Environment variables fetching

Author: denis256

xenv/xcollection_test.go

@@ -0,0 +1,13 @@
+package xenv
+
+import (
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+func TestFetchingCurrentUser(t *testing.T) {
+
+	user := Env("USER", "")
+
+	assert.NotEmpty(t, user)
+}

xenv/xenv.go

@@ -0,0 +1,12 @@
+package xenv
+
+import "os"
+
+// Env - get environment variable value or default value if missing.
+func Env(name string, def string) string {
+	v := os.Getenv(name)
+	if v == "" {
+		return def
+	}
+	return v
+}