Module: Performance::DataGenerator

Defined in:
lib/tasks/performance_report.rb

Constant Summary collapse

DEFAULT_ITEMS = 
Performance::DEFAULT_ITEMS

Class Method Summary collapse

Class Method Details

.build_xml_element(items, depth, prefix, with_attrs, ns_decl) ⇒ Object 



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# File 'lib/tasks/performance_report.rb', line 68

def build_xml_element(items, depth, prefix, with_attrs, ns_decl)
  attrs = with_attrs ? " id=\"#{rand(1000)}\" status=\"active\"" : ""
  ns_attr = ns_decl.empty? ? "" : " #{ns_decl}"

  if depth <= 1
    children = Array.new(items) do |i|
      inner_attrs = with_attrs ? " index=\"#{i}\"" : ""
      "<#{prefix}item#{inner_attrs}>Item #{i} content with some text</#{prefix}item>"
    end.join
    "<#{prefix}root#{ns_attr}#{attrs}>#{children}</#{prefix}root>"
  else
    child = build_xml_element(items / 2, depth - 1, prefix, with_attrs,
                              "")
    "<#{prefix}root#{ns_attr}#{attrs}>#{child}</#{prefix}root>"
  end
end

.generate_html(items: DEFAULT_ITEMS, with_scripts: false, with_tables: false) ⇒ Object 



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# File 'lib/tasks/performance_report.rb', line 85

def generate_html(items: DEFAULT_ITEMS, with_scripts: false,
                  with_tables: false)
  scripts = if with_scripts
              <<~HTML
                <script type="text/javascript">
                  function test() { return true; }
                </script>
                <style>
                  body { margin: 0; }
                </style>
              HTML
            else
              ""
            end

  tables = if with_tables
             rows = Array.new(items) do |i|
               "<tr><td>Cell #{i}A</td><td>Cell #{i}B</td></tr>"
             end.join
             "<table>#{rows}</table>"
           else
             ""
           end

  list_items = Array.new(items) do |i|
    "<li class=\"item-#{i}\">List item #{i} with bold text</li>"
  end.join("\n              ")

  nav_count = [(items / 5), 2].max
  nav_items = items.times.first(nav_count).map do |i|
    "<li class=\"nav-#{i}\">Nav #{i}</li>"
  end.join("\n                ")

  <<~HTML
    <!DOCTYPE html>
    <html lang="en">
    <head>
      <meta charset="UTF-8">
      <title>Benchmark Document</title>
      #{scripts}
    </head>
    <body>
      <header>
        <h1>Benchmark Test Document</h1>
        <nav>
          <ul>
          #{nav_items}
          </ul>
        </nav>
      </header>
      <main>
        <section id="content">
          <p>This is a paragraph with emphasized and strong text.</p>
          <ul>
          #{list_items}
          </ul>
          #{tables}
        </section>
      </main>
      <footer>
        <p>Copyright 2024</p>
      </footer>
    </body>
    </html>
  HTML
end

.generate_json(items: DEFAULT_ITEMS) ⇒ Object 



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# File 'lib/tasks/performance_report.rb', line 152

def generate_json(items: DEFAULT_ITEMS)
  data = {
    metadata: { version: "1.0", generated: Time.now.iso8601 },
    items: Array.new(items) do |i|
      {
        id: i,
        name: "Item #{i}",
        value: rand * 1000,
        tags: ["tag1", "tag2", "tag#{i % 10}"],
        nested: {
          level1: { level2: { data: "deeply nested value #{i}" } },
        },
      }
    end,
  }
  JSON.generate(data)
end

.generate_large_xml(items: 500) ⇒ Object 



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# File 'lib/tasks/performance_report.rb', line 174

def generate_large_xml(items: 500)
  generate_xml(items: items, depth: 3, with_namespaces: true,
               with_attributes: true)
end

.generate_xml(items: DEFAULT_ITEMS, depth: 1, with_namespaces: false, with_attributes: true) ⇒ Object 



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# File 'lib/tasks/performance_report.rb', line 60

def generate_xml(items: DEFAULT_ITEMS, depth: 1, with_namespaces: false,
                 with_attributes: true)
  ns = with_namespaces ? 'xmlns:ns="http://example.org"' : ""
  prefix = with_namespaces ? "ns:" : ""

  build_xml_element(items, depth, prefix, with_attributes, ns)
end

.generate_yaml(items: DEFAULT_ITEMS) ⇒ Object 



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# File 'lib/tasks/performance_report.rb', line 170

def generate_yaml(items: DEFAULT_ITEMS)
  JSON.parse(generate_json(items: items)).to_yaml
end