adding tests for Smart and parser.

webapp/backend/pkg/models/measurements/smart.go

@@ -109,6 +109,9 @@ func (sm *Smart) FromCollectorSmartInfo(wwn string, info collector.SmartInfo) er
 	sm.Temp = info.Temperature.Current
 	sm.PowerCycleCount = info.PowerCycleCount
 	sm.PowerOnHours = info.PowerOnTime.Hours
+	if !info.SmartStatus.Passed {
+		sm.Status = pkg.DeviceStatusFailedSmart
+	}
 
 	sm.DeviceProtocol = info.Device.Protocol
 	// process ATA/NVME/SCSI protocol data
@@ -126,7 +129,6 @@ func (sm *Smart) FromCollectorSmartInfo(wwn string, info collector.SmartInfo) er
 
 //generate SmartAtaAttribute entries from Scrutiny Collector Smart data.
 func (sm *Smart) ProcessAtaSmartInfo(tableItems []collector.AtaSmartAttributesTableItem) {
-	sm.Status = pkg.DeviceStatusPassed
 	for _, collectorAttr := range tableItems {
 		attrModel := SmartAtaAttribute{
 			AttributeId: collectorAttr.ID,
@@ -147,7 +149,7 @@ func (sm *Smart) ProcessAtaSmartInfo(tableItems []collector.AtaSmartAttributesTa
 		attrModel.PopulateAttributeStatus()
 		sm.Attributes[strconv.Itoa(collectorAttr.ID)] = &attrModel
 		if attrModel.Status == pkg.SmartAttributeStatusFailed {
-			sm.Status = pkg.DeviceStatusFailedScrutiny
+			sm.Status = pkg.Set(sm.Status, pkg.DeviceStatusFailedScrutiny)
 		}
 	}
 }
@@ -177,7 +179,7 @@ func (sm *Smart) ProcessNvmeSmartInfo(nvmeSmartHealthInformationLog collector.Nv
 	//find analyzed attribute status
 	for _, val := range sm.Attributes {
 		if val.GetStatus() == pkg.SmartAttributeStatusFailed {
-			sm.Status = pkg.DeviceStatusFailedScrutiny
+			sm.Status = pkg.Set(sm.Status, pkg.DeviceStatusFailedScrutiny)
 		}
 	}
 }
@@ -203,7 +205,7 @@ func (sm *Smart) ProcessScsiSmartInfo(defectGrownList int64, scsiErrorCounterLog
 	//find analyzed attribute status
 	for _, val := range sm.Attributes {
 		if val.GetStatus() == pkg.SmartAttributeStatusFailed {
-			sm.Status = pkg.DeviceStatusFailedScrutiny
+			sm.Status = pkg.Set(sm.Status, pkg.DeviceStatusFailedScrutiny)
 		}
 	}
 }

webapp/backend/pkg/models/measurements/smart_test.go

@@ -1,141 +1,436 @@
 package measurements_test
 
-//func TestFromCollectorSmartInfo(t *testing.T) {
-//	//setup
-//	smartDataFile, err := os.Open("../testdata/smart-ata.json")
-//	require.NoError(t, err)
-//	defer smartDataFile.Close()
-//
-//	var smartJson collector.SmartInfo
-//
-//	smartDataBytes, err := ioutil.ReadAll(smartDataFile)
-//	require.NoError(t, err)
-//	err = json.Unmarshal(smartDataBytes, &smartJson)
-//	require.NoError(t, err)
-//
-//	//test
-//	smartMdl := db.Smart{}
-//	err = smartMdl.FromCollectorSmartInfo("WWN-test", smartJson)
-//
-//	//assert
-//	require.NoError(t, err)
-//	require.Equal(t, "WWN-test", smartMdl.DeviceWWN)
-//	require.Equal(t, "passed", smartMdl.SmartStatus)
-//	require.Equal(t, 18, len(smartMdl.Attributes))
-//
-//	//check that temperature was correctly parsed
-//	for _, attr := range smartMdl.Attributes {
-//		if attr.AttributeId == 194 {
-//			require.Equal(t, int64(163210330144), attr.RawValue)
-//			require.Equal(t, int64(32), attr.TransformedValue)
-//		}
-//	}
-//}
-//
-//func TestFromCollectorSmartInfo_Fail(t *testing.T) {
-//	//setup
-//	smartDataFile, err := os.Open("../testdata/smart-fail.json")
-//	require.NoError(t, err)
-//	defer smartDataFile.Close()
-//
-//	var smartJson collector.SmartInfo
-//
-//	smartDataBytes, err := ioutil.ReadAll(smartDataFile)
