Allow specifying logger parameters in constructor

* lib/logger.rb: Allow specifying logger prameters such as level,
  progname, datetime_format, formatter in constructor [Bug #12224]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@54638 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 42 insertions, 0 deletions

diff --git a/test/logger/test_logger.rb b/test/logger/test_logger.rb
index 836d3b30f4..ce3952352c 100644
--- a/test/logger/test_logger.rb
+++ b/test/logger/test_logger.rb
@@ -166,6 +166,48 @@ class TestLogger < Test::Unit::TestCase
     assert_nil(logger.datetime_format)
   end
 
+  def test_initialize_with_level
+    # default
+    logger = Logger.new(STDERR)
+    assert_equal(Logger::DEBUG, logger.level)
+    # config
+    logger = Logger.new(STDERR, level: :info)
+    assert_equal(Logger::INFO, logger.level)
+  end
+
+  def test_initialize_with_progname
+    # default
+    logger = Logger.new(STDERR)
+    assert_equal(nil, logger.progname)
+    # config
+    logger = Logger.new(STDERR, progname: :progname)
+    assert_equal(:progname, logger.progname)
+  end
+
+  def test_initialize_with_formatter
+    # default
+    logger = Logger.new(STDERR)
+    log = log(logger, :info, "foo")
+    assert_equal("foo\n", log.msg)
+    # config
+    logger = Logger.new(STDERR, formatter: proc { |severity, timestamp, progname, msg|
+      "#{severity}:#{msg}\n\n"
+    })
+    line = log_raw(logger, :info, "foo")
+    assert_equal("INFO:foo\n\n", line)
+  end
+
+  def test_initialize_with_datetime_format
+    # default
+    logger = Logger.new(STDERR)
+    log = log_add(logger, INFO, "foo")
+    assert_match(/^\d\d\d\d-\d\d-\d\dT\d\d:\d\d:\d\d.\s*\d+ $/, log.datetime)
+    # config
+    logger = Logger.new(STDERR, datetime_format: "%d%b%Y@%H:%M:%S")
+    log = log_add(logger, INFO, "foo")
+    assert_match(/^\d\d\w\w\w\d\d\d\d@\d\d:\d\d:\d\d$/, log.datetime)
+  end
+
   def test_reopen
     logger = Logger.new(STDERR)
     logger.reopen(STDOUT)