diff options
Diffstat (limited to 'runsc/cmd/mitigate_test.go')
-rw-r--r-- | runsc/cmd/mitigate_test.go | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/runsc/cmd/mitigate_test.go b/runsc/cmd/mitigate_test.go deleted file mode 100644 index 59ec70d08..000000000 --- a/runsc/cmd/mitigate_test.go +++ /dev/null @@ -1,160 +0,0 @@ -// Copyright 2021 The gVisor Authors. -// -// Licensed under the Apache License, Version 2.0 (the "License"); -// you may not use this file except in compliance with the License. -// You may obtain a copy of the License at -// -// http://www.apache.org/licenses/LICENSE-2.0 -// -// Unless required by applicable law or agreed to in writing, software -// distributed under the License is distributed on an "AS IS" BASIS, -// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. -// See the License for the specific language governing permissions and -// limitations under the License. - -// +build amd64 - -package cmd - -import ( - "fmt" - "io/ioutil" - "os" - "strings" - "testing" - - "gvisor.dev/gvisor/runsc/mitigate/mock" -) - -type executeTestCase struct { - name string - mitigateData string - mitigateError error - mitigateCPU int - reverseData string - reverseError error - reverseCPU int -} - -func TestExecute(t *testing.T) { - - partial := `processor : 1 -vendor_id : AuthenticAMD -cpu family : 23 -model : 49 -model name : AMD EPYC 7B12 -physical id : 0 -bugs : sysret_ss_attrs spectre_v1 spectre_v2 spec_store_bypass -power management: -` - - for _, tc := range []executeTestCase{ - { - name: "CascadeLake4", - mitigateData: mock.CascadeLake4.MakeCPUString(), - mitigateCPU: 2, - reverseData: mock.CascadeLake4.MakeSysPossibleString(), - reverseCPU: 4, - }, - { - name: "Empty", - mitigateData: "", - mitigateError: fmt.Errorf(`mitigate operation failed: no cpus found for: ""`), - reverseData: "", - reverseError: fmt.Errorf(`reverse operation failed: mismatch regex from possible: ""`), - }, - { - name: "Partial", - mitigateData: `processor : 0 -vendor_id : AuthenticAMD -cpu family : 23 -model : 49 -model name : AMD EPYC 7B12 -physical id : 0 -core id : 0 -cpu cores : 1 -bugs : sysret_ss_attrs spectre_v1 spectre_v2 spec_store_bypass -power management::84 - -` + partial, - mitigateError: fmt.Errorf(`mitigate operation failed: failed to match key "core id": %q`, partial), - reverseData: "1-", - reverseError: fmt.Errorf(`reverse operation failed: mismatch regex from possible: %q`, "1-"), - }, - } { - t.Run(tc.name, func(t *testing.T) { - m := &Mitigate{ - dryRun: true, - } - m.doExecuteTest(t, "Mitigate", tc.mitigateData, tc.mitigateCPU, tc.mitigateError) - - m.reverse = true - m.doExecuteTest(t, "Reverse", tc.reverseData, tc.reverseCPU, tc.reverseError) - }) - } -} - -func TestExecuteSmoke(t *testing.T) { - smokeMitigate, err := ioutil.ReadFile(cpuInfo) - if err != nil { - t.Fatalf("Failed to read %s: %v", cpuInfo, err) - } - - m := &Mitigate{ - dryRun: true, - } - - m.doExecuteTest(t, "Mitigate", string(smokeMitigate), 0, nil) - - smokeReverse, err := ioutil.ReadFile(allPossibleCPUs) - if err != nil { - t.Fatalf("Failed to read %s: %v", allPossibleCPUs, err) - } - - m.reverse = true - m.doExecuteTest(t, "Reverse", string(smokeReverse), 0, nil) -} - -// doExecuteTest runs Execute with the mitigate operation and reverse operation. -func (m *Mitigate) doExecuteTest(t *testing.T, name, data string, want int, wantErr error) { - t.Run(name, func(t *testing.T) { - file, err := ioutil.TempFile("", "outfile.txt") - if err != nil { - t.Fatalf("Failed to create tmpfile: %v", err) - } - defer os.Remove(file.Name()) - - if _, err := file.WriteString(data); err != nil { - t.Fatalf("Failed to write to file: %v", err) - } - - // Set fields for mitigate and dryrun to keep test hermetic. - m.path = file.Name() - - set, err := m.doExecute() - if err = checkErr(wantErr, err); err != nil { - t.Fatalf("Mitigate error mismatch: %v", err) - } - - // case where test should end in error or we don't care - // about how many cpus are returned. - if wantErr != nil || want < 1 { - return - } - got := len(set.GetRemainingList()) - if want != got { - t.Fatalf("Failed wrong number of remaining CPUs: want %d, got %d", want, got) - } - - }) -} - -// checkErr checks error for equality. -func checkErr(want, got error) error { - switch { - case want == nil && got == nil: - case want == nil || got == nil || want.Error() != strings.Trim(got.Error(), " "): - return fmt.Errorf("got: %v want: %v", got, want) - } - return nil -} |