README update for sonarcloud badges, simplify some test code, fixed some sonarlint issues

src/utils/testing.go

@@ -0,0 +1,46 @@
+package utils
+
+import (
+	"reflect"
+	"testing"
+
+	E "github.com/yusing/go-proxy/error"
+)
+
+func ExpectErrNil(t *testing.T, err E.NestedError) {
+	t.Helper()
+	if err.IsNotNil() {
+		t.Errorf("expected err=nil, got %s", err.Error())
+	}
+}
+
+func ExpectEqual(t *testing.T, got, want any) {
+	t.Helper()
+	if !reflect.DeepEqual(got, want) {
+		t.Errorf("expected:\n%v, got\n%v", want, got)
+	}
+}
+
+func ExpectTrue(t *testing.T, got bool) {
+	t.Helper()
+	if !got {
+		t.Errorf("expected true, got false")
+	}
+}
+
+func ExpectFalse(t *testing.T, got bool) {
+	t.Helper()
+	if got {
+		t.Errorf("expected false, got true")
+	}
+}
+
+func ExpectType[T any](t *testing.T, got any) T {
+	t.Helper()
+	tExpect := reflect.TypeFor[T]()
+	_, ok := got.(T)
+	if !ok {
+		t.Errorf("expected type %T, got %T", tExpect, got)
+	}
+	return got.(T)
+}