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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/>. /** * Unit tests for the progress classes. * * @package core_progress * @category phpunit * @copyright 2013 The Open University * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later */ defined('MOODLE_INTERNAL') || die(); /** * Progress tests. */ class core_progress_testcase extends basic_testcase { /** * Tests for basic use with simple numeric progress. */ public function test_basic() { $progress = new core_mock_progress(); // Check values of empty progress things. $this->assertFalse($progress->is_in_progress_section()); // Start progress counting, check basic values and check that update // gets called. $progress->start_progress('hello', 10); $this->assertTrue($progress->was_update_called()); $this->assertTrue($progress->is_in_progress_section()); $this->assertEquals('hello', $progress->get_current_description()); // Check numeric position and indeterminate count. $this->assert_min_max(0.0, 0.0, $progress); $this->assertEquals(0, $progress->get_progress_count()); // Make some progress and check that the time limit gets added. $progress->step_time(); core_php_time_limit::get_and_clear_unit_test_data(); $progress->progress(2); $this->assertTrue($progress->was_update_called()); $this->assertEquals(array(\core\progress\base::TIME_LIMIT_WITHOUT_PROGRESS), core_php_time_limit::get_and_clear_unit_test_data()); // Check the new value. $this->assert_min_max(0.2, 0.2, $progress); // Do another progress run at same time, it should be ignored. $progress->progress(3); $this->assertFalse($progress->was_update_called()); $this->assert_min_max(0.3, 0.3, $progress); // End the section. This should cause an update. $progress->end_progress(); $this->assertTrue($progress->was_update_called()); // Because there are no sections left open, it thinks we finished. $this->assert_min_max(1.0, 1.0, $progress); // There was 1 progress call. $this->assertEquals(1, $progress->get_progress_count()); } /** * Tests progress that is nested and/or indeterminate. */ public function test_nested() { // Outer progress goes from 0 to 10. $progress = new core_mock_progress(); $progress->start_progress('hello', 10); // Get up to 4, check position. $progress->step_time(); $progress->progress(4); $this->assert_min_max(0.4, 0.4, $progress); $this->assertEquals('hello', $progress->get_current_description()); // Now start indeterminate progress. $progress->start_progress('world'); $this->assert_min_max(0.4, 0.5, $progress); $this->assertEquals('world', $progress->get_current_description()); // Do some indeterminate progress and count it (once per second). $progress->step_time(); $progress->progress(); $this->assertEquals(2, $progress->get_progress_count()); $progress->progress(); $this->assertEquals(2, $progress->get_progress_count()); $progress->step_time(); $progress->progress(); $this->assertEquals(3, $progress->get_progress_count()); $this->assert_min_max(0.4, 0.5, $progress); // Exit the indeterminate section. $progress->end_progress(); $this->assert_min_max(0.5, 0.5, $progress); $progress->step_time(); $progress->progress(7); $this->assert_min_max(0.7, 0.7, $progress); // Enter a numbered section (this time with a range of 5). $progress->start_progress('frogs', 5); $this->assert_min_max(0.7, 0.7, $progress); $progress->step_time(); $progress->progress(1); $this->assert_min_max(0.72, 0.72, $progress); $progress->step_time(); $progress->progress(3); $this->assert_min_max(0.76, 0.76, $progress); // Now enter another indeterminate section. $progress->start_progress('and'); $this->assert_min_max(0.76, 0.78, $progress); // Make some progress, should increment indeterminate count. $progress->step_time(); $progress->progress(); $this->assertEquals(7, $progress->get_progress_count()); // Enter numbered section, won't make any difference to values. $progress->start_progress('zombies', 2); $progress->step_time(); $progress->progress(1); $this->assert_min_max(0.76, 0.78, $progress); $this->assertEquals(8, $progress->get_progress_count()); // Leaving it will make no difference too. $progress->end_progress(); // Leaving the indeterminate section will though. $progress->end_progress(); $this->assert_min_max(0.78, 0.78, $progress); // Leave the two numbered sections. $progress->end_progress(); $this->assert_min_max(0.8, 0.8, $progress); $progress->end_progress(); $this->assertFalse($progress->is_in_progress_section()); } /** * Tests the feature for 'weighting' nested progress. */ public function test_nested_weighted() { $progress = new core_mock_progress(); $progress->start_progress('', 10); // First nested child has 2 units of its own and is worth 1 unit. $progress->start_progress('', 2); $progress->step_time(); $progress->progress(1); $this->assert_min_max(0.05, 0.05, $progress); $progress->end_progress(); $this->assert_min_max(0.1, 0.1, $progress); // Next child has 2 units of its own but is worth 3 units. $progress->start_progress('weighted', 2, 3); $progress->step_time(); $progress->progress(1); $this->assert_min_max(0.25, 0.25, $progress); $progress->end_progress(); $this->assert_min_max(0.4, 0.4, $progress); // Next indeterminate child is worth 6 units. $progress->start_progress('', \core\progress\base::INDETERMINATE, 6); $progress->step_time(); $progress->progress(); $this->assert_min_max(0.4, 1.0, $progress); $progress->end_progress(); $this->assert_min_max(1.0, 1.0, $progress); } /** * I had some issues with real use in backup/restore, this test is intended * to be similar. */ public function test_realistic() { $progress = new core_mock_progress(); $progress->start_progress('parent', 100); $progress->start_progress('child', 1); $progress->progress(1); $this->assert_min_max(0.01, 0.01, $progress); $progress->end_progress(); $this->assert_min_max(0.01, 