context("logger")
test_that(".multilog_setup", {
  expect_null(DataPackageR:::.multilog_setup(file.path(tempdir(), "test.log")))
})
test_that(".multilog_threshold", {
  expect_null(DataPackageR:::.multilog_thresold(INFO, TRACE))
})
test_that(".multilog_info", {
  expect_output(DataPackageR:::.multilog_info("message"), "INFO .* message")
  expect_true(file_test("-f", file.path(tempdir(), "test.log")))
})
test_that(".multilog_error", {
  expect_output(DataPackageR:::.multilog_error("message"), "ERROR .* message")
})
test_that(".multilog_trace", {
  expect_silent(DataPackageR:::.multilog_trace("message"))
  expect_true(length(grep(pattern = "TRACE",
                          readLines(file.path(tempdir(),
                                              "test.log")))) > 0)
})
test_that(".multilog_warn", {
  expect_output(DataPackageR:::.multilog_warn("message"), "WARN")
})
test_that(".multilog_debug", {
  expect_silent(DataPackageR:::.multilog_debug("message"))
  expect_true(length(grep(pattern = "DEBUG",
                          readLines(file.path(tempdir(), 
                                              "test.log")))) > 0)
})