benchmark

test/yelp-benchmark.rb

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+require "rubygems"
+require "nokogiri"
+require "hpricot"
+require "dexterous"
+require "benchmark"
+require "pp"
+
+def noko
+  parse Nokogiri.Hpricot(File.open("yelp.html"))
+end
+
+def hpri
+  parse Hpricot(File.open("yelp.html"))  
+end
+
+def parse(doc)
+  out = {}
+  out["name"] = (doc / "h1").first.inner_text
+  out["phone"] = (doc / "#bizPhone").first.inner_text
+  out["address"] = (doc / "address").first.inner_text
+  out["reviews"] = (doc / ".nonfavoriteReview").map do |node|
+    review = {}
+    review["date"] = (node / ".ieSucks .smaller").first.inner_text
+    review["user_name"] = (node / ".reviewer_info a").first.inner_text
+    review["comment"] = (node / ".review_comment").first.inner_text
+    review
+  end
+end
+
+def dext
+  dex = Dexterous.new({
+    "name" => "h1",
+    "phone" => "#bizPhone",
+    "address" => "address",
+    "reviews(.nonfavoriteReview)" => [
+      {
+        "date" => ".ieSucks .smaller",
+        "user_name" => ".reviewer_info a",
+        "comment" => ".review_comment"
+      }
+    ]
+  })
+  dex.parse(:file => "yelp.html")
+end
+
+Benchmark.bm do |x|
+  x.report("nokogiri: ")  { 3.times { noko } }
+  x.report("hpricot: ")   { 3.times { hpri } }
+  x.report("dexterous: ") { 3.times { dext } }
+end
+