330 lines
8.3 KiB
Ruby
330 lines
8.3 KiB
Ruby
$LOAD_PATH[0,0] = File.join(File.dirname(__FILE__), '..', 'lib')
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require 'mongo'
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require 'test/unit'
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# NOTE: assumes Mongo is running
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class CursorTest < Test::Unit::TestCase
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include Mongo
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@@db = Connection.new(ENV['MONGO_RUBY_DRIVER_HOST'] || 'localhost',
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ENV['MONGO_RUBY_DRIVER_PORT'] || Connection::DEFAULT_PORT).db('ruby-mongo-test')
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@@coll = @@db.collection('test')
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def setup
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@@coll.clear
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@@coll.insert('a' => 1) # collection not created until it's used
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@@coll_full_name = 'ruby-mongo-test.test'
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end
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def teardown
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@@coll.clear
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@@db.error
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end
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def test_explain
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cursor = @@coll.find('a' => 1)
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explaination = cursor.explain
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assert_not_nil explaination['cursor']
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assert_kind_of Numeric, explaination['n']
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assert_kind_of Numeric, explaination['millis']
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assert_kind_of Numeric, explaination['nscanned']
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end
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def test_count
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@@coll.clear
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assert_equal 0, @@coll.find().count()
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10.times do |i|
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@@coll.save("x" => i)
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end
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assert_equal 10, @@coll.find().count()
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assert_kind_of Integer, @@coll.find().count()
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assert_equal 10, @@coll.find({}, :limit => 5).count()
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assert_equal 10, @@coll.find({}, :skip => 5).count()
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assert_equal 1, @@coll.find({"x" => 1}).count()
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assert_equal 5, @@coll.find({"x" => {"$lt" => 5}}).count()
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a = @@coll.find()
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b = a.count()
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a.each do |doc|
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break
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end
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assert_equal b, a.count()
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assert_equal 0, @@db['acollectionthatdoesn'].count()
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end
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def test_sort
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@@coll.clear
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5.times{|x| @@coll.insert({"a" => x}) }
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assert_kind_of Cursor, @@coll.find().sort(:a, 1)
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assert_equal 0, @@coll.find().sort(:a, 1).next_object["a"]
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assert_equal 4, @@coll.find().sort(:a, -1).next_object["a"]
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assert_equal 0, @@coll.find().sort([["a", :asc]]).next_object["a"]
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assert_kind_of Cursor, @@coll.find().sort([[:a, -1], [:b, 1]])
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assert_equal 4, @@coll.find().sort(:a, 1).sort(:a, -1).next_object["a"]
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assert_equal 0, @@coll.find().sort(:a, -1).sort(:a, 1).next_object["a"]
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cursor = @@coll.find()
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cursor.next_object()
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assert_raise InvalidOperation do
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cursor.sort(["a"])
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end
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assert_raise InvalidSortValueError do
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@@coll.find().sort(:a, 25).next_object
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end
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assert_raise InvalidSortValueError do
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@@coll.find().sort(25).next_object
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end
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end
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def test_limit
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@@coll.clear
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10.times do |i|
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@@coll.save("x" => i)
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end
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assert_equal 10, @@coll.find().count()
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results = @@coll.find().limit(5).to_a
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assert_equal 5, results.length
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end
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def test_limit_exceptions
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assert_raise ArgumentError do
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cursor = @@coll.find().limit('not-an-integer')
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end
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cursor = @@coll.find()
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firstResult = cursor.next_object()
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assert_raise InvalidOperation, "Cannot modify the query once it has been run or closed." do
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cursor.limit(1)
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end
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cursor = @@coll.find()
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cursor.close
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assert_raise InvalidOperation, "Cannot modify the query once it has been run or closed." do
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cursor.limit(1)
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end
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end
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def test_skip
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@@coll.clear
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10.times do |i|
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@@coll.save("x" => i)
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end
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assert_equal 10, @@coll.find().count()
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all_results = @@coll.find().to_a
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skip_results = @@coll.find().skip(2).to_a
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assert_equal 10, all_results.length
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assert_equal 8, skip_results.length
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assert_equal all_results.slice(2...10), skip_results
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end
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def test_skip_exceptions
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assert_raise ArgumentError do
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cursor = @@coll.find().skip('not-an-integer')
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end
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cursor = @@coll.find()
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firstResult = cursor.next_object()
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assert_raise InvalidOperation, "Cannot modify the query once it has been run or closed." do
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cursor.skip(1)
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end
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cursor = @@coll.find()
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cursor.close
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assert_raise InvalidOperation, "Cannot modify the query once it has been run or closed." do
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cursor.skip(1)
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end
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end
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def test_limit_skip_chaining
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@@coll.clear
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10.times do |i|
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@@coll.save("x" => i)
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end
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all_results = @@coll.find().to_a
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limited_skip_results = @@coll.find().limit(5).skip(3).to_a
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assert_equal all_results.slice(3...8), limited_skip_results
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end
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def test_close_no_query_sent
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begin
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cursor = @@coll.find('a' => 1)
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cursor.close
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assert cursor.closed?
