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iostat_test.go
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/*
http://www.apache.org/licenses/LICENSE-2.0.txt
Copyright 2015 Intel Corporation
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 iostat
import (
"io"
"strings"
"testing"
"github.com/intelsdi-x/snap-plugin-collector-iostat/iostat/parser"
"github.com/intelsdi-x/snap-plugin-lib-go/v1/plugin"
. "github.com/smartystreets/goconvey/convey"
)
// type Mock struct {
// key string
// value float64
// }
// var ns_prefix = []string{parser.NsVendor, parser.NsType}
// var mockKV = []Mock{
// {"/intel/iostat/avg-cpu/%user", 0.50},
// {"/intel/iostat/avg-cpu/%nice", 0.00},
// {"/intel/iostat/avg-cpu/%system", 0.13},
// {"/intel/iostat/avg-cpu/%iowait", 0.00},
// {"/intel/iostat/avg-cpu/%steal", 0.00},
// {"/intel/iostat/avg-cpu/%idle", 99.37},
// {"/intel/iostat/device/sda/rrqm_per_sec", 0.00},
// {"/intel/iostat/device/sdb/wrqm_per_sec", 0.33},
// {"/intel/iostat/device/sda1/r_per_sec", 0.00},
// {"/intel/iostat/device/sdb1/w_per_sec", 0.08},
// {"/intel/iostat/device/sda2/rkB_per_sec", 0.00},
// {"/intel/iostat/device/sdb2/wkB_per_sec", 4.55},
// {"/intel/iostat/device/sda3/avgrq-sz", 8.00},
// {"/intel/iostat/device/sda4/avgqu-sz", 0.00},
// {"/intel/iostat/device/sdb/await", 1.83},
// {"/intel/iostat/device/sdb/r_await", 0.94},
// {"/intel/iostat/device/sdb/w_await", 2.00},
// {"/intel/iostat/device/sdb/svctm", 0.06},
// {"/intel/iostat/device/sdb/%util", 0.00},
// {"/intel/iostat/device/ALL/rrqm_per_sec", 0.05},
// {"/intel/iostat/device/ALL/wkB_per_sec", 30.68},
// }
var refMap = map[string]interface{}{
"/intel/iostat/device/sda1/%util": 0,
"/intel/iostat/device/sda4/await": 0.11,
"/intel/iostat/device/sdb1/r_per_sec": 0.04,
"/intel/iostat/device/sda/wrqm_per_sec": 0,
"/intel/iostat/device/ALL/avgrq-sz": 45.65,
"/intel/iostat/device/sda4/avgrq-sz": 8,
"/intel/iostat/device/sdb2/avgqu-sz": 0,
"/intel/iostat/device/sda4/avgqu-sz": 0,
"/intel/iostat/device/ALL/%util": 0,
"/intel/iostat/device/sda/r_per_sec": 0,
"/intel/iostat/device/sdb/avgrq-sz": 45.7,
"/intel/iostat/device/sda/avgqu-sz": 0,
"/intel/iostat/device/ALL/await": 1.82,
"/intel/iostat/device/sda3/w_per_sec": 0,
"/intel/iostat/device/ALL/avgqu-sz": 0,
"/intel/iostat/device/sda3/rrqm_per_sec": 0,
"/intel/iostat/device/sdb1/wrqm_per_sec": 0.07,
"/intel/iostat/device/sda4/r_per_sec": 0,
"/intel/iostat/device/sdb1/rrqm_per_sec": 0,
"/intel/iostat/device/sda4/w_per_sec": 0,
