| 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) |
| } |
| }) |
| } |
| } |