mongo-ruby-driver/test/test_bson.rb

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$LOAD_PATH[0,0] = File.join(File.dirname(__FILE__), '..', 'lib')
require 'mongo'
require 'mongo/util/ordered_hash'
require 'test/unit'
class BSONTest < Test::Unit::TestCase
include XGen::Mongo::Driver
def setup
# We don't pass a DB to the constructor, even though we are about to test
# deserialization. This means that when we deserialize, any DBRefs will
# have nil @db ivars. That's fine for now.
@b = BSON.new
end
def test_string
doc = {'doc' => 'hello, world'}
@b.serialize(doc)
assert_equal doc, @b.deserialize
end
def test_code
doc = {'$where' => Code.new('this.a.b < this.b')}
@b.serialize(doc)
assert_equal doc, @b.deserialize
end
def test_number
doc = {'doc' => 41.99}
@b.serialize(doc)
assert_equal doc, @b.deserialize
end
def test_int
doc = {'doc' => 42}
@b.serialize(doc)
assert_equal doc, @b.deserialize
doc = {"doc" => -5600}
@b.serialize(doc)
assert_equal doc, @b.deserialize
doc = {"doc" => 2147483647}
@b.serialize(doc)
assert_equal doc, @b.deserialize
doc = {"doc" => -2147483648}
@b.serialize(doc)
assert_equal doc, @b.deserialize
end
def test_ordered_hash
doc = OrderedHash.new
doc["b"] = 1
doc["a"] = 2
doc["c"] = 3
doc["d"] = 4
@b.serialize(doc)
assert_equal doc, @b.deserialize
end
def test_object
doc = {'doc' => {'age' => 42, 'name' => 'Spongebob', 'shoe_size' => 9.5}}
@b.serialize(doc)
assert_equal doc, @b.deserialize
end
def test_oid
doc = {'doc' => ObjectID.new}
@b.serialize(doc)
assert_equal doc, @b.deserialize
end
def test_array
doc = {'doc' => [1, 2, 'a', 'b']}
@b.serialize(doc)
assert_equal doc, @b.deserialize
end
def test_regex
doc = {'doc' => /foobar/i}
@b.serialize(doc)
doc2 = @b.deserialize
assert_equal doc, doc2
r = doc2['doc']
assert_kind_of XGen::Mongo::Driver::RegexpOfHolding, r
assert_equal '', r.extra_options_str
r.extra_options_str << 'zywcab'
assert_equal 'zywcab', r.extra_options_str
b = BSON.new
doc = {'doc' => r}
b.serialize(doc)
doc2 = nil
doc2 = b.deserialize
assert_equal doc, doc2
r = doc2['doc']
assert_kind_of XGen::Mongo::Driver::RegexpOfHolding, r
assert_equal 'abcwyz', r.extra_options_str # must be sorted
end
def test_boolean
doc = {'doc' => true}
@b.serialize(doc)
assert_equal doc, @b.deserialize
end
def test_date
doc = {'date' => Time.now}
@b.serialize(doc)
doc2 = @b.deserialize
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# Mongo only stores up to the millisecond
assert_in_delta doc['date'], doc2['date'], 0.001
end
def test_date_returns_as_utc
doc = {'date' => Time.now}
@b.serialize(doc)
doc2 = @b.deserialize
assert doc2['date'].utc?
end
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def test_dbref
oid = ObjectID.new
doc = {}
doc['dbref'] = DBRef.new('namespace', oid)
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@b.serialize(doc)
doc2 = @b.deserialize
assert_equal 'namespace', doc2['dbref'].namespace
assert_equal oid, doc2['dbref'].object_id
end
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def test_symbol
doc = {'sym' => :foo}
@b.serialize(doc)
doc2 = @b.deserialize
assert_equal :foo, doc2['sym']
end
def test_binary
bin = Binary.new
'binstring'.each_byte { |b| bin.put(b) }
doc = {'bin' => bin}
@b.serialize(doc)
doc2 = @b.deserialize
bin2 = doc2['bin']
assert_kind_of Binary, bin2
assert_equal 'binstring', bin2.to_s
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assert_equal Binary::SUBTYPE_BYTES, bin2.subtype
end
def test_binary_type
bin = Binary.new([1, 2, 3, 4, 5], Binary::SUBTYPE_USER_DEFINED)
doc = {'bin' => bin}
@b.serialize(doc)
doc2 = @b.deserialize
bin2 = doc2['bin']
assert_kind_of Binary, bin2
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assert_equal [1, 2, 3, 4, 5], bin2.to_a
assert_equal Binary::SUBTYPE_USER_DEFINED, bin2.subtype
end
def test_binary_byte_buffer
bb = ByteBuffer.new
5.times { |i| bb.put(i + 1) }
doc = {'bin' => bb}
@b.serialize(doc)
doc2 = @b.deserialize
bin2 = doc2['bin']
assert_kind_of Binary, bin2
assert_equal [1, 2, 3, 4, 5], bin2.to_a
assert_equal Binary::SUBTYPE_BYTES, bin2.subtype
end
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def test_undefined
doc = {'undef' => Undefined.new}
@b.serialize(doc)
doc2 = @b.deserialize
assert_equal nil, doc2['undef']
end
def test_put_id_first
val = OrderedHash.new
val['not_id'] = 1
val['_id'] = 2
roundtrip = @b.deserialize(@b.serialize(val).to_a)
assert_kind_of OrderedHash, roundtrip
assert_equal '_id', roundtrip.keys.first
val = {'a' => 'foo', 'b' => 'bar', :_id => 42, 'z' => 'hello'}
roundtrip = @b.deserialize(@b.serialize(val).to_a)
assert_kind_of OrderedHash, roundtrip
assert_equal '_id', roundtrip.keys.first
end
def test_nil_id
doc = {"_id" => nil}
assert_equal doc, @b.deserialize(@b.serialize(doc).to_a)
end
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def test_timestamp
val = {"test" => [4, 20]}
assert_equal val, @b.deserialize([0x13, 0x00, 0x00, 0x00,
0x11, 0x74, 0x65, 0x73,
0x74, 0x00, 0x04, 0x00,
0x00, 0x00, 0x14, 0x00,
0x00, 0x00, 0x00])
end
def test_overflow
doc = {"x" => 2**75}
assert_raise RangeError do
@b.serialize(doc)
end
doc = {"x" => 9223372036854775}
assert_equal doc, @b.deserialize(@b.serialize(doc).to_a)
doc = {"x" => 9223372036854775807}
assert_equal doc, @b.deserialize(@b.serialize(doc).to_a)
doc["x"] = doc["x"] + 1
assert_raise RangeError do
@b.serialize(doc)
end
doc = {"x" => -9223372036854775}
assert_equal doc, @b.deserialize(@b.serialize(doc).to_a)
doc = {"x" => -9223372036854775808}
assert_equal doc, @b.deserialize(@b.serialize(doc).to_a)
doc["x"] = doc["x"] - 1
assert_raise RangeError do
@b.serialize(doc)
end
end
def test_do_not_change_original_object
val = OrderedHash.new
val['not_id'] = 1
val['_id'] = 2
assert val.keys.include?('_id')
@b.serialize(val)
assert val.keys.include?('_id')
val = {'a' => 'foo', 'b' => 'bar', :_id => 42, 'z' => 'hello'}
assert val.keys.include?(:_id)
@b.serialize(val)
assert val.keys.include?(:_id)
end
end