test: Add search topic testing.

models/fixtures/repo_topic.yml

@@ -9,3 +9,7 @@
 -
   repo_id: 1
   topic_id: 3
+
+-
+  repo_id: 2
+  topic_id: 2

models/repo_list.go

@@ -251,11 +251,11 @@ func SearchRepositoryByName(opts *SearchRepoOptions) (RepositoryList, int64, err
 	}
 
 	if opts.Keyword != "" {
-		sess = sess.Select("repository.*")
-		sess = sess.GroupBy("repository.id")
-		sess = sess.OrderBy("repository." + opts.OrderBy.String())
+		sess.Select("repository.*")
+		sess.GroupBy("repository.id")
+		sess.OrderBy("repository." + opts.OrderBy.String())
 	} else {
-		sess = sess.OrderBy(opts.OrderBy.String())
+		sess.OrderBy(opts.OrderBy.String())
 	}
 
 	repos := make(RepositoryList, 0, opts.PageSize)

models/repo_list_test.go

@@ -222,3 +222,28 @@ func TestSearchRepositoryByName(t *testing.T) {
 		})
 	}
 }
+
+func TestSearchRepositoryByTopicName(t *testing.T) {
+	assert.NoError(t, PrepareTestDatabase())
+
+	testCases := []struct {
+		name  string
+		opts  *SearchRepoOptions
+		count int
+	}{
+		{name: "AllPublic/SearchPublicRepositoriesFromTopic",
+			opts:  &SearchRepoOptions{OwnerID: 2, AllPublic: true, Keyword: "golang"},
+			count: 1},
+		{name: "AllPublic/SearchPrivareRepositoriesFromTopic",
+			opts:  &SearchRepoOptions{OwnerID: 2, AllPublic: true, Keyword: "database", Private: true},
+			count: 2},
+	}
+
+	for _, testCase := range testCases {
+		t.Run(testCase.name, func(t *testing.T) {
+			_, count, err := SearchRepositoryByName(testCase.opts)
+			assert.NoError(t, err)
+			assert.Equal(t, int64(testCase.count), count)
+		})
+	}
+}