Function TestCheckCPUTopologyFilesForOfflineCPU

pkg/cpu/cpu_linux_test.go:87–132

(t *testing.T)

}

func TestCheckCPUTopologyFilesForOfflineCPU(t *testing.T) {
	if _, ok := os.LookupEnv("GHW_TESTING_SKIP_CPU"); ok {
		t.Skip("Skipping CPU tests.")
	}

	testdataPath, err := testdata.SnapshotsDirectory()
	if err != nil {
		t.Fatalf("Expected nil err, but got %v", err)
	}

	offlineCPUSnapshot := filepath.Join(testdataPath, "linux-amd64-offlineCPUs.tar.gz")

	// Capture stderr
	rErr, wErr, err := os.Pipe()
	if err != nil {
		t.Fatalf("Cannot pipe StdErr. %v", err)
	}
	os.Stderr = wErr

	unpackDir := t.TempDir()
	err = snapshot.UnpackInto(offlineCPUSnapshot, unpackDir)
	if err != nil {
		t.Fatal(err)
	}

	info, err := cpu.New(ghw.WithChroot(unpackDir))
	if err != nil {
		t.Fatalf("Expected nil err, but got %v", err)
	}
	if info == nil {
		t.Fatalf("Expected non-nil CPUInfo, but got nil")
	}

	if len(info.Processors) == 0 {
		t.Fatalf("Expected >0 processors but got 0.")
	}
	wErr.Close()
	var bufErr bytes.Buffer
	if _, err := io.Copy(&bufErr, rErr); err != nil {
		t.Fatalf("Failed to copy data to buffer: %v", err)
	}
	errorOutput := bufErr.String()
	if strings.Contains(errorOutput, "WARNING: failed to read int from file:") {
		t.Fatalf("Unexpected warning related to missing files under topology directory was reported")
	}
}

func TestNumCoresAmongOfflineCPUs(t *testing.T) {
	if _, ok := os.LookupEnv("GHW_TESTING_SKIP_CPU"); ok {