Implement nested lists

test/list_test.rb

@@ -144,4 +144,98 @@ class ListTest < Minitest::Test
 
     refute xml_files.key?("word/numbering.xml"), "numbering.xml should not exist without lists"
   end
+
+  #
+  # Nested List Tests
+  #
+
+  def test_nested_bullet_list
+    xml = create_doc_and_read_xml do |doc|
+      doc.ul do
+        doc.li "Parent item"
+        doc.li "Item with nested list" do
+          doc.ul do
+            doc.li "Nested item 1"
+            doc.li "Nested item 2"
+          end
+        end
+        doc.li "Another parent item"
+      end
+    end
+
+    assert_includes xml, "Parent item"
+    assert_includes xml, "Nested item 1"
+    assert_includes xml, "Nested item 2"
+    assert_includes xml, "Another parent item"
+    # Check for level 0 and level 1
+    assert_includes xml, 'w:ilvl w:val="0"'
+    assert_includes xml, 'w:ilvl w:val="1"'
+  end
+
+  def test_nested_numbered_list
+    xml = create_doc_and_read_xml do |doc|
+      doc.ol do
+        doc.li "First"
+        doc.li "Second with nested" do
+          doc.ol do
+            doc.li "Nested 1"
+            doc.li "Nested 2"
+          end
+        end
+        doc.li "Third"
+      end
+    end
+
+    assert_includes xml, "First"
+    assert_includes xml, "Nested 1"
+    assert_includes xml, "Third"
+    assert_includes xml, 'w:ilvl w:val="0"'
+    assert_includes xml, 'w:ilvl w:val="1"'
+  end
+
+  def test_mixed_nested_list
+    xml_files = create_doc_and_read_all_xml do |doc|
+      doc.ol do
+        doc.li "Numbered item 1"
+        doc.li "Numbered item 2" do
+          doc.ul do
+            doc.li "Bullet inside numbered"
+          end
+        end
+        doc.li "Numbered item 3"
+      end
+    end
+
+    doc_xml = xml_files["word/document.xml"]
+    assert_includes doc_xml, "Numbered item 1"
+    assert_includes doc_xml, "Bullet inside numbered"
+    assert_includes doc_xml, "Numbered item 3"
+    assert_includes doc_xml, 'w:ilvl w:val="0"'
+    assert_includes doc_xml, 'w:ilvl w:val="1"'
+  end
+
+  def test_deeply_nested_list
+    xml = create_doc_and_read_xml do |doc|
+      doc.ul do
+        doc.li "Level 0"
+        doc.li "Has nested" do
+          doc.ul do
+            doc.li "Level 1"
+            doc.li "Has deeper nested" do
+              doc.ul do
+                doc.li "Level 2"
+              end
+            end
+          end
+        end
+      end
+    end
+
+    assert_includes xml, "Level 0"
+    assert_includes xml, "Level 1"
+    assert_includes xml, "Level 2"
+    assert_includes xml, 'w:ilvl w:val="0"'
+    assert_includes xml, 'w:ilvl w:val="1"'
+    assert_includes xml, 'w:ilvl w:val="2"'
+  end
 end