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sivcharisivchari
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Add tenv linter (#2221)
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11 files changed

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11 files changed

+267
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‎.golangci.example.yml‎

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Original file line numberDiff line numberDiff line change
@@ -627,6 +627,11 @@ linters-settings:
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name: true
628628
begin: true
629629

630+
tenv:
631+
# The option `all` will run against whole test files (`_test.go`) regardless of method/function signatures.
632+
# By default, only methods that take `*testing.T`, `*testing.B`, and `testing.TB` as arguments are checked.
633+
all: false
634+
630635
unparam:
631636
# Inspect exported functions, default is false. Set to true if no external program/library imports your code.
632637
# XXX: if you enable this setting, unparam will report a lot of false-positives in text editors:

‎go.mod‎

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@@ -69,6 +69,7 @@ require (
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github.com/shazow/go-diff v0.0.0-20160112020656-b6b7b6733b8c
7070
github.com/shirou/gopsutil/v3 v3.21.8
7171
github.com/sirupsen/logrus v1.8.1
72+
github.com/sivchari/tenv v1.4.7
7273
github.com/sonatard/noctx v0.0.1
7374
github.com/sourcegraph/go-diff v0.6.1
7475
github.com/spf13/cobra v1.2.1

‎go.sum‎

Lines changed: 22 additions & 0 deletions
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‎pkg/config/linters_settings.go‎

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Original file line numberDiff line numberDiff line change
@@ -132,6 +132,7 @@ type LintersSettings struct {
132132
Tagliatelle TagliatelleSettings
133133
Testpackage TestpackageSettings
134134
Thelper ThelperSettings
135+
Tenv TenvSettings
135136
Unparam UnparamSettings
136137
Unused StaticCheckSettings
137138
Varcheck VarCheckSettings
@@ -463,6 +464,10 @@ type ThelperSettings struct {
463464
} `mapstructure:"tb"`
464465
}
465466

467+
type TenvSettings struct {
468+
All bool `mapstructure:"all"`
469+
}
470+
466471
type UnparamSettings struct {
467472
CheckExported bool `mapstructure:"check-exported"`
468473
Algo string

‎pkg/golinters/tenv.go‎

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,33 @@
1+
package golinters
2+
3+
import (
4+
"github.com/sivchari/tenv"
5+
"golang.org/x/tools/go/analysis"
6+
7+
"github.com/golangci/golangci-lint/pkg/config"
8+
"github.com/golangci/golangci-lint/pkg/golinters/goanalysis"
9+
)
10+
11+
func NewTenv(settings *config.TenvSettings) *goanalysis.Linter {
12+
a := tenv.Analyzer
13+
14+
analyzers := []*analysis.Analyzer{
15+
a,
16+
}
17+
18+
var cfg map[string]map[string]interface{}
19+
if settings != nil {
20+
cfg = map[string]map[string]interface{}{
21+
a.Name: {
22+
tenv.A: settings.All,
23+
},
24+
}
25+
}
26+
27+
return goanalysis.NewLinter(
28+
a.Name,
29+
a.Doc,
30+
analyzers,
31+
cfg,
32+
).WithLoadMode(goanalysis.LoadModeSyntax)
33+
}

‎pkg/lint/lintersdb/manager.go‎

Lines changed: 7 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -116,6 +116,7 @@ func (m Manager) GetAllSupportedLinterConfigs() []*linter.Config {
116116
var staticcheckCfg *config.StaticCheckSettings
117117
var stylecheckCfg *config.StaticCheckSettings
118118
var tagliatelleCfg *config.TagliatelleSettings
119+
var tenvCfg *config.TenvSettings
119120
var testpackageCfg *config.TestpackageSettings
120121
var thelperCfg *config.ThelperSettings
121122
var unusedCfg *config.StaticCheckSettings
@@ -140,6 +141,7 @@ func (m Manager) GetAllSupportedLinterConfigs() []*linter.Config {
140141
staticcheckCfg = &m.cfg.LintersSettings.Staticcheck
141142
stylecheckCfg = &m.cfg.LintersSettings.Stylecheck
142143
tagliatelleCfg = &m.cfg.LintersSettings.Tagliatelle
144+
tenvCfg = &m.cfg.LintersSettings.Tenv
143145
testpackageCfg = &m.cfg.LintersSettings.Testpackage
144146
thelperCfg = &m.cfg.LintersSettings.Thelper
145147
unusedCfg = &m.cfg.LintersSettings.Unused
@@ -522,6 +524,11 @@ func (m Manager) GetAllSupportedLinterConfigs() []*linter.Config {
522524
WithLoadForGoAnalysis().
523525
WithURL("https://github.com/Antonboom/nilnil").
524526
WithSince("v1.43.0"),
527+
linter.NewConfig(golinters.NewTenv(tenvCfg)).
528+
WithSince("v1.43.0").
529+
WithPresets(linter.PresetStyle).
530+
WithLoadForGoAnalysis().
531+
WithURL("https://github.com/sivchari/tenv"),
525532

