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// Copyright © 2023 OpenIM. All rights reserved.
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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 prommetrics
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import (
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"testing"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/stretchr/testify/assert"
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)
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func TestNewGrpcPromObj(t *testing.T) {
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// Create a custom metric to pass into the NewGrpcPromObj function.
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customMetric := prometheus.NewCounter(prometheus.CounterOpts{
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Name: "test_metric",
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Help: "This is a test metric.",
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})
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cusMetrics := []prometheus.Collector{customMetric}
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// Call NewGrpcPromObj with the custom metrics.
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reg, grpcMetrics, err := NewGrpcPromObj(cusMetrics)
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// Assert no error was returned.
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assert.NoError(t, err)
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// Assert the registry was correctly initialized.
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assert.NotNil(t, reg)
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// Assert the grpcMetrics was correctly initialized.
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assert.NotNil(t, grpcMetrics)
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// Assert that the custom metric is registered.
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mfs, err := reg.Gather()
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assert.NoError(t, err)
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assert.NotEmpty(t, mfs) // Ensure some metrics are present.
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found := false
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for _, mf := range mfs {
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if *mf.Name == "test_metric" {
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found = true
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break
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}
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}
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assert.True(t, found, "Custom metric not found in registry")
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}
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//func TestGetGrpcCusMetrics(t *testing.T) {
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// conf := config2.NewGlobalConfig()
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//
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// config2.InitConfig(conf, "../../config")
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// // Test various cases based on the switch statement in the GetGrpcCusMetrics function.
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// testCases := []struct {
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// name string
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// expected int // The expected number of metrics for each case.
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// }{
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// {conf.RpcRegisterName.OpenImMessageGatewayName, 1},
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// }
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//
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// for _, tc := range testCases {
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// t.Run(tc.name, func(t *testing.T) {
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// metrics := GetGrpcCusMetrics(tc.name, &conf.RpcRegisterName)
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// assert.Len(t, metrics, tc.expected)
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// })
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// }
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//}
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