database: initial import for dsn parsing

Signed-off-by: Vasiliy Tolstov <v.tolstov@unistack.org>

database/dsn_test.go

@@ -0,0 +1,15 @@
+package database
+
+import (
+	"testing"
+)
+
+func TestParseDSN(t *testing.T) {
+	cfg, err := ParseDSN("postgres://username:p@ssword#@host:12345/dbname?key1=val2&key2=val2")
+	if err != nil {
+		t.Fatal(err)
+	}
+	if cfg.Password != "p@ssword#" {
+		t.Fatalf("parsing error")
+	}
+}