to display.
* @return boolean True on pass
* @access public
*/
function assertNull($value, $message = '%s') {
$dumper = new SimpleDumper();
$message = sprintf(
$message,
'[' . $dumper->describeValue($value) . '] should be null');
return $this->assertTrue(! isset($value), $message);
}
/**
* Will be true if the value is set.
* @param mixed $value Supposedly set value.
* @param string $message Message to display.
* @return boolean True on pass.
* @access public
*/
function assertNotNull($value, $message = '%s') {
$dumper = new SimpleDumper();
$message = sprintf(
$message,
'[' . $dumper->describeValue($value) . '] should not be null');
return $this->assertTrue(isset($value), $message);
}
/**
* Type and class test. Will pass if class
* matches the type name or is a subclass or
* if not an object, but the type is correct.
* @param mixed $object Object to test.
* @param string $type Type name as string.
* @param string $message Message to display.
* @return boolean True on pass.
* @access public
*/
function assertIsA($object, $type, $message = '%s') {
return $this->assert(
new IsAExpectation($type),
$object,
$message);
}
/**
* Type and class mismatch test. Will pass if class
* name or underling type does not match the one
* specified.
* @param mixed $object Object to test.
* @param string $type Type name as string.
* @param string $message Message to display.
* @return boolean True on pass.
* @access public
*/
function assertNotA($object, $type, $message = '%s') {
return $this->assert(
new NotAExpectation($type),
$object,
$message);
}
/**
* Will trigger a pass if the two parameters have
* the same value only. Otherwise a fail.
* @param mixed $first Value to compare.
* @param mixed $second Value to compare.
* @param string $message Message to display.
* @return boolean True on pass
* @access public
*/
function assertEqual($first, $second, $message = '%s') {
return $this->assert(
new EqualExpectation($first),
$second,
$message);
}
/**
* Will trigger a pass if the two parameters have
* a different value. Otherwise a fail.
* @param mixed $first Value to compare.
* @param mixed $second Value to compare.
* @param string $message Message to display.
* @return boolean True on pass
* @access public
*/
function assertNotEqual($first, $second, $message = '%s') {
return $this->assert(
new NotEqualExpectation($first),
$second,
$message);
}
/**
* Will trigger a pass if the if the first parameter
* is near enough to the second by the margin.
* @param mixed $first Value to compare.
* @param mixed $second Value to compare.
* @param mixed $margin Fuzziness of match.
* @param string $message Message to display.
* @return boolean True on pass
* @access public
*/
function assertWithinMargin($first, $second, $margin, $message = '%s') {
return $this->assert(
new WithinMarginExpectation($first, $margin),
$second,
$message);
}
/**
* Will trigger a pass if the two parameters differ
* by more than the margin.
* @param mixed $first Value to compare.
* @param mixed $second Value to compare.
* @param mixed $margin Fuzziness of match.
* @param string $message Message to display.
* @return boolean True on pass
* @access public
*/
function assertOutsideMargin($first, $second, $margin, $message = '%s') {
return $this->assert(
new OutsideMarginExpectation($first, $margin),
$second,
$message);
}
/**
* Will trigger a pass if the two parameters have
* the same value and same type. Otherwise a fail.
* @param mixed $first Value to compare.
* @param mixed $second Value to compare.
* @param string $message Message to display.
* @return boolean True on pass
* @access public
*/
function assertIdentical($first, $second, $message = '%s') {
return $this->assert(
new IdenticalExpectation($first),
$second,
$message);
}
/**
* Will trigger a pass if the two parameters have
* the different value or different type.
* @param mixed $first Value to compare.
* @param mixed $second Value to compare.
* @param string $message Message to display.
* @return boolean True on pass
* @access public
*/
function assertNotIdentical($first, $second, $message = '%s') {
return $this->assert(
new NotIdenticalExpectation($first),
$second,
$message);
}
/**
* Will trigger a pass if both parameters refer
* to the same object or value. Fail otherwise.
* This will cause problems testing objects under
* E_STRICT.
* TODO: Replace with expectation.
* @param mixed $first Reference to check.
* @param mixed $second Hopefully the same variable.
* @param string $message Message to display.
* @return boolean True on pass
* @access public
*/
function assertReference(&$first, &$second, $message = '%s') {
$dumper = new SimpleDumper();
$message = sprintf(
$message,
'[' . $dumper->describeValue($first) .
'] and [' . $dumper->describeValue($second) .
'] should reference the same object');
return $this->assertTrue(
SimpleTestCompatibility::isReference($first, $second),
$message);
}
/**
* Will trigger a pass if both parameters refer
* to the same object. Fail otherwise. This has
* the same semantics at the PHPUnit assertSame.
