Damnit again

Former-commit-id: b394f26caf0df7d113ac4cc7dacc9c544af6897f

config/new_test.go

@@ -0,0 +1,40 @@
+package config
+
+import (
+	"os"
+	"testing"
+)
+
+func TestNew(t *testing.T) {
+	invalidEnv := "&&&&&&"
+	keys := []string{
+		"DB",
+		"DATABASE",
+		"ADDR",
+		"PATH",
+		"USER",
+		"USERNAME",
+		"PASS",
+		"PASSWORD",
+	}
+	was := make(map[string]string)
+	for _, k := range keys {
+		v, ok := os.LookupEnv(k)
+		if !ok {
+			v = invalidEnv
+		}
+		was[k] = v
+	}
+	defer func() {
+		for k, v := range was {
+			if v != invalidEnv {
+				os.Setenv(k, v)
+			} else {
+				os.Unsetenv(k)
+			}
+		}
+	}()
+	if err := New(); err != nil {
+		t.Fatal(err)
+	}
+}