feat: complete contract-driven business development and MySQL integration

logx/adapters_test.go

@@ -0,0 +1,33 @@
+package logx
+
+import (
+	"bytes"
+	"log/slog"
+	"os"
+	"path/filepath"
+	"strings"
+	"testing"
+)
+
+func TestValidateBeforeOpeningWriter(t *testing.T) {
+	p := filepath.Join(t.TempDir(), "must-not-exist.log")
+	for _, cfg := range []Config{{File: p, Format: "typo"}, {File: p, Level: "typo"}, {File: p, Output: "typo"}} {
+		if cfg.Validate() == nil {
+			t.Fatal("invalid configuration accepted")
+		}
+		if _, err := New(cfg); err == nil {
+			t.Fatal("invalid logger created")
+		}
+		if _, err := os.Stat(p); !os.IsNotExist(err) {
+			t.Fatal("validation touched filesystem", err)
+		}
+	}
+}
+func TestStandardLoggerUsesBorrowedInstance(t *testing.T) {
+	var out bytes.Buffer
+	l, _ := New(Config{Writer: &out})
+	l.Standard(slog.LevelWarn).Print("driver diagnostic")
+	if !strings.Contains(out.String(), `"level":"WARN"`) || !strings.Contains(out.String(), "driver diagnostic") {
+		t.Fatal(out.String())
+	}
+}