trait FieldUiTestTrait

trait FieldUiTestTrait {
    
    /**
     * Creates a new field through the Field UI.
     *
     * @param string $bundle_path
     *   Admin path of the bundle that the new field is to be attached to.
     * @param string $field_name
     *   The field name of the new field storage.
     * @param string $label
     *   (optional) The label of the new field. Defaults to a random string.
     * @param string $field_type
     *   (optional) The field type of the new field storage. Defaults to
     *   'test_field'.
     * @param array $storage_edit
     *   (optional) $edit parameter for submitForm() on the second step
     *   ('Storage settings' form).
     * @param array $field_edit
     *   (optional) $edit parameter for submitForm() on the third step ('Field
     *   settings' form).
     */
    public function fieldUIAddNewField($bundle_path, $field_name, $label = NULL, $field_type = 'test_field', array $storage_edit = [], array $field_edit = []) {
        // Generate a label containing only letters and numbers to prevent random
        // test failure.
        // See https://www.drupal.org/project/drupal/issues/3030902
        $label = $label ?: $this->randomMachineName();
        $initial_edit = [
            'new_storage_type' => $field_type,
            'label' => $label,
            'field_name' => $field_name,
        ];
        // Allow the caller to set a NULL path in case they navigated to the right
        // page before calling this method.
        if ($bundle_path !== NULL) {
            $bundle_path = "{$bundle_path}/fields/add-field";
        }
        // First step: 'Add field' page.
        if ($bundle_path !== NULL) {
            $this->drupalGet($bundle_path);
        }
        $this->submitForm($initial_edit, 'Save and continue');
        $this->assertSession()
            ->pageTextContains("These settings apply to the {$label} field everywhere it is used.");
        // Test Breadcrumbs.
        $this->assertSession()
            ->linkExists($label, 0, 'Field label is correct in the breadcrumb of the storage settings page.');
        // Second step: 'Storage settings' form.
        $this->submitForm($storage_edit, 'Save field settings');
        $this->assertSession()
            ->pageTextContains("Updated field {$label} field settings.");
        // Third step: 'Field settings' form.
        $this->submitForm($field_edit, 'Save settings');
        $this->assertSession()
            ->pageTextContains("Saved {$label} configuration.");
        // Check that the field appears in the overview form.
        $xpath = $this->assertSession()
            ->buildXPathQuery("//table[@id=\"field-overview\"]//tr/td[1 and text() = :label]", [
            ':label' => $label,
        ]);
        $this->assertSession()
            ->elementExists('xpath', $xpath);
    }
    
    /**
     * Adds an existing field through the Field UI.
     *
     * @param string $bundle_path
     *   Admin path of the bundle that the field is to be attached to.
     * @param string $existing_storage_name
     *   The name of the existing field storage for which we want to add a new
     *   field.
     * @param string $label
     *   (optional) The label of the new field. Defaults to a random string.
     * @param array $field_edit
     *   (optional) $edit parameter for submitForm() on the second step
     *   ('Field settings' form).
     */
    public function fieldUIAddExistingField($bundle_path, $existing_storage_name, $label = NULL, array $field_edit = []) {
        $label = $label ?: $this->randomMachineName();
        $initial_edit = [
            'existing_storage_name' => $existing_storage_name,
            'existing_storage_label' => $label,
        ];
        // First step: 'Re-use existing field' on the 'Add field' page.
        $this->drupalGet("{$bundle_path}/fields/add-field");
        $this->submitForm($initial_edit, 'Save and continue');
        // Set the main content to only the content region because the label can
        // contain HTML which will be auto-escaped by Twig.
        $this->assertSession()
            ->responseContains('field-config-edit-form');
        // Check that the page does not have double escaped HTML tags.
        $this->assertSession()
            ->responseNotContains('<');
        // Second step: 'Field settings' form.
        $this->submitForm($field_edit, 'Save settings');
        $this->assertSession()
            ->pageTextContains("Saved {$label} configuration.");
        // Check that the field appears in the overview form.
        $xpath = $this->assertSession()
            ->buildXPathQuery("//table[@id=\"field-overview\"]//tr/td[1 and text() = :label]", [
            ':label' => $label,
        ]);
        $this->assertSession()
            ->elementExists('xpath', $xpath);
    }
    
    /**
     * Deletes a field through the Field UI.
     *
     * @param string $bundle_path
     *   Admin path of the bundle that the field is to be deleted from.
     * @param string $field_name
     *   The name of the field.
     * @param string $label
     *   The label of the field.
     * @param string $bundle_label
     *   The label of the bundle.
     */
    public function fieldUIDeleteField($bundle_path, $field_name, $label, $bundle_label) {
        // Display confirmation form.
        $this->drupalGet("{$bundle_path}/fields/{$field_name}/delete");
        $this->assertSession()
            ->pageTextContains("Are you sure you want to delete the field {$label}");
        // Test Breadcrumbs.
        $this->assertSession()
            ->linkExists($label, 0, 'Field label is correct in the breadcrumb of the field delete page.');
        // Submit confirmation form.
        $this->submitForm([], 'Delete');
        $this->assertSession()
            ->pageTextContains("The field {$label} has been deleted from the {$bundle_label} content type.");
        // Check that the field does not appear in the overview form.
        $xpath = $this->assertSession()
            ->buildXPathQuery('//table[@id="field-overview"]//span[@class="label-field" and text()= :label]', [
            ':label' => $label,
        ]);
        $this->assertSession()
            ->elementNotExists('xpath', $xpath);
    }

}