Some repository refactors (#17950)

* some repository refactors

* remove unnecessary code

* Fix test

* Remove unnecessary banner

models/repo/star_test.go

@@ -0,0 +1,53 @@
+// Copyright 2017 The Gitea Authors. All rights reserved.
+// Use of this source code is governed by a MIT-style
+// license that can be found in the LICENSE file.
+
+package repo
+
+import (
+	"testing"
+
+	"code.gitea.io/gitea/models/db"
+	"code.gitea.io/gitea/models/unittest"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestStarRepo(t *testing.T) {
+	assert.NoError(t, unittest.PrepareTestDatabase())
+	const userID = 2
+	const repoID = 1
+	unittest.AssertNotExistsBean(t, &Star{UID: userID, RepoID: repoID})
+	assert.NoError(t, StarRepo(userID, repoID, true))
+	unittest.AssertExistsAndLoadBean(t, &Star{UID: userID, RepoID: repoID})
+	assert.NoError(t, StarRepo(userID, repoID, true))
+	unittest.AssertExistsAndLoadBean(t, &Star{UID: userID, RepoID: repoID})
+	assert.NoError(t, StarRepo(userID, repoID, false))
+	unittest.AssertNotExistsBean(t, &Star{UID: userID, RepoID: repoID})
+}
+
+func TestIsStaring(t *testing.T) {
+	assert.NoError(t, unittest.PrepareTestDatabase())
+	assert.True(t, IsStaring(2, 4))
+	assert.False(t, IsStaring(3, 4))
+}
+
+func TestRepository_GetStargazers(t *testing.T) {
+	// repo with stargazers
+	assert.NoError(t, unittest.PrepareTestDatabase())
+	repo := unittest.AssertExistsAndLoadBean(t, &Repository{ID: 4}).(*Repository)
+	gazers, err := GetStargazers(repo, db.ListOptions{Page: 0})
+	assert.NoError(t, err)
+	if assert.Len(t, gazers, 1) {
+		assert.Equal(t, int64(2), gazers[0].ID)
+	}
+}
+
+func TestRepository_GetStargazers2(t *testing.T) {
+	// repo with stargazers
+	assert.NoError(t, unittest.PrepareTestDatabase())
+	repo := unittest.AssertExistsAndLoadBean(t, &Repository{ID: 3}).(*Repository)
+	gazers, err := GetStargazers(repo, db.ListOptions{Page: 0})
+	assert.NoError(t, err)
+	assert.Len(t, gazers, 0)
+}