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Merge pull request #1398 from Juneezee/test/t.Setenv

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test: use `T.Setenv` to set env vars in tests
pull/1400/head
shirou 2 years ago committed by GitHub
parent 835767a611 37894e9b28
commit f848ee3fa2
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GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 13 additions and 57 deletions
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13
cpu/cpu_linux_test.go
Unescape Escape View File

@ -2,7 +2,6 @@ package cpu
import (
"errors"
"os"
"os/exec"
"strconv"
"strings"
@ -10,8 +9,7 @@ import (
)
func TestTimesEmpty(t *testing.T) {
orig := os.Getenv("HOST_PROC")
os.Setenv("HOST_PROC", "testdata/linux/times_empty")
t.Setenv("HOST_PROC", "testdata/linux/times_empty")
_, err := Times(true)
if err != nil {
t.Error("Times(true) failed")
@ -20,12 +18,10 @@ func TestTimesEmpty(t *testing.T) {
if err != nil {
t.Error("Times(false) failed")
}
os.Setenv("HOST_PROC", orig)
}
func TestCPUparseStatLine_424(t *testing.T) {
orig := os.Getenv("HOST_PROC")
os.Setenv("HOST_PROC", "testdata/linux/424/proc")
t.Setenv("HOST_PROC", "testdata/linux/424/proc")
{
l, err := Times(true)
if err != nil || len(l) == 0 {
@ -40,7 +36,6 @@ func TestCPUparseStatLine_424(t *testing.T) {
}
t.Logf("Times(false): %#v", l)
}
os.Setenv("HOST_PROC", orig)
}
func TestCPUCountsAgainstLscpu(t *testing.T) {
@ -93,9 +88,7 @@ func TestCPUCountsAgainstLscpu(t *testing.T) {
}
func TestCPUCountsLogicalAndroid_1037(t *testing.T) { // https://github.com/shirou/gopsutil/issues/1037
orig := os.Getenv("HOST_PROC")
os.Setenv("HOST_PROC", "testdata/linux/1037/proc")
defer os.Setenv("HOST_PROC", orig)
t.Setenv("HOST_PROC", "testdata/linux/1037/proc")
count, err := Counts(true)
if err != nil {

7
cpu/cpu_plan9_test.go
Unescape Escape View File

@ -4,7 +4,6 @@
package cpu
import (
"os"
"path/filepath"
"testing"
@ -30,13 +29,9 @@ var timesTests = []struct {
}
func TestTimesPlan9(t *testing.T) {
origRoot := os.Getenv("HOST_ROOT")
t.Cleanup(func() {
os.Setenv("HOST_ROOT", origRoot)
})
for _, tt := range timesTests {
t.Run(tt.mockedRootFS, func(t *testing.T) {
os.Setenv("HOST_ROOT", filepath.Join("testdata/plan9", tt.mockedRootFS))
t.Setenv("HOST_ROOT", filepath.Join("testdata/plan9", tt.mockedRootFS))
stats, err := Times(false)
skipIfNotImplementedErr(t, err)
if err != nil {

10
internal/common/common.go
Unescape Escape View File

@ -364,16 +364,6 @@ func HostDev(combineWith ...string) string {
return GetEnv("HOST_DEV", "/dev", combineWith...)
}
// MockEnv set environment variable and return revert function.
// MockEnv should be used testing only.
func MockEnv(key string, value string) func() {
original := os.Getenv(key)
os.Setenv(key, value)
return func() {
os.Setenv(key, original)
}
}
// getSysctrlEnv sets LC_ALL=C in a list of env vars for use when running
// sysctl commands (see DoSysctrl).
func getSysctrlEnv(env []string) []string {

6
mem/mem_linux_test.go
Unescape Escape View File

@ -4,7 +4,6 @@
package mem
import (
"os"
"path/filepath"
"reflect"
"strings"
@ -111,12 +110,9 @@ var virtualMemoryTests = []struct {
}
func TestVirtualMemoryLinux(t *testing.T) {
origProc := os.Getenv("HOST_PROC")
defer os.Setenv("HOST_PROC", origProc)
for _, tt := range virtualMemoryTests {
t.Run(tt.mockedRootFS, func(t *testing.T) {
os.Setenv("HOST_PROC", filepath.Join("testdata/linux/virtualmemory/", tt.mockedRootFS, "proc"))
t.Setenv("HOST_PROC", filepath.Join("testdata/linux/virtualmemory/", tt.mockedRootFS, "proc"))
stat, err := VirtualMemory()
skipIfNotImplementedErr(t, err)

