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require 'test_helper'
require 'mongo'
# Demonstrate features in MongoDB 1.4
class Features14Test < Test::Unit::TestCase
context "MongoDB 1.4" do
setup do
@client = MongoClient.new
@db = @client['mongo-ruby-test']
@col = @db['new-features']
end
teardown do
@col.drop
end
context "new query operators: " do
context "$elemMatch: " do
setup do
@col.save({:user => 'bob', :updates => [{:date => Time.now.utc, :body => 'skiing', :n => 1},
{:date => Time.now.utc, :body => 'biking', :n => 2}]})
@col.save({:user => 'joe', :updates => [{:date => Time.now.utc, :body => 'skiing', :n => 2},
{:date => Time.now.utc, :body => 'biking', :n => 10}]})
end
should "match a document with a matching object element in an array" do
doc = @col.find_one({"updates" => {"$elemMatch" => {"body" => "skiing", "n" => 2}}})
assert_equal 'joe', doc['user']
end
should "$elemMatch with a conditional operator" do
doc1 = @col.find_one({"updates" => {"$elemMatch" => {"body" => "biking", "n" => {"$gt" => 5}}}})
assert_equal 'joe', doc1['user']
end
should "note the difference between $elemMatch and a traditional match" do
doc = @col.find({"updates.body" => "skiing", "updates.n" => 2}).to_a
assert_equal 2, doc.size
end
end
context "$all with regexes" do
setup do
@col.save({:n => 1, :a => 'whale'})
@col.save({:n => 2, :a => 'snake'})
end
should "match multiple regexes" do
doc = @col.find({:a => {'$all' => [/ha/, /le/]}}).to_a
assert_equal 1, doc.size
assert_equal 1, doc.first['n']
end
should "not match if not every regex matches" do
doc = @col.find({:a => {'$all' => [/ha/, /sn/]}}).to_a
assert_equal 0, doc.size
end
end
context "the $not operator" do
setup do
@col.save({:a => ['x']})
@col.save({:a => ['x', 'y']})
@col.save({:a => ['x', 'y', 'z']})
end
should "negate a standard operator" do
results = @col.find({:a => {'$not' => {'$size' => 2}}}).to_a
assert_equal 2, results.size
results = results.map {|r| r['a']}
assert_equal ['x'], results.sort.first
assert_equal ['x', 'y', 'z'], results.sort.last
end
end
end
context "new update operators: " do
context "$addToSet (pushing a unique value)" do
setup do
@col.save({:username => 'bob', :interests => ['skiing', 'guitar']})
end
should "add an item to a set uniquely ($addToSet)" do
@col.update({:username => 'bob'}, {'$addToSet' => {'interests' => 'skiing'}})
@col.update({:username => 'bob'}, {'$addToSet' => {'interests' => 'kayaking'}})
document = @col.find_one({:username => 'bob'})
assert_equal ['guitar', 'kayaking', 'skiing'], document['interests'].sort
end
should "add an array of items uniquely ($addToSet with $each)" do
@col.update({:username => 'bob'}, {'$addToSet' => {'interests' => {'$each' => ['skiing', 'kayaking', 'biking']}}})
document = @col.find_one({:username => 'bob'})
assert_equal ['biking', 'guitar', 'kayaking', 'skiing'], document['interests'].sort
end
end
context "the positional operator ($)" do
setup do
@id1 = @col.insert({:text => 'hello',
:comments => [{'by' => 'bob',
'text' => 'lol!'},
{'by' => 'susie',
'text' => 'bye bye!'}]})
@id2 = @col.insert({:text => 'goodbye',
:comments => [{'by' => 'bob',
'text' => 'au revoir'},
{'by' => 'susie',
'text' => 'bye bye!'}]})
end
should "update a matching array item" do
@col.update({"_id" => @id1, "comments.by" => 'bob'}, {'$set' => {'comments.$.text' => 'lmao!'}}, :multi => true)
result = @col.find_one({"_id" => @id1})
assert_equal 'lmao!', result['comments'][0]['text']
end
end
end
context "Geoindexing" do
setup do
@places = @db['places']
@places.create_index([['loc', Mongo::GEO2D]])
@empire_state = ([40.748371, -73.985031])
@jfk = ([40.643711, -73.790009])
@places.insert({'name' => 'Empire State Building', 'loc' => ([40.748371, -73.985031])})
@places.insert({'name' => 'Flatiron Building', 'loc' => ([40.741581, -73.987549])})
@places.insert({'name' => 'Grand Central', 'loc' => ([40.751678, -73.976562])})
@places.insert({'name' => 'Columbia University', 'loc' => ([40.808922, -73.961617])})
@places.insert({'name' => 'NYSE', 'loc' => ([40.71455, -74.007124])})
@places.insert({'name' => 'JFK', 'loc' => ([40.643711, -73.790009])})
end
teardown do
@places.drop
end
should "find the nearest addresses" do
results = @places.find({'loc' => {'$near' => @empire_state}}).limit(2).to_a
assert_equal 2, results.size
assert_equal 'Empire State Building', results[0]['name']
assert_equal 'Flatiron Building', results[1]['name']
end
should "use geoNear command to return distances from a point" do
cmd = BSON::OrderedHash.new
cmd['geoNear'] = 'places'
cmd['near'] = @empire_state
cmd['num'] = 6
r = @db.command(cmd)
assert_equal 6, r['results'].length
r['results'].each do |result|
puts result.inspect
end
end
end
end
end
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