class VocabularyUiTest

class VocabularyUiTest extends TaxonomyTestBase {
    
    /**
     * The vocabulary used for creating terms.
     *
     * @var \Drupal\taxonomy\VocabularyInterface
     */
    protected $vocabulary;
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    protected function setUp() {
        parent::setUp();
        $this->drupalLogin($this->drupalCreateUser([
            'administer taxonomy',
        ]));
        $this->vocabulary = $this->createVocabulary();
        $this->drupalPlaceBlock('local_actions_block');
        $this->drupalPlaceBlock('page_title_block');
    }
    
    /**
     * Create, edit and delete a vocabulary via the user interface.
     */
    public function testVocabularyInterface() {
        // Visit the main taxonomy administration page.
        $this->drupalGet('admin/structure/taxonomy');
        // Create a new vocabulary.
        $this->clickLink(t('Add vocabulary'));
        $edit = [];
        $vid = mb_strtolower($this->randomMachineName());
        $edit['name'] = $this->randomMachineName();
        $edit['description'] = $this->randomMachineName();
        $edit['vid'] = $vid;
        $this->drupalPostForm(NULL, $edit, t('Save'));
        $this->assertRaw(t('Created new vocabulary %name.', [
            '%name' => $edit['name'],
        ]), 'Vocabulary created successfully.');
        // Edit the vocabulary.
        $this->drupalGet('admin/structure/taxonomy');
        $this->assertText($edit['name'], 'Vocabulary name found in the vocabulary overview listing.');
        $this->assertText($edit['description'], 'Vocabulary description found in the vocabulary overview listing.');
        $this->assertLinkByHref(Url::fromRoute('entity.taxonomy_term.add_form', [
            'taxonomy_vocabulary' => $edit['vid'],
        ])->toString());
        $this->clickLink(t('Edit vocabulary'));
        $edit = [];
        $edit['name'] = $this->randomMachineName();
        $edit['description'] = $this->randomMachineName();
        $this->drupalPostForm(NULL, $edit, t('Save'));
        $this->drupalGet('admin/structure/taxonomy');
        $this->assertText($edit['name'], 'Vocabulary name found in the vocabulary overview listing.');
        $this->assertText($edit['description'], 'Vocabulary description found in the vocabulary overview listing.');
        // Try to submit a vocabulary with a duplicate machine name.
        $edit['vid'] = $vid;
        $this->drupalPostForm('admin/structure/taxonomy/add', $edit, t('Save'));
        $this->assertText(t('The machine-readable name is already in use. It must be unique.'));
        // Try to submit an invalid machine name.
        $edit['vid'] = '!&^%';
        $this->drupalPostForm('admin/structure/taxonomy/add', $edit, t('Save'));
        $this->assertText(t('The machine-readable name must contain only lowercase letters, numbers, and underscores.'));
        // Ensure that vocabulary titles are escaped properly.
        $edit = [];
        $edit['name'] = 'Don\'t Panic';
        $edit['description'] = $this->randomMachineName();
        $edit['vid'] = 'don_t_panic';
        $this->drupalPostForm('admin/structure/taxonomy/add', $edit, t('Save'));
        $site_name = $this->config('system.site')
            ->get('name');
        $this->assertTitle("Don't Panic | {$site_name}");
    }
    
    /**
     * Changing weights on the vocabulary overview with two or more vocabularies.
     */
    public function testTaxonomyAdminChangingWeights() {
        // Create some vocabularies.
        for ($i = 0; $i < 10; $i++) {
            $this->createVocabulary();
        }
        // Get all vocabularies and change their weights.
        $vocabularies = Vocabulary::loadMultiple();
        $edit = [];
        foreach ($vocabularies as $key => $vocabulary) {
            $weight = -$vocabulary->get('weight');
            $vocabularies[$key]->set('weight', $weight);
            $edit['vocabularies[' . $key . '][weight]'] = $weight;
        }
        // Saving the new weights via the interface.
        $this->drupalPostForm('admin/structure/taxonomy', $edit, t('Save'));
        // Load the vocabularies from the database.
        $this->container
            ->get('entity_type.manager')
            ->getStorage('taxonomy_vocabulary')
            ->resetCache();
        $new_vocabularies = Vocabulary::loadMultiple();
        // Check that the weights are saved in the database correctly.
        foreach ($vocabularies as $key => $vocabulary) {
            $this->assertEqual($new_vocabularies[$key]->get('weight'), $vocabularies[$key]->get('weight'), 'The vocabulary weight was changed.');
        }
    }
    
    /**
     * Test the vocabulary overview with no vocabularies.
     */
    public function testTaxonomyAdminNoVocabularies() {
        // Delete all vocabularies.
        $vocabularies = Vocabulary::loadMultiple();
        foreach ($vocabularies as $key => $vocabulary) {
            $vocabulary->delete();
        }
        // Confirm that no vocabularies are found in the database.
        $this->assertEmpty(Vocabulary::loadMultiple(), 'No vocabularies found.');
        $this->drupalGet('admin/structure/taxonomy');
        // Check the default message for no vocabularies.
        $this->assertText(t('No vocabularies available.'));
    }
    
    /**
     * Deleting a vocabulary.
     */
    public function testTaxonomyAdminDeletingVocabulary() {
        // Create a vocabulary.
        $vid = mb_strtolower($this->randomMachineName());
        $edit = [
            'name' => $this->randomMachineName(),
            'vid' => $vid,
        ];
        $this->drupalPostForm('admin/structure/taxonomy/add', $edit, t('Save'));
        $this->assertText(t('Created new vocabulary'), 'New vocabulary was created.');
        // Check the created vocabulary.
        $this->container
            ->get('entity_type.manager')
            ->getStorage('taxonomy_vocabulary')
            ->resetCache();
        $vocabulary = Vocabulary::load($vid);
        $this->assertNotEmpty($vocabulary, 'Vocabulary found.');
        // Delete the vocabulary.
        $this->drupalGet('admin/structure/taxonomy/manage/' . $vocabulary->id());
        $this->clickLink(t('Delete'));
        $this->assertRaw(t('Are you sure you want to delete the vocabulary %name?', [
            '%name' => $vocabulary->label(),
        ]), '[confirm deletion] Asks for confirmation.');
        $this->assertText(t('Deleting a vocabulary will delete all the terms in it. This action cannot be undone.'), '[confirm deletion] Inform that all terms will be deleted.');
        // Confirm deletion.
        $this->drupalPostForm(NULL, NULL, t('Delete'));
        $this->assertRaw(t('Deleted vocabulary %name.', [
            '%name' => $vocabulary->label(),
        ]), 'Vocabulary deleted.');
        $this->container
            ->get('entity_type.manager')
            ->getStorage('taxonomy_vocabulary')
            ->resetCache();
        $this->assertNull(Vocabulary::load($vid), 'Vocabulary not found.');
    }

}