class ExposedFormUITest

class ExposedFormUITest extends UITestBase {
    
    /**
     * Views used by this test.
     *
     * @var array
     */
    public static $testViews = [
        'test_exposed_admin_ui',
    ];
    
    /**
     * {@inheritdoc}
     */
    public static $modules = [
        'node',
        'views_ui',
        'block',
        'taxonomy',
        'field_ui',
        'datetime',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * Array of error message strings raised by the grouped form.
     *
     * @var array
     *
     * @see FilterPluginBase::buildGroupValidate
     */
    protected $groupFormUiErrors = [];
    protected function setUp($import_test_views = TRUE) {
        parent::setUp($import_test_views);
        $this->drupalCreateContentType([
            'type' => 'article',
        ]);
        $this->drupalCreateContentType([
            'type' => 'page',
        ]);
        // Create some random nodes.
        for ($i = 0; $i < 5; $i++) {
            $this->drupalCreateNode();
        }
        // Error strings used in the grouped filter form validation.
        $this->groupFormUiErrors['missing_value'] = t('A value is required if the label for this item is defined.');
        $this->groupFormUiErrors['missing_title'] = t('A label is required if the value for this item is defined.');
        $this->groupFormUiErrors['missing_title_empty_operator'] = t('A label is required for the specified operator.');
    }
    
    /**
     * Tests the admin interface of exposed filter and sort items.
     */
    public function testExposedAdminUi() {
        $edit = [];
        $this->drupalGet('admin/structure/views/nojs/handler/test_exposed_admin_ui/default/filter/type');
        // Be sure that the button is called exposed.
        $this->helperButtonHasLabel('edit-options-expose-button-button', 'Expose filter');
        // The first time the filter UI is displayed, the operator and the
        // value forms should be shown.
        $this->assertFieldById('edit-options-operator-in', 'in', 'Operator In exists');
        $this->assertFieldById('edit-options-operator-not-in', 'not in', 'Operator Not In exists');
        $this->assertFieldById('edit-options-value-page', '', 'Checkbox for Page exists');
        $this->assertFieldById('edit-options-value-article', '', 'Checkbox for Article exists');
        // Click the Expose filter button.
        $this->drupalPostForm('admin/structure/views/nojs/handler/test_exposed_admin_ui/default/filter/type', $edit, t('Expose filter'));
        // Check the label of the expose button.
        $this->helperButtonHasLabel('edit-options-expose-button-button', 'Hide filter');
        // After exposing the filter, Operator and Value should be still here.
        $this->assertFieldById('edit-options-operator-in', 'in', 'Operator In exists');
        $this->assertFieldById('edit-options-operator-not-in', 'not in', 'Operator Not In exists');
        $this->assertFieldById('edit-options-value-page', '', 'Checkbox for Page exists');
        $this->assertFieldById('edit-options-value-article', '', 'Checkbox for Article exists');
        // Check the validations of the filter handler.
        $edit = [];
        $edit['options[expose][identifier]'] = '';
        $this->drupalPostForm(NULL, $edit, t('Apply'));
        $this->assertText(t('The identifier is required if the filter is exposed.'));
        $edit = [];
        $edit['options[expose][identifier]'] = 'value';
        $this->drupalPostForm(NULL, $edit, t('Apply'));
        $this->assertText(t('This identifier is not allowed.'));
        // Now check the sort criteria.
        $this->drupalGet('admin/structure/views/nojs/handler/test_exposed_admin_ui/default/sort/created');
        $this->helperButtonHasLabel('edit-options-expose-button-button', 'Expose sort');
        $this->assertNoFieldById('edit-options-expose-label', '', 'Make sure no label field is shown');
        // Un-expose the filter.
        $this->drupalGet('admin/structure/views/nojs/handler/test_exposed_admin_ui/default/filter/type');
        $this->drupalPostForm(NULL, [], t('Hide filter'));
        // After Un-exposing the filter, Operator and Value should be shown again.
        $this->assertFieldById('edit-options-operator-in', 'in', 'Operator In exists after hide filter');
        $this->assertFieldById('edit-options-operator-not-in', 'not in', 'Operator Not In exists after hide filter');
        $this->assertFieldById('edit-options-value-page', '', 'Checkbox for Page exists after hide filter');
        $this->assertFieldById('edit-options-value-article', '', 'Checkbox for Article exists after hide filter');
        // Click the Expose sort button.
        $edit = [];
        $this->drupalPostForm('admin/structure/views/nojs/handler/test_exposed_admin_ui/default/sort/created', $edit, t('Expose sort'));
        // Check the label of the expose button.
        $this->helperButtonHasLabel('edit-options-expose-button-button', 'Hide sort');
        $this->assertFieldById('edit-options-expose-label', 'Authored on', 'Make sure a label field is shown');
        // Test adding a new exposed sort criteria.
        $view_id = $this->randomView()['id'];
        $this->drupalGet("admin/structure/views/nojs/add-handler/{$view_id}/default/sort");
        $this->drupalPostForm(NULL, [
            'name[node_field_data.created]' => 1,
        ], t('Add and configure @handler', [
            '@handler' => t('sort criteria'),
        ]));
        $this->assertFieldByXPath('//input[@name="options[order]" and @checked="checked"]', 'ASC', 'The default order is set.');
        // Change the order and expose the sort.
        $this->drupalPostForm(NULL, [
            'options[order]' => 'DESC',
        ], t('Apply'));
        $this->drupalPostForm("admin/structure/views/nojs/handler/{$view_id}/default/sort/created", [], t('Expose sort'));
        $this->assertFieldByXPath('//input[@name="options[order]" and @checked="checked"]', 'DESC');
        $this->assertFieldByName('options[expose][label]', 'Authored on', 'The default label is set.');
        // Change the label and save the view.
        $edit = [
            'options[expose][label]' => $this->randomString(),
        ];
        $this->drupalPostForm(NULL, $edit, t('Apply'));
        $this->drupalPostForm(NULL, [], t('Save'));
        // Check that the values were saved.
        $display = View::load($view_id)->getDisplay('default');
        $this->assertTrue($display['display_options']['sorts']['created']['exposed']);
        $this->assertEqual($display['display_options']['sorts']['created']['expose'], [
            'label' => $edit['options[expose][label]'],
        ]);
        $this->assertEqual($display['display_options']['sorts']['created']['order'], 'DESC');
    }
    
