go-pulse/metrics/influxdb/influxdb_test.go

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// Copyright 2023 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package influxdb
import (
"fmt"
"io"
"net/http"
"net/http/httptest"
"net/url"
"os"
"strings"
"testing"
"github.com/ethereum/go-ethereum/metrics"
"github.com/ethereum/go-ethereum/metrics/internal"
influxdb2 "github.com/influxdata/influxdb-client-go/v2"
)
func TestMain(m *testing.M) {
metrics.Enabled = true
os.Exit(m.Run())
}
func TestExampleV1(t *testing.T) {
r := internal.ExampleMetrics()
var have, want string
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
haveB, _ := io.ReadAll(r.Body)
have = string(haveB)
r.Body.Close()
}))
defer ts.Close()
u, _ := url.Parse(ts.URL)
rep := &reporter{
reg: r,
url: *u,
namespace: "goth.",
}
if err := rep.makeClient(); err != nil {
t.Fatal(err)
}
if err := rep.send(978307200); err != nil {
t.Fatal(err)
}
if wantB, err := os.ReadFile("./testdata/influxdbv1.want"); err != nil {
t.Fatal(err)
} else {
want = string(wantB)
}
if have != want {
t.Errorf("\nhave:\n%v\nwant:\n%v\n", have, want)
t.Logf("have vs want:\n%v", findFirstDiffPos(have, want))
}
}
func TestExampleV2(t *testing.T) {
r := internal.ExampleMetrics()
var have, want string
ts := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
haveB, _ := io.ReadAll(r.Body)
have = string(haveB)
r.Body.Close()
}))
defer ts.Close()
rep := &v2Reporter{
reg: r,
endpoint: ts.URL,
namespace: "goth.",
}
rep.client = influxdb2.NewClient(rep.endpoint, rep.token)
defer rep.client.Close()
rep.write = rep.client.WriteAPI(rep.organization, rep.bucket)
rep.send(978307200)
if wantB, err := os.ReadFile("./testdata/influxdbv2.want"); err != nil {
t.Fatal(err)
} else {
want = string(wantB)
}
if have != want {
t.Errorf("\nhave:\n%v\nwant:\n%v\n", have, want)
t.Logf("have vs want:\n %v", findFirstDiffPos(have, want))
}
}
func findFirstDiffPos(a, b string) string {
yy := strings.Split(b, "\n")
for i, x := range strings.Split(a, "\n") {
if i >= len(yy) {
return fmt.Sprintf("have:%d: %s\nwant:%d: <EOF>", i, x, i)
}
if y := yy[i]; x != y {
return fmt.Sprintf("have:%d: %s\nwant:%d: %s", i, x, i, y)
}
}
return ""
}