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// Copyright 2015 The Prometheus Authors
// 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 collector
import (
"os"
"strconv"
"testing"
)
func TestSockStats(t *testing.T) {
testSockStats(t, "fixtures/proc/net/sockstat")
testSockStats(t, "fixtures/proc/net/sockstat_rhe4")
}
func testSockStats(t *testing.T, fixture string) {
file, err := os.Open(fixture)
if err != nil {
t.Fatal(err)
}
defer file.Close()
sockStats, err := parseSockStats(file, fileName)
if err != nil {
t.Fatal(err)
}
if want, got := "229", sockStats["sockets"]["used"]; want != got {
t.Errorf("want sockstat sockets used %s, got %s", want, got)
}
if want, got := "4", sockStats["TCP"]["tw"]; want != got {
t.Errorf("want sockstat TCP tw %s, got %s", want, got)
}
if want, got := "17", sockStats["TCP"]["alloc"]; want != got {
t.Errorf("want sockstat TCP alloc %s, got %s", want, got)
}
// The test file has 1 for TCP mem, which is one page. So we should get the
// page size in bytes back from sockstat_linux. We get the page size from
// os here because this value can change from system to system. The value is
// 4096 by default from linux 2.4 onward.
if want, got := strconv.Itoa(os.Getpagesize()), sockStats["TCP"]["mem_bytes"]; want != got {
t.Errorf("want sockstat TCP mem_bytes %s, got %s", want, got)
}
}
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