MDL-45366 behat: automate MDLQA-2425

It covers all the original cases and more:
- chapters up and down.
- subchapters up and down within chapter and out from chapter.
- 2nd up and before last down behaviors.

mod/book/tests/behat/reorganize_chapters.feature

@@ -0,0 +1,100 @@
+@mod @mod_book
+Feature: In a book, chapters and subchapters can be rearranged
+  In order to rearrange chapters and subchapters
+  As a teacher
+  I need to move chapters and subchapters up and down.
+
+  Background:
+    Given the following "users" exist:
+      | username | firstname | lastname | email |
+      | teacher1 | Teacher | 1 | teacher1@example.com |
+    And the following "courses" exist:
+      | fullname | shortname | format |
+      | Course 1 | C1 | topics |
+    And the following "course enrolments" exist:
+      | user | course | role |
+      | teacher1 | C1 | editingteacher |
+    And I log in as "teacher1"
+    And I am on "Course 1" course homepage with editing mode on
+    And I add a "Book" to section "1" and I fill the form with:
+      | Name | Test book |
+      | Description | A book about rearrangements! |
+    And I follow "Test book"
+    And I should see "Add new chapter"
+    And I set the following fields to these values:
+      | Chapter title | Originally first chapter |
+      | Content | #1 chapter content |
+    And I press "Save changes"
+    And I click on "a[href*='pagenum=1']" "css_element"
+    And I set the following fields to these values:
+      | Chapter title | A great second chapter |
+      | Content | #2 chapter content |
+    And I press "Save changes"
+    And I click on "a[href*='pagenum=2']" "css_element"
+    And I set the following fields to these values:
+      | Chapter title | Second chapter, subchapter 1 |
+      | Content | #21 subchapter content |
+      | Subchapter | 1 |
+    And I press "Save changes"
+    And I click on "a[href*='pagenum=3']" "css_element"
+    And I set the following fields to these values:
+      | Chapter title | Second chapter, subchapter 2 |
+      | Content | #22 subchapter content |
+      | Subchapter | 1 |
+    And I press "Save changes"
+    And I click on "a[href*='pagenum=4']" "css_element"
+    And I set the following fields to these values:
+      | Chapter title | There aren't 2 without 3 |
+      | Content | #3 subchapter content |
+      | Subchapter | 0 |
+    And I press "Save changes"
+
+  Scenario: Moving chapters down rearranges them properly
+    Given I click on "Move chapter down \"1. Originally first chapter\"" "link"
+    When I follow "Test book"
+    Then I should see "1. A great second chapter"
+    And I should see "#2 chapter content"
+    And I should see "1.1. Second chapter, subchapter 1"
+    And I should see "1.2. Second chapter, subchapter 2"
+    And I should see "2. Originally first chapter"
+    And I should see "3. There aren't 2 without 3"
+
+  Scenario: Moving chapters up rearranges them properly
+    Given I click on "Move chapter up \"3. There aren't 2 without 3\"" "link"
+    When I follow "Test book"
+    Then I should see "1. Originally first chapter"
+    And I should see "#1 chapter content"
+    And I should see "2. There aren't 2 without 3"
+    And I should see "3. A great second chapter"
+    And I should see "3.1. Second chapter, subchapter 1"
+    And I should see "3.2. Second chapter, subchapter 2"
+
+  Scenario: Moving subchapters down within chapter rearranges them properly
+    Given I click on "Move chapter down \"2.1. Second chapter, subchapter 1\"" "link"
+    When I follow "Test book"
+    Then I should see "2.1. Second chapter, subchapter 2"
+    And I should see "2.2. Second chapter, subchapter 1"
+
+  Scenario: Moving subchapters down out of chapter rearranges them properly
+    Given I click on "Move chapter down \"2.2. Second chapter, subchapter 2\"" "link"
+    When I follow "Test book"
+    Then I should see "3.1. Second chapter, subchapter 2"
+    And I click on "Move chapter down \"3. There aren't 2 without 3\"" "link"
+    And I should not see "4. There aren't 2 without 3"
+    And I should see "3. There aren't 2 without 3"
+    And I should see "3.1. Second chapter, subchapter 2"
+
+  Scenario: Moving subchapters up within chapter rearranges them properly
+    Given I click on "Move chapter up \"2.2. Second chapter, subchapter 2\"" "link"
+    When I follow "Test book"
+    Then I should see "2.1. Second chapter, subchapter 2"
+    And I should see "2.2. Second chapter, subchapter 1"
+
+  Scenario: Moving subchapters up out of chapter rearranges them properly
+    Given I click on "Move chapter up \"2.1. Second chapter, subchapter 1\"" "link"
+    When I follow "Test book"
+    Then I should see "1.1. Second chapter, subchapter 1"
+    And I click on "Move chapter up \"1.1. Second chapter, subchapter 1\"" "link"
+    And I should not see "1.1. Second chapter, subchapter 1"
+    And I should see "1. Second chapter, subchapter 1"
+    And I should see "2. Originally first chapter"