go(run): add flags to allow algorithm selection

* jDE runs by default
* errors out if none of the algorithms is chosen
* also increase test timeout

run.go

@@ -19,24 +19,43 @@ func run() {
 
 	doPrint := flag.Bool("printreport", true, "print report.tex to console")
 	generate := flag.Bool("generate", true, "run algos and generate plot pics/statistical tables (anew)")
+	rS := flag.Bool("randomsearch", false, "run Random Search algorithm")
+	sHC := flag.Bool("shc", false, "run Stochastic Hill Climbing algorithm")
+	N100 := flag.Bool("N100", false, "run the \"100 Neighbours\" variant of SHC")
+	// run jDE by default.
+	jDE := flag.Bool("jde", true, "run Differential Evolution algorithm with parameter self adaptation")
 	// TODO(me): add flag for plot output format: -plotout=(svg,eps,pdf)
 	flag.Parse()
 
 	if *generate {
-		// atm we're only doing Random search and SHC
-		// algoCount := 2
-		algoCount := 1
+		if !*jDE && !*sHC && !*rS {
+			log.Fatalln("at least one algo needs to be specified, exiting...")
+		}
 
 		var wg sync.WaitGroup
 
-		wg.Add(algoCount)
-
 		var m sync.Mutex
 
-		// go algo.DoRandomSearch(&wg, &m)
-		// go algo.DoStochasticHillClimbing(&wg, &m)
-		// // go algo.DoStochasticHillClimbing100Neigh(&wg, &m)
-		go algo.DojDE(&wg, &m)
+		switch {
+		case *jDE:
+			wg.Add(1)
+
+			go algo.DojDE(&wg, &m)
+
+		case *rS:
+			wg.Add(1)
+
+			go algo.DoRandomSearch(&wg, &m)
+
+		case *sHC:
+			wg.Add(1)
+
+			if *N100 {
+				go algo.DoStochasticHillClimbing100Neigh(&wg, &m)
+			} else {
+				go algo.DoStochasticHillClimbing(&wg, &m)
+			}
+		}
 
 		wg.Wait()
 

run_test.go

@@ -3,9 +3,21 @@
 
 package main
 
-import "testing"
+import (
+	"flag"
+	"testing"
+)
 
 func TestRun(t *testing.T) {
 	t.Log("call run() (TODO: improve this test)")
+
+	timeout := "1m10s"
+
+	t.Log("increase test timeout to", timeout)
+
+	if err := flag.Set("test.timeout", timeout); err != nil {
+		t.Errorf("failed to set timeout to %s", timeout)
+	}
+
 	run()
 }