youtubebeat/vendor/github.com/elastic/beats/metricbeat/module/envoyproxy/server/server_test.go

143 lines
4.6 KiB
Go

// Licensed to Elasticsearch B.V. under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. Elasticsearch B.V. licenses this file to you 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 server
import (
"io/ioutil"
"net/http"
"net/http/httptest"
"path/filepath"
"testing"
"time"
"github.com/elastic/beats/libbeat/common"
mbtest "github.com/elastic/beats/metricbeat/mb/testing"
"github.com/stretchr/testify/assert"
)
const testFile = "../_meta/test/serverstats"
func TestEventMapping(t *testing.T) {
content, err := ioutil.ReadFile("../_meta/test/serverstats")
assert.NoError(t, err)
event, err := eventMapping(content)
assert.NoError(t, err, "error mapping "+testFile)
assert.Len(t, event, 7, "got wrong number of event")
clusterManager := event["cluster_manager"].(common.MapStr)
assert.Equal(t, int64(1), clusterManager["active_clusters"])
assert.Equal(t, int64(1), clusterManager["cluster_added"])
assert.Equal(t, int64(0), clusterManager["cluster_modified"])
assert.Equal(t, int64(0), clusterManager["cluster_removed"])
assert.Equal(t, int64(0), clusterManager["warming_clusters"])
fileSystem := event["filesystem"].(common.MapStr)
assert.Equal(t, int64(389), fileSystem["flushed_by_timer"])
assert.Equal(t, int64(0), fileSystem["reopen_failed"])
assert.Equal(t, int64(44), fileSystem["write_buffered"])
assert.Equal(t, int64(43), fileSystem["write_completed"])
assert.Equal(t, int64(0), fileSystem["write_total_buffered"])
server := event["server"].(common.MapStr)
assert.Equal(t, int64(2147483647), server["days_until_first_cert_expiring"])
assert.Equal(t, int64(1), server["live"])
assert.Equal(t, int64(3120760), server["memory_allocated"])
assert.Equal(t, int64(4194304), server["memory_heap_size"])
assert.Equal(t, int64(0), server["parent_connections"])
assert.Equal(t, int64(0), server["total_connections"])
assert.Equal(t, int64(5025), server["uptime"])
assert.Equal(t, int64(16364036), server["version"])
assert.Equal(t, int64(4), server["watchdog_mega_miss"])
assert.Equal(t, int64(4), server["watchdog_miss"])
stats := event["stats"].(common.MapStr)
assert.Equal(t, int64(0), stats["overflow"])
}
func TestFetchEventContent(t *testing.T) {
absPath, err := filepath.Abs("../_meta/test/")
assert.NoError(t, err)
response, err := ioutil.ReadFile(absPath + "/serverstats")
assert.NoError(t, err)
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(200)
w.Header().Set("Content-Type", "text/plain; charset=UTF-8")
w.Write([]byte(response))
}))
defer server.Close()
config := map[string]interface{}{
"module": "envoyproxy",
"metricsets": []string{"server"},
"hosts": []string{server.URL},
}
f := mbtest.NewEventFetcher(t, config)
event, err := f.Fetch()
if !assert.NoError(t, err) {
t.FailNow()
}
t.Logf("%s/%s event: %+v", f.Module().Name(), f.Name(), event)
}
func testValue(t *testing.T, event common.MapStr, field string, value interface{}) {
data, err := event.GetValue(field)
assert.NoError(t, err, "Could not read field "+field)
assert.EqualValues(t, data, value, "Wrong value for field "+field)
}
func TestFetchTimeout(t *testing.T) {
absPath, err := filepath.Abs("../_meta/test/")
assert.NoError(t, err)
response, err := ioutil.ReadFile(absPath + "/serverstats")
assert.NoError(t, err)
server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
w.WriteHeader(200)
w.Header().Set("Content-Type", "text/plain; charset=UTF-8")
w.Write([]byte(response))
<-r.Context().Done()
}))
defer server.Close()
config := map[string]interface{}{
"module": "envoyproxy",
"metricsets": []string{"server"},
"hosts": []string{server.URL},
"timeout": "50ms",
}
f := mbtest.NewEventFetcher(t, config)
start := time.Now()
_, err = f.Fetch()
elapsed := time.Since(start)
if assert.Error(t, err) {
assert.Contains(t, err.Error(), "request canceled (Client.Timeout exceeded")
}
assert.True(t, elapsed < 5*time.Second, "elapsed time: %s", elapsed.String())
}