15
mem/mem_plan9_test.go
Unescape Escape View File

@ -4,7 +4,6 @@
package mem
import (
"os"
"reflect"
"testing"
)
@ -27,14 +26,9 @@ var virtualMemoryTests = []struct {
}
func TestVirtualMemoryPlan9(t *testing.T) {
origProc := os.Getenv("HOST_ROOT")
t.Cleanup(func() {
os.Setenv("HOST_ROOT", origProc)
})
for _, tt := range virtualMemoryTests {
t.Run(tt.mockedRootFS, func(t *testing.T) {
os.Setenv("HOST_ROOT", "testdata/plan9/virtualmemory/")
t.Setenv("HOST_ROOT", "testdata/plan9/virtualmemory/")
stat, err := VirtualMemory()
skipIfNotImplementedErr(t, err)
@ -62,14 +56,9 @@ var swapMemoryTests = []struct {
}
func TestSwapMemoryPlan9(t *testing.T) {
origProc := os.Getenv("HOST_ROOT")
t.Cleanup(func() {
os.Setenv("HOST_ROOT", origProc)
})
for _, tt := range swapMemoryTests {
t.Run(tt.mockedRootFS, func(t *testing.T) {
os.Setenv("HOST_ROOT", "testdata/plan9/virtualmemory/")
t.Setenv("HOST_ROOT", "testdata/plan9/virtualmemory/")
swap, err := SwapMemory()
skipIfNotImplementedErr(t, err)

19
process/process_linux_test.go
Unescape Escape View File

@ -11,7 +11,6 @@ import (
"strings"
"testing"
"github.com/shirou/gopsutil/v3/internal/common"
"github.com/stretchr/testify/assert"
)
@ -62,8 +61,7 @@ func Test_Process_splitProcStat_fromFile(t *testing.T) {
if err != nil {
t.Error(err)
}
f := common.MockEnv("HOST_PROC", "testdata/linux")
defer f()
t.Setenv("HOST_PROC", "testdata/linux")
for _, pid := range pids {
pid, err := strconv.ParseInt(pid.Name(), 0, 32)
if err != nil {
@ -99,8 +97,7 @@ func Test_fillFromCommWithContext(t *testing.T) {
if err != nil {
t.Error(err)
}
f := common.MockEnv("HOST_PROC", "testdata/linux")
defer f()
t.Setenv("HOST_PROC", "testdata/linux")
for _, pid := range pids {
pid, err := strconv.ParseInt(pid.Name(), 0, 32)
if err != nil {
@ -121,8 +118,7 @@ func Test_fillFromStatusWithContext(t *testing.T) {
if err != nil {
t.Error(err)
}
f := common.MockEnv("HOST_PROC", "testdata/linux")
defer f()
t.Setenv("HOST_PROC", "testdata/linux")
for _, pid := range pids {
pid, err := strconv.ParseInt(pid.Name(), 0, 32)
if err != nil {
@ -139,8 +135,7 @@ func Test_fillFromStatusWithContext(t *testing.T) {
}
func Benchmark_fillFromCommWithContext(b *testing.B) {
f := common.MockEnv("HOST_PROC", "testdata/linux")
defer f()
b.Setenv("HOST_PROC", "testdata/linux")
pid := 1060
p, _ := NewProcess(int32(pid))
for i := 0; i < b.N; i++ {
@ -149,8 +144,7 @@ func Benchmark_fillFromCommWithContext(b *testing.B) {
}
func Benchmark_fillFromStatusWithContext(b *testing.B) {
f := common.MockEnv("HOST_PROC", "testdata/linux")
defer f()
b.Setenv("HOST_PROC", "testdata/linux")
pid := 1060
p, _ := NewProcess(int32(pid))
for i := 0; i < b.N; i++ {
@ -163,8 +157,7 @@ func Test_fillFromTIDStatWithContext_lx_brandz(t *testing.T) {
if err != nil {
t.Error(err)
}
f := common.MockEnv("HOST_PROC", "testdata/lx_brandz")
defer f()
t.Setenv("HOST_PROC", "testdata/lx_brandz")
for _, pid := range pids {
pid, err := strconv.ParseInt(pid.Name(), 0, 32)
if err != nil {

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