JezK
Edit File: debug_logging_spec.rb
require File.expand_path(File.dirname(__FILE__) + '/spec_helper') require 'phusion_passenger/debug_logging' require 'phusion_passenger/utils/tmpdir' require 'stringio' module PhusionPassenger describe DebugLogging do after :each do DebugLogging.log_level = 0 DebugLogging.log_file = nil DebugLogging.stderr_evaluator = nil end class MyClass include DebugLogging end def use_log_file! @log_file = PhusionPassenger::Utils.passenger_tmpdir + "/debug.log" DebugLogging.log_file = @log_file end describe "#debug" do it "doesn't print the message if log level is 0" do use_log_file! DebugLogging.debug("hello") File.exist?(@log_file).should be_false end it "prints the message if log level is 1" do use_log_file! DebugLogging.log_level = 1 DebugLogging.debug("hello") File.exist?(@log_file).should be_true end it "prints the message if log level is greater than 1" do use_log_file! DebugLogging.log_level = 2 DebugLogging.debug("hello") File.exist?(@log_file).should be_true end it "prints the location of the calling function" do use_log_file! DebugLogging.log_level = 1 DebugLogging.debug("hello") File.read(@log_file).should include("debug_logging_spec.rb") end it "prints to STDERR by default" do io = StringIO.new DebugLogging.log_level = 1 DebugLogging.stderr_evaluator = lambda { io } DebugLogging.debug("hello") io.string.should include("hello") end it "reopens the log file handle if it has been closed" do use_log_file! DebugLogging.log_level = 1 DebugLogging.debug("hello") DebugLogging._log_device.close DebugLogging.debug("world") File.read(@log_file).should include("world") end it "also works as included method" do use_log_file! DebugLogging.log_level = 1 MyClass.new.send(:debug, "hello") File.read(@log_file).should include("hello") end it "is private when included" do MyClass.private_method_defined?(:debug) end end describe "#trace" do specify "#trace(x, ...) doesn't print the message if the log level is lower than x" do use_log_file! DebugLogging.log_level = 1 DebugLogging.trace(2, "hello") File.exist?(@log_file).should be_false end specify "#trace(x, ...) prints the message if the log level equals x" do use_log_file! DebugLogging.log_level = 2 DebugLogging.trace(2, "hello") File.exist?(@log_file).should be_true end specify "#trace(x, ...) prints the message if the log level is greater than x" do use_log_file! DebugLogging.log_level = 3 DebugLogging.trace(2, "hello") File.exist?(@log_file).should be_true end specify "#trace prints the location of the calling function" do io = StringIO.new DebugLogging.log_level = 1 DebugLogging.stderr_evaluator = lambda { io } DebugLogging.trace(1, "hello") io.string.should include("hello") end it "prints to STDERR by default" do io = StringIO.new DebugLogging.log_level = 1 DebugLogging.stderr_evaluator = lambda { io } DebugLogging.trace(1, "hello") io.string.should include("hello") end it "reopens the log file handle if it has been closed" do use_log_file! DebugLogging.log_level = 1 DebugLogging.trace(1, "hello") DebugLogging._log_device.close DebugLogging.trace(1, "world") File.read(@log_file).should include("world") end it "also works as included method" do use_log_file! DebugLogging.log_level = 1 MyClass.new.send(:trace, 1, "hello") File.read(@log_file).should include("hello") end it "is private when included" do MyClass.private_method_defined?(:trace) end end end end # module PhusionPassenger