scorer.php.svn-base

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<?php
/**
 *  base include file for SimpleTest
 *  @package    SimpleTest
 *  @subpackage UnitTester
 *  @version    $Id: scorer.php 1723 2008-04-08 00:34:10Z lastcraft $
 */

/**#@+*/
require_once(dirname(__FILE__) . '/invoker.php');
/**#@-*/

/**
 *    Can receive test events and display them. Display
 *    is achieved by making display methods available
 *    and visiting the incoming event.
 *    @package SimpleTest
 *    @subpackage UnitTester
 *    @abstract
 */
class SimpleScorer {
    var $_passes;
    var $_fails;
    var $_exceptions;
    var $_is_dry_run;

    /**
     *    Starts the test run with no results.
     *    @access public
     */
    function SimpleScorer() {
        $this->_passes = 0;
        $this->_fails = 0;
        $this->_exceptions = 0;
        $this->_is_dry_run = false;
    }

    /**
     *    Signals that the next evaluation will be a dry
     *    run. That is, the structure events will be
     *    recorded, but no tests will be run.
     *    @param boolean $is_dry        Dry run if true.
     *    @access public
     */
    function makeDry($is_dry = true) {
        $this->_is_dry_run = $is_dry;
    }

    /**
     *    The reporter has a veto on what should be run.
     *    @param string $test_case_name  name of test case.
     *    @param string $method          Name of test method.
     *    @access public
     */
    function shouldInvoke($test_case_name, $method) {
        return ! $this->_is_dry_run;
    }

    /**
     *    Can wrap the invoker in preperation for running
     *    a test.
     *    @param SimpleInvoker $invoker   Individual test runner.
     *    @return SimpleInvoker           Wrapped test runner.
     *    @access public
     */
    function &createInvoker(&$invoker) {
        return $invoker;
    }

    /**
     *    Accessor for current status. Will be false
     *    if there have been any failures or exceptions.
     *    Used for command line tools.
     *    @return boolean        True if no failures.
     *    @access public
     */
    function getStatus() {
        if ($this->_exceptions + $this->_fails > 0) {
            return false;
        }
        return true;
    }

    /**
     *    Paints the start of a group test.
     *    @param string $test_name     Name of test or other label.
     *    @param integer $size         Number of test cases starting.
     *    @access public
     */
    function paintGroupStart($test_name, $size) {
    }

    /**
     *    Paints the end of a group test.
     *    @param string $test_name     Name of test or other label.
     *    @access public
     */
    function paintGroupEnd($test_name) {
    }

    /**
     *    Paints the start of a test case.
     *    @param string $test_name     Name of test or other label.
     *    @access public
     */
    function paintCaseStart($test_name) {
    }

    /**
     *    Paints the end of a test case.
     *    @param string $test_name     Name of test or other label.
     *    @access public
     */
    function paintCaseEnd($test_name) {
    }

    /**
     *    Paints the start of a test method.
     *    @param string $test_name     Name of test or other label.
     *    @access public
     */
    function paintMethodStart($test_name) {
    }

    /**
     *    Paints the end of a test method.
     *    @param string $test_name     Name of test or other label.
     *    @access public
     */
    function paintMethodEnd($test_name) {
    }

    /**
     *    Increments the pass count.
     *    @param string $message        Message is ignored.
     *    @access public
     */
    function paintPass($message) {
        $this->_passes++;
    }

    /**
     *    Increments the fail count.
     *    @param string $message        Message is ignored.
     *    @access public
     */
    function paintFail($message) {
        $this->_fails++;
    }

    /**
     *    Deals with PHP 4 throwing an error.
     *    @param string $message    Text of error formatted by
     *                              the test case.
     *    @access public
     */
    function paintError($message) {
        $this->_exceptions++;
    }

    /**
     *    Deals with PHP 5 throwing an exception.
     *    @param Exception $exception    The actual exception thrown.
     *    @access public
     */
    function paintException($exception) {
        $this->_exceptions++;
    }
    
    /**
     *    Prints the message for skipping tests.
     *    @param string $message    Text of skip condition.
     *    @access public
     */
    function paintSkip($message) {
    }

    /**
     *    Accessor for the number of passes so far.
     *    @return integer       Number of passes.
     *    @access public
     */
    function getPassCount() {
        return $this->_passes;
    }

    /**
     *    Accessor for the number of fails so far.
     *    @return integer       Number of fails.
     *    @access public
     */
    function getFailCount() {
        return $this->_fails;
    }

    /**
     *    Accessor for the number of untrapped errors
     *    so far.
     *    @return integer       Number of exceptions.
     *    @access public
     */
    function getExceptionCount() {
        return $this->_exceptions;
    }

    /**
     *    Paints a simple supplementary message.
     *    @param string $message        Text to display.
     *    @access public
     */
    function paintMessage($message) {
    }

    /**
     *    Paints a formatted ASCII message such as a
     *    variable dump.
     *    @param string $message        Text to display.
     *    @access public
     */
    function paintFormattedMessage($message) {
    }

