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// Copyright (c) 2023 The Jaeger Authors.
// Copyright (c) 2017 Uber Technologies, 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 rpcmetrics
import (
"testing"
"github.com/stretchr/testify/assert"
)
func TestNormalizedEndpoints(t *testing.T) {
n := newNormalizedEndpoints(1, DefaultNameNormalizer)
assertLen := func(l int) {
n.mux.RLock()
defer n.mux.RUnlock()
assert.Len(t, n.names, l)
}
assert.Equal(t, "ab_cd", n.normalize("ab^cd"), "one translation")
assert.Equal(t, "ab_cd", n.normalize("ab^cd"), "cache hit")
assertLen(1)
assert.Equal(t, "", n.normalize("xys"), "cache overflow")
assertLen(1)
}
func TestNormalizedEndpointsDoubleLocking(t *testing.T) {
n := newNormalizedEndpoints(1, DefaultNameNormalizer)
assert.Equal(t, "ab_cd", n.normalize("ab^cd"), "fill out the cache")
assert.Equal(t, "", n.normalizeWithLock("xys"), "cache overflow")
}