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