diff --git a/apps/comments/js/search.js b/apps/comments/js/search.js
index 11a965945802e8cf9d8188022607beaa2e957def..8e0a35ff6edd9174c33c3b5c04c21d32c9bb9dc1 100644
Binary files a/apps/comments/js/search.js and b/apps/comments/js/search.js differ
diff --git a/tests/acceptance/config/behat.yml b/tests/acceptance/config/behat.yml
index 5149180d9bd93ff654b6cf5353814da5d22d16af..acb404aae26c83cddc426840414584f73eb3335a 100644
--- a/tests/acceptance/config/behat.yml
+++ b/tests/acceptance/config/behat.yml
@@ -20,6 +20,7 @@ default:
         - LoginPageContext
         - NotificationContext
         - PublicShareContext
+        - SearchContext
         - SettingsContext
         - SettingsMenuContext
         - ThemingAppContext
@@ -47,6 +48,7 @@ default:
         - LoginPageContext
         - NotificationContext
         - PublicShareContext
+        - SearchContext
         - SettingsContext
         - SettingsMenuContext
         - ThemingAppContext
diff --git a/tests/acceptance/features/app-comments.feature b/tests/acceptance/features/app-comments.feature
index 31e902f01ce8127d49cbbe8204f10e3e9da375f3..ee60ece1cec124ff18cce3cc2075e7c3e2684c70 100644
--- a/tests/acceptance/features/app-comments.feature
+++ b/tests/acceptance/features/app-comments.feature
@@ -216,3 +216,110 @@ Feature: app-comments
     And I open the unread comments for "Child folder"
     And I see that the details view is open
     And I see a comment with "Hello world" as message
+
+
+
+  Scenario: search 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
+    And I create a new comment with "Hello world" as message
+    And I see a comment with "Hello world" as message
+    When I search for "hello"
+    # Search results for comments also include the user that wrote the comment.
+    Then I see that the search result 1 is "user0Hello world"
+    And I see that the search result 1 was found in "welcome.txt"
+
+  Scenario: search a comment in a child folder
+    Given I am logged in
+    And I create a new folder named "Folder"
+    And I enter in the folder named "Folder"
+    And I create a new folder named "Child folder"
+    And I open the details view for "Child folder"
+    And I open the "Comments" tab in the details view
+    And I create a new comment with "Hello world" as message
+    And I see a comment with "Hello world" as message
+    # The Files app is open again to reload the file list
+    And I open the Files app
+    When I search for "hello"
+    # Search results for comments also include the user that wrote the comment.
+    Then I see that the search result 1 is "user0Hello world"
+    And I see that the search result 1 was found in "Folder/Child folder"
+
+  Scenario: search a comment by a another user
+    Given I act as John
+    And I am logged in as the admin
+    And I act as Jane
+    And I am logged in
+    And I act as John
+    And I rename "welcome.txt" to "shared.txt"
+    And I share "shared.txt" with "user0"
+    And I see that the file is shared with "user0"
+    And I act as Jane
+    # The Files app is open again to reload the file list
+    And I open the Files app
+    And I open the details view for "shared.txt"
+    And I open the "Comments" tab in the details view
+    And I create a new comment with "Hello world" as message
+    And I see a comment with "Hello world" as message
+    When I act as John
+    And I search for "hello"
+    # Search results for comments also include the user that wrote the comment.
+    Then I see that the search result 1 is "user0Hello world"
+    And I see that the search result 1 was found in "shared.txt"
+
+  Scenario: open a search result for a comment in a file
+    Given I am logged in
+    And I open the details view for "welcome.txt"
+    And I open the "Comments" tab in the details view
+    And I create a new comment with "Hello world" as message
+    And I see a comment with "Hello world" as message
+    # Force the details view to change to a different file before closing it
+    And I create a new folder named "Folder"
+    And I close the details view
+    When I search for "hello"
+    And I open the search result 1
+    Then I see that the details view is open
+    And I see that the file name shown in the details view is "welcome.txt"
+    And I see a comment with "Hello world" as message
+    And I see that the file list is currently in "Home"
+    And I see that the file list contains a file named "welcome.txt"
+
+  Scenario: open a search result for a comment in a folder named like its child folder
+    Given I am logged in
+    And I create a new folder named "Folder"
+    And I open the details view for "Folder"
+    And I open the "Comments" tab in the details view
+    And I create a new comment with "Hello world" as message
+    And I see a comment with "Hello world" as message
+    And I enter in the folder named "Folder"
+    And I create a new folder named "Folder"
+    # The Files app is open again to reload the file list
+    And I open the Files app
+    When I search for "hello"
+    And I open the search result 1
+    Then I see that the details view is open
+    And I see that the file name shown in the details view is "Folder"
+    And I see a comment with "Hello world" as message
+    And I see that the file list is currently in "Home"
