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MDL-38427 cache: implemented unit tests for all core cache stores

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1 parent cce0d9a commit ac6754a679acde9be4822858e07b890d8a621480 Sam Hemelryk committed Feb 28, 2013
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47 cache/stores/file/tests/file_test.php
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+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * File unit tests
+ *
+ * @package cachestore_file
+ * @copyright 2013 Sam Hemelryk
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+// Include the necessary evils.
+global $CFG;
+require_once($CFG->dirroot.'/cache/tests/fixtures/stores.php');
+require_once($CFG->dirroot.'/cache/stores/file/lib.php');
+
+/**
+ * File unit test class.
+ *
+ * @package cachestore_file
+ * @copyright 2013 Sam Hemelryk
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class cachestore_file_test extends cachestore_tests {
+ /**
+ * Returns the file class name
+ * @return string
+ */
+ protected function get_class_name() {
+ return 'cachestore_file';
+ }
+}
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57 cache/stores/memcache/tests/memcache_test.php
@@ -0,0 +1,57 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Memcache unit tests
+ *
+ * @package cachestore_memcache
+ * @copyright 2013 Sam Hemelryk
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+// Include the necessary evils.
+global $CFG;
+require_once($CFG->dirroot.'/cache/tests/fixtures/stores.php');
+require_once($CFG->dirroot.'/cache/stores/memcache/lib.php');
+
+/**
+ * Memcache unit test class.
+ *
+ * @package cachestore_memcache
+ * @copyright 2013 Sam Hemelryk
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class cachestore_memcache_test extends cachestore_tests {
+ /**
+ * Prepare to run tests.
+ */
+ public function setUp() {
+ if (defined('TEST_CACHESTORE_MEMCACHE_TESTSERVERS')) {
+ set_config('testservers', TEST_CACHESTORE_MEMCACHE_TESTSERVERS, 'cachestore_memcache');
+ $this->resetAfterTest();
+ }
+ parent::setUp();
+ }
+ /**
+ * Returns the memcache class name
+ * @return string
+ */
+ protected function get_class_name() {
+ return 'cachestore_memcache';
+ }
+}
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57 cache/stores/memcached/tests/memcached_test.php
@@ -0,0 +1,57 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Memcached unit tests
+ *
+ * @package cachestore_memcached
+ * @copyright 2013 Sam Hemelryk
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+// Include the necessary evils.
+global $CFG;
+require_once($CFG->dirroot.'/cache/tests/fixtures/stores.php');
+require_once($CFG->dirroot.'/cache/stores/memcached/lib.php');
+
+/**
+ * Memcached unit test class.
+ *
+ * @package cachestore_memcached
+ * @copyright 2013 Sam Hemelryk
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class cachestore_memcached_test extends cachestore_tests {
+ /**
+ * Prepare to run tests.
+ */
+ public function setUp() {
+ if (defined('TEST_CACHESTORE_MEMCACHED_TESTSERVERS')) {
+ set_config('testservers', TEST_CACHESTORE_MEMCACHED_TESTSERVERS, 'cachestore_memcached');
+ $this->resetAfterTest();
+ }
+ parent::setUp();
+ }
+ /**
+ * Returns the memcached class name
+ * @return string
+ */
+ protected function get_class_name() {
+ return 'cachestore_memcached';
+ }
+}
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57 cache/stores/mongodb/tests/mongodb_test.php
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+<?php
+// This mongodb is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * MongoDB unit tests
+ *
+ * @package cachestore_mongodb
+ * @copyright 2013 Sam Hemelryk
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+// Include the necessary evils.
+global $CFG;
+require_once($CFG->dirroot.'/cache/tests/fixtures/stores.php');
+require_once($CFG->dirroot.'/cache/stores/mongodb/lib.php');
+
+/**
+ * MongoDB unit test class.
+ *
+ * @package cachestore_mongodb
+ * @copyright 2013 Sam Hemelryk
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class cachestore_mongodb_test extends cachestore_tests {
+ /**
+ * Prepare to run tests.
+ */
+ public function setUp() {
+ if (defined('TEST_CACHESTORE_MONGODB_TESTSERVER')) {
+ set_config('testserver', TEST_CACHESTORE_MONGODB_TESTSERVER, 'cachestore_mongodb');
+ $this->resetAfterTest();
+ }
+ parent::setUp();
+ }
+ /**
+ * Returns the MongoDB class name
+ * @return string
+ */
+ protected function get_class_name() {
+ return 'cachestore_mongodb';
+ }
+}
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47 cache/stores/session/tests/session_test.php
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+<?php
+// This session is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Session unit tests
+ *
+ * @package cachestore_session
+ * @copyright 2013 Sam Hemelryk
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+// Include the necessary evils.
+global $CFG;
+require_once($CFG->dirroot.'/cache/tests/fixtures/stores.php');
+require_once($CFG->dirroot.'/cache/stores/session/lib.php');
+
+/**
+ * Session unit test class.
+ *
+ * @package cachestore_session
+ * @copyright 2013 Sam Hemelryk
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class cachestore_session_test extends cachestore_tests {
+ /**
+ * Returns the session class name
+ * @return string
+ */
+ protected function get_class_name() {
+ return 'cachestore_session';
+ }
+}
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47 cache/stores/static/tests/static_test.php
@@ -0,0 +1,47 @@
+<?php
+// This static is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Static unit tests
+ *
+ * @package cachestore_static
+ * @copyright 2013 Sam Hemelryk
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+// Include the necessary evils.