-//	require.NoError(t, err)
-//	err = json.Unmarshal(smartDataBytes, &smartJson)
-//	require.NoError(t, err)
-//
-//	//test
-//	smartMdl := db.Smart{}
-//	err = smartMdl.FromCollectorSmartInfo("WWN-test", smartJson)
-//
-//	//assert
-//	require.NoError(t, err)
-//	require.Equal(t, "WWN-test", smartMdl.DeviceWWN)
-//	require.Equal(t, "failed", smartMdl.SmartStatus)
-//	require.Equal(t, 0, len(smartMdl.AtaAttributes))
-//	require.Equal(t, 0, len(smartMdl.NvmeAttributes))
-//	require.Equal(t, 0, len(smartMdl.ScsiAttributes))
-//}
-//
-//func TestFromCollectorSmartInfo_Fail2(t *testing.T) {
-//	//setup
-//	smartDataFile, err := os.Open("../testdata/smart-fail2.json")
-//	require.NoError(t, err)
-//	defer smartDataFile.Close()
-//
-//	var smartJson collector.SmartInfo
-//
-//	smartDataBytes, err := ioutil.ReadAll(smartDataFile)
-//	require.NoError(t, err)
-//	err = json.Unmarshal(smartDataBytes, &smartJson)
-//	require.NoError(t, err)
-//
-//	//test
-//	smartMdl := db.Smart{}
-//	err = smartMdl.FromCollectorSmartInfo("WWN-test", smartJson)
-//
-//	//assert
-//	require.NoError(t, err)
-//	require.Equal(t, "WWN-test", smartMdl.DeviceWWN)
-//	require.Equal(t, "failed", smartMdl.SmartStatus)
-//	require.Equal(t, 17, len(smartMdl.Attributes))
-//}
-//
-//func TestFromCollectorSmartInfo_Nvme(t *testing.T) {
-//	//setup
-//	smartDataFile, err := os.Open("../testdata/smart-nvme.json")
-//	require.NoError(t, err)
-//	defer smartDataFile.Close()
-//
-//	var smartJson collector.SmartInfo
-//
-//	smartDataBytes, err := ioutil.ReadAll(smartDataFile)
-//	require.NoError(t, err)
-//	err = json.Unmarshal(smartDataBytes, &smartJson)
-//	require.NoError(t, err)
-//
-//	//test
-//	smartMdl := db.Smart{}
-//	err = smartMdl.FromCollectorSmartInfo("WWN-test", smartJson)
-//
-//	//assert
-//	require.NoError(t, err)
-//	require.Equal(t, "WWN-test", smartMdl.DeviceWWN)
-//	require.Equal(t, "passed", smartMdl.SmartStatus)
-//	require.Equal(t, 0, len(smartMdl.AtaAttributes))
-//	require.Equal(t, 16, len(smartMdl.NvmeAttributes))
-//	require.Equal(t, 0, len(smartMdl.ScsiAttributes))
-//
-//	require.Equal(t, 111303174, smartMdl.NvmeAttributes[6].Value)
-//	require.Equal(t, 83170961, smartMdl.NvmeAttributes[7].Value)
-//}
-//
-//func TestFromCollectorSmartInfo_Scsi(t *testing.T) {
-//	//setup
-//	smartDataFile, err := os.Open("../testdata/smart-scsi.json")
-//	require.NoError(t, err)
-//	defer smartDataFile.Close()
-//
-//	var smartJson collector.SmartInfo
-//
-//	smartDataBytes, err := ioutil.ReadAll(smartDataFile)
-//	require.NoError(t, err)
-//	err = json.Unmarshal(smartDataBytes, &smartJson)
-//	require.NoError(t, err)
-//
-//	//test
-//	smartMdl := db.Smart{}
-//	err = smartMdl.FromCollectorSmartInfo("WWN-test", smartJson)
-//
-//	//assert
-//	require.NoError(t, err)
-//	require.Equal(t, "WWN-test", smartMdl.DeviceWWN)
-//	require.Equal(t, "passed", smartMdl.SmartStatus)
-//	require.Equal(t, 0, len(smartMdl.AtaAttributes))
-//	require.Equal(t, 0, len(smartMdl.NvmeAttributes))
-//	require.Equal(t, 13, len(smartMdl.ScsiAttributes))
-//
-//	require.Equal(t, 56, smartMdl.ScsiAttributes[0].Value)
-//	require.Equal(t, 300357663, smartMdl.ScsiAttributes[4].Value) //total_errors_corrected
-//}
+import (
+	"encoding/json"
+	"github.com/analogj/scrutiny/webapp/backend/pkg"
+	"github.com/analogj/scrutiny/webapp/backend/pkg/models/collector"
+	"github.com/analogj/scrutiny/webapp/backend/pkg/models/measurements"
