1 files changed, 81 insertions, 0 deletions
diff --git a/tests/integration/repo_topic_test.go b/tests/integration/repo_topic_test.go
new file mode 100644
index 0000000..f5778a2
--- /dev/null
+++ b/tests/integration/repo_topic_test.go
@@ -0,0 +1,81 @@
+// Copyright 2022 The Gitea Authors. All rights reserved.
+// Copyright 2024 The Forgejo Authors c/o Codeberg e.V.. All rights reserved.
+// SPDX-License-Identifier: MIT
+
+package integration
+
+import (
+	"net/http"
+	"net/url"
+	"testing"
+
+	auth_model "code.gitea.io/gitea/models/auth"
+	repo_model "code.gitea.io/gitea/models/repo"
+	"code.gitea.io/gitea/models/unittest"
+	user_model "code.gitea.io/gitea/models/user"
+	api "code.gitea.io/gitea/modules/structs"
+	"code.gitea.io/gitea/tests"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestTopicSearch(t *testing.T) {
+	defer tests.PrepareTestEnv(t)()
+	searchURL, _ := url.Parse("/explore/topics/search")
+	var topics struct {
+		TopicNames []*api.TopicResponse `json:"topics"`
+	}
+
+	query := url.Values{"page": []string{"1"}, "limit": []string{"4"}}
+
+	searchURL.RawQuery = query.Encode()
+	res := MakeRequest(t, NewRequest(t, "GET", searchURL.String()), http.StatusOK)
+	DecodeJSON(t, res, &topics)
+	assert.Len(t, topics.TopicNames, 4)
+	assert.EqualValues(t, "6", res.Header().Get("x-total-count"))
+
+	query.Add("q", "topic")
+	searchURL.RawQuery = query.Encode()
+	res = MakeRequest(t, NewRequest(t, "GET", searchURL.String()), http.StatusOK)
+	DecodeJSON(t, res, &topics)
+	assert.Len(t, topics.TopicNames, 2)
+
+	query.Set("q", "database")
+	searchURL.RawQuery = query.Encode()
+	res = MakeRequest(t, NewRequest(t, "GET", searchURL.String()), http.StatusOK)
+	DecodeJSON(t, res, &topics)
+	if assert.Len(t, topics.TopicNames, 1) {
+		assert.EqualValues(t, 2, topics.TopicNames[0].ID)
+		assert.EqualValues(t, "database", topics.TopicNames[0].Name)
+		assert.EqualValues(t, 1, topics.TopicNames[0].RepoCount)
+	}
+}
+
+func TestTopicSearchPaging(t *testing.T) {
+	defer tests.PrepareTestEnv(t)()
+	var topics struct {
+		TopicNames []*api.TopicResponse `json:"topics"`
+	}
+
+	// Add 20 unique topics to user2/repo2, and 20 unique ones to user2/repo3
+	user2 := unittest.AssertExistsAndLoadBean(t, &user_model.User{ID: 2})
+	token2 := getUserToken(t, user2.Name, auth_model.AccessTokenScopeWriteRepository)
+	repo2 := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: 1})
+	repo3 := unittest.AssertExistsAndLoadBean(t, &repo_model.Repository{ID: 2})
+	for i := 0; i < 20; i++ {
+		req := NewRequestf(t, "PUT", "/api/v1/repos/%s/%s/topics/paging-topic-%d", user2.Name, repo2.Name, i).
+			AddTokenAuth(token2)
+		MakeRequest(t, req, http.StatusNoContent)
+		req = NewRequestf(t, "PUT", "/api/v1/repos/%s/%s/topics/paging-topic-%d", user2.Name, repo3.Name, i+30).
+			AddTokenAuth(token2)
+		MakeRequest(t, req, http.StatusNoContent)
+	}
+
+	res := MakeRequest(t, NewRequest(t, "GET", "/explore/topics/search"), http.StatusOK)
+	DecodeJSON(t, res, &topics)
+	assert.Len(t, topics.TopicNames, 30)
+
+	res = MakeRequest(t, NewRequest(t, "GET", "/explore/topics/search?page=2"), http.StatusOK)
+	DecodeJSON(t, res, &topics)
+	assert.NotEmpty(t, topics.TopicNames)
+}