1 files changed, 76 insertions, 0 deletions
diff --git a/modules/repository/repo_test.go b/modules/repository/repo_test.go
new file mode 100644
index 00000000..f3e7be6d
--- /dev/null
+++ b/modules/repository/repo_test.go
@@ -0,0 +1,76 @@
+// Copyright 2024 The Gitea Authors. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package repository
+
+import (
+	"testing"
+
+	"code.gitea.io/gitea/modules/git"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func Test_calcSync(t *testing.T) {
+	gitTags := []*git.Tag{
+		/*{
+			Name: "v0.1.0-beta", //deleted tag
+			Object: git.MustIDFromString(""),
+		},
+		{
+			Name: "v0.1.1-beta", //deleted tag but release should not be deleted because it's a release
+			Object: git.MustIDFromString(""),
+		},
+		*/
+		{
+			Name:   "v1.0.0", // keep as before
+			Object: git.MustIDFromString("1006e6e13c73ad3d9e2d5682ad266b5016523485"),
+		},
+		{
+			Name:   "v1.1.0", // retagged with new commit id
+			Object: git.MustIDFromString("bbdb7df30248e7d4a26a909c8d2598a152e13868"),
+		},
+		{
+			Name:   "v1.2.0", // new tag
+			Object: git.MustIDFromString("a5147145e2f24d89fd6d2a87826384cc1d253267"),
+		},
+	}
+
+	dbReleases := []*shortRelease{
+		{
+			ID:      1,
+			TagName: "v0.1.0-beta",
+			Sha1:    "244758d7da8dd1d9e0727e8cb7704ed4ba9a17c3",
+			IsTag:   true,
+		},
+		{
+			ID:      2,
+			TagName: "v0.1.1-beta",
+			Sha1:    "244758d7da8dd1d9e0727e8cb7704ed4ba9a17c3",
+			IsTag:   false,
+		},
+		{
+			ID:      3,
+			TagName: "v1.0.0",
+			Sha1:    "1006e6e13c73ad3d9e2d5682ad266b5016523485",
+		},
+		{
+			ID:      4,
+			TagName: "v1.1.0",
+			Sha1:    "53ab18dcecf4152b58328d1f47429510eb414d50",
+		},
+	}
+
+	inserts, deletes, updates := calcSync(gitTags, dbReleases)
+	if assert.Len(t, inserts, 1, "inserts") {
+		assert.EqualValues(t, *gitTags[2], *inserts[0], "inserts equal")
+	}
+
+	if assert.Len(t, deletes, 1, "deletes") {
+		assert.EqualValues(t, 1, deletes[0], "deletes equal")
+	}
+
+	if assert.Len(t, updates, 1, "updates") {
+		assert.EqualValues(t, *gitTags[1], *updates[0], "updates equal")
+	}
+}