--- /dev/null
+<?php
+
+namespace Drupal\paragraphs\Tests\Classic;
+
+use Drupal\field_ui\Tests\FieldUiTestTrait;
+use Drupal\paragraphs\Entity\ParagraphsType;
+
+/**
+ * Tests paragraphs add modes.
+ *
+ * @group paragraphs
+ */
+class ParagraphsAddModesTest extends ParagraphsTestBase {
+
+ use FieldUiTestTrait;
+
+ /**
+ * Tests that paragraphs field does not allow default values.
+ */
+ public function testNoDefaultValue() {
+ $this->loginAsAdmin();
+ $this->addParagraphedContentType('paragraphed_test', 'paragraphs_field');
+
+ // Edit the field.
+ $this->drupalGet('admin/structure/types/manage/paragraphed_test/fields');
+ $this->clickLink(t('Edit'));
+
+ // Check that the current field does not allow to add default values.
+ $this->assertText('No widget available for: paragraphs_field.');
+ $this->drupalPostForm(NULL, [], t('Save settings'));
+ $this->assertText('Saved paragraphs_field configuration.');
+ $this->assertResponse(200);
+ }
+
+ /**
+ * Tests the field creation when no paragraphs types are available.
+ */
+ public function testEmptyAllowedTypes() {
+ $this->loginAsAdmin();
+ $this->addParagraphedContentType('paragraphed_test', 'paragraphs');
+
+ // Edit the field and save when there are no paragraphs types available.
+ $this->drupalGet('admin/structure/types/manage/paragraphed_test/fields');
+ $this->clickLink(t('Edit'));
+ $this->drupalPostForm(NULL, [], t('Save settings'));
+ $this->assertText('Saved paragraphs configuration.');
+ }
+
+ /**
+ * Tests the add drop down button.
+ */
+ public function testDropDownMode() {
+ $this->loginAsAdmin();
+ // Add two paragraph types.
+ $this->addParagraphsType('btext');
+ $this->addParagraphsType('dtext');
+
+ $this->addParagraphedContentType('paragraphed_test', 'paragraphs');
+ // Enter to the field config since the weight is set through the form.
+ $this->drupalGet('admin/structure/types/manage/paragraphed_test/fields/node.paragraphed_test.paragraphs');
+ $this->drupalPostForm(NULL, [], 'Save settings');
+
+ $this->setAddMode('paragraphed_test', 'paragraphs', 'dropdown');
+
+ $this->assertAddButtons(['Add btext', 'Add dtext']);
+
+ $this->addParagraphsType('atext');
+ $this->assertAddButtons(['Add btext', 'Add dtext', 'Add atext']);
+
+ $this->setParagraphsTypeWeight('paragraphed_test', 'dtext', 2, 'paragraphs');
+ $this->assertAddButtons(['Add dtext', 'Add btext', 'Add atext']);
+
+ $this->setAllowedParagraphsTypes('paragraphed_test', ['dtext', 'atext'], TRUE, 'paragraphs');
+ $this->assertAddButtons(['Add dtext', 'Add atext']);
+
+ $this->setParagraphsTypeWeight('paragraphed_test', 'atext', 1, 'paragraphs');
+ $this->assertAddButtons(['Add atext', 'Add dtext']);
+
+ $this->setAllowedParagraphsTypes('paragraphed_test', ['atext', 'dtext', 'btext'], TRUE, 'paragraphs');
+ $this->assertAddButtons(['Add atext', 'Add dtext', 'Add btext']);
+ }
+
+ /**
+ * Tests the add select mode.
+ */
+ public function testSelectMode() {
+ $this->loginAsAdmin();
+ // Add two paragraph types.
+ $this->addParagraphsType('btext');
+ $this->addParagraphsType('dtext');
+
+ $this->addParagraphedContentType('paragraphed_test', 'paragraphs');
+ // Enter to the field config since the weight is set through the form.
+ $this->drupalGet('admin/structure/types/manage/paragraphed_test/fields/node.paragraphed_test.paragraphs');
+ $this->drupalPostForm(NULL, [], 'Save settings');
+
+ $this->setAddMode('paragraphed_test', 'paragraphs', 'select');
+
+ $this->assertSelectOptions(['btext', 'dtext'], 'paragraphs');
+
+ $this->addParagraphsType('atext');
+ $this->assertSelectOptions(['btext', 'dtext', 'atext'], 'paragraphs');
+
+ $this->setParagraphsTypeWeight('paragraphed_test', 'dtext', 2, 'paragraphs');
+ $this->assertSelectOptions(['dtext', 'btext', 'atext'], 'paragraphs');
+
+ $this->setAllowedParagraphsTypes('paragraphed_test', ['dtext', 'atext'], TRUE, 'paragraphs');
+ $this->assertSelectOptions(['dtext', 'atext'], 'paragraphs');
+
+ $this->setParagraphsTypeWeight('paragraphed_test', 'atext', 1, 'paragraphs');
+ $this->assertSelectOptions(['atext', 'dtext'], 'paragraphs');
+
+ $this->setAllowedParagraphsTypes('paragraphed_test', ['atext', 'dtext', 'btext'], TRUE, 'paragraphs');
+ $this->assertSelectOptions(['atext', 'dtext', 'btext'], 'paragraphs');
+ }
+
+ /**
+ * Asserts order and quantity of add buttons.
