print errors to STDERR

Author: SimonDanisch

src/error_handling.jl

@@ -60,7 +60,7 @@ Handles a list of thrown errors after no IO library was found working
 function handle_exceptions(exceptions::Vector, action)
     # first show all errors when there are more then one
     multiple = length(exceptions) > 1
-    println("Error$(multiple?"s" : "") encountered while $action.")
+    println(STDERR, "Error$(multiple?"s" : "") encountered while $action.")
     if multiple
         println("All errors:")
         for (err, file) in exceptions
@@ -70,7 +70,7 @@ function handle_exceptions(exceptions::Vector, action)
     # then handle all errors.
     # this way first fatal exception throws and user can still see all errors
     # TODO, don't throw, if it contains a NotInstalledError?!
-    println("Fatal error:")
+    println(STDERR, "Fatal error:")
     for exception in exceptions
         continue_ = handle_error(exception...)
         continue_ || break

test/error_handling.jl

@@ -41,6 +41,7 @@ add_format(format"BROKEN", (), ".brok", [:BrokenIO])
     @test_throws FileIO.LoaderError load(Stream(format"BROKEN",STDIN))
     @test_throws FileIO.WriterError save(Stream(format"BROKEN",STDOUT))
     redirect_stderr(stderr_copy)
+    close(rserr);close(wrerr)
 end
 
 module MultiError1
@@ -62,4 +63,4 @@ end
     )
     ret = @test_throws ErrorException load("test.multierr")
     #@test ret.value.msg == "1" # this is 0.5 only
-end
+end

test/runtests.jl

@@ -5,6 +5,7 @@ else
     using BaseTestNext
     const Test = BaseTestNext
 end
+
 @testset "FileIO" begin
 	include("query.jl")
 	include("loadsave.jl")