"/intel/iostat/device/sdb/w_per_sec": 0.64,
"/intel/iostat/device/sdb/%util": 0,
"/intel/iostat/device/sdb2/%util": 0,
"/intel/iostat/device/sdb1/await": 9.81,
"/intel/iostat/device/sda1/rrqm_per_sec": 0,
"/intel/iostat/device/sdb/wrqm_per_sec": 0.33,
"/intel/iostat/device/sdb2/r_per_sec": 0.09,
"/intel/iostat/device/sda1/avgqu-sz": 0,
"/intel/iostat/device/sdb1/%util": 0,
"/intel/iostat/device/sda4/rrqm_per_sec": 0,
"/intel/iostat/device/sda/w_per_sec": 0,
"/intel/iostat/device/sda2/w_per_sec": 0,
"/intel/iostat/device/sda1/w_per_sec": 0,
"/intel/iostat/device/sdb1/avgrq-sz": 185.22,
"/intel/iostat/device/sda1/await": 0.12,
"/intel/iostat/device/ALL/rrqm_per_sec": 0.05,
"/intel/iostat/device/sda4/wrqm_per_sec": 0,
"/intel/iostat/device/sdb2/w_per_sec": 0.55,
"/intel/iostat/device/sda2/avgrq-sz": 7.8,
"/intel/iostat/device/sdb2/rrqm_per_sec": 0.02,
"/intel/iostat/device/sdb/r_per_sec": 0.13,
"/intel/iostat/device/sdb2/avgrq-sz": 19.87,
"/intel/iostat/device/sda3/avgqu-sz": 0,
"/intel/iostat/device/sda4/%util": 0,
"/intel/iostat/device/sda/await": 0.1,
"/intel/iostat/device/sda2/wrqm_per_sec": 0,
"/intel/iostat/device/sda3/avgrq-sz": 8,
"/intel/iostat/device/sdb1/avgqu-sz": 0,
"/intel/iostat/device/sdb/rrqm_per_sec": 0.02,
"/intel/iostat/device/sdb2/wrqm_per_sec": 0.26,
"/intel/iostat/device/sdb1/w_per_sec": 0.08,
"/intel/iostat/device/sda2/r_per_sec": 0,
"/intel/iostat/device/ALL/w_per_sec": 1.27,
"/intel/iostat/device/sdb/await": 1.83,
"/intel/iostat/device/sda2/await": 0.08,
"/intel/iostat/device/sda2/rrqm_per_sec": 0,
"/intel/iostat/device/ALL/wrqm_per_sec": 0.66,
"/intel/iostat/device/sda3/r_per_sec": 0,
"/intel/iostat/device/ALL/r_per_sec": 0.26,
"/intel/iostat/device/sdb/avgqu-sz": 0,
"/intel/iostat/device/sda/%util": 0,
"/intel/iostat/device/sdb2/await": 0.34,
"/intel/iostat/device/sda3/wrqm_per_sec": 0,
"/intel/iostat/device/sda/avgrq-sz": 8.06,
"/intel/iostat/device/sda1/avgrq-sz": 8.19,
"/intel/iostat/device/sda2/avgqu-sz": 0,
"/intel/iostat/device/sda3/%util": 0,
"/intel/iostat/device/sda2/%util": 0,
"/intel/iostat/device/sda3/await": 0.12,
"/intel/iostat/device/sda/rrqm_per_sec": 0,
"/intel/iostat/device/sda1/wrqm_per_sec": 0,
"/intel/iostat/device/sda1/r_per_sec": 0,
}
var mockExecOut = `sysstat version 11.2.0
(C) Sebastien Godard (sysstat <at> orange.fr)
`
var mockCmdOut = `Linux 3.10.0-229.11.1.el7.x86_64 (gklab-108-166) 0/26/2015 _x86_64_ (8 CPU)
10/26/2015 06:36:57 AM
avg-cpu: %user %nice %system %iowait %steal %idle
0.50 0.00 0.13 0.00 0.00 99.37