+	"github.com/stretchr/testify/require"
+	"io/ioutil"
+	"os"
+	"testing"
+	"time"
+)
+
+func TestSmart_Flatten(t *testing.T) {
+	//setup
+	timeNow := time.Now()
+	smart := measurements.Smart{
+		Date:            timeNow,
+		DeviceWWN:       "test-wwn",
+		DeviceProtocol:  pkg.DeviceProtocolAta,
+		Temp:            50,
+		PowerOnHours:    10,
+		PowerCycleCount: 10,
+		Attributes:      nil,
+		Status:          0,
+	}
+
+	//test
+	tags, fields := smart.Flatten()
+
+	//assert
+	require.Equal(t, map[string]string{"device_protocol": "ATA", "device_wwn": "test-wwn"}, tags)
+	require.Equal(t, map[string]interface{}{"power_cycle_count": int64(10), "power_on_hours": int64(10), "temp": int64(50)}, fields)
+}
+
+func TestSmart_Flatten_ATA(t *testing.T) {
+	//setup
+	timeNow := time.Now()
+	smart := measurements.Smart{
+		Date:            timeNow,
+		DeviceWWN:       "test-wwn",
+		DeviceProtocol:  pkg.DeviceProtocolAta,
+		Temp:            50,
+		PowerOnHours:    10,
+		PowerCycleCount: 10,
+		Status:          0,
+		Attributes: map[string]measurements.SmartAttribute{
+			"1": &measurements.SmartAtaAttribute{
+				AttributeId: 1,
+				Value:       100,
+				Threshold:   1,
+				Worst:       100,
+				RawValue:    0,
+				RawString:   "0",
+				WhenFailed:  "",
+			},
+			"2": &measurements.SmartAtaAttribute{
+				AttributeId: 2,
+				Value:       135,
+				Threshold:   54,
+				Worst:       135,
+				RawValue:    108,
+				RawString:   "108",
+				WhenFailed:  "",
+			},
+		},
+	}
+
+	//test
+	tags, fields := smart.Flatten()
+
+	//assert
+	require.Equal(t, map[string]string{"device_protocol": "ATA", "device_wwn": "test-wwn"}, tags)
+	require.Equal(t, map[string]interface{}{
+		"attr.1.attribute_id":      "1",
+		"attr.1.failure_rate":      float64(0),
+		"attr.1.raw_string":        "0",
+		"attr.1.raw_value":         int64(0),
+		"attr.1.status":            int64(0),
+		"attr.1.status_reason":     "",
+		"attr.1.thresh":            int64(1),
+		"attr.1.transformed_value": int64(0),
+		"attr.1.value":             int64(100),
+		"attr.1.when_failed":       "",
+		"attr.1.worst":             int64(100),
+
+		"attr.2.attribute_id":      "2",
+		"attr.2.failure_rate":      float64(0),
+		"attr.2.raw_string":        "108",
+		"attr.2.raw_value":         int64(108),
+		"attr.2.status":            int64(0),
+		"attr.2.status_reason":     "",
+		"attr.2.thresh":            int64(54),
+		"attr.2.transformed_value": int64(0),
+		"attr.2.value":             int64(135),
+		"attr.2.when_failed":       "",
+		"attr.2.worst":             int64(135),
+
+		"power_cycle_count": int64(10),
+		"power_on_hours":    int64(10),
+		"temp":              int64(50),
+	}, fields)
+}
+
+func TestSmart_Flatten_SCSI(t *testing.T) {
+	//setup
+	timeNow := time.Now()
+	smart := measurements.Smart{
+		Date:            timeNow,
+		DeviceWWN:       "test-wwn",
+		DeviceProtocol:  pkg.DeviceProtocolScsi,
+		Temp:            50,
+		PowerOnHours:    10,
+		PowerCycleCount: 10,
+		Status:          0,
+		Attributes: map[string]measurements.SmartAttribute{
+			"read_errors_corrected_by_eccfast": &measurements.SmartScsiAttribute{
+				AttributeId: "read_errors_corrected_by_eccfast",
+				Value:       int64(300357663),
+			},
+		},
+	}
+
+	//test
+	tags, fields := smart.Flatten()
+
+	//assert
+	require.Equal(t, map[string]string{"device_protocol": "SCSI", "device_wwn": "test-wwn"}, tags)
