public function test_get_categories()
{
$this->resetAfterTest(true);
$this->setAdminUser();
$gg = $this->getDataGenerator()->get_plugin_generator('mod_glossary');
$c1 = $this->getDataGenerator()->create_course();
$g1 = $this->getDataGenerator()->create_module('glossary', array('course' => $c1->id));
$g2 = $this->getDataGenerator()->create_module('glossary', array('course' => $c1->id));
$cat1a = $gg->create_category($g1);
$cat1b = $gg->create_category($g1);
$cat1c = $gg->create_category($g1);
$cat2a = $gg->create_category($g2);
$return = mod_glossary_external::get_categories($g1->id, 0, 20);
$return = external_api::clean_returnvalue(mod_glossary_external::get_categories_returns(), $return);
$this->assertCount(3, $return['categories']);
$this->assertEquals(3, $return['count']);
$this->assertEquals($cat1a->id, $return['categories'][0]['id']);
$this->assertEquals($cat1b->id, $return['categories'][1]['id']);
$this->assertEquals($cat1c->id, $return['categories'][2]['id']);
$return = mod_glossary_external::get_categories($g1->id, 1, 2);
$return = external_api::clean_returnvalue(mod_glossary_external::get_categories_returns(), $return);
$this->assertCount(2, $return['categories']);
$this->assertEquals(3, $return['count']);
$this->assertEquals($cat1b->id, $return['categories'][0]['id']);
$this->assertEquals($cat1c->id, $return['categories'][1]['id']);
}