    /**
     * Tests the admin interface of exposed grouped filters.
     */
    public function testGroupedFilterAdminUi() {
        $edit = [];
        $this->drupalGet('admin/structure/views/nojs/handler/test_exposed_admin_ui/default/filter/type');
        // Click the Expose filter button.
        $this->drupalPostForm('admin/structure/views/nojs/handler/test_exposed_admin_ui/default/filter/type', $edit, t('Expose filter'));
        // Check the label of the grouped filters button.
        $this->helperButtonHasLabel('edit-options-group-button-button', 'Grouped filters');
        // Click the Grouped Filters button.
        $this->drupalGet('admin/structure/views/nojs/handler/test_exposed_admin_ui/default/filter/type');
        $this->drupalPostForm(NULL, [], t('Grouped filters'));
        // After click on 'Grouped Filters', the standard operator and value should
        // not be displayed.
        $this->assertNoFieldById('edit-options-operator-in', 'in', 'Operator In not exists');
        $this->assertNoFieldById('edit-options-operator-not-in', 'not in', 'Operator Not In not exists');
        $this->assertNoFieldById('edit-options-value-page', '', 'Checkbox for Page not exists');
        $this->assertNoFieldById('edit-options-value-article', '', 'Checkbox for Article not exists');
        // Check that after click on 'Grouped Filters', a new button is shown to
        // add more items to the list.
        $this->helperButtonHasLabel('edit-options-group-info-add-group', 'Add another item');
        // Validate a single entry for a grouped filter.
        $this->drupalGet('admin/structure/views/nojs/handler/test_exposed_admin_ui/default/filter/type');
        $edit = [];
        $edit["options[group_info][group_items][1][title]"] = 'Is Article';
        $edit["options[group_info][group_items][1][value][article]"] = 'article';
        $this->drupalPostForm(NULL, $edit, t('Apply'));
        $this->assertUrl('admin/structure/views/view/test_exposed_admin_ui/edit/default');
        $this->assertNoGroupedFilterErrors();
        // Validate multiple entries for grouped filters.
        $this->drupalGet('admin/structure/views/nojs/handler/test_exposed_admin_ui/default/filter/type');
        $edit = [];
        $edit["options[group_info][group_items][1][title]"] = 'Is Article';
        $edit["options[group_info][group_items][1][value][article]"] = 'article';
        $edit["options[group_info][group_items][2][title]"] = 'Is Page';
        $edit["options[group_info][group_items][2][value][page]"] = 'page';
        $edit["options[group_info][group_items][3][title]"] = 'Is Page and Article';
        $edit["options[group_info][group_items][3][value][article]"] = 'article';
        $edit["options[group_info][group_items][3][value][page]"] = 'page';
        $this->drupalPostForm(NULL, $edit, t('Apply'));
        $this->assertUrl('admin/structure/views/view/test_exposed_admin_ui/edit/default', [], 'Correct validation of the node type filter.');
        $this->assertNoGroupedFilterErrors();
        // Validate an "is empty" filter -- title without value is valid.
        $this->drupalGet('admin/structure/views/nojs/handler/test_exposed_admin_ui/default/filter/body_value');
        $edit = [];
        $edit["options[group_info][group_items][1][title]"] = 'No body';
        $edit["options[group_info][group_items][1][operator]"] = 'empty';
        $this->drupalPostForm(NULL, $edit, t('Apply'));