    /**
     *    By default just ignores user generated events.
     *    @param string $type        Event type as text.
     *    @param mixed $payload      Message or object.
     *    @access public
     */
    function paintSignal($type, $payload) {
    }
}

/**
 *    Recipient of generated test messages that can display
 *    page footers and headers. Also keeps track of the
 *    test nesting. This is the main base class on which
 *    to build the finished test (page based) displays.
 *    @package SimpleTest
 *    @subpackage UnitTester
 */
class SimpleReporter extends SimpleScorer {
    var $_test_stack;
    var $_size;
    var $_progress;

    /**
     *    Starts the display with no results in.
     *    @access public
     */
    function SimpleReporter() {
        $this->SimpleScorer();
        $this->_test_stack = array();
        $this->_size = null;
        $this->_progress = 0;
    }
    
    /**
     *    Gets the formatter for variables and other small
     *    generic data items.
     *    @return SimpleDumper          Formatter.
     *    @access public
     */
    function getDumper() {
        return new SimpleDumper();
    }

    /**
     *    Paints the start of a group test. Will also paint
     *    the page header and footer if this is the
     *    first test. Will stash the size if the first
     *    start.
     *    @param string $test_name   Name of test that is starting.
     *    @param integer $size       Number of test cases starting.
     *    @access public
     */
    function paintGroupStart($test_name, $size) {
        if (! isset($this->_size)) {
            $this->_size = $size;
        }
        if (count($this->_test_stack) == 0) {
            $this->paintHeader($test_name);
        }
        $this->_test_stack[] = $test_name;
    }

    /**
     *    Paints the end of a group test. Will paint the page
     *    footer if the stack of tests has unwound.
     *    @param string $test_name   Name of test that is ending.
     *    @param integer $progress   Number of test cases ending.
     *    @access public
     */
    function paintGroupEnd($test_name) {
        array_pop($this->_test_stack);
        if (count($this->_test_stack) == 0) {
            $this->paintFooter($test_name);
        }
    }

    /**
     *    Paints the start of a test case. Will also paint
     *    the page header and footer if this is the
     *    first test. Will stash the size if the first
     *    start.
     *    @param string $test_name   Name of test that is starting.
     *    @access public
     */
    function paintCaseStart($test_name) {
        if (! isset($this->_size)) {
            $this->_size = 1;
        }
        if (count($this->_test_stack) == 0) {
            $this->paintHeader($test_name);
        }
        $this->_test_stack[] = $test_name;
    }

    /**
     *    Paints the end of a test case. Will paint the page
     *    footer if the stack of tests has unwound.
     *    @param string $test_name   Name of test that is ending.
     *    @access public
     */
    function paintCaseEnd($test_name) {
        $this->_progress++;
        array_pop($this->_test_stack);
        if (count($this->_test_stack) == 0) {
            $this->paintFooter($test_name);
        }
    }

    /**
     *    Paints the start of a test method.
     *    @param string $test_name   Name of test that is starting.
     *    @access public
     */
    function paintMethodStart($test_name) {
        $this->_test_stack[] = $test_name;
    }

    /**
     *    Paints the end of a test method. Will paint the page
     *    footer if the stack of tests has unwound.
     *    @param string $test_name   Name of test that is ending.
     *    @access public
     */
    function paintMethodEnd($test_name) {
        array_pop($this->_test_stack);
    }

    /**
     *    Paints the test document header.
     *    @param string $test_name     First test top level
     *                                 to start.
     *    @access public
     *    @abstract
     */
    function paintHeader($test_name) {
    }

    /**
     *    Paints the test document footer.
     *    @param string $test_name        The top level test.
     *    @access public
     *    @abstract
     */
    function paintFooter($test_name) {
    }

    /**
     *    Accessor for internal test stack. For
     *    subclasses that need to see the whole test
     *    history for display purposes.
     *    @return array     List of methods in nesting order.
     *    @access public
     */
    function getTestList() {
        return $this->_test_stack;
    }

    /**
     *    Accessor for total test size in number
     *    of test cases. Null until the first
     *    test is started.
     *    @return integer   Total number of cases at start.
     *    @access public
     */
    function getTestCaseCount() {
        return $this->_size;
    }

    /**
     *    Accessor for the number of test cases
     *    completed so far.
     *    @return integer   Number of ended cases.
     *    @access public
     */
    function getTestCaseProgress() {
        return $this->_progress;
    }

    /**
     *    Static check for running in the comand line.
     *    @return boolean        True if CLI.
     *    @access public
     *    @static
     */
    function inCli() {
        return php_sapi_name() == 'cli';
    }
}

/**
 *    For modifying the behaviour of the visual reporters.
 *    @package SimpleTest
 *    @subpackage UnitTester
 */
class SimpleReporterDecorator {
    var $_reporter;

    /**
     *    Mediates between the reporter and the test case.
     *    @param SimpleScorer $reporter       Reporter to receive events.
     */
    function SimpleReporterDecorator(&$reporter) {
        $this->_reporter = &$reporter;
    }

    /**
     *    Signals that the next evaluation will be a dry
     *    run. That is, the structure events will be
     *    recorded, but no tests will be run.