--- /dev/null
+<?php
+
+namespace Drupal\views_ui\Tests;
+
+use Drupal\views\Views;
+
+/**
+ * Tests the UI of style plugins.
+ *
+ * @group views_ui
+ * @see \Drupal\views_test_data\Plugin\views\style\StyleTest.
+ */
+class StyleUITest extends UITestBase {
+
+ /**
+ * Views used by this test.
+ *
+ * @var array
+ */
+ public static $testViews = ['test_view'];
+
+ /**
+ * Tests changing the style plugin and changing some options of a style.
+ */
+ public function testStyleUI() {
+ $view_name = 'test_view';
+ $view_edit_url = "admin/structure/views/view/$view_name/edit";
+
+ $style_plugin_url = "admin/structure/views/nojs/display/$view_name/default/style";
+ $style_options_url = "admin/structure/views/nojs/display/$view_name/default/style_options";
+
+ $this->drupalGet($style_plugin_url);
+ $this->assertFieldByName('style[type]', 'default', 'The default style plugin selected in the UI should be unformatted list.');
+
+ $edit = [
+ 'style[type]' => 'test_style'
+ ];
+ $this->drupalPostForm(NULL, $edit, t('Apply'));
+ $this->assertFieldByName('style_options[test_option]', NULL, 'Make sure the custom settings form from the test plugin appears.');
+ $random_name = $this->randomMachineName();
+ $edit = [
+ 'style_options[test_option]' => $random_name
+ ];
+ $this->drupalPostForm(NULL, $edit, t('Apply'));
+ $this->drupalGet($style_options_url);
+ $this->assertFieldByName('style_options[test_option]', $random_name, 'Make sure the custom settings form field has the expected value stored.');
+
+ $this->drupalPostForm($view_edit_url, [], t('Save'));
+ $this->assertLink(t('Test style plugin'), 0, 'Make sure the test style plugin is shown in the UI');
+
+ $view = Views::getView($view_name);
+ $view->initDisplay();
+ $style = $view->display_handler->getOption('style');
+ $this->assertEqual($style['type'], 'test_style', 'Make sure that the test_style got saved as used style plugin.');
+ $this->assertEqual($style['options']['test_option'], $random_name, 'Make sure that the custom settings field got saved as expected.');
+
+ // Test that fields are working correctly in the UI for style plugins when
+ // a field row plugin is selected.
+ $this->drupalPostForm("admin/structure/views/view/$view_name/edit", [], 'Add Page');
+ $this->drupalPostForm("admin/structure/views/nojs/display/$view_name/page_1/row", ['row[type]' => 'fields'], t('Apply'));
+ // If fields are being used this text will not be shown.
+ $this->assertNoText(t('The selected style or row format does not use fields.'));
+ }
+
+}