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// Copyright (c) 2021 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package prometheus
import (
"io/ioutil"
"net"
"os"
"path"
"testing"
"time"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
func TestListenErrorCallsOnRegisterError(t *testing.T) {
// Ensure that Listen error calls default OnRegisterError to panic
listener, err := net.Listen("tcp", "127.0.0.1:0")
require.NoError(t, err)
defer func() { _ = listener.Close() }()
assert.NotPanics(t, func() {
cfg := Configuration{
ListenAddress: listener.Addr().String(),
OnError: "log",
}
_, _ = cfg.NewReporter(ConfigurationOptions{})
time.Sleep(time.Second)
})
}
func TestUnixDomainSocketListener(t *testing.T) {
dir, err := ioutil.TempDir("", "tally-test-prometheus")
require.NoError(t, err)
defer os.RemoveAll(dir)
uds := path.Join(dir, "test-metrics.sock")
cfg := Configuration{ListenNetwork: "unix", ListenAddress: uds}
_, _ = cfg.NewReporter(ConfigurationOptions{})
time.Sleep(time.Second)
_, err = os.Stat(uds)
require.NoError(t, err)
require.NoError(t, os.Remove(uds))
}
func TestTcpListener(t *testing.T) {
cases := map[string]Configuration{
"127.0.0.1:0": {ListenAddress: "127.0.0.1:0"},
"tcp://127.0.0.1:0": {ListenNetwork: "tcp", ListenAddress: "127.0.0.1:0"},
"tcp4://127.0.0.1:0": {ListenNetwork: "tcp4", ListenAddress: "127.0.0.1:0"},
}
for cn, cc := range cases {
t.Run(cn, func(t *testing.T) {
assert.NotPanics(t, func() {
_, _ = cc.NewReporter(ConfigurationOptions{})
time.Sleep(time.Second)
})
})
}
}
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