// Copyright 2022 The Gitea Authors. All rights reserved.// SPDX-License-Identifier: MIT package util import (	"testing" 	"github.com/stretchr/testify/assert") func TestToSnakeCase(t *testing.T) {	cases := map[string]string{		// all old cases from the legacy package		"HTTPServer":         "http_server",		"_camelCase":         "_camel_case",		"NoHTTPS":            "no_https",		"Wi_thF":             "wi_th_f",		"_AnotherTES_TCaseP": "_another_tes_t_case_p",		"ALL":                "all",		"_HELLO_WORLD_":      "_hello_world_",		"HELLO_WORLD":        "hello_world",		"HELLO____WORLD":     "hello____world",		"TW":                 "tw",		"_C":                 "_c", 		"  sentence case  ": "__sentence_case__",		" Mixed-hyphen case _and SENTENCE_case and UPPER-case": "_mixed_hyphen_case__and_sentence_case_and_upper_case", 		// new cases		" ":        "_",		"A":        "a",		"A0":       "a0",		"a0":       "a0",		"Aa0":      "aa0",		"啊":        "啊",		"A啊":       "a啊",		"Aa啊b":     "aa啊b",		"A啊B":      "a啊_b",		"Aa啊B":     "aa啊_b",		"TheCase2": "the_case2",		"ObjIDs":   "obj_i_ds", // the strange database column name which already exists	}	for input, expected := range cases {		assert.Equal(t, expected, ToSnakeCase(input))	}}