        $this->assertUrl('admin/structure/views/view/test_exposed_admin_ui/edit/default', [], 'The "empty" operator validates correctly.');
        $this->assertNoGroupedFilterErrors();
        // Ensure the string "0" can be used as a value for numeric filters.
        $this->drupalPostForm('admin/structure/views/nojs/add-handler/test_exposed_admin_ui/default/filter', [
            'name[node_field_data.nid]' => TRUE,
        ], t('Add and configure @handler', [
            '@handler' => t('filter criteria'),
        ]));
        $this->drupalPostForm(NULL, [], t('Expose filter'));
        $this->drupalPostForm(NULL, [], t('Grouped filters'));
        $edit = [];
        $edit['options[group_info][group_items][1][title]'] = 'Testing zero';
        $edit['options[group_info][group_items][1][operator]'] = '>';
        $edit['options[group_info][group_items][1][value][value]'] = '0';
        $this->drupalPostForm(NULL, $edit, t('Apply'));
        $this->assertUrl('admin/structure/views/view/test_exposed_admin_ui/edit/default', [], 'A string "0" is a valid value.');
        $this->assertNoGroupedFilterErrors();
        // Ensure "between" filters validate correctly.
        $this->drupalGet('admin/structure/views/nojs/handler/test_exposed_admin_ui/default/filter/nid');
        $edit['options[group_info][group_items][1][title]'] = 'ID between test';
        $edit['options[group_info][group_items][1][operator]'] = 'between';
        $edit['options[group_info][group_items][1][value][min]'] = '0';
        $edit['options[group_info][group_items][1][value][max]'] = '10';
        $this->drupalPostForm(NULL, $edit, t('Apply'));
        $this->assertUrl('admin/structure/views/view/test_exposed_admin_ui/edit/default', [], 'The "between" filter validates correctly.');
        $this->assertNoGroupedFilterErrors();
    }
    public function testGroupedFilterAdminUiErrors() {
        // Select the empty operator without a title specified.
        $this->drupalGet('admin/structure/views/nojs/handler/test_exposed_admin_ui/default/filter/body_value');
        $edit = [];
        $edit["options[group_info][group_items][1][title]"] = '';
        $edit["options[group_info][group_items][1][operator]"] = 'empty';
        $this->drupalPostForm(NULL, $edit, t('Apply'));
        $this->assertText($this->groupFormUiErrors['missing_title_empty_operator']);
        // Specify a title without a value.
        $this->drupalGet('admin/structure/views/nojs/handler/test_exposed_admin_ui/default/filter/type');
        $this->drupalPostForm('admin/structure/views/nojs/handler/test_exposed_admin_ui/default/filter/type', [], t('Expose filter'));
        $this->drupalPostForm('admin/structure/views/nojs/handler/test_exposed_admin_ui/default/filter/type', [], t('Grouped filters'));
        $edit = [];
        $edit["options[group_info][group_items][1][title]"] = 'Is Article';
        $this->drupalPostForm(NULL, $edit, t('Apply'));
        $this->assertText($this->groupFormUiErrors['missing_value']);
        // Specify a value without a title.
        $this->drupalGet('admin/structure/views/nojs/handler/test_exposed_admin_ui/default/filter/type');
        $edit = [];
        $edit["options[group_info][group_items][1][title]"] = '';
        $edit["options[group_info][group_items][1][value][article]"] = 'article';
        $this->drupalPostForm(NULL, $edit, t('Apply'));
        $this->assertText($this->groupFormUiErrors['missing_title']);
    }
    
