// Copyright 2023 The Gitea Authors. All rights reserved.// SPDX-License-Identifier: MIT package setting import (	"os"	"regexp"	"testing" 	"github.com/stretchr/testify/assert"	"github.com/stretchr/testify/require") func TestDecodeEnvSectionKey(t *testing.T) {	ok, section, key := decodeEnvSectionKey("SEC__KEY")	assert.True(t, ok)	assert.Equal(t, "sec", section)	assert.Equal(t, "KEY", key) 	ok, section, key = decodeEnvSectionKey("sec__key")	assert.True(t, ok)	assert.Equal(t, "sec", section)	assert.Equal(t, "key", key) 	ok, section, key = decodeEnvSectionKey("LOG_0x2E_CONSOLE__STDERR")	assert.True(t, ok)	assert.Equal(t, "log.console", section)	assert.Equal(t, "STDERR", key) 	ok, section, key = decodeEnvSectionKey("SEC")	assert.False(t, ok)	assert.Empty(t, section)	assert.Empty(t, key)} func TestDecodeEnvironmentKey(t *testing.T) {	prefix := regexp.MustCompile(EnvConfigKeyPrefixGitea)	suffix := "__FILE" 	ok, section, key, file := decodeEnvironmentKey(prefix, suffix, "SEC__KEY")	assert.False(t, ok)	assert.Empty(t, section)	assert.Empty(t, key)	assert.False(t, file) 	ok, section, key, file = decodeEnvironmentKey(prefix, suffix, "GITEA__SEC")	assert.False(t, ok)	assert.Empty(t, section)	assert.Empty(t, key)	assert.False(t, file) 	ok, section, key, file = decodeEnvironmentKey(prefix, suffix, "GITEA____KEY")	assert.True(t, ok)	assert.Empty(t, section)	assert.Equal(t, "KEY", key)	assert.False(t, file) 	ok, section, key, file = decodeEnvironmentKey(prefix, suffix, "GITEA__SEC__KEY")	assert.True(t, ok)	assert.Equal(t, "sec", section)	assert.Equal(t, "KEY", key)	assert.False(t, file) 	ok, section, key, file = decodeEnvironmentKey(prefix, suffix, "FORGEJO__SEC__KEY")	assert.True(t, ok)	assert.Equal(t, "sec", section)	assert.Equal(t, "KEY", key)	assert.False(t, file) 	// with "__FILE" suffix, it doesn't support to write "[sec].FILE" to config (no such key FILE is used in Gitea)	// but it could be fixed in the future by adding a new suffix like "__VALUE" (no such key VALUE is used in Gitea either)	ok, section, key, file = decodeEnvironmentKey(prefix, suffix, "GITEA__SEC__FILE")	assert.False(t, ok)	assert.Empty(t, section)	assert.Empty(t, key)	assert.True(t, file) 	ok, section, key, file = decodeEnvironmentKey(prefix, suffix, "GITEA__SEC__KEY__FILE")	assert.True(t, ok)	assert.Equal(t, "sec", section)	assert.Equal(t, "KEY", key)	assert.True(t, file)} func TestEnvironmentToConfig(t *testing.T) {	cfg, _ := NewConfigProviderFromData("") 	changed := EnvironmentToConfig(cfg, nil)	assert.False(t, changed) 	cfg, err := NewConfigProviderFromData(`[sec]key = old`)	require.NoError(t, err) 	changed = EnvironmentToConfig(cfg, []string{"GITEA__sec__key=new"})	assert.True(t, changed)	assert.Equal(t, "new", cfg.Section("sec").Key("key").String()) 	changed = EnvironmentToConfig(cfg, []string{"GITEA__sec__key=new"})	assert.False(t, changed) 	tmpFile := t.TempDir() + "/the-file"	_ = os.WriteFile(tmpFile, []byte("value-from-file"), 0o644)	changed = EnvironmentToConfig(cfg, []string{"GITEA__sec__key__FILE=" + tmpFile})	assert.True(t, changed)	assert.Equal(t, "value-from-file", cfg.Section("sec").Key("key").String()) 	cfg, _ = NewConfigProviderFromData("")	_ = os.WriteFile(tmpFile, []byte("value-from-file\n"), 0o644)	EnvironmentToConfig(cfg, []string{"GITEA__sec__key__FILE=" + tmpFile})	assert.Equal(t, "value-from-file", cfg.Section("sec").Key("key").String()) 	cfg, _ = NewConfigProviderFromData("")	_ = os.WriteFile(tmpFile, []byte("value-from-file\r\n"), 0o644)	EnvironmentToConfig(cfg, []string{"GITEA__sec__key__FILE=" + tmpFile})	assert.Equal(t, "value-from-file", cfg.Section("sec").Key("key").String()) 	cfg, _ = NewConfigProviderFromData("")	_ = os.WriteFile(tmpFile, []byte("value-from-file\n\n"), 0o644)	EnvironmentToConfig(cfg, []string{"GITEA__sec__key__FILE=" + tmpFile})	assert.Equal(t, "value-from-file\n", cfg.Section("sec").Key("key").String())} func TestEnvironmentToConfigSubSecKey(t *testing.T) {	// the INI package has a quirk: by default, the keys are inherited.	// when maintaining the keys, the newly added sub key should not be affected by the parent key.	cfg, err := NewConfigProviderFromData(`[sec]key = some`)	require.NoError(t, err) 	changed := EnvironmentToConfig(cfg, []string{"GITEA__sec_0X2E_sub__key=some"})	assert.True(t, changed) 	tmpFile := t.TempDir() + "/test-sub-sec-key.ini"	defer os.Remove(tmpFile)	err = cfg.SaveTo(tmpFile)	require.NoError(t, err)	bs, err := os.ReadFile(tmpFile)	require.NoError(t, err)	assert.Equal(t, `[sec]key = some [sec.sub]key = some`, string(bs))}