Merge pull request JuliaLang#7846 from tkelman/test-defaults

RFC: make running the test suite slightly easier

base/interactiveutil.jl

@@ -346,3 +346,13 @@ function workspace()
     empty!(package_locks)
     nothing
 end
+
+function runtests(tests = ["all"], numcores = iceil(CPU_CORES/2))
+    if isa(tests,String)
+        tests = split(tests)
+    end
+    ENV2 = copy(ENV)
+    ENV2["JULIA_CPU_CORES"] = "$numcores"
+    run(setenv(`$JULIA_HOME/julia $(joinpath(JULIA_HOME,"..","share","julia",
+        "test","runtests.jl")) $tests`, ENV2))
+end

test/runtests.jl

@@ -15,7 +15,7 @@ testnames = [
 # parallel tests depend on other workers - do them last
 push!(testnames, "parallel")
 
-tests = ARGS==["all"] ? testnames : ARGS
+tests = (ARGS==["all"] || isempty(ARGS)) ? testnames : ARGS
 
 if "linalg" in tests
     # specifically selected case
@@ -32,18 +32,20 @@ catch
     net_on = false
 end
 
-n = 1
-if net_on 
-    n = min(8, CPU_CORES, length(tests))
-    n > 1  && addprocs(n; exeflags=`--check-bounds=yes`)
-    blas_set_num_threads(1)
-else
-    filter!(x -> !(x in net_required_for), tests)
-end
+cd(dirname(@__FILE__)) do
+    n = 1
+    if net_on 
+        n = min(8, CPU_CORES, length(tests))
+        n > 1 && addprocs(n; exeflags=`--check-bounds=yes`)
+        blas_set_num_threads(1)
+    else
+        filter!(x -> !(x in net_required_for), tests)
+    end
 
-@everywhere include("testdefs.jl")
+    @everywhere include("testdefs.jl")
 
-reduce(propagate_errors, nothing, pmap(runtests, tests; err_retry=false, err_stop=true))
+    reduce(propagate_errors, nothing, pmap(runtests, tests; err_retry=false, err_stop=true))
 
-@unix_only n > 1 && rmprocs(workers(), waitfor=5.0)
-println("    \033[32;1mSUCCESS\033[0m")
+    @unix_only n > 1 && rmprocs(workers(), waitfor=5.0)
+    println("    \033[32;1mSUCCESS\033[0m")
+end