526533
// nolintlint must be last because it looks at the results of all the previous linters for unused nolint directives
527534
linter.NewConfig(golinters.NewNoLintLint()).

‎test/testdata/configs/tenv_all.yml‎

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,3 @@
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linters-settings:
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tenv:
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all: true

‎test/testdata/tenv.go‎

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Original file line numberDiff line numberDiff line change
@@ -0,0 +1,48 @@
1+
// args: -Etenv
2+
// config_path: testdata/configs/tenv_all.yml
3+
package testdata
4+
5+
import (
6+
"os"
7+
"testing"
8+
)
9+
10+
var (
11+
e = os.Setenv("a", "b") // never seen
12+
)
13+
14+
func setup() {
15+
os.Setenv("a", "b") // never seen
16+
err := os.Setenv("a", "b") // never seen
17+
_ = err
18+
if err := os.Setenv("a", "b"); err != nil { // never seen
19+
_ = err
20+
}
21+
}
22+
23+
func TestF(t *testing.T) {
24+
os.Setenv("a", "b") // ERROR "os\\.Setenv\\(\\) can be replaced by `t\\.Setenv\\(\\)` in TestF"
25+
err := os.Setenv("a", "b") // ERROR "os\\.Setenv\\(\\) can be replaced by `t\\.Setenv\\(\\)` in TestF"
26+
_ = err
27+
if err := os.Setenv("a", "b"); err != nil { // ERROR "os\\.Setenv\\(\\) can be replaced by `t\\.Setenv\\(\\)` in TestF"
28+
_ = err
29+
}
30+
}
31+
32+
func BenchmarkF(b *testing.B) {
33+
os.Setenv("a", "b") // ERROR "os\\.Setenv\\(\\) can be replaced by `b\\.Setenv\\(\\)` in BenchmarkF"
34+
err := os.Setenv("a", "b") // ERROR "os\\.Setenv\\(\\) can be replaced by `b\\.Setenv\\(\\)` in BenchmarkF"
35+
_ = err
36+
if err := os.Setenv("a", "b"); err != nil { // ERROR "os\\.Setenv\\(\\) can be replaced by `b\\.Setenv\\(\\)` in BenchmarkF"
37+
_ = err
38+
}
39+
}
40+
41+
func testTB(tb testing.TB) {
42+
os.Setenv("a", "b") // ERROR "os\\.Setenv\\(\\) can be replaced by `tb\\.Setenv\\(\\)` in testTB"
43+
err := os.Setenv("a", "b") // ERROR "os\\.Setenv\\(\\) can be replaced by `tb\\.Setenv\\(\\)` in testTB"
44+
_ = err
45+
if err := os.Setenv("a", "b"); err != nil { // ERROR "os\\.Setenv\\(\\) can be replaced by `tb\\.Setenv\\(\\)` in testTB"
46+
_ = err
47+
}
48+
}