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
sda 0.00 0.00 0.00 0.00 0.01 0.00 8.06 0.00 0.10 0.10 0.00 0.04 0.00
sda1 0.00 0.00 0.00 0.00 0.00 0.00 8.19 0.00 0.12 0.12 0.00 0.12 0.00
sda2 0.00 0.00 0.00 0.00 0.00 0.00 7.80 0.00 0.08 0.08 0.00 0.08 0.00
sda3 0.00 0.00 0.00 0.00 0.00 0.00 8.00 0.00 0.12 0.12 0.00 0.12 0.00
sda4 0.00 0.00 0.00 0.00 0.00 0.00 8.00 0.00 0.11 0.11 0.00 0.11 0.00
sdb 0.02 0.33 0.13 0.64 2.08 15.34 45.70 0.00 1.83 0.94 2.00 0.06 0.00
sdb1 0.00 0.07 0.04 0.08 0.26 10.79 185.22 0.00 9.81 0.23 14.21 0.25 0.00
sdb2 0.02 0.26 0.09 0.55 1.81 4.55 19.87 0.00 0.34 1.24 0.20 0.03 0.00
ALL 0,05 0,66 0,26 1,27 4,17 30,68 45,65 0,00 1,82 0,92 2,00 0,06 0,00
`
var staticMockMts = []plugin.Metric{
plugin.Metric{
Namespace: plugin.NewNamespace("intel", "iostat", "avg-cpu", "%user"),
},
plugin.Metric{
Namespace: plugin.NewNamespace("intel", "iostat", "avg-cpu", "%nice"),
},
plugin.Metric{
Namespace: plugin.NewNamespace("intel", "iostat", "avg-cpu", "%system"),
},
plugin.Metric{
Namespace: plugin.NewNamespace("intel", "iostat", "avg-cpu", "%iowait"),
},
plugin.Metric{
Namespace: plugin.NewNamespace("intel", "iostat", "avg-cpu", "%steal"),
},
plugin.Metric{
Namespace: plugin.NewNamespace("intel", "iostat", "avg-cpu", "%idle"),
},
}
var dynamicMockMts = []plugin.Metric{
plugin.Metric{
Namespace: plugin.NewNamespace("intel", "iostat", "device").
AddDynamicElement("device_id", "Device ID").
AddStaticElement("%util"),
},
plugin.Metric{
Namespace: plugin.NewNamespace("intel", "iostat", "device").
AddDynamicElement("device_id", "Device ID").
AddStaticElement("await"),
},
plugin.Metric{
Namespace: plugin.NewNamespace("intel", "iostat", "device").
AddDynamicElement("device_id", "Device ID").
AddStaticElement("rrqm_per_sec"),
},
plugin.Metric{
Namespace: plugin.NewNamespace("intel", "iostat", "device").
AddDynamicElement("device_id", "Device ID").
AddStaticElement("wrqm_per_sec"),
},
plugin.Metric{
Namespace: plugin.NewNamespace("intel", "iostat", "device").
AddDynamicElement("device_id", "Device ID").
AddStaticElement("r_per_sec"),
},
plugin.Metric{
Namespace: plugin.NewNamespace("intel", "iostat", "device").
AddDynamicElement("device_id", "Device ID").
AddStaticElement("w_per_sec"),
},
plugin.Metric{
Namespace: plugin.NewNamespace("intel", "iostat", "device").
AddDynamicElement("device_id", "Device ID").
AddStaticElement("avgrq-sz"),
},
plugin.Metric{
Namespace: plugin.NewNamespace("intel", "iostat", "device").
AddDynamicElement("device_id", "Device ID").