+global $CFG;
+require_once($CFG->dirroot.'/cache/tests/fixtures/stores.php');
+require_once($CFG->dirroot.'/cache/stores/static/lib.php');
+
+/**
+ * Static unit test class.
+ *
+ * @package cachestore_static
+ * @copyright 2013 Sam Hemelryk
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+class cachestore_static_test extends cachestore_tests {
+ /**
+ * Returns the static class name
+ * @return string
+ */
+ protected function get_class_name() {
+ return 'cachestore_static';
+ }
+}
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137 cache/tests/fixtures/stores.php
@@ -0,0 +1,137 @@
+<?php
+// This file is part of Moodle - http://moodle.org/
+//
+// Moodle is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// Moodle is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
+
+/**
+ * Cache store test fixtures.
+ *
+ * @package core
+ * @category cache
+ * @copyright 2013 Sam Hemelryk
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+
+defined('MOODLE_INTERNAL') || die();
+
+/**
+ * An abstract class to make writing unit tests for cache stores very easy.
+ *
+ * @package core
+ * @category cache
+ * @copyright 2013 Sam Hemelryk
+ * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
+ */
+abstract class cachestore_tests extends advanced_testcase {
+
+ /**
+ * Returns the class name for the store.
+ *
+ * @return string
+ */
+ abstract protected function get_class_name();
+
+ /**
+ * Run the unit tests for the store.
+ */
+ public function test_test_instance() {
+ $class = $this->get_class_name();
+ if (!class_exists($class) || !method_exists($class, 'initialise_test_instance') || !$class::are_requirements_met()) {
+ $this->markTestSkipped('Could not test '.$class.'. Requirements are not met.');
+ }
+
+ $modes = $class::get_supported_modes();
+ if ($modes & cache_store::MODE_APPLICATION) {
+ $definition = cache_definition::load_adhoc(cache_store::MODE_APPLICATION, $class, 'phpunit_test');
+ $instance = $class::initialise_test_instance($definition);
+ if (!$instance) {
+ $this->markTestSkipped('Could not test '.$class.'. No test instance configured for application caches.');
+ } else {
+ $this->run_tests($instance);
+ }
+ }
+ if ($modes & cache_store::MODE_SESSION) {
+ $definition = cache_definition::load_adhoc(cache_store::MODE_APPLICATION, $class, 'phpunit_test');
+ $instance = $class::initialise_test_instance($definition);
+ if (!$instance) {
+ $this->markTestSkipped('Could not test '.$class.'. No test instance configured for session caches.');
+ } else {
+ $this->run_tests($instance);
+ }
+ }
+ if ($modes & cache_store::MODE_REQUEST) {
+ $definition = cache_definition::load_adhoc(cache_store::MODE_APPLICATION, $class, 'phpunit_test');
+ $instance = $class::initialise_test_instance($definition);
+ if (!$instance) {
+ $this->markTestSkipped('Could not test '.$class.'. No test instance configured for request caches.');
+ } else {
+ $this->run_tests($instance);
+ }
+ }
+ }
+
+ /**
+ * Test the store for basic functionality.
+ */
+ public function run_tests(cache_store $instance) {
+
+ // Test set.
+ $this->assertTrue($instance->set('test1', 'test1'));
+ $this->assertTrue($instance->set('test2', 'test2'));
+
+ // Test get.
+ $this->assertEquals('test1', $instance->get('test1'));
+ $this->assertEquals('test2', $instance->get('test2'));
+
+ // Test delete.
+ $this->assertTrue($instance->delete('test1'));
+ $this->assertFalse($instance->delete('test3'));
+ $this->assertFalse($instance->get('test1'));
+ $this->assertEquals('test2', $instance->get('test2'));
+ $this->assertTrue($instance->set('test1', 'test1'));
+
+ // Test purge.
+ $this->assertTrue($instance->purge());
+ $this->assertFalse($instance->get('test1'));
+ $this->assertFalse($instance->get('test2'));
+
+ // Test set_many.
+ $outcome = $instance->set_many(array(
+ array('key' => 'many1', 'value' => 'many1'),
+ array('key' => 'many2', 'value' => 'many2'),
+ array('key' => 'many3', 'value' => 'many3'),
+ array('key' => 'many4', 'value' => 'many4'),
+ array('key' => 'many5', 'value' => 'many5')
+ ));
+ $this->assertEquals(5, $outcome);
+ $this->assertEquals('many1', $instance->get('many1'));
+ $this->assertEquals('many5', $instance->get('many5'));
+ $this->assertFalse($instance->get('many6'));
+
+ // Test get_many.
+ $result = $instance->get_many(array('many1', 'many3', 'many5', 'many6'));
+ $this->assertInternalType('array', $result);
+ $this->assertCount(4, $result);
+ $this->assertEquals(array(
+ 'many1' => 'many1',
+ 'many3' => 'many3',
+ 'many5' => 'many5',
+ 'many6' => false,
+ ), $result);
+
+ // Test delete_many.
+ $this->assertEquals(3, $instance->delete_many(array('many2', 'many3', 'many4')));
+ $this->assertEquals(2, $instance->delete_many(array('many1', 'many5', 'many6')));
+ }
+}

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