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Increased Unit Test Coverage for PKG/SYSINFO

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Signed-off-by: Naveed Jamil <naveed.jamil@tenpearls.com>
This commit is contained in:
Naveed Jamil 2017-06-05 13:50:15 +05:00
parent 252e610103
commit 6181bd7a7c
1 changed files with 58 additions and 12 deletions
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70
pkg/sysinfo/sysinfo_linux_test.go
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@ -5,20 +5,20 @@ import (
"os"
"path"
"path/filepath"
"syscall"
"testing"
"github.com/stretchr/testify/require"
)
func TestReadProcBool(t *testing.T) {
tmpDir, err := ioutil.TempDir("", "test-sysinfo-proc")
if err != nil {
t.Fatal(err)
}
require.NoError(t, err)
defer os.RemoveAll(tmpDir)
procFile := filepath.Join(tmpDir, "read-proc-bool")
if err := ioutil.WriteFile(procFile, []byte("1"), 0644); err != nil {
t.Fatal(err)
}
err = ioutil.WriteFile(procFile, []byte("1"), 0644)
require.NoError(t, err)
if !readProcBool(procFile) {
t.Fatal("expected proc bool to be true, got false")
@ -39,20 +39,66 @@ func TestReadProcBool(t *testing.T) {
func TestCgroupEnabled(t *testing.T) {
cgroupDir, err := ioutil.TempDir("", "cgroup-test")
if err != nil {
t.Fatal(err)
}
require.NoError(t, err)
defer os.RemoveAll(cgroupDir)
if cgroupEnabled(cgroupDir, "test") {
t.Fatal("cgroupEnabled should be false")
}
if err := ioutil.WriteFile(path.Join(cgroupDir, "test"), []byte{}, 0644); err != nil {
t.Fatal(err)
}
err = ioutil.WriteFile(path.Join(cgroupDir, "test"), []byte{}, 0644)
require.NoError(t, err)
if !cgroupEnabled(cgroupDir, "test") {
t.Fatal("cgroupEnabled should be true")
}
}
func TestNew(t *testing.T) {
sysInfo := New(false)
require.NotNil(t, sysInfo)
checkSysInfo(t, sysInfo)
sysInfo = New(true)
require.NotNil(t, sysInfo)
checkSysInfo(t, sysInfo)
}
func checkSysInfo(t *testing.T, sysInfo *SysInfo) {
// Check if Seccomp is supported, via CONFIG_SECCOMP.then sysInfo.Seccomp must be TRUE , else FALSE
if _, _, err := syscall.RawSyscall(syscall.SYS_PRCTL, syscall.PR_GET_SECCOMP, 0, 0); err != syscall.EINVAL {
// Make sure the kernel has CONFIG_SECCOMP_FILTER.
if _, _, err := syscall.RawSyscall(syscall.SYS_PRCTL, syscall.PR_SET_SECCOMP, SeccompModeFilter, 0); err != syscall.EINVAL {
require.True(t, sysInfo.Seccomp)
}
} else {
require.False(t, sysInfo.Seccomp)
}
}
func TestNewAppArmorEnabled(t *testing.T) {
// Check if AppArmor is supported. then it must be TRUE , else FALSE
if _, err := os.Stat("/sys/kernel/security/apparmor"); err != nil {
t.Skip("App Armor Must be Enabled")
}
sysInfo := New(true)
require.True(t, sysInfo.AppArmor)
}
func TestNewAppArmorDisabled(t *testing.T) {
// Check if AppArmor is supported. then it must be TRUE , else FALSE
if _, err := os.Stat("/sys/kernel/security/apparmor"); !os.IsNotExist(err) {
t.Skip("App Armor Must be Disabled")
}
sysInfo := New(true)
require.False(t, sysInfo.AppArmor)
}
func TestNumCPU(t *testing.T) {
cpuNumbers := NumCPU()
if cpuNumbers <= 0 {
t.Fatal("CPU returned must be greater than zero")
}
}