Merge setting.InitXXX into one function with options (#24389)

This PR will merge 3 Init functions on setting packages as 1 and
introduce an options struct.

models/asymkey/main_test.go

@@ -8,14 +8,8 @@ import (
 	"testing"
 
 	"code.gitea.io/gitea/models/unittest"
-	"code.gitea.io/gitea/modules/setting"
 )
 
-func init() {
-	setting.SetCustomPathAndConf("", "", "")
-	setting.InitProviderAndLoadCommonSettingsForTest()
-}
-
 func TestMain(m *testing.M) {
 	unittest.MainTest(m, &unittest.TestOptions{
 		GiteaRootPath: filepath.Join("..", ".."),

models/dbfs/main_test.go

@@ -8,14 +8,8 @@ import (
 	"testing"
 
 	"code.gitea.io/gitea/models/unittest"
-	"code.gitea.io/gitea/modules/setting"
 )
 
-func init() {
-	setting.SetCustomPathAndConf("", "", "")
-	setting.InitProviderAndLoadCommonSettingsForTest()
-}
-
 func TestMain(m *testing.M) {
 	unittest.MainTest(m, &unittest.TestOptions{
 		GiteaRootPath: filepath.Join("..", ".."),

models/issues/main_test.go

@@ -9,7 +9,6 @@ import (
 
 	issues_model "code.gitea.io/gitea/models/issues"
 	"code.gitea.io/gitea/models/unittest"
-	"code.gitea.io/gitea/modules/setting"
 
 	_ "code.gitea.io/gitea/models"
 	_ "code.gitea.io/gitea/models/repo"
@@ -18,11 +17,6 @@ import (
 	"github.com/stretchr/testify/assert"
 )
 
-func init() {
-	setting.SetCustomPathAndConf("", "", "")
-	setting.InitProviderAndLoadCommonSettingsForTest()
-}
-
 func TestFixturesAreConsistent(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())
 	unittest.CheckConsistencyFor(t,

models/main_test.go

@@ -11,18 +11,12 @@ import (
 	repo_model "code.gitea.io/gitea/models/repo"
 	"code.gitea.io/gitea/models/unittest"
 	user_model "code.gitea.io/gitea/models/user"
-	"code.gitea.io/gitea/modules/setting"
 
 	_ "code.gitea.io/gitea/models/system"
 
 	"github.com/stretchr/testify/assert"
 )
 
-func init() {
-	setting.SetCustomPathAndConf("", "", "")
-	setting.InitProviderAndLoadCommonSettingsForTest()
-}
-
 // TestFixturesAreConsistent assert that test fixtures are consistent
 func TestFixturesAreConsistent(t *testing.T) {
 	assert.NoError(t, unittest.PrepareTestDatabase())

models/migrations/base/tests.go

@@ -150,7 +150,7 @@ func MainTest(m *testing.M) {
 	setting.AppDataPath = tmpDataPath
 
 	setting.SetCustomPathAndConf("", "", "")
-	setting.InitProviderAndLoadCommonSettingsForTest()
+	unittest.InitSettings()
 	if err = git.InitFull(context.Background()); err != nil {
 		fmt.Printf("Unable to InitFull: %v\n", err)
 		os.Exit(1)

models/unittest/testdb.go

@@ -6,12 +6,15 @@ package unittest
 import (
 	"context"
 	"fmt"
+	"log"
 	"os"
 	"path/filepath"
+	"strings"
 	"testing"
 
 	"code.gitea.io/gitea/models/db"
 	system_model "code.gitea.io/gitea/models/system"
+	"code.gitea.io/gitea/modules/auth/password/hash"
 	"code.gitea.io/gitea/modules/base"
 	"code.gitea.io/gitea/modules/git"
 	"code.gitea.io/gitea/modules/setting"
@@ -39,6 +42,22 @@ func fatalTestError(fmtStr string, args ...interface{}) {
 	os.Exit(1)
 }
 
+// InitSettings initializes config provider and load common setttings for tests
+func InitSettings(extraConfigs ...string) {
+	setting.Init(&setting.Options{
+		AllowEmpty:  true,
+		ExtraConfig: strings.Join(extraConfigs, "\n"),
+	})
+
+	if err := setting.PrepareAppDataPath(); err != nil {
+		log.Fatalf("Can not prepare APP_DATA_PATH: %v", err)
+	}
+	// register the dummy hash algorithm function used in the test fixtures
+	_ = hash.Register("dummy", hash.NewDummyHasher)
+
+	setting.PasswordHashAlgo, _ = hash.SetDefaultPasswordHashAlgorithm("dummy")
+}
+
 // TestOptions represents test options
 type TestOptions struct {
 	GiteaRootPath string
@@ -50,6 +69,9 @@ type TestOptions struct {
 // MainTest a reusable TestMain(..) function for unit tests that need to use a
 // test database. Creates the test database, and sets necessary settings.
 func MainTest(m *testing.M, testOpts *TestOptions) {
+	setting.SetCustomPathAndConf("", "", "")
+	InitSettings()
+
 	var err error
 
 	giteaRoot = testOpts.GiteaRootPath