1 files changed, 61 insertions, 0 deletions
diff --git a/modules/setting/oauth2_test.go b/modules/setting/oauth2_test.go
new file mode 100644
index 0000000..18252b2
--- /dev/null
+++ b/modules/setting/oauth2_test.go
@@ -0,0 +1,61 @@
+// Copyright 2024 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package setting
+
+import (
+	"os"
+	"testing"
+
+	"code.gitea.io/gitea/modules/generate"
+	"code.gitea.io/gitea/modules/test"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+)
+
+func TestGetGeneralSigningSecret(t *testing.T) {
+	// when there is no general signing secret, it should be generated, and keep the same value
+	generalSigningSecret.Store(nil)
+	s1 := GetGeneralTokenSigningSecret()
+	assert.NotNil(t, s1)
+	s2 := GetGeneralTokenSigningSecret()
+	assert.Equal(t, s1, s2)
+
+	// the config value should always override any pre-generated value
+	cfg, _ := NewConfigProviderFromData(`
+[oauth2]
+JWT_SECRET = BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB
+`)
+	defer test.MockVariableValue(&InstallLock, true)()
+	loadOAuth2From(cfg)
+	actual := GetGeneralTokenSigningSecret()
+	expected, _ := generate.DecodeJwtSecret("BBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBBB")
+	assert.Len(t, actual, 32)
+	assert.EqualValues(t, expected, actual)
+}
+
+func TestGetGeneralSigningSecretSave(t *testing.T) {
+	defer test.MockVariableValue(&InstallLock, true)()
+
+	old := GetGeneralTokenSigningSecret()
+	assert.Len(t, old, 32)
+
+	tmpFile := t.TempDir() + "/app.ini"
+	_ = os.WriteFile(tmpFile, nil, 0o644)
+	cfg, _ := NewConfigProviderFromFile(tmpFile)
+	loadOAuth2From(cfg)
+	generated := GetGeneralTokenSigningSecret()
+	assert.Len(t, generated, 32)
+	assert.NotEqual(t, old, generated)
+
+	generalSigningSecret.Store(nil)
+	cfg, _ = NewConfigProviderFromFile(tmpFile)
+	loadOAuth2From(cfg)
+	again := GetGeneralTokenSigningSecret()
+	assert.Equal(t, generated, again)
+
+	iniContent, err := os.ReadFile(tmpFile)
+	require.NoError(t, err)
+	assert.Contains(t, string(iniContent), "JWT_SECRET = ")
+}