tests

git-svn-id: svn+ssh://rubyforge.org/var/svn/mongrel/trunk@843 19e92222-5c0b-0410-8929-a290d50e31e9

2 files changed, 263 insertions, 0 deletions

diff --git a/projects/mongrel_experimental/Manifest b/projects/mongrel_experimental/Manifest
index 942f019..43bfdff 100644
--- a/projects/mongrel_experimental/Manifest
+++ b/projects/mongrel_experimental/Manifest
@@ -14,3 +14,4 @@ lib/mongrel_experimental.rb
 LICENSE
 Manifest
 README
+test/test_uriclassifier.rb
diff --git a/projects/mongrel_experimental/test/test_uriclassifier.rb b/projects/mongrel_experimental/test/test_uriclassifier.rb
new file mode 100644
index 0000000..b83eac4
--- /dev/null
+++ b/projects/mongrel_experimental/test/test_uriclassifier.rb
@@ -0,0 +1,262 @@
+# Copyright (c) 2005 Zed A. Shaw 
+# You can redistribute it and/or modify it under the same terms as Ruby.
+#
+# Additional work donated by contributors.  See http://mongrel.rubyforge.org/attributions.html 
+# for more information.
+
+require 'lib/uri_classifier'
+require 'test/unit'
+
+include Mongrel
+
+class URIClassifierTest < Test::Unit::TestCase
+
+  def test_uri_finding
+    uri_classifier = URIClassifier.new
+    uri_classifier.register("/test", 1)
+    
+    script_name, path_info, value = uri_classifier.resolve("/test")
+    assert_equal 1, value
+    assert_equal "/test", script_name
+  end
+  
+  def test_root_handler_only
+    uri_classifier = URIClassifier.new
+    uri_classifier.register("/", 1)
+    
+    script_name, path_info, value = uri_classifier.resolve("/test")
+    assert_equal 1, value
+    assert_equal "/", script_name 
+    assert_equal "/test", path_info
+  end
+
+  def test_uri_prefix_ops
+    test = "/pre/fix/test"
+    prefix = "/pre"
+
+    uri_classifier = URIClassifier.new
+    uri_classifier.register(prefix,1)
+
+    script_name, path_info, value = uri_classifier.resolve(prefix)
+    script_name, path_info, value = uri_classifier.resolve(test)
+    assert_equal 1, value
+    assert_equal prefix, script_name
+    assert_equal test[script_name.length .. -1], path_info
+
+    assert uri_classifier.inspect
+    assert_equal prefix, uri_classifier.uris[0]
+  end
+
+  def test_not_finding
+    test = "/cant/find/me"
+    uri_classifier = URIClassifier.new
+    uri_classifier.register(test, 1)
+
+    script_name, path_info, value = uri_classifier.resolve("/nope/not/here")
+    assert_nil script_name
+    assert_nil path_info
+    assert_nil value
+  end
+
+  def test_exceptions
+    uri_classifier = URIClassifier.new
+
+    uri_classifier.register("/test", 1)
+    
+    failed = false
+    begin 
+      uri_classifier.register("/test", 1)
+    rescue => e
+      failed = true
+    end
+
+    assert failed
+
+    failed = false
+    begin
+      uri_classifier.register("", 1)
+    rescue => e
+      failed = true
+    end
+
+    assert failed
+  end
+
+
+  def test_register_unregister
+    uri_classifier = URIClassifier.new
+    
+    100.times do
+      uri_classifier.register("/stuff", 1)
+      value = uri_classifier.unregister("/stuff")
+      assert_equal 1, value
+    end
+
+    uri_classifier.register("/things",1)
+    script_name, path_info, value = uri_classifier.resolve("/things")
+    assert_equal 1, value
+
+    uri_classifier.unregister("/things")
+    script_name, path_info, value = uri_classifier.resolve("/things")
+    assert_nil value
+
+  end
+
+
+  def test_uri_branching
+    uri_classifier = URIClassifier.new
+    uri_classifier.register("/test", 1)
+    uri_classifier.register("/test/this",2)
+  
+    script_name, path_info, handler = uri_classifier.resolve("/test")
+    script_name, path_info, handler = uri_classifier.resolve("/test/that")
+    assert_equal "/test", script_name, "failed to properly find script off branch portion of uri"
+    assert_equal "/that", path_info
+    assert_equal 1, handler, "wrong result for branching uri"
+  end
+
+  def test_all_prefixing
+    tests = ["/test","/test/that","/test/this"]
+    uri = "/test/this/that"
+    uri_classifier = URIClassifier.new
+    
+    current = ""
+    uri.each_byte do |c|
+      current << c.chr
+      uri_classifier.register(current, c)
+    end
+    
+
