feat: add test for MEIClass

Signed-off-by: Michal Gorlas <michal.gorlas@9elements.com>

Author: micgor32

sysfs/class_mei_test.go

@@ -0,0 +1,60 @@
+// Copyright The Prometheus 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.
+
+//go:build linux
+
+package sysfs
+
+import (
+	"testing"
+
+	"github.com/google/go-cmp/cmp"
+)
+
+func TestMEIClass(t *testing.T) {
+	fs, err := NewFS(sysTestFixtures)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	got, err := fs.MEIClass()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	dev := "244:0"
+	devState := "ENABLED"
+	fwStatus := "90000245\n00110500\n00000020\n00000000\n02F41F03\n40000000"
+	fwVer := "0:18.0.5.2098\n0:18.0.5.2098\n0:18.0.5.2098"
+	hbmVer := "2.2"
+	hbmVerDrv := "2.2"
+	kind := "mei"
+	trc := "00000889"
+	txQueueLimit := "50"
+
+	want := &MEIClass{
+		Dev:           &dev,
+		DevState:      &devState,
+		FWStatus:      &fwStatus,
+		FWVersion:     &fwVer,
+		HBMVersion:    &hbmVer,
+		HBMVersionDrv: &hbmVerDrv,
+		Kind:          &kind,
+		Trc:           &trc,
+		TxQueueLimit:  &txQueueLimit,
+	}
+
+	if diff := cmp.Diff(want, got); diff != "" {
+		t.Fatalf("unexpected DMI class (-want +got):\n%s", diff)
+	}
+}