0.01, $progress); } /** * To avoid causing problems, progress needs to work for sections that have * zero entries. */ public function test_zero() { $progress = new core_mock_progress(); $progress->start_progress('parent', 100); $progress->progress(1); $this->assert_min_max(0.01, 0.01, $progress); $progress->start_progress('child', 0); // For 'zero' progress, the progress section as immediately complete // within the parent count, so it moves up to 2%. $this->assert_min_max(0.02, 0.02, $progress); $progress->progress(0); $this->assert_min_max(0.02, 0.02, $progress); $progress->end_progress(); $this->assert_min_max(0.02, 0.02, $progress); } /** * Tests for any exceptions due to invalid calls. */ public function test_exceptions() { $progress = new core_mock_progress(); // Check errors when empty. try { $progress->progress(); $this->fail(); } catch (coding_exception $e) { $this->assertEquals(1, preg_match('~without start_progress~', $e->getMessage())); } try { $progress->end_progress(); $this->fail(); } catch (coding_exception $e) { $this->assertEquals(1, preg_match('~without start_progress~', $e->getMessage())); } try { $progress->get_current_description(); $this->fail(); } catch (coding_exception $e) { $this->assertEquals(1, preg_match('~Not inside progress~', $e->getMessage())); } try { $progress->start_progress('', 1, 7); $this->fail(); } catch (coding_exception $e) { $this->assertEquals(1, preg_match('~must be 1~', $e->getMessage())); } // Check invalid start (-2). try { $progress->start_progress('hello', -2); $this->fail(); } catch (coding_exception $e) { $this->assertEquals(1, preg_match('~cannot be negative~', $e->getMessage())); } // Indeterminate when value expected. $progress->start_progress('hello', 10); try { $progress->progress(\core\progress\base::INDETERMINATE); $this->fail(); } catch (coding_exception $e) { $this->assertEquals(1, preg_match('~expecting value~', $e->getMessage())); } // Value when indeterminate expected. $progress->start_progress('hello'); try { $progress->progress(4); $this->fail(); } catch (coding_exception $e) { $this->assertEquals(1, preg_match('~expecting INDETERMINATE~', $e->getMessage())); } // Illegal values. $progress->start_progress('hello', 10); try { $progress->progress(-2); $this->fail(); } catch (coding_exception $e) { $this->assertEquals(1, preg_match('~out of range~', $e->getMessage())); } try { $progress->progress(11); $this->fail(); } catch (coding_exception $e) { $this->assertEquals(1, preg_match('~out of range~', $e->getMessage())); } // You are allowed two with the same value... $progress->progress(4); $progress->step_time(); $progress->progress(4); $progress->step_time(); // ...but not to go backwards. try { $progress->progress(3); $this->fail(); } catch (coding_exception $e) { $this->assertEquals(1, preg_match('~backwards~', $e->getMessage())); } // When you go forward, you can't go further than there is room. try { $progress->start_progress('', 1, 7); $this->fail(); } catch (coding_exception $e) { $this->assertEquals(1, preg_match('~would exceed max~', $e->getMessage())); } } public function test_progress_change() { $progress = new core_mock_progress(); $progress->start_progress('hello', 50); for ($n = 1; $n <= 10; $n++) { $progress->increment_progress(); } // Check numeric position and indeterminate count. $this->assert_min_max(0.2, 0.2, $progress); $this->assertEquals(1, $progress->get_progress_count()); // Make some progress and check that the time limit gets added. $progress->step_time(); for ($n = 1; $n <= 20; $n++) { $progress->increment_progress(); } $this->assertTrue($progress->was_update_called()); // Check the new value. $this->assert_min_max(0.6, 0.6, $progress); $this->assertEquals(2, $progress->get_progress_count()); for ($n = 1; $n <= 10; $n++) { $progress->increment_progress(); } $this->assertFalse($progress->was_update_called()); $this->assert_min_max(0.8, 0.8, $progress); $this->assertEquals(2, $progress->get_progress_count()); // Do another progress run at same time, it should be ignored. $progress->increment_progress(5); $this->assertFalse($progress->was_update_called()); $this->assert_min_max(0.9, 0.9, $progress); $this->assertEquals(2, $progress->get_progress_count()); for ($n = 1; $n <= 3; $n++) { $progress->step_time(); $progress->increment_progress(1); } $this->assertTrue($progress->was_update_called()); $this->assert_min_max(0.96, 0.96, $progress); $this->assertEquals(5, $progress->get_progress_count()); // End the section. This should cause an update. $progress->end_progress(); $this->assertTrue($progress->was_update_called()); $this->assertEquals(5, $progress->get_progress_count()); // Because there are no sections left open, it thinks we finished. $this->assert_min_max(1.0, 1.0, $progress); } /** * Checks the current progress values are as expected. * * @param number $min Expected min progress * @param number $max Expected max progress * @param core_mock_progress $progress */ private function assert_min_max($min, $max, core_mock_progress $progress) { $this->assertEquals(array($min, $max), $progress->get_progress_proportion_range()); } } /** * Helper class that records when update_progress is called and allows time * stepping. */ class core_mock_progress extends \core\progress\base { private $updatecalled = false; private $time = 1; /** * Checks if update was called since the last call to this function. * * @return boolean True if update was called */ public function was_update_called() { if ($this->updatecalled) { $this->updatecalled = false; return true; } return false; } /** * Steps the current time by 1 second. */ public function step_time() { $this->time++; } protected function update_progress() { $this->updatecalled = true; } protected function get_time() { return $this->time; } }