+	require.Equal(t, map[string]interface{}{
+		"attr.read_errors_corrected_by_eccfast.attribute_id":      "read_errors_corrected_by_eccfast",
+		"attr.read_errors_corrected_by_eccfast.failure_rate":      float64(0),
+		"attr.read_errors_corrected_by_eccfast.status":            int64(0),
+		"attr.read_errors_corrected_by_eccfast.status_reason":     "",
+		"attr.read_errors_corrected_by_eccfast.thresh":            int64(0),
+		"attr.read_errors_corrected_by_eccfast.transformed_value": int64(0),
+		"attr.read_errors_corrected_by_eccfast.value":             int64(300357663),
+		"power_cycle_count": int64(10),
+		"power_on_hours":    int64(10),
+		"temp":              int64(50)},
+		fields)
+}
+
+func TestSmart_Flatten_NVMe(t *testing.T) {
+	//setup
+	timeNow := time.Now()
+	smart := measurements.Smart{
+		Date:            timeNow,
+		DeviceWWN:       "test-wwn",
+		DeviceProtocol:  pkg.DeviceProtocolNvme,
+		Temp:            50,
+		PowerOnHours:    10,
+		PowerCycleCount: 10,
+		Status:          0,
+		Attributes: map[string]measurements.SmartAttribute{
+			"available_spare": &measurements.SmartNvmeAttribute{
+				AttributeId: "available_spare",
+				Value:       int64(100),
+			},
+		},
+	}
+
+	//test
+	tags, fields := smart.Flatten()
+
+	//assert
+	require.Equal(t, map[string]string{"device_protocol": "NVMe", "device_wwn": "test-wwn"}, tags)
+	require.Equal(t, map[string]interface{}{
+		"attr.available_spare.attribute_id":      "available_spare",
+		"attr.available_spare.failure_rate":      float64(0),
+		"attr.available_spare.status":            int64(0),
+		"attr.available_spare.status_reason":     "",
+		"attr.available_spare.thresh":            int64(0),
+		"attr.available_spare.transformed_value": int64(0),
+		"attr.available_spare.value":             int64(100),
+		"power_cycle_count":                      int64(10),
+		"power_on_hours":                         int64(10),
+		"temp":                                   int64(50)}, fields)
+}
+
+func TestNewSmartFromInfluxDB_ATA(t *testing.T) {
+	//setup
+	timeNow := time.Now()
+	attrs := map[string]interface{}{
+		"_time":                    timeNow,
+		"device_wwn":               "test-wwn",
+		"device_protocol":          pkg.DeviceProtocolAta,
+		"attr.1.attribute_id":      "1",
+		"attr.1.failure_rate":      float64(0),
+		"attr.1.raw_string":        "108",
+		"attr.1.raw_value":         int64(108),
+		"attr.1.status":            int64(0),
+		"attr.1.status_reason":     "",
+		"attr.1.thresh":            int64(54),
+		"attr.1.transformed_value": int64(0),
+		"attr.1.value":             int64(135),
+		"attr.1.when_failed":       "",
+		"attr.1.worst":             int64(135),
+		"power_cycle_count":        int64(10),
+		"power_on_hours":           int64(10),
+		"temp":                     int64(50),
+	}
+
+	//test
+	smart, err := measurements.NewSmartFromInfluxDB(attrs)
+
+	//assert
+	require.NoError(t, err)
+	require.Equal(t, &measurements.Smart{
+		Date:            timeNow,
+		DeviceWWN:       "test-wwn",
+		DeviceProtocol:  "ATA",
+		Temp:            50,
+		PowerOnHours:    10,
+		PowerCycleCount: 10,
+		Attributes: map[string]measurements.SmartAttribute{
+			"1": &measurements.SmartAtaAttribute{
+				AttributeId: 1,
+				Value:       135,
+				Threshold:   54,
+				Worst:       135,
+				RawValue:    108,
+				RawString:   "108",
+				WhenFailed:  "",