+    # Try to resolve everything with no asserts as a fuzzing
+    tests.each do |prefix|
+      current = ""
+      prefix.each_byte do |c|
+        current << c.chr
+        script_name, path_info, handler = uri_classifier.resolve(current)
+        assert script_name
+        assert path_info
+        assert handler
+      end
+    end
+
+    # Assert that we find stuff
+    tests.each do |t|
+      script_name, path_info, handler = uri_classifier.resolve(t)
+      assert handler
+    end
+
+    # Assert we don't find stuff
+    script_name, path_info, handler = uri_classifier.resolve("chicken")
+    assert_nil handler
+    assert_nil script_name
+    assert_nil path_info
+  end
+
+
+  # Verifies that a root mounted ("/") handler resolves
+  # such that path info matches the original URI.
+  # This is needed to accommodate real usage of handlers.
+  def test_root_mounted
+    uri_classifier = URIClassifier.new
+    root = "/"
+    path = "/this/is/a/test"
+
+    uri_classifier.register(root, 1)
+
+    script_name, path_info, handler = uri_classifier.resolve(root)
+    assert_equal 1, handler
+    assert_equal root, path_info
+    assert_equal root, script_name
+
+    script_name, path_info, handler = uri_classifier.resolve(path)
+    assert_equal path, path_info
+    assert_equal root, script_name
+    assert_equal 1, handler
+  end
+
+  # Verifies that a root mounted ("/") handler
+  # is the default point, doesn't matter the order we use
+  # to register the URIs
+  def test_classifier_order
+    tests = ["/before", "/way_past"]
+    root = "/"
+    path = "/path"
+
+    uri_classifier = URIClassifier.new
+    uri_classifier.register(path, 1)
+    uri_classifier.register(root, 2)
+
+    tests.each do |uri|
+      script_name, path_info, handler = uri_classifier.resolve(uri)
+      assert_equal root, script_name, "#{uri} did not resolve to #{root}"
+      assert_equal uri, path_info
+      assert_equal 2, handler
+    end
+  end
+  
+  if ENV['BENCHMARK']
+    # Eventually we will have a suite of benchmarks instead of lamely installing a test
+    
+    def test_benchmark    
+
+      # This URI set should favor a TST. Both versions increase linearly until you hit 14 
+      # URIs, then the TST flattens out.
+      @uris = %w(
+        / 
+        /dag /dig /digbark /dog /dogbark /dog/bark /dug /dugbarking /puppy 
+        /c /cat /cat/tree /cat/tree/mulberry /cats /cot /cot/tree/mulberry /kitty /kittycat
+#        /eag /eig /eigbark /eog /eogbark /eog/bark /eug /eugbarking /iuppy 
+#        /f /fat /fat/tree /fat/tree/mulberry /fats /fot /fot/tree/mulberry /jitty /jittyfat
+#        /gag /gig /gigbark /gog /gogbark /gog/bark /gug /gugbarking /kuppy 
+#        /h /hat /hat/tree /hat/tree/mulberry /hats /hot /hot/tree/mulberry /litty /littyhat
+#        /ceag /ceig /ceigbark /ceog /ceogbark /ceog/cbark /ceug /ceugbarking /ciuppy 
+#        /cf /cfat /cfat/ctree /cfat/ctree/cmulberry /cfats /cfot /cfot/ctree/cmulberry /cjitty /cjittyfat
+#        /cgag /cgig /cgigbark /cgog /cgogbark /cgog/cbark /cgug /cgugbarking /ckuppy 
+#        /ch /chat /chat/ctree /chat/ctree/cmulberry /chats /chot /chot/ctree/cmulberry /citty /cittyhat
+      )
+      
+      @requests = %w(
+        /
+        /dig
+        /digging
+        /dogging
+        /dogbarking/
+        /puppy/barking
+        /c
+        /cat
+        /cat/shrub
+        /cat/tree
+        /cat/tree/maple
+        /cat/tree/mulberry/tree
+        /cat/tree/oak
+        /cats/
+        /cats/tree
+        /cod
+        /zebra
+      )
+    
+      @classifier = URIClassifier.new
+      @uris.each do |uri|
+        @classifier.register(uri, 1)
+      end
+      
+      puts "#{@uris.size} URIs / #{@requests.size * 10000} requests"
+  
+      Benchmark.bm do |x|
+        x.report do
+  #        require 'ruby-prof'
+  #        profile = RubyProf.profile do
+            10000.times do
+              @requests.each do |request|
+                @classifier.resolve(request)
+              end
+            end
+  #        end
+  #        File.open("profile.html", 'w') { |file| RubyProf::GraphHtmlPrinter.new(profile).print(file, 0) }
+        end
+      end          
+    end
+  end
+  
+end
+