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