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rescue => ex
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fail ex.to_s
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end
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end
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def test_refill_via_get_more
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assert_equal 1, @@coll.count
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1000.times { |i|
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assert_equal 1 + i, @@coll.count
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@@coll.insert('a' => i)
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}
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assert_equal 1001, @@coll.count
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count = 0
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@@coll.find.each { |obj|
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count += obj['a']
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}
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assert_equal 1001, @@coll.count
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# do the same thing again for debugging
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assert_equal 1001, @@coll.count
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count2 = 0
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@@coll.find.each { |obj|
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count2 += obj['a']
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}
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assert_equal 1001, @@coll.count
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assert_equal count, count2
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assert_equal 499501, count
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end
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def test_refill_via_get_more_alt_coll
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coll = @@db.collection('test-alt-coll')
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coll.clear
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coll.insert('a' => 1) # collection not created until it's used
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assert_equal 1, coll.count
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1000.times { |i|
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assert_equal 1 + i, coll.count
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coll.insert('a' => i)
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}
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assert_equal 1001, coll.count
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count = 0
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coll.find.each { |obj|
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count += obj['a']
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}
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assert_equal 1001, coll.count
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# do the same thing again for debugging
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assert_equal 1001, coll.count
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count2 = 0
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coll.find.each { |obj|
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count2 += obj['a']
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}
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assert_equal 1001, coll.count
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assert_equal count, count2
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assert_equal 499501, count
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end
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def test_close_after_query_sent
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begin
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cursor = @@coll.find('a' => 1)
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cursor.next_object
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cursor.close
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assert cursor.closed?
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rescue => ex
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fail ex.to_s
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end
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end
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def test_kill_cursors
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@@coll.drop
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client_cursors = @@db.db_command("cursorInfo" => 1)["clientCursors_size"]
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by_location = @@db.db_command("cursorInfo" => 1)["byLocation_size"]
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10000.times do |i|
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@@coll.insert("i" => i)
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end
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assert_equal(client_cursors,
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@@db.db_command("cursorInfo" => 1)["clientCursors_size"])
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assert_equal(by_location,
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@@db.db_command("cursorInfo" => 1)["byLocation_size"])
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10.times do |i|
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@@coll.find_one()
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end
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assert_equal(client_cursors,
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@@db.db_command("cursorInfo" => 1)["clientCursors_size"])
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assert_equal(by_location,
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@@db.db_command("cursorInfo" => 1)["byLocation_size"])
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10.times do |i|
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a = @@coll.find()
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a.next_object()
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a.close()
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end
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assert_equal(client_cursors,
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@@db.db_command("cursorInfo" => 1)["clientCursors_size"])
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assert_equal(by_location,
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@@db.db_command("cursorInfo" => 1)["byLocation_size"])
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a = @@coll.find()
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a.next_object()
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assert_not_equal(client_cursors,
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@@db.db_command("cursorInfo" => 1)["clientCursors_size"])
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assert_not_equal(by_location,
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@@db.db_command("cursorInfo" => 1)["byLocation_size"])
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a.close()
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assert_equal(client_cursors,
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@@db.db_command("cursorInfo" => 1)["clientCursors_size"])
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assert_equal(by_location,
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@@db.db_command("cursorInfo" => 1)["byLocation_size"])
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a = @@coll.find({}, :limit => 10).next_object()
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assert_equal(client_cursors,
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@@db.db_command("cursorInfo" => 1)["clientCursors_size"])
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assert_equal(by_location,
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@@db.db_command("cursorInfo" => 1)["byLocation_size"])
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@@coll.find() do |cursor|
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cursor.next_object()
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end
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assert_equal(client_cursors,
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@@db.db_command("cursorInfo" => 1)["clientCursors_size"])
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assert_equal(by_location,
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@@db.db_command("cursorInfo" => 1)["byLocation_size"])
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@@coll.find() { |cursor|
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cursor.next_object()
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}
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assert_equal(client_cursors,
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@@db.db_command("cursorInfo" => 1)["clientCursors_size"])
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assert_equal(by_location,
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@@db.db_command("cursorInfo" => 1)["byLocation_size"])
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end
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def test_count_with_fields
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@@coll.clear
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@@coll.save("x" => 1)
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@@coll.find({}, :fields => ["a"]).each do |doc|
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fail "shouldn't have any results here"
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end
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assert_equal(0, @@coll.find({}, :fields => ["a"]).count())
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end
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end
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