Allow for testing with multithreading disabled

Author: oschulz

test/test_onprocs.jl

@@ -5,17 +5,16 @@ using ParallelProcessingTools
 
 using Distributed
 
-if length(workers()) < 2
-    addprocs(2, exename = ParallelProcessingTools.mtjulia_exe())
-end
-
 
-@testset "distexec" begin
+@testset "onprocs" begin
     @testset "worker-init" begin
+        if length(workers()) < 2
+            @test addprocs(2, exename = ParallelProcessingTools.mtjulia_exe()) == [2, 3]
+        end
         @test length(workers()) >= 2
     end
 
-    @testset "onprocs" begin
+    @testset "macro onprocs" begin
         @everywhere using ParallelProcessingTools, Base.Threads
 
         @test (@onprocs workers() myid()) == workers()

test/test_onthreads.jl

@@ -6,12 +6,12 @@ using ParallelProcessingTools
 using Base.Threads
 
 
-@testset "distexec" begin
-    @testset "threads-init" begin
-        @test nthreads() >= 2
+@testset "onthreads" begin
+    if nthreads() < 2
+        @warn "JULIA multithreading not enabled"
     end
 
-    @testset "onprocs" begin
+    @testset "macro onthreads" begin
         @test (begin
             tl = ThreadLocal(0)
             @onthreads allthreads() tl[] = threadid()