add acceptance tests

Signed-off-by: Arthur Schiwon <blizzz@arthur-schiwon.de>

tests/acceptance/config/behat.yml

@@ -10,6 +10,7 @@ default:
         - NextcloudTestServerContext
 
         - AppNavigationContext
+        - CommentsAppContext
         - FeatureContext
         - FilesAppContext
         - FilesSharingAppContext

tests/acceptance/features/app-comments.feature

@@ -0,0 +1,8 @@
+Feature: app-comments
+
+  Scenario: Writing a comment
+    Given I am logged in
+    And I open the details view for "welcome.txt"
+    And I open the "Comments" tab in the details view
+    When I create a new comment with "Hello world" as message
+    Then I see that a comment was added

tests/acceptance/features/bootstrap/CommentsAppContext.php

@@ -0,0 +1,82 @@
+<?php
+/**
+ * @copyright Copyright (c) 2017 Arthur Schiwon <blizzz@arthur-schiwon.de>
+ *
+ * @author Arthur Schiwon <blizzz@arthur-schiwon.de>
+ *
+ * @license GNU AGPL version 3 or any later version
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+use Behat\Behat\Context\Context;
+
+class CommentsAppContext implements Context, ActorAwareInterface {
+	use ActorAware;
+
+
+	/**
+	 * @When /^I create a new comment with "([^"]*)" as message$/
+	 */
+	public function iCreateANewCommentWithAsMessage($commentText) {
+		$this->actor->find(self::newCommentField(), 2)->setValue($commentText);
+		$this->actor->find(self::submitNewCommentButton(), 2)->click();
+	}
+
+	/**
+	 * @Then /^I see that a comment was added$/
+	 */
+	public function iSeeThatACommentWasAdded() {
+		$self = $this;
+
+		$result = Utils::waitFor(function () use ($self) {
+			return $self->isCommentAdded();
+		}, 5, 0.5);
+
+		PHPUnit_Framework_Assert::assertTrue($result);
+	}
+
+	public function isCommentAdded() {
+		try {
+				$locator = self::commentFields();
+			$comments = $this->actor->getSession()->getPage()->findAll($locator->getSelector(), $locator->getLocator());
+			PHPUnit_Framework_Assert::assertSame(1, count($comments));
+		} catch (PHPUnit_Framework_ExpectationFailedException $e) {
+			return false;
+		}
+		return true;
+	}
+
+	/**
+	 * @return Locator
+	 */
+	public static function newCommentField() {
+		return Locator::forThe()->css("div.newCommentRow .message")->descendantOf(FilesAppContext::currentSectionDetailsView())->
+		describedAs("New comment field in the details view in Files app");
+	}
+
+	public static function commentFields() {
+		return Locator::forThe()->css(".comments .comment .message")->descendantOf(FilesAppContext::currentSectionDetailsView())->
+		describedAs("Comment fields in the details view in Files app");
+	}
+
+	/**
+	 * @return Locator
+	 */
+	public static function submitNewCommentButton() {
+		return Locator::forThe()->css("div.newCommentRow .submit")->descendantOf(FilesAppContext::currentSectionDetailsView())->
+		describedAs("Submit new comment button in the details view in Files app");
+	}
+}