Windows: Updates Windows Vendoring

Updates windows dependent libraries for vendoing.

vendor/github.com/Microsoft/hcsshim/pkg/go-runhcs/runhcs_test.go

@@ -0,0 +1,68 @@
+package runhcs
+
+import (
+	"os"
+	"path/filepath"
+	"sync/atomic"
+	"testing"
+)
+
+func resetRunhcsPath() {
+	runhcsPath = atomic.Value{}
+}
+
+func TestGetCommandPath_NoLookPath(t *testing.T) {
+	resetRunhcsPath()
+
+	path := getCommandPath()
+	if path != "runhcs.exe" {
+		t.Fatalf("expected path 'runhcs.exe' got '%s'", path)
+	}
+	pathi := runhcsPath.Load()
+	if pathi == nil {
+		t.Fatal("cache state should be set after first query")
+	}
+	if path != pathi.(string) {
+		t.Fatalf("expected: '%s' in cache got '%s'", path, pathi.(string))
+	}
+}
+
+func TestGetCommandPath_WithLookPath(t *testing.T) {
+	resetRunhcsPath()
+
+	wd, err := os.Getwd()
+	if err != nil {
+		t.Fatalf("failed to get cwd with err: %v", err)
+	}
+	fakePath := filepath.Join(wd, "runhcs.exe")
+	f, err := os.Create(fakePath)
+	if err != nil {
+		t.Fatalf("failed to create fake runhcs.exe in path with err: %v", err)
+	}
+	f.Close()
+	defer os.Remove(fakePath)
+
+	path := getCommandPath()
+	if path != fakePath {
+		t.Fatalf("expected fake path '%s' got '%s'", fakePath, path)
+	}
+	pathi := runhcsPath.Load()
+	if pathi == nil {
+		t.Fatal("cache state should be set after first query")
+	}
+	if path != pathi.(string) {
+		t.Fatalf("expected: '%s' in cache got '%s'", fakePath, pathi.(string))
+	}
+}
+
+func TestGetCommandPath_WithCache(t *testing.T) {
+	resetRunhcsPath()
+
+	value := "this is a test"
+	runhcsPath.Store(value)
+
+	path := getCommandPath()
+	if path != value {
+		t.Fatalf("expected fake cached path: '%s' got '%s'", value, path)
+	}
+}