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// Copyright 2020 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.
package tools
import "testing"
// TestFio checks the Fio parsers on sample output.
func TestFio(t *testing.T) {
sampleData := `
{
"fio version" : "fio-3.1",
"timestamp" : 1554837456,
"timestamp_ms" : 1554837456621,
"time" : "Tue Apr 9 19:17:36 2019",
"jobs" : [
{
"jobname" : "test",
"groupid" : 0,
"error" : 0,
"eta" : 2147483647,
"elapsed" : 1,
"job options" : {
"name" : "test",
"ioengine" : "sync",
"size" : "1073741824",
"filename" : "/disk/file.dat",
"iodepth" : "4",
"bs" : "4096",
"rw" : "write"
},
"read" : {
"io_bytes" : 0,
"io_kbytes" : 0,
"bw" : 123456,
"iops" : 1234.5678,
"runtime" : 0,
"total_ios" : 0,
"short_ios" : 0,
"bw_min" : 0,
"bw_max" : 0,
"bw_agg" : 0.000000,
"bw_mean" : 0.000000,
"bw_dev" : 0.000000,
"bw_samples" : 0,
"iops_min" : 0,
"iops_max" : 0,
"iops_mean" : 0.000000,
"iops_stddev" : 0.000000,
"iops_samples" : 0
},
"write" : {
"io_bytes" : 1073741824,
"io_kbytes" : 1048576,
"bw" : 1753471,
"iops" : 438367.892977,
"runtime" : 598,
"total_ios" : 262144,
"bw_min" : 1731120,
"bw_max" : 1731120,
"bw_agg" : 98.725328,
"bw_mean" : 1731120.000000,
"bw_dev" : 0.000000,
"bw_samples" : 1,
"iops_min" : 432780,
"iops_max" : 432780,
"iops_mean" : 432780.000000,
"iops_stddev" : 0.000000,
"iops_samples" : 1
}
}
]
}
`
fio := Fio{}
// WriteBandwidth.
got, err := fio.parseBandwidth(sampleData, false)
want := 1753471.0 * 1024
if err != nil {
t.Fatalf("parse failed with err: %v", err)
} else if got != want {
t.Fatalf("got: %f, want: %f", got, want)
}
// ReadBandwidth.
got, err = fio.parseBandwidth(sampleData, true)
want = 123456 * 1024
if err != nil {
t.Fatalf("parse failed with err: %v", err)
} else if got != want {
t.Fatalf("got: %f, want: %f", got, want)
}
// WriteIOps.
got, err = fio.parseIOps(sampleData, false)
want = 438367.892977
if err != nil {
t.Fatalf("parse failed with err: %v", err)
} else if got != want {
t.Fatalf("got: %f, want: %f", got, want)
}
// ReadIOps.
got, err = fio.parseIOps(sampleData, true)
want = 1234.5678
if err != nil {
t.Fatalf("parse failed with err: %v", err)
} else if got != want {
t.Fatalf("got: %f, want: %f", got, want)
}
}
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