From 538f1441d4a3d67117553f7958670c94b621d4de Mon Sep 17 00:00:00 2001
From: Jim Menard <jim@10gen.com>
Date: Mon, 12 Jan 2009 09:19:31 -0500
Subject: [PATCH] Enable round-trip BSON tests (local files only for now).

---
 tests/test_round_trip.rb | 115 ++++++++++++++++++++-------------------
 1 file changed, 60 insertions(+), 55 deletions(-)

diff --git a/tests/test_round_trip.rb b/tests/test_round_trip.rb
index 0b15306..bff1cab 100644
--- a/tests/test_round_trip.rb
+++ b/tests/test_round_trip.rb
@@ -6,6 +6,11 @@ require 'test/unit'
 
 # For each xml/bson file in the data subdirectory, we turn the XML into an
 # OrderedHash and then test both Ruby-to-BSON and BSON-to-Ruby translations.
+#
+# There is a whole other project that includes similar tests
+# (http://github.com/mongodb/mongo-qa). I'm going to write a Rake task that
+# checks out those tests and modify this test to run those if they ave been
+# checked out.
 class RoundTripTest < Test::Unit::TestCase
 
   include XGen::Mongo::Driver
@@ -13,71 +18,71 @@ class RoundTripTest < Test::Unit::TestCase
   @@ruby = nil
 
   def setup
-#     unless @@ruby
-#       names = Dir[File.join(HERE, 'data', '*.xml')].collect {|f| File.basename(f).sub(/\.xml$/, '') }
-#       @@ruby = {}
-#       names.each { |name|
-#         File.open(File.join(HERE, 'data', "#{name}.xml")) { |f|
-#           @@ruby[name] = XMLToRuby.new.xml_to_ruby(f)
-#         }
-#       }
-#     end
+    unless @@ruby
+      names = Dir[File.join(HERE, 'data', '*.xml')].collect {|f| File.basename(f).sub(/\.xml$/, '') }
+      @@ruby = {}
+      names.each { |name|
+        File.open(File.join(HERE, 'data', "#{name}.xml")) { |f|
+          @@ruby[name] = XMLToRuby.new.xml_to_ruby(f)
+        }
+      }
+    end
   end
 
   def test_dummy
     assert true
   end
 
-#   # Round-trip comparisons of Ruby-to-BSON and back.
-#   # * Take the objects that were read from XML
-#   # * Turn them into BSON bytes
-#   # * Compare that with the BSON files we have
-#   # * Turn those BSON bytes back in to Ruby objects
-#   # * Turn them back into BSON bytes
-#   # * Compare that with the BSON files we have (or the bytes that were already
-#   #   generated)
-#   def test_round_trip
-#     @@ruby.each { |name, obj|
-#       File.open(File.join(HERE, 'data', "#{name}.bson"), 'r') { |f|
-#         # Read the BSON from the file
-#         bson = f.read
-#         bson = if RUBY_VERSION >= '1.9'
-#                  bson.bytes.to_a
-#                else
-#                  bson.split(//).collect { |c| c[0] }
-#                end
+  # Round-trip comparisons of Ruby-to-BSON and back.
+  # * Take the objects that were read from XML
+  # * Turn them into BSON bytes
+  # * Compare that with the BSON files we have
+  # * Turn those BSON bytes back in to Ruby objects
+  # * Turn them back into BSON bytes
+  # * Compare that with the BSON files we have (or the bytes that were already
+  #   generated)
+  def test_round_trip
+    @@ruby.each { |name, obj|
+      File.open(File.join(HERE, 'data', "#{name}.bson"), 'r') { |f|
+        # Read the BSON from the file
+        bson = f.read
+        bson = if RUBY_VERSION >= '1.9'
+                 bson.bytes.to_a
+               else
+                 bson.split(//).collect { |c| c[0] }
+               end
 
-#         # Turn the Ruby object into BSON bytes and compare with the BSON bytes
-#         # from the file.
-#         bson_from_ruby = BSON.new.serialize(obj).to_a
+        # Turn the Ruby object into BSON bytes and compare with the BSON bytes
+        # from the file.
+        bson_from_ruby = BSON.new.serialize(obj).to_a
 
-# #         # DEBUG
-# #         File.open(File.join(HERE, 'data', "#{name}_out.bson"), 'wb') { |f|
-# #           bson_from_ruby.each { |b| f.putc(b) }
-# #         }
+#         # DEBUG
+#         File.open(File.join(HERE, 'data', "#{name}_out.bson"), 'wb') { |f|
+#           bson_from_ruby.each { |b| f.putc(b) }
+#         }
 
-#         begin
-#           assert_equal bson.length, bson_from_ruby.length
-#           assert_equal bson, bson_from_ruby
-#         rescue => ex
-#           $stderr.puts "failure while round-tripping #{name}" # DEBUG
-#           raise ex
-#         end
+        begin
+          assert_equal bson.length, bson_from_ruby.length
+          assert_equal bson, bson_from_ruby
+        rescue => ex
+          $stderr.puts "failure while round-tripping #{name}" # DEBUG
+          raise ex
+        end
 
-#         # Turn those BSON bytes back into a Ruby object.
-#         #
-#         # We're passing a nil db to the contructor here, but that's OK because
-#         # the BSON bytes don't contain the db object in any case.
-#         obj_from_bson = BSON.new(nil).deserialize(ByteBuffer.new(bson_from_ruby))
-#         assert_kind_of OrderedHash, obj_from_bson
+        # Turn those BSON bytes back into a Ruby object.
+        #
+        # We're passing a nil db to the contructor here, but that's OK because
+        # the BSON bytes don't contain the db object in any case.
+        obj_from_bson = BSON.new(nil).deserialize(ByteBuffer.new(bson_from_ruby))
+        assert_kind_of OrderedHash, obj_from_bson
 
-#         # Turn that Ruby object into BSON and compare it to the original BSON
-#         # bytes.
-#         bson_from_ruby = BSON.new.serialize(obj_from_bson).to_a
-#         assert_equal bson.length, bson_from_ruby.length
-#         assert_equal bson, bson_from_ruby
-#       }
-#     }
-#   end
+        # Turn that Ruby object into BSON and compare it to the original BSON
+        # bytes.
+        bson_from_ruby = BSON.new.serialize(obj_from_bson).to_a
+        assert_equal bson.length, bson_from_ruby.length
+        assert_equal bson, bson_from_ruby
+      }
+    }
+  end
 
 end