Покрытие кода PHPUnit показывает покрытие 0%

Для одного из моей библиотеки ( источник ), Я настроил PHPunit следующим образом:

<?xml version="1.0" encoding="UTF-8"?>
<phpunit bootstrap="vendor/autoload.php" colors="true">
<testsuites>
<testsuite name="PHPReboot Stopwatch Test Suite">
<directory>tests/Phpreboot/Stopwatch</directory>
</testsuite>
</testsuites>
<filter>
<whitelist>
<directory suffix=".php">src/Phpreboot/Stopwatch</directory>
</whitelist>
</filter>
<logging>
<log type="coverage-html" target="./log/codeCoverage" charset="UTF-8"yui="true" highlight="true"lowUpperBound="50" highLowerBound="80"/>
<log type="testdox-html" target="./log/testdox.html" />
</logging>
</phpunit>

В выше источник, phpunit.xml.dist просто копируется как phpunit.xml.

Мой отчет о покрытии кода генерируется, но отчеты показывают покрытие кода 0%. Однако, основываясь на тестах (проверьте код в исходном коде), я уверен, что оно должно быть больше 0%.

Может кто-нибудь предложить, пожалуйста, где моя конфигурация идет не так?

Изменить после первого комментария

Testcases: https://github.com/phpreboot/stopwatch/blob/master/tests/Phpreboot/Stopwatch/StopWatchTest.php

<?php

namespace Phpunit\Stopwatch;

use Phpreboot\Stopwatch\StopWatch;
use Phpreboot\Stopwatch\Timer;

/**
* Class StopWatchTest
* @package Phpunit\Stopwatch
* @group Phpreboot
* @group Phpreboot_Stopwatch
* @group Phpreboot_Stopwatch_StopWatch
*/
class StopWatchTest extends \PHPUnit_Framework_TestCase
{
/** @var  StopWatch $stopWatch */
private $stopWatch;

public function setUp()
{
$this->stopWatch = new StopWatch();
}

public function tearDown()
{
$this->stopWatch = null;
}

/* ******************/
/* Constructor test */
/* ******************/
/**
* @group Phpreboot_Stopwatch_StopWatch_constructor
*/
public function testStopWatchHaveDefaultWatch()
{
/** @var Timer $defaultWatch */
$defaultWatch = $this->stopWatch->getWatch();

$this->assertNotNull($defaultWatch, "No watch available");
$this->assertInstanceOf('Phpreboot\Stopwatch\Timer', $defaultWatch, "Not an instance of Watch");

$name = $defaultWatch->getName();

$this->assertEquals(StopWatch::STOPWATCH_DEFAULT_NAME, $name, "Default name of StopWatch is not set correctly");
}

/* ***************/
/* addWatch Test */
/* ***************/
/**
* @group Phpreboot_Stopwatch_StopWatch_addWatch
*/
public function testWatchCanBeAdded()
{
$this->assertEquals(1, $this->stopWatch->getWatchCount(), "Stopwatch doesn't initialized with default watch.");

$this->stopWatch->addWatch('testWatch');
$this->assertEquals(2, $this->stopWatch->getWatchCount(), "Stopwatch could not be added");
}

/**
* @group Phpreboot_Stopwatch_StopWatch_addWatch
*/
public function testWatchCanNotBeAddedWithDuplicateName()
{
$this->assertEquals(1, $this->stopWatch->getWatchCount(), "Stopwatch doesn't initialized with default watch.");
$this->assertFalse($this->stopWatch->addWatch(StopWatch::STOPWATCH_DEFAULT_NAME), "Watch with default name was duplicated.");
$this->assertEquals(1, $this->stopWatch->getWatchCount(), "Watch with default name was duplicated.");

$this->assertTrue($this->stopWatch->addWatch('testWatch'), "New watch couldn't be added.");
$this->assertEquals(2, $this->stopWatch->getWatchCount(), "New watch couldn't be added.");
$this->assertFalse($this->stopWatch->addWatch('testWatch'), "New watch with duplicate name was added.");
$this->assertEquals(2, $this->stopWatch->getWatchCount(), "New watch with duplicate name was added.");
}

/* ********************/
/* getWatchCount Test */
/* ********************/
/**
* @group Phpreboot_Stopwatch_StopWatch_getWatchCount
*/
public function testWatchCountIsCorrect()
{
$totalWatch = $this->stopWatch->getWatchCount();

$this->assertEquals(1, $totalWatch, "Watch count is not correct");
}

/* ***************/
/* getWatch Test */
/* ***************/
/**
* @group Phpreboot_Stopwatch_StopWatch_getWatch
*/
public function testDefaultWatchCouldBeReturned()
{
$watch = $this->stopWatch->getWatch();
$this->assertInstanceOf('Phpreboot\Stopwatch\Timer', $watch, "Default watch is not an instance of Watch.");
$this->assertEquals(StopWatch::STOPWATCH_DEFAULT_NAME, $watch->getName(), "Name of default was was not correctly set.");
}

/**
* @group Phpreboot_Stopwatch_StopWatch_getWatch
*/
public function testWatchCouldBeReturned()
{
$this->stopWatch->addWatch('newWatch');

$newWatch = $this->stopWatch->getWatch("newWatch");
$this->assertInstanceOf('Phpreboot\Stopwatch\Timer', $newWatch, "New watch is not an instance of Watch.");
}
}

