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79 lines
2.5 KiB
Ruby
79 lines
2.5 KiB
Ruby
# This profiler run simulates Shopify.
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# We are looking in the tests directory for liquid files and render them within the designated layout file.
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# We will also export a substantial database to liquid which the templates can render values of.
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# All this is to make the benchmark as non syntetic as possible. All templates and tests are lifted from
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# direct real-world usage and the profiler measures code that looks very similar to the way it looks in
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# Shopify which is likely the biggest user of liquid in the world which something to the tune of several
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# million Template#render calls a day.
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require File.dirname(__FILE__) + '/shopify/liquid'
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require File.dirname(__FILE__) + '/shopify/database.rb'
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class ThemeRunner
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class FileSystem
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def initialize(path)
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@path = path
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end
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# Called by Liquid to retrieve a template file
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def read_template_file(template_path, context)
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File.read(@path + '/' + template_path + '.liquid')
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end
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end
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# Load all templates into memory, do this now so that
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# we don't profile IO.
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def initialize
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@tests = Dir[File.dirname(__FILE__) + '/tests/**/*.liquid'].collect do |test|
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next if File.basename(test) == 'theme.liquid'
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theme_path = File.dirname(test) + '/theme.liquid'
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[File.read(test), (File.file?(theme_path) ? File.read(theme_path) : nil), test]
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end.compact
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end
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def compile
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# Dup assigns because will make some changes to them
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@tests.each do |liquid, layout, template_name|
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tmpl = Liquid::Template.new
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tmpl.parse(liquid)
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tmpl = Liquid::Template.new
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tmpl.parse(layout)
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end
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end
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def run
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# Dup assigns because will make some changes to them
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assigns = Database.tables.dup
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@tests.each do |liquid, layout, template_name|
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# Compute page_tempalte outside of profiler run, uninteresting to profiler
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page_template = File.basename(template_name, File.extname(template_name))
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compile_and_render(liquid, layout, assigns, page_template, template_name)
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end
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end
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def compile_and_render(template, layout, assigns, page_template, template_file)
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tmpl = Liquid::Template.new
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tmpl.assigns['page_title'] = 'Page title'
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tmpl.assigns['template'] = page_template
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tmpl.registers[:file_system] = ThemeRunner::FileSystem.new(File.dirname(template_file))
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content_for_layout = tmpl.parse(template).render!(assigns)
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if layout
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assigns['content_for_layout'] = content_for_layout
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tmpl.parse(layout).render!(assigns)
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else
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content_for_layout
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end
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end
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end
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