require 'spec_helper'

describe "Logger::Application#log" do
  before :each do
    @file_path = tmp("test_log.log")
    @log_file = File.open(@file_path, "w+")
    @app = LoggerSpecs::TestApp.new("TestApp", @log_file)
    @app.start
  end

  after :each do
    @log_file.close unless @log_file.closed?
    rm_r @file_path
  end

  it "logs a message" do
    @app.log(Logger::WARN, "Test message")
    @log_file.rewind
    message = @log_file.readlines.last
    LoggerSpecs::strip_date(message).should == "WARN -- TestApp: Test message\n"
  end

  it "receives a severity" do
    @app.log(Logger::INFO,  "Info message")
    @app.log(Logger::DEBUG, "Debug message")
    @app.log(Logger::WARN,  "Warn message")
    @app.log(Logger::ERROR, "Error message")
    @app.log(Logger::FATAL, "Fatal message")
    @log_file.rewind
    messages = @log_file.readlines[3..-1] # remove default messages

    LoggerSpecs::strip_date(messages[0]).should == "INFO -- TestApp: Info message\n"
    LoggerSpecs::strip_date(messages[1]).should == "DEBUG -- TestApp: Debug message\n"
    LoggerSpecs::strip_date(messages[2]).should == "WARN -- TestApp: Warn message\n"
    LoggerSpecs::strip_date(messages[3]).should == "ERROR -- TestApp: Error message\n"
    LoggerSpecs::strip_date(messages[4]).should == "FATAL -- TestApp: Fatal message\n"
  end

  it "uses app name for Application Name" do
    @app.log(Logger::INFO,  "Info message")
    @log_file.rewind
    test_message = @log_file.readlines.last
    Regexp.new(/TestApp/).should =~ LoggerSpecs::strip_date(test_message)
  end

  it "receives a block and calls it if message is nil" do
    temp = 0
    @app.log(Logger::INFO, nil) { temp = 1 }
    temp.should == 1
  end
end

describe "Logger::Application#log=" do
  before :each do
    @file_path = tmp("test_log.log")
    @log_file = File.open(@file_path, "w+")
    @app = LoggerSpecs::TestApp.new("TestApp", @log_file)
    @app.start
  end

  after :all do
    if @log_file
      @log_file.close
      rm_r @file_path
    end
  end

  it "sets the log device" do
    regex = /STDERR Message/
    @app.log = STDERR
    lambda { @app.log(Logger::WARN, "STDERR Message") }.should output_to_fd(regex, STDERR)
  end
end
