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|
package seccomp
import (
"fmt"
"testing"
)
func TestGetKernelVersion(t *testing.T) {
version, err := getKernelVersion()
if err != nil {
t.Fatal(err)
}
if version == nil {
t.Fatal("version is nil")
}
if version.Kernel == 0 {
t.Fatal("no kernel version")
}
}
// TestParseRelease tests the ParseRelease() function
func TestParseRelease(t *testing.T) {
tests := []struct {
in string
out KernelVersion
expectedErr error
}{
{in: "3.8", out: KernelVersion{Kernel: 3, Major: 8}},
{in: "3.8.0", out: KernelVersion{Kernel: 3, Major: 8}},
{in: "3.8.0-19-generic", out: KernelVersion{Kernel: 3, Major: 8}},
{in: "3.4.54.longterm-1", out: KernelVersion{Kernel: 3, Major: 4}},
{in: "3.10.0-862.2.3.el7.x86_64", out: KernelVersion{Kernel: 3, Major: 10}},
{in: "3.12.8tag", out: KernelVersion{Kernel: 3, Major: 12}},
{in: "3.12-1-amd64", out: KernelVersion{Kernel: 3, Major: 12}},
{in: "3.12foobar", out: KernelVersion{Kernel: 3, Major: 12}},
{in: "99.999.999-19-generic", out: KernelVersion{Kernel: 99, Major: 999}},
{in: "", expectedErr: fmt.Errorf(`failed to parse kernel version "": EOF`)},
{in: "3", expectedErr: fmt.Errorf(`failed to parse kernel version "3": unexpected EOF`)},
{in: "3.", expectedErr: fmt.Errorf(`failed to parse kernel version "3.": EOF`)},
{in: "3a", expectedErr: fmt.Errorf(`failed to parse kernel version "3a": input does not match format`)},
{in: "3.a", expectedErr: fmt.Errorf(`failed to parse kernel version "3.a": expected integer`)},
{in: "a", expectedErr: fmt.Errorf(`failed to parse kernel version "a": expected integer`)},
{in: "a.a", expectedErr: fmt.Errorf(`failed to parse kernel version "a.a": expected integer`)},
{in: "a.a.a-a", expectedErr: fmt.Errorf(`failed to parse kernel version "a.a.a-a": expected integer`)},
{in: "-3", expectedErr: fmt.Errorf(`failed to parse kernel version "-3": expected integer`)},
{in: "-3.", expectedErr: fmt.Errorf(`failed to parse kernel version "-3.": expected integer`)},
{in: "-3.8", expectedErr: fmt.Errorf(`failed to parse kernel version "-3.8": expected integer`)},
{in: "-3.-8", expectedErr: fmt.Errorf(`failed to parse kernel version "-3.-8": expected integer`)},
{in: "3.-8", expectedErr: fmt.Errorf(`failed to parse kernel version "3.-8": expected integer`)},
}
for _, tc := range tests {
tc := tc
t.Run(tc.in, func(t *testing.T) {
version, err := parseRelease(tc.in)
if tc.expectedErr != nil {
if err == nil {
t.Fatal("expected an error")
}
if err.Error() != tc.expectedErr.Error() {
t.Fatalf("expected: %s, got: %s", tc.expectedErr, err)
}
return
}
if err != nil {
t.Fatal("unexpected error:", err)
}
if version == nil {
t.Fatal("version is nil")
}
if version.Kernel != tc.out.Kernel || version.Major != tc.out.Major {
t.Fatalf("expected: %d.%d, got: %d.%d", tc.out.Kernel, tc.out.Major, version.Kernel, version.Major)
}
})
}
}
func TestKernelGreaterEqualThan(t *testing.T) {
// Get the current kernel version, so that we can make test relative to that
v, err := getKernelVersion()
if err != nil {
t.Fatal(err)
}
tests := []struct {
doc string
in KernelVersion
expected bool
}{
{
doc: "same version",
in: KernelVersion{v.Kernel, v.Major},
expected: true,
},
{
doc: "kernel minus one",
in: KernelVersion{v.Kernel - 1, v.Major},
expected: true,
},
{
doc: "kernel plus one",
in: KernelVersion{v.Kernel + 1, v.Major},
expected: false,
},
{
doc: "major plus one",
in: KernelVersion{v.Kernel, v.Major + 1},
expected: false,
},
}
for _, tc := range tests {
tc := tc
t.Run(tc.doc+": "+tc.in.String(), func(t *testing.T) {
ok, err := kernelGreaterEqualThan(tc.in)
if err != nil {
t.Fatal("unexpected error:", err)
}
if ok != tc.expected {
t.Fatalf("expected: %v, got: %v", tc.expected, ok)
}
})
}
}
|