    /**
     * Asserts that there are no Grouped Filters errors.
     *
     * @param string $message
     *   The assert message.
     * @param string $group
     *   The assertion group.
     *
     * @return bool
     *   Result of the assertion.
     */
    protected function assertNoGroupedFilterErrors($message = '', $group = 'Other') {
        foreach ($this->groupFormUiErrors as $error) {
            $err_message = $message;
            if (empty($err_message)) {
                $err_message = "Verify that '{$error}' is not in the HTML output.";
            }
            if (empty($message)) {
                return $this->assertNoRaw($error, $err_message, $group);
            }
        }
        return TRUE;
    }
    
    /**
     * Tests the configuration of grouped exposed filters.
     */
    public function testExposedGroupedFilter() {
        // Click the Expose filter button.
        $this->drupalPostForm('admin/structure/views/nojs/handler/test_exposed_admin_ui/default/filter/type', [], t('Expose filter'));
        // Select 'Grouped filters' radio button.
        $this->drupalPostForm('admin/structure/views/nojs/handler/test_exposed_admin_ui/default/filter/type', [], t('Grouped filters'));
        // Add 3 groupings.
        $edit = [
            'options[group_button][radios][radios]' => 1,
            'options[group_info][group_items][1][title]' => '1st',
            'options[group_info][group_items][1][value][all]' => 'all',
            'options[group_info][group_items][2][title]' => '2nd',
            'options[group_info][group_items][2][value][article]' => 'article',
            'options[group_info][group_items][3][title]' => '3rd',
            'options[group_info][group_items][3][value][page]' => 'page',
        ];
        // Apply the filter settings.
        $this->drupalPostForm(NULL, $edit, t('Apply'));
        // Check that the view is saved without errors.
        $this->drupalPostForm(NULL, [], t('Save'));
        $this->assertSession()
            ->statusCodeEquals(200);
        // Click the Expose filter button.
        $this->drupalPostForm('admin/structure/views/nojs/add-handler/test_exposed_admin_ui/default/filter', [
            'name[node_field_data.status]' => 1,
        ], t('Add and configure filter criteria'));
        $this->drupalPostForm('admin/structure/views/nojs/handler/test_exposed_admin_ui/default/filter/status', [], t('Expose filter'));
        // Select 'Grouped filters' radio button.
        $this->drupalPostForm('admin/structure/views/nojs/handler/test_exposed_admin_ui/default/filter/status', [], t('Grouped filters'));
        // Add 3 groupings.
        $edit = [
            'options[group_button][radios][radios]' => 1,
            'options[group_info][group_items][1][title]' => 'Any',
            'options[group_info][group_items][1][value]' => 'All',
            'options[group_info][group_items][2][title]' => 'Published',
            'options[group_info][group_items][2][value]' => 1,
            'options[group_info][group_items][3][title]' => 'Unpublished',
            'options[group_info][group_items][3][value]' => 0,
        ];
        // Apply the filter settings.
        $this->drupalPostForm(NULL, $edit, t('Apply'));
        // Check that the view is saved without errors.
        $this->drupalPostForm(NULL, [], t('Save'));
        $this->assertSession()
            ->statusCodeEquals(200);
        $this->drupalGet('admin/structure/views/nojs/handler/test_exposed_admin_ui/default/filter/status');
        // Assert the same settings defined before still are there.
        $this->assertFieldChecked('edit-options-group-info-group-items-1-value-all');
        $this->assertFieldChecked('edit-options-group-info-group-items-2-value-1');
        $this->assertFieldChecked('edit-options-group-info-group-items-3-value-0');
    }

}