Источник: https://github.com/phpreboot/stopwatch/blob/master/src/Phpreboot/Stopwatch/StopWatch.php

/*
* This file is part of the PHPReboot/Stopwatch package.
*
* (c) Kapil Sharma <kapil@phpreboot.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/

namespace Phpreboot\Stopwatch;

use Phpreboot\Stopwatch\Timer;

class StopWatch
{
const STOPWATCH_DEFAULT_NAME = "default_watch_R@nd0m_n@m3";

private $timers;

/**
* Constructor to create new StopWatch instance with default watch.
*/
public function __construct()
{
$this->timers = array();
$this->addWatch(self::STOPWATCH_DEFAULT_NAME);
}

public function start($name = self::STOPWATCH_DEFAULT_NAME)
{
if (!$this->isWatchExist($name)) {
return false;
}

return $this->getWatch($name)->start();
}

public function pause($name = self::STOPWATCH_DEFAULT_NAME)
{
if (!$this->isWatchExist($name)) {
return false;
}

return $this->getWatch($name)->pause();
}

public function stop($name = self::STOPWATCH_DEFAULT_NAME)
{
if (!$this->isWatchExist($name)) {
return false;
}

return $this->getWatch($name)->stop();
}

public function getTime($name = self::STOPWATCH_DEFAULT_NAME)
{
if (!$this->isWatchExist($name)) {
return -1;
}

return $this->getWatch($name)->getTime();
}

public function isWatchExist($name)
{
return array_key_exists($name, $this->timers);
}

/**
* Add a new watch to the StopWatch.
*
* @param string $name Name of watch to be added.
* @return bool True if watch added successfully, false otherwise.
*/
public function addWatch($name)
{
if (array_key_exists($name, $this->timers)) {
return false;
}

$watch = new Timer($name);
$this->timers[$name] = $watch;

return true;
}

public function addWatches(array $watches)
{
$isWatchAdded = false;

if (empty($watches)) {
return $isWatchAdded;
}

foreach ($watches as $watch) {
$this->addWatch($watch);
$isWatchAdded = true;
}

return $isWatchAdded;
}

/**
* Get a watch by name of watch.
*
* @param string $name Name of watch
* @throws \InvalidArgumentException In case watch with name '$name' does not exist.
* @return Timer A watch instance with name '$name'.
*/
public function getWatch($name = self::STOPWATCH_DEFAULT_NAME)
{
if (!array_key_exists($name, $this->timers)) {
throw new \InvalidArgumentException('Watch ' . $name . ' does not exist.');
}

return $this->timers[$name];
}

public function getWatchCount()
{
return count($this->timers);
}
}

Редактировать 2: настройки XDebug

php --info | grep xdebug
/etc/php5/cli/conf.d/20-xdebug.ini,
xdebug
xdebug support => enabled
xdebug.auto_trace => Off => Off
xdebug.cli_color => 0 => 0
xdebug.collect_assignments => Off => Off
xdebug.collect_includes => On => On
xdebug.collect_params => 0 => 0
xdebug.collect_return => Off => Off
xdebug.collect_vars => Off => Off
xdebug.coverage_enable => On => On
xdebug.default_enable => On => On
xdebug.dump.COOKIE => no value => no value
xdebug.dump.ENV => no value => no value
xdebug.dump.FILES => no value => no value
xdebug.dump.GET => no value => no value
xdebug.dump.POST => no value => no value
xdebug.dump.REQUEST => no value => no value
xdebug.dump.SERVER => no value => no value
xdebug.dump.SESSION => no value => no value
xdebug.dump_globals => On => On
xdebug.dump_once => On => On
xdebug.dump_undefined => Off => Off
xdebug.extended_info => On => On
xdebug.file_link_format => no value => no value
xdebug.idekey => no value => no value
xdebug.max_nesting_level => 250 => 250
xdebug.overload_var_dump => On => On
xdebug.profiler_aggregate => Off => Off
xdebug.profiler_append => Off => Off
xdebug.profiler_enable => Off => Off
xdebug.profiler_enable_trigger => Off => Off
xdebug.profiler_output_dir => /tmp => /tmp
xdebug.profiler_output_name => cachegrind.out.%p => cachegrind.out.%p
xdebug.remote_autostart => Off => Off
xdebug.remote_connect_back => On => On
xdebug.remote_cookie_expire_time => 3600 => 3600
xdebug.remote_enable => On => On
xdebug.remote_handler => dbgp => dbgp
xdebug.remote_host => localhost => localhost
xdebug.remote_log => no value => no value
xdebug.remote_mode => req => req
xdebug.remote_port => 9000 => 9000
xdebug.scream => Off => Off
xdebug.show_exception_trace => Off => Off
xdebug.show_local_vars => Off => Off
xdebug.show_mem_delta => Off => Off
xdebug.trace_enable_trigger => Off => Off
xdebug.trace_format => 0 => 0
xdebug.trace_options => 0 => 0
xdebug.trace_output_dir => /tmp => /tmp
xdebug.trace_output_name => trace.%c => trace.%c
xdebug.var_display_max_children => 128 => 128
xdebug.var_display_max_data => 512 => 512
xdebug.var_display_max_depth => 3 => 3