* That is, if values are passed in it has roughly
* the same affect as assertIdentical.
* TODO: Replace with expectation.
* @param mixed $first Object reference to check.
* @param mixed $second Hopefully the same object.
* @param string $message Message to display.
* @return boolean True on pass
* @access public
*/
function assertSame($first, $second, $message = '%s') {
$dumper = new SimpleDumper();
$message = sprintf(
$message,
'[' . $dumper->describeValue($first) .
'] and [' . $dumper->describeValue($second) .
'] should reference the same object');
return $this->assertTrue($first === $second, $message);
}
/**
* Will trigger a pass if both parameters refer
* to different objects. Fail otherwise. The objects
* have to be identical though.
* @param mixed $first Object reference to check.
* @param mixed $second Hopefully not the same object.
* @param string $message Message to display.
* @return boolean True on pass
* @access public
*/
function assertClone($first, $second, $message = '%s') {
$dumper = new SimpleDumper();
$message = sprintf(
$message,
'[' . $dumper->describeValue($first) .
'] and [' . $dumper->describeValue($second) .
'] should not be the same object');
$identical = new IdenticalExpectation($first);
return $this->assertTrue(
$identical->test($second) && ! ($first === $second),
$message);
}
/**
* Will trigger a pass if both parameters refer
* to different variables. Fail otherwise. The objects
* have to be identical references though.
* This will fail under E_STRICT with objects. Use
* assertClone() for this.
* @param mixed $first Object reference to check.
* @param mixed $second Hopefully not the same object.
* @param string $message Message to display.
* @return boolean True on pass
* @access public
*/
function assertCopy(&$first, &$second, $message = "%s") {
$dumper = new SimpleDumper();
$message = sprintf(
$message,
"[" . $dumper->describeValue($first) .
"] and [" . $dumper->describeValue($second) .
"] should not be the same object");
return $this->assertFalse(
SimpleTestCompatibility::isReference($first, $second),
$message);
}
/**
* Will trigger a pass if the Perl regex pattern
* is found in the subject. Fail otherwise.
* @param string $pattern Perl regex to look for including
* the regex delimiters.
* @param string $subject String to search in.
* @param string $message Message to display.
* @return boolean True on pass
* @access public
*/
function assertPattern($pattern, $subject, $message = '%s') {
return $this->assert(
new PatternExpectation($pattern),
$subject,
$message);
}
/**
* Will trigger a pass if the perl regex pattern
* is not present in subject. Fail if found.
* @param string $pattern Perl regex to look for including
* the regex delimiters.
* @param string $subject String to search in.
* @param string $message Message to display.
* @return boolean True on pass
* @access public
*/
function assertNoPattern($pattern, $subject, $message = '%s') {
return $this->assert(
new NoPatternExpectation($pattern),
$subject,
$message);
}
/**
* Prepares for an error. If the error mismatches it
* passes through, otherwise it is swallowed. Any
* left over errors trigger failures.
* @param SimpleExpectation/string $expected The error to match.
* @param string $message Message on failure.
* @access public
*/
function expectError($expected = false, $message = '%s') {
$queue = SimpleTest::getContext()->get('SimpleErrorQueue');
$queue->expectError($this->coerceExpectation($expected), $message);
}
/**
* Prepares for an exception. If the error mismatches it
* passes through, otherwise it is swallowed. Any
* left over errors trigger failures.
* @param SimpleExpectation/Exception $expected The error to match.
* @param string $message Message on failure.
* @access public
*/
function expectException($expected = false, $message = '%s') {
$queue = SimpleTest::getContext()->get('SimpleExceptionTrap');
$line = $this->getAssertionLine();
$queue->expectException($expected, $message . $line);
}
/**
* Tells SimpleTest to ignore an upcoming exception as not relevant
* to the current test. It doesn't affect the test, whether thrown or
* not.
* @param SimpleExpectation/Exception $ignored The error to ignore.
* @access public
*/
function ignoreException($ignored = false) {
SimpleTest::getContext()->get('SimpleExceptionTrap')->ignoreException($ignored);
}
/**
* Creates an equality expectation if the
* object/value is not already some type
* of expectation.
* @param mixed $expected Expected value.
* @return SimpleExpectation Expectation object.
* @access private
*/
protected function coerceExpectation($expected) {
if ($expected == false) {
return new TrueExpectation();
}
if (SimpleTestCompatibility::isA($expected, 'SimpleExpectation')) {
return $expected;
}
return new EqualExpectation(
is_string($expected) ? str_replace('%', '%%', $expected) : $expected);
}
}
?>