115 lines
3.7 KiB
Ruby
115 lines
3.7 KiB
Ruby
HERE = File.dirname(__FILE__)
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$LOAD_PATH[0,0] = File.join(HERE, '..', 'lib')
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require 'test/test_helper'
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require 'mongo/util/xml_to_ruby'
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# For each xml/bson file in the data subdirectory, we turn the XML into an
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# OrderedHash and then test both Ruby-to-BSON and BSON-to-Ruby translations.
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#
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# There is a whole other project that includes similar tests
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# (http://github.com/mongodb/mongo-qa). If the directory ../../mongo-qa
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# exists, (that is, the top-level dir of mongo-qa is next to the top-level dir
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# of this project), then we find the BSON test files there and use those, too.
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class RoundTripTest < Test::Unit::TestCase
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include Mongo
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@@ruby = nil
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def setup
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unless @@ruby
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names = Dir[File.join(HERE, 'data', '*.xml')].collect {|f| File.basename(f).sub(/\.xml$/, '') }
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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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def self.create_test_for_round_trip_files_in_dir(dir)
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names = Dir[File.join(dir, '*.xson')].collect {|f| File.basename(f).sub(/\.xson$/, '') }
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names.each { |name|
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eval <<EOS
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def test_#{name}_#{dir.gsub(/[^a-zA-Z0-9_]/, '_')}
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one_round_trip("#{dir}", "#{name}")
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end
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EOS
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}
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end
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# Dynamically generate one test for each test file. This way, if one test
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# fails the others will still run.
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create_test_for_round_trip_files_in_dir(File.join(HERE, 'data'))
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mongo_qa_dir = File.join(HERE, '../..', 'mongo-qa/modules/bson_tests/tests')
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if File.exist?(mongo_qa_dir)
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%w(basic_types complex single_types).each { |subdir_name|
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create_test_for_round_trip_files_in_dir(File.join(mongo_qa_dir, subdir_name))
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}
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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 one_round_trip(dir, name)
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obj = File.open(File.join(dir, "#{name}.xson")) { |f|
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begin
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XMLToRuby.new.xml_to_ruby(f)
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rescue => ex # unsupported type
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return
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end
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}
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File.open(File.join(dir, "#{name}.bson"), 'rb') { |f|
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# Read the BSON from the file
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bson = f.read
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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.serialize(obj)
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begin
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assert_equal bson.length, bson_from_ruby.to_s.length
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assert_equal bson, bson_from_ruby.to_s
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rescue => ex
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# File.open(File.join(dir, "#{name}_out_a.bson"), 'wb') { |f| # DEBUG
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# bson_from_ruby.each { |b| f.putc(b) }
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# }
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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 DBRef bytes don't contain the db object in any case, and we
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# don't care what the database is.
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obj_from_bson = BSON.deserialize(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.serialize(obj_from_bson)
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begin
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assert_equal bson.length, bson_from_ruby.to_s.length
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assert_equal bson, bson_from_ruby.to_s
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rescue => ex
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# File.open(File.join(dir, "#{name}_out_b.bson"), 'wb') { |f| # DEBUG
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# bson_from_ruby.each { |b| f.putc(b) }
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# }
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raise ex
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end
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}
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end
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end
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