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Open-IM-Server/pkg/common/prommetrics/prommetrics_test.go

76 lines
2.2 KiB

// Copyright © 2023 OpenIM. All rights reserved.
//
// 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 prommetrics
import (
"testing"
"github.com/prometheus/client_golang/prometheus"
"github.com/stretchr/testify/assert"
config2 "github.com/openimsdk/open-im-server/v3/pkg/common/config"
)
func TestNewGrpcPromObj(t *testing.T) {
// Create a custom metric to pass into the NewGrpcPromObj function.
customMetric := prometheus.NewCounter(prometheus.CounterOpts{
Name: "test_metric",
Help: "This is a test metric.",
})
cusMetrics := []prometheus.Collector{customMetric}
// Call NewGrpcPromObj with the custom metrics.
reg, grpcMetrics, err := NewGrpcPromObj(cusMetrics)
// Assert no error was returned.
assert.NoError(t, err)
// Assert the registry was correctly initialized.
assert.NotNil(t, reg)
// Assert the grpcMetrics was correctly initialized.
assert.NotNil(t, grpcMetrics)
// Assert that the custom metric is registered.
mfs, err := reg.Gather()
assert.NoError(t, err)
assert.NotEmpty(t, mfs) // Ensure some metrics are present.
found := false
for _, mf := range mfs {
if *mf.Name == "test_metric" {
found = true
break
}
}
assert.True(t, found, "Custom metric not found in registry")
}
func TestGetGrpcCusMetrics(t *testing.T) {
// Test various cases based on the switch statement in the GetGrpcCusMetrics function.
testCases := []struct {
name string
expected int // The expected number of metrics for each case.
}{
{config2.Config.RpcRegisterName.OpenImMessageGatewayName, 1},
}
for _, tc := range testCases {
t.Run(tc.name, func(t *testing.T) {
metrics := GetGrpcCusMetrics(tc.name)
assert.Len(t, metrics, tc.expected)
})
}
}