snapshot of https://github.com/livekit/livekit.git @ 08c5433449c106943231037d0b892895f6e92d3b (2026-09-15)

pkg/routing/selector/sortby_test.go

@@ -0,0 +1,64 @@
+// Copyright 2023 LiveKit, Inc.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package selector_test
+
+import (
+	"testing"
+
+	"github.com/livekit/protocol/livekit"
+
+	"github.com/livekit/livekit-server/pkg/routing/selector"
+)
+
+func SortByTest(t *testing.T, sortBy string) {
+	sel := selector.SystemLoadSelector{SortBy: sortBy, Algorithm: "lowest"}
+	nodes := []*livekit.Node{nodeLoadLow, nodeLoadMedium, nodeLoadHigh}
+
+	for range 5 {
+		node, err := sel.SelectNode(nodes)
+		if err != nil {
+			t.Error(err)
+		}
+		if node != nodeLoadLow {
+			t.Error("selected the wrong node for SortBy:", sortBy)
+		}
+	}
+}
+
+func TestSortByErrors(t *testing.T) {
+	sel := selector.SystemLoadSelector{Algorithm: "lowest"}
+	nodes := []*livekit.Node{nodeLoadLow, nodeLoadMedium, nodeLoadHigh}
+
+	// Test unset sort by option error
+	_, err := sel.SelectNode(nodes)
+	if err != selector.ErrSortByNotSet {
+		t.Error("shouldn't allow empty sortBy")
+	}
+
+	// Test unknown sort by option error
+	sel.SortBy = "testFail"
+	_, err = sel.SelectNode(nodes)
+	if err != selector.ErrSortByUnknown {
+		t.Error("shouldn't allow unknown sortBy")
+	}
+}
+
+func TestSortBy(t *testing.T) {
+	sortByTests := []string{"sysload", "cpuload", "rooms", "clients", "tracks", "bytespersec"}
+
+	for _, sortBy := range sortByTests {
+		SortByTest(t, sortBy)
+	}
+}