+ *
+ * @param array $options
+ * Array of expected add buttons in its correct order.
+ */
+ protected function assertAddButtons($options) {
+ $this->drupalGet('node/add/paragraphed_test');
+ $buttons = $this->xpath('//input[@class="field-add-more-submit button js-form-submit form-submit"]');
+ // Check if the buttons are in the same order as the given array.
+ foreach ($buttons as $key => $button) {
+ $this->assertEqual($button['value'], $options[$key]);
+ }
+ $this->assertTrue(count($buttons) == count($options), 'The amount of drop down options matches with the given array');
+ }
+
+ /**
+ * Asserts order and quantity of select add options.
+ *
+ * @param array $options
+ * Array of expected select options in its correct order.
+ * @param string $paragraphs_field
+ * Name of the paragraphs field to check.
+ */
+ protected function assertSelectOptions($options, $paragraphs_field) {
+ $this->drupalGet('node/add/paragraphed_test');
+ $buttons = $this->xpath('//*[@name="' . $paragraphs_field . '[add_more][add_more_select]"]/option');
+ // Check if the options are in the same order as the given array.
+ foreach ($buttons as $key => $button) {
+ $this->assertEqual($button['value'], $options[$key]);
+ }
+ $this->assertTrue(count($buttons) == count($options), 'The amount of select options matches with the given array');
+ $this->assertNotEqual($this->xpath('//*[@name="' . $paragraphs_field .'_add_more"]'), [], 'The add button is displayed');
+ }
+
+ /**
+ * Tests if setting for default paragraph type is working properly.
+ */
+ public function testSettingDefaultParagraphType() {
+ $this->addParagraphedContentType('paragraphed_test', 'paragraphs');
+ $this->loginAsAdmin([
+ 'administer content types',
+ 'administer node form display',
+ 'edit any paragraphed_test content'
+ ]);
+
+ // Add a Paragraphed test content.
+ $paragraphs_type_text_image = ParagraphsType::create([
+ 'id' => 'text_image',
+ 'label' => 'Text + Image',
+ ]);
+ $paragraphs_type_text = ParagraphsType::create([
+ 'id' => 'text',
+ 'label' => 'Text',
+ ]);
+ $paragraphs_type_text_image->save();
+ $paragraphs_type_text->save();
+
+ $this->setDefaultParagraphType('paragraphed_test', 'paragraphs', 'paragraphs_settings_edit', 'text_image');
+
+ // Check if default paragraph type is showing.
+ $this->drupalGet('node/add/paragraphed_test');
+ $this->assertText('Text + Image');
+ $this->removeDefaultParagraphType('paragraphed_test');
+
+ // Disable text_image as default paragraph type.
+ $this->setDefaultParagraphType('paragraphed_test', 'paragraphs', 'paragraphs_settings_edit', '_none');
+
+ // Check if is Text + Image is added as default paragraph type.
+ $this->drupalGet('node/add/paragraphed_test');
+ $this->assertText('No Paragraph added yet.');
+
+ // Check if default type is created only for new host
+ $this->setDefaultParagraphType('paragraphed_test', 'paragraphs', 'paragraphs_settings_edit', 'text_image');
+ $this->removeDefaultParagraphType('paragraphed_test');
+ $this->drupalPostForm(NULL, ['title[0][value]' => 'New Host'], 'Save and publish');
+ $this->drupalGet('node/1/edit');
+ $this->assertText('No Paragraph added yet.');
+ }
+
+ /**
+ * Tests the default paragraph type behavior for a field with a single type.
+ */
+ public function testDefaultParagraphTypeWithSingleType() {
+ $this->addParagraphedContentType('paragraphed_test', 'paragraphs');
+ $this->loginAsAdmin([
+ 'administer content types',
+ 'administer node form display',
+ 'edit any paragraphed_test content'
+ ]);
+
+ // Add a Paragraphed test content.
+ $paragraphs_type_text = ParagraphsType::create([
+ 'id' => 'text',
+ 'label' => 'Text',
+ ]);
+ $paragraphs_type_text->save();
+
+ // Check that when only one paragraph type is allowed in a content type,
+ // one instance is automatically added in the 'Add content' dialogue.
+ $this->drupalGet('node/add/paragraphed_test');
+ $this->assertNoText('No Paragraph added yet.');
+
+ // Check that no paragraph type is automatically added, if the defaut
+ // setting was set to '- None -'.
+ $this->setDefaultParagraphType('paragraphed_test', 'paragraphs', 'paragraphs_settings_edit', '_none');
+ $this->drupalGet('node/add/paragraphed_test');
+ $this->assertText('No Paragraph added yet.');
+ }
+}