From 63cbc7bc08f3ed2bc5513c61fea38527f641a5d9 Mon Sep 17 00:00:00 2001
From: Oleg Bespalov <oleg.bespalov@grafana.com>
Date: Thu, 30 Nov 2023 16:29:14 +0100
Subject: [PATCH] Fixes linter issues of the output/influxdb

---
 output/influxdb/bench_test.go  | 3 ++-
 output/influxdb/config.go      | 2 ++
 output/influxdb/output.go      | 4 ++++
 output/influxdb/output_test.go | 7 ++++---
 output/influxdb/util.go        | 2 ++
 output/influxdb/util_test.go   | 8 +++++++-
 6 files changed, 21 insertions(+), 5 deletions(-)

diff --git a/output/influxdb/bench_test.go b/output/influxdb/bench_test.go
index eee1c127c34..54469fae397 100644
--- a/output/influxdb/bench_test.go
+++ b/output/influxdb/bench_test.go
@@ -29,7 +29,8 @@ func benchmarkInfluxdb(b *testing.B, t time.Duration) {
 		}
 		rw.WriteHeader(http.StatusNoContent)
 	}, func(tb testing.TB, c *Output) {
-		b = tb.(*testing.B)
+		b, _ := tb.(*testing.B)
+
 		b.ResetTimer()
 
 		samples := make(metrics.Samples, 10)
diff --git a/output/influxdb/config.go b/output/influxdb/config.go
index 35a5dc83bd7..2d34a50615e 100644
--- a/output/influxdb/config.go
+++ b/output/influxdb/config.go
@@ -14,6 +14,7 @@ import (
 	"go.k6.io/k6/lib/types"
 )
 
+// Config represents a k6's influxdb output configuration.
 type Config struct {
 	// Connection.
 	Addr             null.String        `json:"addr" envconfig:"K6_INFLUXDB_ADDR"`
@@ -54,6 +55,7 @@ func NewConfig() Config {
 	return c
 }
 
+// Apply applies a valid config options to the receiver.
 func (c Config) Apply(cfg Config) Config {
 	if cfg.Addr.Valid {
 		c.Addr = cfg.Addr
diff --git a/output/influxdb/output.go b/output/influxdb/output.go
index 7171dc359a4..75a08009293 100644
--- a/output/influxdb/output.go
+++ b/output/influxdb/output.go
@@ -1,3 +1,7 @@
+// Package influxdb provides an output plugin for sending results
+// directly to InfluxDB v1.
+// for the InfluxDB v2 please see an extension
+// https://github.com/grafana/xk6-output-influxdb
 package influxdb
 
 import (
diff --git a/output/influxdb/output_test.go b/output/influxdb/output_test.go
index 5ab04e7aaf7..5bd2db0bebf 100644
--- a/output/influxdb/output_test.go
+++ b/output/influxdb/output_test.go
@@ -55,9 +55,10 @@ func TestBadConcurrentWrites(t *testing.T) {
 
 func testOutputCycle(t testing.TB, handler http.HandlerFunc, body func(testing.TB, *Output)) {
 	s := &http.Server{
-		Addr:           ":",
-		Handler:        handler,
-		MaxHeaderBytes: 1 << 20,
+		Addr:              ":",
+		Handler:           handler,
+		MaxHeaderBytes:    1 << 20,
+		ReadHeaderTimeout: time.Second,
 	}
 	l, err := net.Listen("tcp", "127.0.0.1:0")
 	require.NoError(t, err)
diff --git a/output/influxdb/util.go b/output/influxdb/util.go
index 07be4e918e5..37478182905 100644
--- a/output/influxdb/util.go
+++ b/output/influxdb/util.go
@@ -10,6 +10,7 @@ import (
 	"gopkg.in/guregu/null.v3"
 )
 
+// MakeClient returns a new InfluxDB client based on the given Config.
 func MakeClient(conf Config) (client.Client, error) {
 	if strings.HasPrefix(conf.Addr.String, "udp://") {
 		return client.NewUDPClient(client.UDPConfig{
@@ -37,6 +38,7 @@ func MakeClient(conf Config) (client.Client, error) {
 	return client.NewHTTPClient(clientHTTPConfig)
 }
 
+// MakeBatchConfig returns a new InfluxDB BatchPointsConfig based on the given
 func MakeBatchConfig(conf Config) client.BatchPointsConfig {
 	if !conf.DB.Valid || conf.DB.String == "" {
 		conf.DB = null.StringFrom("k6")
diff --git a/output/influxdb/util_test.go b/output/influxdb/util_test.go
index 374daf9806e..a4ca66ccab4 100644
--- a/output/influxdb/util_test.go
+++ b/output/influxdb/util_test.go
@@ -10,13 +10,17 @@ import (
 )
 
 func TestMakeBatchConfig(t *testing.T) {
+	t.Parallel()
+
 	t.Run("Empty", func(t *testing.T) {
+		t.Parallel()
 		assert.Equal(t,
 			client.BatchPointsConfig{Database: "k6"},
 			MakeBatchConfig(Config{}),
 		)
 	})
 	t.Run("DB Set", func(t *testing.T) {
+		t.Parallel()
 		assert.Equal(t,
 			client.BatchPointsConfig{Database: "dbname"},
 			MakeBatchConfig(Config{DB: null.StringFrom("dbname")}),
@@ -25,6 +29,8 @@ func TestMakeBatchConfig(t *testing.T) {
 }
 
 func TestFieldKinds(t *testing.T) {
+	t.Parallel()
+
 	var fieldKinds map[string]FieldKind
 	var err error
 
@@ -36,7 +42,7 @@ func TestFieldKinds(t *testing.T) {
 	_, err = MakeFieldKinds(conf)
 	require.Error(t, err)
 
-	// Error case 2 (duplicated fields in bool and float ields)
+	// Error case 2 (duplicated fields in bool and float fields)
 	conf.TagsAsFields = []string{"vu", "iter", "url", "boolField:bool", "boolField:float"}
 	_, err = MakeFieldKinds(conf)
 	require.Error(t, err)