<?php
/**
 * Extension of CakeTestCase Class
 *
 * @author  $Author: senge.keiyo $
 * @version $id$
 */
class MyCakeTestCase extends CakeTestCase {

    /**
     * Load fixtures specified in var $fixtures.
     *
     * fixtureディレクトリ配下の任意のディレクトリにフィクスチャを配置できるよう拡張。
     *
     * 例えば $fixtures に 'app.unit_test.uso' と指定すると、
     * /app/tests/fixtures/unit_test/uso_fixture.php をロードできる。
     *
     * @author senda.keijiro
     * @return void
     * @access protected
     */
    function _loadFixtures() {
        if (!isset($this->fixtures) || empty($this->fixtures)) {
            return;
        }

        if (!is_array($this->fixtures)) {
            $this->fixtures = array_map('trim', explode(',', $this->fixtures));
        }

        $this->_fixtures = array();

        foreach ($this->fixtures as $index => $fixture) {
            $fixtureFile = null;
            $fixturePaths = null;

            if (strpos($fixture, 'core.') === 0) {
                $fixture = substr($fixture, strlen('core.'));
                foreach (App::core('cake') as $key => $path) {
                    $fixturePaths[] = $path . 'tests' . DS . 'fixtures';
                }
            } elseif (strpos($fixture, 'app.') === 0) {
                // MODIFIED
                // app.unittest.plan が来たら /fixtures/unittest/plan_fixtures.php
                // をロードするようにする
                $parts = explode('.', $fixture);
                $fixture = $parts[count($parts) - 1];

                array_shift($parts);
                array_pop($parts);
                $path = implode(DS, $parts);

                $fixturePaths = array(
                    TESTS . 'fixtures' . DS . $path,
                    TESTS . 'fixtures',
                    VENDORS . 'tests' . DS . 'fixtures'
                );
            } elseif (strpos($fixture, 'plugin.') === 0) {
                $parts = explode('.', $fixture, 3);
                $pluginName = $parts[1];
                $fixture = $parts[2];
                $fixturePaths = array(
                    App::pluginPath($pluginName) . 'tests' . DS . 'fixtures',
                    TESTS . 'fixtures',
                    VENDORS . 'tests' . DS . 'fixtures'
                );
            } else {
                $fixturePaths = array(
                    TESTS . 'fixtures',
                    VENDORS . 'tests' . DS . 'fixtures',
                    TEST_CAKE_CORE_INCLUDE_PATH . DS . 'cake' . DS . 'tests' . DS . 'fixtures'
                );
            }

            foreach ($fixturePaths as $path) {
                if (is_readable($path . DS . $fixture . '_fixture.php')) {
                    $fixtureFile = $path . DS . $fixture . '_fixture.php';
                    break;
                }
            }

            if (isset($fixtureFile)) {
                require_once($fixtureFile);
                $fixtureClass = Inflector::camelize($fixture) . 'Fixture';
                $this->_fixtures[$this->fixtures[$index]] =& new $fixtureClass($this->db);
                $this->_fixtureClassMap[Inflector::camelize($fixture)] = $this->fixtures[$index];
            }
        }

        if (empty($this->_fixtures)) {
            unset($this->_fixtures);
        }
    }
}

<?php
App::import('Model', 'Uso');
App::import('Lib', 'MyCakeTestCase');

class HigesControllerTestCase extends MyCakeTestCase {
    var $fixtures = array(
        'app.hige.uso'      // /app/test/fixtures/hige/uso_fixture.php がロードされる
    );
?>