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#
# Author:: Adam Jacob (<adam@chef.io>)
# Author:: Christopher Brown (<cb@chef.io>)
# Copyright:: Copyright (c) 2008-2016 Chef Software, Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
require "tempfile"
require "stringio"
require File.expand_path(File.join(File.dirname(__FILE__), "..", "spec_helper"))
class LoggerLike
attr_accessor :level
attr_reader :messages
def initialize
@messages = ""
end
[:debug, :info, :warn, :error, :fatal].each do |method_name|
class_eval(<<-E)
def #{method_name}(message)
@messages << message
end
E
end
end
describe Mixlib::Log do
# Since we are testing class behaviour for an instance variable
# that gets set once, we need to reset it prior to each example [cb]
before(:each) do
Logit.reset!
end
it "creates a logger using an IO object" do
io = StringIO.new
Logit.init(io)
Logit << "foo"
expect(io.string).to match(/foo/)
end
it "creates a logger with a file name" do
Tempfile.open("chef-test-log") do |tempfile|
Logit.init(tempfile.path)
Logit << "bar"
tempfile.rewind
expect(tempfile.read).to match(/bar/)
end
end
it "uses the logger provided when initialized with a logger like object" do
logger = LoggerLike.new
Logit.init(logger)
Logit.debug "qux"
expect(logger.messages).to match(/qux/)
end
it "should re-initialize the logger if init is called again" do
first_logdev, second_logdev = StringIO.new, StringIO.new
Logit.init(first_logdev)
Logit.fatal "FIRST"
expect(first_logdev.string).to match(/FIRST/)
Logit.init(second_logdev)
Logit.fatal "SECOND"
expect(first_logdev.string).to_not match(/SECOND/)
expect(second_logdev.string).to match(/SECOND/)
end
it "should set the log level using the binding form, with :debug, :info, :warn, :error, or :fatal" do
levels = {
:debug => Logger::DEBUG,
:info => Logger::INFO,
:warn => Logger::WARN,
:error => Logger::ERROR,
:fatal => Logger::FATAL
}
levels.each do |symbol, constant|
Logit.level = symbol
expect(Logit.logger.level).to eq(constant)
expect(Logit.level).to eq(symbol)
end
end
it "passes blocks to the underlying logger object" do
logdev = StringIO.new
Logit.init(logdev)
Logit.fatal { "the_message" }
expect(logdev.string).to match(/the_message/)
end
it "should set the log level using the method form, with :debug, :info, :warn, :error, or :fatal" do
levels = {
:debug => Logger::DEBUG,
:info => Logger::INFO,
:warn => Logger::WARN,
:error => Logger::ERROR,
:fatal => Logger::FATAL
}
levels.each do |symbol, constant|
Logit.level(symbol)
expect(Logit.logger.level).to eq(constant)
end
end
it "should raise an ArgumentError if you try and set the level to something strange using the binding form" do
expect(lambda { Logit.level = :the_roots }).to raise_error(ArgumentError)
end
it "should raise an ArgumentError if you try and set the level to something strange using the method form" do
expect(lambda { Logit.level(:the_roots) }).to raise_error(ArgumentError)
end
it "should pass other method calls directly to logger" do
Logit.level = :debug
expect(Logit).to be_debug
expect(lambda { Logit.debug("Gimme some sugar!") }).to_not raise_error
end
it "should pass add method calls directly to logger" do
logdev = StringIO.new
Logit.init(logdev)
Logit.level = :debug
expect(Logit).to be_debug
expect(lambda { Logit.add(Logger::DEBUG, "Gimme some sugar!") }).to_not raise_error
expect(logdev.string).to match(/Gimme some sugar/)
end
it "should default to STDOUT if init is called with no arguments" do
logger_mock = Struct.new(:formatter, :level).new
expect(Logger).to receive(:new).with(STDOUT).and_return(logger_mock)
Logit.init
end
it "should have by default a base log level of warn" do
logger_mock = Struct.new(:formatter, :level).new
expect(Logger).to receive(:new).and_return(logger_mock)
Logit.init
expect(Logit.level).to eq(:warn)
end
it "should close File logger" do
opened_files_count_before = 0
ObjectSpace.each_object(File) do |f|
opened_files_count_before += 1 unless f.closed?
end
Logit.init('/tmp/logger.log')
Logit.init('/tmp/logger.log')
Logit.init('/tmp/logger.log')
opened_files_count_after = 0
ObjectSpace.each_object(File) do |f|
opened_files_count_after += 1 unless f.closed?
end
expect(opened_files_count_after).to eq(opened_files_count_before + 1)
end
it "should not close IO logger" do
opened_files_count_before = 0
ObjectSpace.each_object(File) do |f|
opened_files_count_before += 1 unless f.closed?
end
file = File.open('/tmp/logger.log')
Logit.init(file)
Logit.init(file)
Logit.init(file)
opened_files_count_after = 0
ObjectSpace.each_object(File) do |f|
opened_files_count_after += 1 unless f.closed?
end
expect(opened_files_count_after).to eq(opened_files_count_before + 1)
end
end
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