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// Copyright 2019 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.
// Package xfs provides access to statistics exposed by the XFS filesystem.
package xfs_test
import (
"testing"
"github.com/prometheus/procfs/xfs"
)
func TestReadProcStat(t *testing.T) {
xfs, err := xfs.NewFS("testdata/fixtures/proc", "testdata/fixtures/sys")
if err != nil {
t.Fatalf("failed to access xfs fs: %v", err)
}
stats, err := xfs.ProcStat()
if err != nil {
t.Fatalf("failed to parse XFS stats: %v", err)
}
// Very lightweight test just to sanity check the path used
// to open XFS stats. Heavier tests in package xfs.
if want, got := uint32(92447), stats.ExtentAllocation.ExtentsAllocated; want != got {
t.Errorf("unexpected extents allocated:\nwant: %d\nhave: %d", want, got)
}
}
func TestReadSysStats(t *testing.T) {
xfs, err := xfs.NewFS("testdata/fixtures/proc", "testdata/fixtures/sys")
if err != nil {
t.Fatalf("failed to access xfs fs: %v", err)
}
stats, err := xfs.SysStats()
if err != nil {
t.Fatalf("failed to parse XFS stats: %v", err)
}
tests := []struct {
name string
allocated uint32
}{
{
name: "sda1",
allocated: 1,
},
{
name: "sdb1",
allocated: 2,
},
}
const expect = 2
if l := len(stats); l != expect {
t.Fatalf("unexpected number of XFS stats: %d", l)
}
if l := len(tests); l != expect {
t.Fatalf("unexpected number of tests: %d", l)
}
for i, tt := range tests {
if want, got := tt.name, stats[i].Name; want != got {
t.Errorf("unexpected stats name:\nwant: %q\nhave: %q", want, got)
}
if want, got := tt.allocated, stats[i].ExtentAllocation.ExtentsAllocated; want != got {
t.Errorf("unexpected extents allocated:\nwant: %d\nhave: %d", want, got)
}
}
}
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