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// SPDX-License-Identifier: GPL-3.0-or-later
package zfspool
import (
"errors"
"os"
"testing"
"github.com/netdata/netdata/go/go.d.plugin/agent/module"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
var (
dataConfigJSON, _ = os.ReadFile("testdata/config.json")
dataConfigYAML, _ = os.ReadFile("testdata/config.yaml")
dataZpoolList, _ = os.ReadFile("testdata/zpool-list.txt")
)
func Test_testDataIsValid(t *testing.T) {
for name, data := range map[string][]byte{
"dataConfigJSON": dataConfigJSON,
"dataConfigYAML": dataConfigYAML,
"dataZpoolList": dataZpoolList,
} {
require.NotNil(t, data, name)
}
}
func TestZFSPool_Configuration(t *testing.T) {
module.TestConfigurationSerialize(t, &ZFSPool{}, dataConfigJSON, dataConfigYAML)
}
func TestZFSPool_Init(t *testing.T) {
tests := map[string]struct {
config Config
wantFail bool
}{
"fails if 'binary_path' is not set": {
wantFail: true,
config: Config{
BinaryPath: "",
},
},
"fails if failed to find binary": {
wantFail: true,
config: Config{
BinaryPath: "zpool!!!",
},
},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
zp := New()
zp.Config = test.config
if test.wantFail {
assert.Error(t, zp.Init())
} else {
assert.NoError(t, zp.Init())
}
})
}
}
func TestZFSPool_Cleanup(t *testing.T) {
tests := map[string]struct {
prepare func() *ZFSPool
}{
"not initialized exec": {
prepare: func() *ZFSPool {
return New()
},
},
"after check": {
prepare: func() *ZFSPool {
zp := New()
zp.exec = prepareMockOK()
_ = zp.Check()
return zp
},
},
"after collect": {
prepare: func() *ZFSPool {
zp := New()
zp.exec = prepareMockOK()
_ = zp.Collect()
return zp
},
},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
zp := test.prepare()
assert.NotPanics(t, zp.Cleanup)
})
}
}
func TestZFSPool_Charts(t *testing.T) {
assert.NotNil(t, New().Charts())
}
func TestZFSPool_Check(t *testing.T) {
tests := map[string]struct {
prepareMock func() *mockZpoolCLIExec
wantFail bool
}{
"success case": {
prepareMock: prepareMockOK,
wantFail: false,
},
"error on list call": {
prepareMock: prepareMockErrOnList,
wantFail: true,
},
"empty response": {
prepareMock: prepareMockEmptyResponse,
wantFail: true,
},
"unexpected response": {
prepareMock: prepareMockUnexpectedResponse,
wantFail: true,
},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
zp := New()
mock := test.prepareMock()
zp.exec = mock
if test.wantFail {
assert.Error(t, zp.Check())
} else {
assert.NoError(t, zp.Check())
}
})
}
}
func TestZFSPool_Collect(t *testing.T) {
tests := map[string]struct {
prepareMock func() *mockZpoolCLIExec
wantMetrics map[string]int64
}{
"success case": {
prepareMock: prepareMockOK,
wantMetrics: map[string]int64{
"zpool_rpool_alloc": 9051643576,
"zpool_rpool_cap": 42,
"zpool_rpool_frag": 33,
"zpool_rpool_free": 12240656794,
"zpool_rpool_health_state_degraded": 0,
"zpool_rpool_health_state_faulted": 0,
"zpool_rpool_health_state_offline": 0,
"zpool_rpool_health_state_online": 1,
"zpool_rpool_health_state_removed": 0,
"zpool_rpool_health_state_suspended": 0,
"zpool_rpool_health_state_unavail": 0,
"zpool_rpool_size": 21367462298,
"zpool_zion_health_state_degraded": 0,
"zpool_zion_health_state_faulted": 1,
"zpool_zion_health_state_offline": 0,
"zpool_zion_health_state_online": 0,
"zpool_zion_health_state_removed": 0,
"zpool_zion_health_state_suspended": 0,
"zpool_zion_health_state_unavail": 0,
},
},
"error on list call": {
prepareMock: prepareMockErrOnList,
wantMetrics: nil,
},
"empty response": {
prepareMock: prepareMockEmptyResponse,
wantMetrics: nil,
},
"unexpected response": {
prepareMock: prepareMockUnexpectedResponse,
wantMetrics: nil,
},
}
for name, test := range tests {
t.Run(name, func(t *testing.T) {
zp := New()
mock := test.prepareMock()
zp.exec = mock
mx := zp.Collect()
assert.Equal(t, test.wantMetrics, mx)
if len(test.wantMetrics) > 0 {
assert.Len(t, *zp.Charts(), len(zpoolChartsTmpl)*len(zp.zpools))
}
})
}
}
func prepareMockOK() *mockZpoolCLIExec {
return &mockZpoolCLIExec{
listData: dataZpoolList,
}
}
func prepareMockErrOnList() *mockZpoolCLIExec {
return &mockZpoolCLIExec{
errOnList: true,
}
}
func prepareMockEmptyResponse() *mockZpoolCLIExec {
return &mockZpoolCLIExec{}
}
func prepareMockUnexpectedResponse() *mockZpoolCLIExec {
return &mockZpoolCLIExec{
listData: []byte(`
Lorem ipsum dolor sit amet, consectetur adipiscing elit.
Nulla malesuada erat id magna mattis, eu viverra tellus rhoncus.
Fusce et felis pulvinar, posuere sem non, porttitor eros.
`),
}
}
type mockZpoolCLIExec struct {
errOnList bool
listData []byte
}
func (m *mockZpoolCLIExec) list() ([]byte, error) {
if m.errOnList {
return nil, errors.New("mock.list() error")
}
return m.listData, nil
}
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