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63 lines
1.9 KiB
63 lines
1.9 KiB
// Copyright (c) 2023 The Jaeger Authors.
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// Copyright (c) 2017 Uber Technologies, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package rpcmetrics
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import (
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"testing"
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"github.com/stretchr/testify/assert"
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"github.com/jaegertracing/jaeger/internal/metricstest"
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)
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// E.g. tags("key", "value", "key", "value")
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func tags(kv ...string) map[string]string {
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m := make(map[string]string)
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for i := 0; i < len(kv)-1; i += 2 {
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m[kv[i]] = kv[i+1]
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}
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return m
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}
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func endpointTags(endpoint string, kv ...string) map[string]string {
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return tags(append([]string{"endpoint", endpoint}, kv...)...)
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}
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func TestMetricsByEndpoint(t *testing.T) {
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met := metricstest.NewFactory(0)
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mbe := newMetricsByEndpoint(met, DefaultNameNormalizer, 2)
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m1 := mbe.get("abc1")
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m2 := mbe.get("abc1") // from cache
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m2a := mbe.getWithWriteLock("abc1") // from cache in double-checked lock
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assert.Equal(t, m1, m2)
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assert.Equal(t, m1, m2a)
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m3 := mbe.get("abc3")
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m4 := mbe.get("overflow")
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m5 := mbe.get("overflow2")
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for _, m := range []*Metrics{m1, m2, m2a, m3, m4, m5} {
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m.RequestCountSuccess.Inc(1)
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}
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met.AssertCounterMetrics(t,
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metricstest.ExpectedMetric{Name: "requests", Tags: endpointTags("abc1", "error", "false"), Value: 3},
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metricstest.ExpectedMetric{Name: "requests", Tags: endpointTags("abc3", "error", "false"), Value: 1},
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metricstest.ExpectedMetric{Name: "requests", Tags: endpointTags("other", "error", "false"), Value: 2},
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)
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}
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