139 lines
4.0 KiB
Ruby
139 lines
4.0 KiB
Ruby
require 'test/test_helper'
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class ConnectionTest < Test::Unit::TestCase
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def new_mock_socket
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socket = Object.new
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socket.stubs(:setsockopt).with(Socket::IPPROTO_TCP, Socket::TCP_NODELAY, 1)
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socket
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end
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def new_mock_db
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db = Object.new
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end
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# Make a few methods public for these tests.
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class Mongo::Connection
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public :checkin, :checkout, :clear_stale_cached_connections!
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end
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context "Initialization: " do
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context "given a single node" do
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setup do
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TCPSocket.stubs(:new).returns(new_mock_socket)
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@conn = Connection.new('localhost', 27017, :connect => false)
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admin_db = new_mock_db
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admin_db.expects(:command).returns({'ok' => 1, 'ismaster' => 1})
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@conn.expects(:[]).with('admin').returns(admin_db)
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@conn.connect_to_master
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end
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should "set localhost and port to master" do
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assert_equal 'localhost', @conn.host
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assert_equal 27017, @conn.port
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end
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should "set connection pool to 1" do
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assert_equal 1, @conn.size
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end
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should "default slave_ok to false" do
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assert !@conn.slave_ok?
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end
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end
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end
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context "with a nonstandard port" do
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setup do
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TCPSocket.stubs(:new).returns(new_mock_socket)
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@conn = Connection.new('255.255.255.255', 2500, :connect => false)
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admin_db = new_mock_db
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admin_db.expects(:command).returns({'ok' => 1, 'ismaster' => 1})
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@conn.expects(:[]).with('admin').returns(admin_db)
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@conn.connect_to_master
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end
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should "set localhost and port correctly" do
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assert_equal '255.255.255.255', @conn.host
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assert_equal 2500, @conn.port
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end
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end
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context "Connection pooling: " do
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setup do
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TCPSocket.stubs(:new).returns(new_mock_socket)
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@conn = Connection.new('localhost', 27107, :connect => false,
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:pool_size => 3)
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admin_db = new_mock_db
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admin_db.expects(:command).returns({'ok' => 1, 'ismaster' => 1})
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@conn.expects(:[]).with('admin').returns(admin_db)
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@conn.connect_to_master
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end
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should "check out a new connection" do
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socket = @conn.checkout
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assert @conn.reserved_connections.keys.include?(Thread.current.object_id)
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end
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context "with multiple threads" do
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setup do
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@thread1 = Object.new
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@thread2 = Object.new
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@thread3 = Object.new
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@thread4 = Object.new
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Thread.stubs(:current).returns(@thread1)
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@socket1 = @conn.checkout
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Thread.stubs(:current).returns(@thread2)
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@socket2 = @conn.checkout
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Thread.stubs(:current).returns(@thread3)
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@socket3 = @conn.checkout
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end
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should "add each thread to the reserved pool" do
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assert @conn.reserved_connections.keys.include?(@thread1.object_id)
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assert @conn.reserved_connections.keys.include?(@thread2.object_id)
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assert @conn.reserved_connections.keys.include?(@thread3.object_id)
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end
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should "only add one socket per thread" do
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@conn.reserved_connections.values do |socket|
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assert [@socket1, @socket2, @socket3].include?(socket)
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end
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end
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should "check out all sockets" do
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assert_equal @conn.sockets.size, @conn.checked_out.size
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@conn.sockets.each do |sock|
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assert @conn.checked_out.include?(sock)
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end
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end
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should "raise an error if no more sockets can be checked out" do
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# This can't be tested with mock threads.
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# Will test in integration tests.
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end
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context "when releasing dead threads" do
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setup do
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@thread1.expects(:alive?).returns(false)
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@thread2.expects(:alive?).returns(true)
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@thread3.expects(:alive?).returns(true)
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Thread.expects(:list).returns([@thread1, @thread2, @thread3])
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@conn.clear_stale_cached_connections!
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end
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should "return connections for dead threads" do
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assert !@conn.checked_out.include?(@socket1)
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assert_nil @conn.reserved_connections[@thread1.object_id]
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end
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end
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end
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end
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end
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