MDL-51179 Atto: Add a behat test for autosave

lib/editor/atto/tests/behat/autosave.feature

+@editor @editor_atto @atto @_file_upload
+Feature: Atto Autosave
+  To reduce frustration, atto should save drafts of my work.
+
+  Background:
+    Given the following "courses" exist:
+      | fullname | shortname | category | groupmode |
+      | Course 1 | C1 | 0 | 1 |
+    And the following "users" exist:
+      | username | firstname | lastname | email |
+      | teacher1 | Teacher | 1 | teacher1@example.com |
+      | teacher2 | Teacher | 2 | teacher2@example.com |
+    And the following "course enrolments" exist:
+      | user | course | role |
+      | teacher1 | C1 | editingteacher |
+      | teacher2 | C1 | editingteacher |
+    And I log in as "admin"
+    And I navigate to "Atto toolbar settings" node in "Site administration > Plugins > Text editors > Atto HTML editor"
+    And I set the field with xpath "//input[@id='id_s_editor_atto_autosavefrequencyv']" to "3"
+    And I set the field with xpath "//select[@id='id_s_editor_atto_autosavefrequencyu']" to "seconds"
+    And I click on "Save changes" "button"
+    And I am on homepage
+    And I follow "Course 1"
+    And I navigate to "Edit settings" node in "Course administration"
+    And I set the field with xpath "//select[@name='summary_editor[format]']" to "1"
+    And I click on "Save changes" "button"
+    And I log out
+
+  @javascript
+  Scenario: Restore a draft
+    Given I log in as "teacher1"
+    And I follow "Course 1"
+    And I navigate to "Edit settings" node in "Course administration"
+    And I set the field "Course summary" to "This is my draft"
+    # Wait for the autosave
+    And I wait "5" seconds
+    And I log out
+    When I log in as "teacher1"
+    And I follow "Course 1"
+    And I navigate to "Edit settings" node in "Course administration"
+    # Wait for the autorestore
+    And I wait "2" seconds
+    Then I should see "This is my draft"
+
+  @javascript
+  Scenario: Do not restore a draft if files have been modified
+    Given I log in as "teacher1"
+    And I follow "Course 1"
+    And I navigate to "Edit settings" node in "Course administration"
+    And I set the field "Course summary" to "This is my draft"
+    # Wait for the autosave
+    And I wait "5" seconds
+    And I log out
+    And I log in as "teacher2"
+    And I navigate to "My private files" node in "My profile"
+    And I upload "lib/editor/atto/tests/fixtures/moodle-logo.png" file to "Files" filemanager
+    And I click on "Save changes" "button"
+    And I am on homepage
+    And I follow "Course 1"
+    And I navigate to "Edit settings" node in "Course administration"
+    And I set the field "Course summary" to "<p>Image test</p>"
+    And I select the text in the "Course summary" Atto editor
+    And I click on "Image" "button"
+    And I click on "Browse repositories..." "button"
+    And I click on "Private files" "link"
+    And I click on "moodle-logo.png" "link"
+    And I click on "Select this file" "button"
+    And I set the field "Describe this image" to "It's the Moodle"
+    # Wait for the page to "settle".
+    And I wait until the page is ready
+    And I click on "Save image" "button"
+    And I click on "Save changes" "button"
+    And I log out
+    When I log in as "teacher1"
+    And I follow "Course 1"
+    And I navigate to "Edit settings" node in "Course administration"
+    Then I should not see "This is my draft"