class_scsitape_test.go

Documentation: github.com/prometheus/procfs/sysfs

     1  // Copyright 2021 The Prometheus Authors
     2  // Licensed under the Apache License, Version 2.0 (the "License");
     3  // you may not use this file except in compliance with the License.
     4  // You may obtain a copy of the License at
     5  //
     6  // http://www.apache.org/licenses/LICENSE-2.0
     7  //
     8  // Unless required by applicable law or agreed to in writing, software
     9  // distributed under the License is distributed on an "AS IS" BASIS,
    10  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    11  // See the License for the specific language governing permissions and
    12  // limitations under the License.
    13  
    14  //go:build linux
    15  // +build linux
    16  
    17  package sysfs
    18  
    19  import (
    20  	"testing"
    21  
    22  	"github.com/google/go-cmp/cmp"
    23  )
    24  
    25  func TestSCSITapeClass(t *testing.T) {
    26  	fs, err := NewFS(sysTestFixtures)
    27  	if err != nil {
    28  		t.Fatal(err)
    29  	}
    30  
    31  	got, err := fs.SCSITapeClass()
    32  	if err != nil {
    33  		t.Fatal(err)
    34  	}
    35  
    36  	want := SCSITapeClass{
    37  		"st0": SCSITape{
    38  			Name: "st0",
    39  			Counters: SCSITapeCounters{
    40  				WriteNs:      5233597394395,
    41  				ReadByteCnt:  979383912,
    42  				IoNs:         9247011087720,
    43  				WriteCnt:     53772916,
    44  				WriteByteCnt: 1496246784000,
    45  				ResidCnt:     19,
    46  				ReadNs:       33788355744,
    47  				InFlight:     1,
    48  				OtherCnt:     1409,
    49  				ReadCnt:      3741,
    50  			},
    51  		},
    52  	}
    53  
    54  	if diff := cmp.Diff(want, got); diff != "" {
    55  		t.Fatalf("unexpected SCSITape class (-want +got):\n%s", diff)
    56  	}
    57  }
    58
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