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MDL-59212 analytics: Expand unit test coverage

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Part of MDL-57791 epic.
This commit is contained in:
David Monllao
2017-07-24 08:36:59 +02:00
parent 68bfe1de40
commit f67bd6af70
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analytics/tests/time_splittings_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/>.
/**
* Unit tests for core time splitting methods.
*
* @package core_analytics
* @copyright 2017 David Monllaó {@link http://www.davidmonllao.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
require_once(__DIR__ . '/fixtures/test_target_shortname.php');
require_once(__DIR__ . '/../../lib/enrollib.php');
/**
* Unit tests for core time splitting methods.
*
* @package core_analytics
* @copyright 2017 David Monllaó {@link http://www.davidmonllao.com}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
class analytics_time_splittings_testcase extends advanced_testcase {
/**
* setUp
*
* @return void
*/
public function setUp() {
$this->resetAfterTest(true);
// Generate training data.
$params = array(
'startdate' => mktime(8, 15, 32, 10, 24, 2015),
'enddate' => mktime(12, 12, 31, 10, 24, 2016),
);
$course = $this->getDataGenerator()->create_course($params);
$this->analysable = new \core_analytics\course($course);
}
/**
* test_ranges
*
* @return void
*/
public function test_valid_ranges() {
// All core_analytics time splitting methods.
$timesplittings = array(
'\\core_analytics\\local\\time_splitting\\deciles',
'\\core_analytics\\local\\time_splitting\\deciles_accum',
'\\core_analytics\\local\\time_splitting\\no_splitting',
'\\core_analytics\\local\\time_splitting\\quarters',
'\\core_analytics\\local\\time_splitting\\quarters_accum',
'\\core_analytics\\local\\time_splitting\\single_range'
);
// Check that defined ranges are valid (tested through validate_ranges).
foreach ($timesplittings as $timesplitting) {
$instance = new $timesplitting();
$instance->set_analysable($this->analysable);
}
}
/**
* test_range_dates
*
* @return void
*/
public function test_range_dates() {
$nov2015 = mktime(0, 0, 0, 11, 24, 2015);
$aug2016 = mktime(0, 0, 0, 8, 29, 2016);
// Equal parts.
$quarters = new \core_analytics\local\time_splitting\quarters();
$quarters->set_analysable($this->analysable);
$ranges = $quarters->get_all_ranges();
$this->assertCount(4, $ranges);
$this->assertGreaterThan($ranges[0]['start'], $ranges[1]['start']);
$this->assertGreaterThan($ranges[0]['end'], $ranges[1]['start']);
$this->assertGreaterThan($ranges[0]['end'], $ranges[1]['end']);
$this->assertGreaterThan($ranges[1]['start'], $ranges[2]['start']);
$this->assertGreaterThan($ranges[1]['end'], $ranges[2]['start']);
$this->assertGreaterThan($ranges[1]['end'], $ranges[2]['end']);
$this->assertGreaterThan($ranges[2]['start'], $ranges[3]['start']);
$this->assertGreaterThan($ranges[2]['end'], $ranges[3]['end']);
$this->assertGreaterThan($ranges[2]['end'], $ranges[3]['start']);
// First range.
$this->assertLessThan($nov2015, $ranges[0]['start']);
$this->assertGreaterThan($nov2015, $ranges[0]['end']);
// Last range.
$this->assertLessThan($aug2016, $ranges[3]['start']);
$this->assertGreaterThan($aug2016, $ranges[3]['end']);
// Accumulative.
$accum = new \core_analytics\local\time_splitting\quarters_accum();
$accum->set_analysable($this->analysable);
$ranges = $accum->get_all_ranges();
$this->assertCount(4, $ranges);
$this->assertEquals($ranges[0]['start'], $ranges[1]['start']);
$this->assertEquals($ranges[1]['start'], $ranges[2]['start']);
$this->assertEquals($ranges[2]['start'], $ranges[3]['start']);
$this->assertGreaterThan($ranges[0]['end'], $ranges[1]['end']);
$this->assertGreaterThan($ranges[1]['end'], $ranges[2]['end']);
$this->assertGreaterThan($ranges[2]['end'], $ranges[3]['end']);
// Present in all ranges.
$this->assertLessThan($nov2015, $ranges[0]['start']);
$this->assertGreaterThan($nov2015, $ranges[0]['end']);
$this->assertGreaterThan($nov2015, $ranges[1]['end']);
$this->assertGreaterThan($nov2015, $ranges[2]['end']);
$this->assertGreaterThan($nov2015, $ranges[3]['end']);
// Only in the last range.
$this->assertLessThan($aug2016, $ranges[0]['end']);
$this->assertLessThan($aug2016, $ranges[1]['end']);
$this->assertLessThan($aug2016, $ranges[2]['end']);
$this->assertLessThan($aug2016, $ranges[3]['start']);
$this->assertGreaterThan($aug2016, $ranges[3]['end']);
}
/**
* test_ready_predict
*
* @return void
*/
public function test_ready_predict() {
$quarters = new \core_analytics\local\time_splitting\quarters();
$nosplitting = new \core_analytics\local\time_splitting\no_splitting();
$singlerange = new \core_analytics\local\time_splitting\single_range();
$range = array(
'start' => time() - 100,
'end' => time() - 20,
);
$range['time'] = $range['end'];
$this->assertTrue($quarters->ready_to_predict($range));
$this->assertTrue($nosplitting->ready_to_predict($range));
// Single range time is 0.
$range['time'] = 0;
$this->assertTrue($singlerange->ready_to_predict($range));
$range = array(
'start' => time() + 20,
'end' => time() + 100,
);
$range['time'] = $range['end'];
$this->assertFalse($quarters->ready_to_predict($range));
$this->assertTrue($nosplitting->ready_to_predict($range));
// Single range time is 0.
$range['time'] = 0;
$this->assertTrue($singlerange->ready_to_predict($range));
}
}