+    And I see that the file list contains a file named "welcome.txt"
+    And I see that the file list contains a file named "Folder"
+
+  Scenario: open a search result for a comment in a child folder
+    Given I am logged in
+    And I create a new folder named "Folder"
+    And I enter in the folder named "Folder"
+    And I create a new folder named "Child folder"
+    And I open the details view for "Child folder"
+    And I open the "Comments" tab in the details view
+    And I create a new comment with "Hello world" as message
+    And I see a comment with "Hello world" as message
+    # The Files app is open again to reload the file list
+    And I open the Files app
+    When I search for "hello"
+    And I open the search result 1
+    Then I see that the details view is open
+    And I see that the file name shown in the details view is "Child folder"
+    And I see a comment with "Hello world" as message
+    And I see that the file list is currently in "Home/Folder"
+    And I see that the file list contains a file named "Child folder"
diff --git a/tests/acceptance/features/bootstrap/FileListContext.php b/tests/acceptance/features/bootstrap/FileListContext.php
index 90d2aeebdc55c7a9a8ac05ebbf1137e911f57a91..ee35de40c5e2715d8baef1b0bb514bac359fa076 100644
--- a/tests/acceptance/features/bootstrap/FileListContext.php
+++ b/tests/acceptance/features/bootstrap/FileListContext.php
@@ -87,6 +87,15 @@ class FileListContext implements Context, ActorAwareInterface {
 				describedAs("Main working icon in file list");
 	}
 
+	/**
+	 * @return Locator
+	 */
+	public static function breadcrumbs($fileListAncestor) {
+		return Locator::forThe()->css("#controls .breadcrumb")->
+				descendantOf($fileListAncestor)->
+				describedAs("Breadcrumbs in file list");
+	}
+
 	/**
 	 * @return Locator
 	 */
@@ -375,6 +384,16 @@ class FileListContext implements Context, ActorAwareInterface {
 		}
 	}
 
+	/**
+	 * @Then I see that the file list is currently in :path
+	 */
+	public function iSeeThatTheFileListIsCurrentlyIn($path) {
+		// The text of the breadcrumbs is the text of all the crumbs separated
+		// by white spaces.
+		PHPUnit_Framework_Assert::assertEquals(
+			str_replace('/', ' ', $path), $this->actor->find(self::breadcrumbs($this->fileListAncestor), 10)->getText());
+	}
+
 	/**
 	 * @Then I see that it is not possible to create new files
 	 */
diff --git a/tests/acceptance/features/bootstrap/SearchContext.php b/tests/acceptance/features/bootstrap/SearchContext.php
new file mode 100644
index 0000000000000000000000000000000000000000..d2d6b7080675d266df4c169b0a0c6fa6714ee59b
--- /dev/null
+++ b/tests/acceptance/features/bootstrap/SearchContext.php
@@ -0,0 +1,115 @@
+<?php
+
+/**
+ *
+ * @copyright Copyright (c) 2018, Daniel Calviño Sánchez (danxuliu@gmail.com)
+ *
+ * @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 SearchContext implements Context, ActorAwareInterface {
+
+	use ActorAware;
+
+	/**
+	 * @return Locator
+	 */
+	public static function searchBoxInput() {
+		return Locator::forThe()->css("#header .searchbox input")->
+				describedAs("Search box input in the header");
+	}
+
+	/**
+	 * @return Locator
+	 */
+	public static function searchResults() {
+		return Locator::forThe()->css("#searchresults")->
+				describedAs("Search results");
+	}
+
+	/**
+	 * @return Locator
+	 */
+	public static function searchResult($number) {
+		return Locator::forThe()->xpath("//*[contains(concat(' ', normalize-space(@class), ' '), ' result ')][$number]")->
+				descendantOf(self::searchResults())->
+				describedAs("Search result $number");
+	}
+
+	/**
+	 * @return Locator
+	 */
+	public static function searchResultName($number) {
+		return Locator::forThe()->css(".name")->
+				descendantOf(self::searchResult($number))->
+				describedAs("Name for search result $number");
+	}
+
+	/**
+	 * @return Locator
+	 */
+	public static function searchResultPath($number) {
+		// Currently search results for comments misuse the ".path" class to
+		// dim the user name, so "div.path" needs to be used to find the proper
+		// path element.
+		return Locator::forThe()->css("div.path")->
+				descendantOf(self::searchResult($number))->
+				describedAs("Path for search result $number");
+	}
+
+	/**
+	 * @return Locator
+	 */
+	public static function searchResultLink($number) {
+		return Locator::forThe()->css(".link")->
+				descendantOf(self::searchResult($number))->
+				describedAs("Link for search result $number");
+	}
+
+	/**
+	 * @When I search for :query
+	 */
+	public function iSearchFor($query) {
+		$this->actor->find(self::searchBoxInput(), 10)->setValue($query . "\r");
+	}
+
+	/**
+	 * @When I open the search result :number
+	 */
+	public function iOpenTheSearchResult($number) {
+		$this->actor->find(self::searchResultLink($number), 10)->click();
+	}
+
+	/**
+	 * @Then I see that the search result :number is :name
+	 */
+	public function iSeeThatTheSearchResultIs($number, $name) {
+		PHPUnit_Framework_Assert::assertEquals(
+				$name, $this->actor->find(self::searchResultName($number), 10)->getText());
+	}
+
+	/**
+	 * @Then I see that the search result :number was found in :path
+	 */
+	public function iSeeThatTheSearchResultWasFoundIn($number, $path) {
+		PHPUnit_Framework_Assert::assertEquals(
+				$path, $this->actor->find(self::searchResultPath($number), 10)->getText());
+	}
+
+}