AddStaticElement("avgqu-sz"),
},
}
type mockCmdRunner struct{}
func (c *mockCmdRunner) Run(cmd string, args []string) (io.Reader, error) {
return strings.NewReader(mockCmdOut), nil
}
func (c *mockCmdRunner) Exec(cmd string, args []string) string {
return mockExecOut
}
//////////////////////////////////////////////////////////////////////////////
// *** TESTS *** //
//////////////////////////////////////////////////////////////////////////////
func TestIostat(t *testing.T) {
iostat := &Iostat{parser: parser.New(), cmd: &mockCmdRunner{}}
Convey("Given invalid metric namespace collect metrics", t, func() {
badMetrics := []plugin.Metric{
plugin.Metric{
Namespace: plugin.NewNamespace("intel", "iostat", "device", "sda", "bad"),
},
}
So(func() { iostat.CollectMetrics(badMetrics) }, ShouldNotPanic)
result, err := iostat.CollectMetrics(badMetrics)
So(err, ShouldBeNil)
for _, r := range result {
So(r.Namespace, ShouldBeEmpty)
So(r.Data, ShouldBeNil)
}
})
Convey("Given valid static metric namespace collect metrics", t, func() {
So(func() { iostat.CollectMetrics(staticMockMts) }, ShouldNotPanic)
result, err := iostat.CollectMetrics(staticMockMts)
So(len(result), ShouldEqual, 6)
So(err, ShouldBeNil)
So(result[0].Data, ShouldEqual, 0.50)
So(result[1].Data, ShouldEqual, 0)
So(result[2].Data, ShouldEqual, 0.13)
So(result[3].Data, ShouldEqual, 0)
So(result[4].Data, ShouldEqual, 0)
So(result[5].Data, ShouldEqual, 99.37)
})
Convey("Given valid dynamic metric namespace collect metrics", t, func() {
So(func() { iostat.CollectMetrics(dynamicMockMts) }, ShouldNotPanic)
result, err := iostat.CollectMetrics(dynamicMockMts)
So(len(result), ShouldEqual, 72)
So(err, ShouldBeNil)
m := make(map[string]interface{}, len(result))
for _, r := range result {
m[r.Namespace.String()] = r.Data
}
So(len(m), ShouldEqual, len(refMap))
for key, val := range refMap {
v, ok := m[key]
So(ok, ShouldBeTrue)
So(v, ShouldEqual, val)
}
for _, r := range result {
_, ok := r.Data.(float64)
So(ok, ShouldBeTrue)
}
})
Convey("Get metric types", t, func() {
mts, err := iostat.GetMetricTypes(plugin.Config{})
So(err, ShouldBeNil)
So(len(mts), ShouldEqual, 19)
namespaces := []string{}
for _, m := range mts {
namespaces = append(namespaces, m.Namespace.String())
}
So(namespaces, ShouldContain, "/intel/iostat/avg-cpu/%idle")
So(namespaces, ShouldContain, "/intel/iostat/avg-cpu/%iowait")
So(namespaces, ShouldContain, "/intel/iostat/avg-cpu/%nice")
So(namespaces, ShouldContain, "/intel/iostat/avg-cpu/%steal")
So(namespaces, ShouldContain, "/intel/iostat/avg-cpu/%system")
So(namespaces, ShouldContain, "/intel/iostat/avg-cpu/%user")
So(namespaces, ShouldContain, "/intel/iostat/device/*/%util")
So(namespaces, ShouldContain, "/intel/iostat/device/*/avgqu-sz")
So(namespaces, ShouldContain, "/intel/iostat/device/*/avgrq-sz")
So(namespaces, ShouldContain, "/intel/iostat/device/*/await")
So(namespaces, ShouldContain, "/intel/iostat/device/*/r_await")
So(namespaces, ShouldContain, "/intel/iostat/device/*/r_per_sec")
So(namespaces, ShouldContain, "/intel/iostat/device/*/rkB_per_sec")
So(namespaces, ShouldContain, "/intel/iostat/device/*/rrqm_per_sec")
So(namespaces, ShouldContain, "/intel/iostat/device/*/svctm")
So(namespaces, ShouldContain, "/intel/iostat/device/*/w_await")
So(namespaces, ShouldContain, "/intel/iostat/device/*/w_per_sec")
So(namespaces, ShouldContain, "/intel/iostat/device/*/wkB_per_sec")
So(namespaces, ShouldContain, "/intel/iostat/device/*/wrqm_per_sec")
})
Convey("Get config policy", t, func() {
policy, err := iostat.GetConfigPolicy()
So(err, ShouldBeNil)
So(&policy, ShouldResemble, plugin.NewConfigPolicy())
})
}