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require File.expand_path(File.dirname(__FILE__) + '/spec_helper')
require 'stringio'
require 'phusion_passenger/analytics_logger'
module PhusionPassenger
describe AnalyticsLogger do
YESTERDAY = Time.utc(2010, 4, 11, 11, 56, 02)
TODAY = Time.utc(2010, 4, 11, 12, 56, 02)
TOMORROW = Time.utc(2010, 4, 11, 13, 56, 02)
FOOBAR_MD5 = Digest::MD5.hexdigest("foobar")
LOCALHOST_MD5 = Digest::MD5.hexdigest("localhost")
before :each do
@username = "logging"
@password = "1234"
@log_dir = Utils.passenger_tmpdir
start_agent
@logger = AnalyticsLogger.new(@socket_address, @username, @password, "localhost")
@logger2 = AnalyticsLogger.new(@socket_address, @username, @password, "localhost")
end
after :each do
@logger.close
@logger2.close
if @agent_pid
Process.kill('KILL', @agent_pid)
Process.waitpid(@agent_pid)
end
end
def mock_time(time)
AnalyticsLogger.stub!(:current_time).and_return(time)
end
def start_agent
@agent_pid, @socket_filename, @socket_address = spawn_logging_agent(@log_dir, @password)
end
def kill_agent
if @agent_pid
Process.kill('KILL', @agent_pid)
Process.waitpid(@agent_pid)
File.unlink(@socket_filename)
@agent_pid = nil
end
end
specify "logging with #new_transaction works" do
mock_time(TODAY)
log = @logger.new_transaction("foobar")
log.should_not be_null
begin
log.message("hello")
ensure
log.close(true)
end
log_file = "#{@log_dir}/1/#{FOOBAR_MD5}/#{LOCALHOST_MD5}/requests/2010/04/11/12/log.txt"
File.read(log_file).should =~ /hello/
log = @logger.new_transaction("foobar", :processes)
log.should_not be_null
begin
log.message("world")
ensure
log.close(true)
end
log_file = "#{@log_dir}/1/#{FOOBAR_MD5}/#{LOCALHOST_MD5}/processes/2010/04/11/12/log.txt"
File.read(log_file).should =~ /world/
end
specify "#new_transaction reestablishes the connection if disconnected" do
mock_time(TODAY)
@logger.new_transaction("foobar").close(true)
connection = @logger.instance_variable_get(:"@connection")
connection.synchronize do
connection.channel.close
connection.channel = nil
end
log = @logger.new_transaction("foobar")
begin
log.message("hello")
ensure
log.close(true)
end
log_file = "#{@log_dir}/1/#{FOOBAR_MD5}/#{LOCALHOST_MD5}/requests/2010/04/11/12/log.txt"
File.read(log_file).should =~ /hello/
end
specify "#new_transaction does not reconnect to the server for a short period of time if connecting failed" do
@logger.reconnect_timeout = 60
@logger.max_connect_tries = 1
mock_time(TODAY)
kill_agent
@logger.new_transaction("foobar").should be_null
mock_time(TODAY + 30)
start_agent
@logger.new_transaction("foobar").should be_null
mock_time(TODAY + 61)
@logger.new_transaction("foobar").should_not be_null
end
specify "logging with #continue_transaction works" do
mock_time(TODAY)
log = @logger.new_transaction("foobar", :processes)
begin
log.message("hello")
log2 = @logger2.continue_transaction(log.txn_id, "foobar", :processes)
log2.should_not be_null
log2.txn_id.should == log.txn_id
begin
log2.message("world")
ensure
log2.close(true)
end
ensure
log.close(true)
end
log_file = "#{@log_dir}/1/#{FOOBAR_MD5}/#{LOCALHOST_MD5}/processes/2010/04/11/12/log.txt"
File.read(log_file).should =~ /#{Regexp.escape log.txn_id} .* hello$/
File.read(log_file).should =~ /#{Regexp.escape log.txn_id} .* world$/
end
specify "#continue_transaction reestablishes the connection if disconnected" do
mock_time(TODAY)
log = @logger.new_transaction("foobar")
log.close(true)
log2 = @logger2.continue_transaction(log.txn_id, "foobar")
log2.close(true)
connection = @logger2.instance_variable_get(:"@connection")
connection.synchronize do
connection.channel.close
connection.channel = nil
end
log2 = @logger2.continue_transaction(log.txn_id, "foobar")
begin
log2.message("hello")
ensure
log2.close(true)
end
log_file = "#{@log_dir}/1/#{FOOBAR_MD5}/#{LOCALHOST_MD5}/requests/2010/04/11/12/log.txt"
File.read(log_file).should =~ /hello/
end
specify "#new_transaction and #continue_transaction eventually reestablish the connection to the logging server if the logging server crashed and was restarted" do
mock_time(TODAY)
log = @logger.new_transaction("foobar")
@logger2.continue_transaction(log.txn_id, "foobar").close
kill_agent
start_agent
log = @logger.new_transaction("foobar")
log.should be_null
log2 = @logger2.continue_transaction("1234-abcd", "foobar")
log2.should be_null
mock_time(TODAY + 60)
log = @logger.new_transaction("foobar")
log2 = @logger2.continue_transaction(log.txn_id, "foobar")
begin
log2.message("hello")
ensure
log2.close(true)
end
log.close(true)
log_file = "#{@log_dir}/1/#{FOOBAR_MD5}/#{LOCALHOST_MD5}/requests/2010/04/11/12/log.txt"
File.read(log_file).should =~ /hello/
end
specify "#continue_transaction does not reconnect to the server for a short period of time if connecting failed" do
@logger.reconnect_timeout = 60
@logger.max_connect_tries = 1
@logger2.reconnect_timeout = 60
@logger2.max_connect_tries = 1
mock_time(TODAY)
log = @logger.new_transaction("foobar")
@logger2.continue_transaction(log.txn_id, "foobar")
kill_agent
@logger2.continue_transaction(log.txn_id, "foobar").should be_null
mock_time(TODAY + 30)
start_agent
@logger2.continue_transaction(log.txn_id, "foobar").should be_null
mock_time(TODAY + 61)
@logger2.continue_transaction(log.txn_id, "foobar").should_not be_null
end
specify "AnalyticsLogger only creates null Log objects if no server address is given" do
logger = AnalyticsLogger.new(nil, nil, nil, nil)
begin
logger.new_transaction("foobar").should be_null
ensure
logger.close
end
end
specify "once a Log object is closed, be becomes null" do
log = @logger.new_transaction("foobar")
log.close
log.should be_null
end
specify "null Log objects don't do anything" do
logger = AnalyticsLogger.new(nil, nil, nil, nil)
begin
log = logger.new_transaction("foobar")
log.message("hello")
log.close(true)
ensure
logger.close
end
File.exist?("#{@log_dir}/1").should be_false
end
specify "#clear_connection closes the connection" do
@logger.new_transaction("foobar").close
@logger.clear_connection
connection = @logger.instance_variable_get(:"@connection")
connection.synchronize do
connection.channel.should be_nil
end
end
end
end # module PhusionPassenger
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