‎test/testdata/tenv_all.go‎

Lines changed: 48 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,48 @@
1+
// args: -Etenv
2+
// config_path: testdata/configs/tenv_all.yml
3+
package testdata
4+
5+
import (
6+
"os"
7+
"testing"
8+
)
9+
10+
var (
11+
e = os.Setenv("a", "b") // never seen
12+
)
13+
14+
func setup() {
15+
os.Setenv("a", "b") // never seen
16+
err := os.Setenv("a", "b") // never seen
17+
_ = err
18+
if err := os.Setenv("a", "b"); err != nil { // never seen
19+
_ = err
20+
}
21+
}
22+
23+
func TestF(t *testing.T) {
24+
os.Setenv("a", "b") // ERROR "os\\.Setenv\\(\\) can be replaced by `t\\.Setenv\\(\\)` in TestF"
25+
err := os.Setenv("a", "b") // ERROR "os\\.Setenv\\(\\) can be replaced by `t\\.Setenv\\(\\)` in TestF"
26+
_ = err
27+
if err := os.Setenv("a", "b"); err != nil { // ERROR "os\\.Setenv\\(\\) can be replaced by `t\\.Setenv\\(\\)` in TestF"
28+
_ = err
29+
}
30+
}
31+
32+
func BenchmarkF(b *testing.B) {
33+
os.Setenv("a", "b") // ERROR "os\\.Setenv\\(\\) can be replaced by `b\\.Setenv\\(\\)` in BenchmarkF"
34+
err := os.Setenv("a", "b") // ERROR "os\\.Setenv\\(\\) can be replaced by `b\\.Setenv\\(\\)` in BenchmarkF"
35+
_ = err
36+
if err := os.Setenv("a", "b"); err != nil { // ERROR "os\\.Setenv\\(\\) can be replaced by `b\\.Setenv\\(\\)` in BenchmarkF"
37+
_ = err
38+
}
39+
}
40+
41+
func testTB(tb testing.TB) {
42+
os.Setenv("a", "b") // ERROR "os\\.Setenv\\(\\) can be replaced by `tb\\.Setenv\\(\\)` in testTB"
43+
err := os.Setenv("a", "b") // ERROR "os\\.Setenv\\(\\) can be replaced by `tb\\.Setenv\\(\\)` in testTB"
44+
_ = err
45+
if err := os.Setenv("a", "b"); err != nil { // ERROR "os\\.Setenv\\(\\) can be replaced by `tb\\.Setenv\\(\\)` in testTB"
46+
_ = err
47+
}
48+
}

‎test/testdata/tenv_all_test.go‎

Lines changed: 48 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,48 @@
1+
// args: -Etenv
2+
// config_path: testdata/configs/tenv_all.yml
3+
package testdata
4+
5+
import (
6+
"os"
7+
"testing"
8+
)
9+
10+
var (
11+
e = os.Setenv("a", "b") // never seen
12+
)
13+
14+
func setup() {
15+
os.Setenv("a", "b") // ERROR "os\\.Setenv\\(\\) can be replaced by `testing\\.Setenv\\(\\)` in setup"
16+
err := os.Setenv("a", "b") // ERROR "os\\.Setenv\\(\\) can be replaced by `testing\\.Setenv\\(\\)` in setup"
17+
_ = err
18+
if err := os.Setenv("a", "b"); err != nil { // ERROR "os\\.Setenv\\(\\) can be replaced by `testing\\.Setenv\\(\\)` in setup"
19+
_ = err
20+
}
21+
}
22+
23+
func TestF(t *testing.T) {
24+
os.Setenv("a", "b") // ERROR "os\\.Setenv\\(\\) can be replaced by `t\\.Setenv\\(\\)` in TestF"
25+
err := os.Setenv("a", "b") // ERROR "os\\.Setenv\\(\\) can be replaced by `t\\.Setenv\\(\\)` in TestF"
26+
_ = err
27+
if err := os.Setenv("a", "b"); err != nil { // ERROR "os\\.Setenv\\(\\) can be replaced by `t\\.Setenv\\(\\)` in TestF"
28+
_ = err
29+
}
30+
}
31+
32+
func BenchmarkF(b *testing.B) {
33+
os.Setenv("a", "b") // ERROR "os\\.Setenv\\(\\) can be replaced by `b\\.Setenv\\(\\)` in BenchmarkF"
34+
err := os.Setenv("a", "b") // ERROR "os\\.Setenv\\(\\) can be replaced by `b\\.Setenv\\(\\)` in BenchmarkF"
35+
_ = err
36+
if err := os.Setenv("a", "b"); err != nil { // ERROR "os\\.Setenv\\(\\) can be replaced by `b\\.Setenv\\(\\)` in BenchmarkF"
37+
_ = err
38+
}
39+
}
40+
41+
func testTB(tb testing.TB) {
42+
os.Setenv("a", "b") // ERROR "os\\.Setenv\\(\\) can be replaced by `tb\\.Setenv\\(\\)` in testTB"
43+
err := os.Setenv("a", "b") // ERROR "os\\.Setenv\\(\\) can be replaced by `tb\\.Setenv\\(\\)` in testTB"
44+
_ = err
45+
if err := os.Setenv("a", "b"); err != nil { // ERROR "os\\.Setenv\\(\\) can be replaced by `tb\\.Setenv\\(\\)` in testTB"
46+
_ = err
47+
}
48+
}

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