feat: 接通 PostgreSQL 角色与数据库创建闭环

internal/database/adapter/postgresql/resources_test.go

@@ -0,0 +1,35 @@
+package postgresql
+
+import (
+	"errors"
+	"testing"
+
+	"git.ddupan.top/panxiao81/ayatori/internal/database/application"
+	"github.com/jackc/pgx/v5/pgconn"
+)
+
+func TestCreationErrorsDoNotExposeServerDetails(t *testing.T) {
+	for _, test := range []struct {
+		code string
+		want error
+	}{
+		{"42710", application.ErrResourceConflict},
+		{"42P04", application.ErrResourceConflict},
+		{"23505", application.ErrResourceConflict},
+		{"42501", application.ErrResourceUnavailable},
+		{"25006", application.ErrResourceUnavailable},
+		{"57014", application.ErrResourceUncertain},
+		{"XX000", application.ErrResourceUncertain},
+	} {
+		actual := creationError(&pgconn.PgError{Code: test.code, Message: "unsafe SQL and credential detail"})
+		if !errors.Is(actual, test.want) {
+			t.Fatalf("SQLSTATE %s 分类错误", test.code)
+		}
+		if actual.Error() != test.want.Error() {
+			t.Fatal("后端错误携带原始响应")
+		}
+	}
+	if !errors.Is(creationError(errors.New("connection lost after send")), application.ErrResourceUncertain) {
+		t.Fatal("未知网络结果不允许自动重试创建")
+	}
+}