test coverage for sorting fix

lib/apidoco/folder_parser.rb

@@ -9,20 +9,10 @@ def initialize(directory, parents: [])
     end
 
     def as_json
-      childs = children.select(&:published?).sort do |a, b|
-        if a.sort_order.class == b.sort_order.class
-          a.sort_order <=> b.sort_order
-        elsif a.sort_order.is_a?(String)
-          -1
-        else
-          1
-        end
-      end
-
       {
         is_folder: true,
         name: basename,
-        children: childs.map(&:as_json)
+        children: children.select(&:published?).yield_self(&method(:sorter)).map(&:as_json)
       }
     end
 
@@ -48,5 +38,19 @@ def published?
     def sort_order
       basename
     end
+
+    private
+
+    def sorter(files)
+      files.sort do |a, b|
+        if a.sort_order.class == b.sort_order.class
+          a.sort_order <=> b.sort_order
+        elsif a.sort_order.is_a?(String)
+          -1
+        else
+          1
+        end
+      end
+    end
   end
 end

spec/apidoco/folder_parser_spec.rb

@@ -8,9 +8,7 @@
       f.rewind
     end
   end
-  let(:directory) do
-    double(basename: 'users', children: [file])
-  end
+  let(:directory) { double(basename: 'users', children: [file]) }
   let(:folder_parser) { described_class.new(directory, parents: []) }
 
   after do
@@ -32,7 +30,34 @@
     end
 
     describe 'children' do
-      it { expect(as_json[:children].first).to include(id: 'users-createuser', 'name' => 'Create User') }
+      let(:sub_directory1) { double(basename: 'roles', children: [], directory?: true) }
+      let(:sub_directory2) { double(basename: 'departments', children: [], directory?: true) }
+      let(:file1) { file }
+      let(:file2) do
+        Tempfile.new.tap do |f|
+          f.write({ name: 'Delete User' }.to_json)
+          f.rewind
+        end
+      end
+
+      before { allow(file2).to receive(:directory?).and_return(false) }
+
+      after do
+        file2.close
+        file2.unlink
+      end
+
+      let(:directory) do
+        double(basename: 'users', children: [file1, file2, sub_directory1, sub_directory2])
+      end
+
+      it 'sorts the files and folders based on the sort order' do
+        expect(as_json).to include(name: 'Users')
+        expect(as_json[:children][0][:name]).to eq('Departments')
+        expect(as_json[:children][1][:name]).to eq('Roles')
+        expect(as_json[:children][2]['name']).to eq('Create User')
+        expect(as_json[:children][3]['name']).to eq('Delete User')
+      end
     end
   end