Add some tests

utils_test.go

@@ -1,8 +1,11 @@
 package util
 
 import (
+	"fmt"
 	"os"
 	"os/user"
+	"path/filepath"
+	"runtime"
 	"strings"
 	"testing"
 
@@ -17,11 +20,6 @@ func TestFileExistNot(t *testing.T) {
 	assert.True(t, !FileExists("Utils2.go"))
 }
 
-func TestGlobalConfigurationDirectory(t *testing.T) {
-	appFolder := GetGlobalConfigurationDirectory("myapp")
-	assert.NotEmpty(t, appFolder)
-}
-
 func TestJoiningSlash1(t *testing.T) {
 	actual := JoiningSlash("http://my.tld/docs/", "bla/", "blub/")
 	expected := "http://my.tld/docs/bla/blub/"
@@ -66,3 +64,27 @@ func TestIsSuperUser(t *testing.T) {
 	assert.NotNil(t, cuser)
 	assert.True(t, IsSuperUser())
 }
+
+func TestGlobalConfigurationDirectoryWindows(t *testing.T) {
+	if runtime.GOOS != "windows" {
+		t.Skip(fmt.Sprintf("Skipping on OS %s", runtime.GOOS))
+	}
+	appFolder := GetGlobalConfigurationDirectory("myapp")
+	assert.Equal(t, filepath.Join(os.Getenv("APPDATA"), "myapp"), appFolder)
+}
+
+func TestGlobalConfigurationDirectoryLinux(t *testing.T) {
+	if runtime.GOOS != "linux" {
+		t.Skip(fmt.Sprintf("Skipping on OS %s", runtime.GOOS))
+	}
+	appFolder := GetGlobalConfigurationDirectory("myapp")
+	assert.Equal(t, "/etc/myapp", appFolder)
+}
+
+func TestGlobalConfigurationDirectoryMacOS(t *testing.T) {
+	if runtime.GOOS != "darwin" {
+		t.Skip(fmt.Sprintf("Skipping on OS %s", runtime.GOOS))
+	}
+	appFolder := GetGlobalConfigurationDirectory("myapp")
+	assert.Equal(t, "/etc/myapp", appFolder)
+}