+			},
+		}, Status: 0}, smart)
+}
+
+func TestNewSmartFromInfluxDB_NVMe(t *testing.T) {
+	//setup
+	timeNow := time.Now()
+	attrs := map[string]interface{}{
+		"_time":                                  timeNow,
+		"device_wwn":                             "test-wwn",
+		"device_protocol":                        pkg.DeviceProtocolNvme,
+		"attr.available_spare.attribute_id":      "available_spare",
+		"attr.available_spare.failure_rate":      float64(0),
+		"attr.available_spare.status":            int64(0),
+		"attr.available_spare.status_reason":     "",
+		"attr.available_spare.thresh":            int64(0),
+		"attr.available_spare.transformed_value": int64(0),
+		"attr.available_spare.value":             int64(100),
+		"power_cycle_count":                      int64(10),
+		"power_on_hours":                         int64(10),
+		"temp":                                   int64(50),
+	}
+
+	//test
+	smart, err := measurements.NewSmartFromInfluxDB(attrs)
+
+	//assert
+	require.NoError(t, err)
+	require.Equal(t, &measurements.Smart{
+		Date:            timeNow,
+		DeviceWWN:       "test-wwn",
+		DeviceProtocol:  "NVMe",
+		Temp:            50,
+		PowerOnHours:    10,
+		PowerCycleCount: 10,
+		Attributes: map[string]measurements.SmartAttribute{
+			"available_spare": &measurements.SmartNvmeAttribute{
+				AttributeId: "available_spare",
+				Value:       int64(100),
+			},
+		}, Status: 0}, smart)
+}
+
+func TestNewSmartFromInfluxDB_SCSI(t *testing.T) {
+	//setup
+	timeNow := time.Now()
+	attrs := map[string]interface{}{
+		"_time":           timeNow,
+		"device_wwn":      "test-wwn",
+		"device_protocol": pkg.DeviceProtocolScsi,
+		"attr.read_errors_corrected_by_eccfast.attribute_id":      "read_errors_corrected_by_eccfast",
+		"attr.read_errors_corrected_by_eccfast.failure_rate":      float64(0),
+		"attr.read_errors_corrected_by_eccfast.status":            int64(0),
+		"attr.read_errors_corrected_by_eccfast.status_reason":     "",
+		"attr.read_errors_corrected_by_eccfast.thresh":            int64(0),
+		"attr.read_errors_corrected_by_eccfast.transformed_value": int64(0),
+		"attr.read_errors_corrected_by_eccfast.value":             int64(300357663),
+		"power_cycle_count": int64(10),
+		"power_on_hours":    int64(10),
+		"temp":              int64(50),
+	}
+
+	//test
+	smart, err := measurements.NewSmartFromInfluxDB(attrs)
+
+	//assert
+	require.NoError(t, err)
+	require.Equal(t, &measurements.Smart{
+		Date:            timeNow,
+		DeviceWWN:       "test-wwn",
+		DeviceProtocol:  "SCSI",
+		Temp:            50,
+		PowerOnHours:    10,
+		PowerCycleCount: 10,
+		Attributes: map[string]measurements.SmartAttribute{
+			"read_errors_corrected_by_eccfast": &measurements.SmartScsiAttribute{
+				AttributeId: "read_errors_corrected_by_eccfast",
+				Value:       int64(300357663),
+			},
+		}, Status: 0}, smart)
+}
+
+func TestFromCollectorSmartInfo(t *testing.T) {
+	//setup
+	smartDataFile, err := os.Open("../testdata/smart-ata.json")
+	require.NoError(t, err)
+	defer smartDataFile.Close()
+
+	var smartJson collector.SmartInfo
+
+	smartDataBytes, err := ioutil.ReadAll(smartDataFile)
+	require.NoError(t, err)
+	err = json.Unmarshal(smartDataBytes, &smartJson)
+	require.NoError(t, err)
+
+	//test
+	smartMdl := measurements.Smart{}
+	err = smartMdl.FromCollectorSmartInfo("WWN-test", smartJson)
+
+	//assert
+	require.NoError(t, err)
+	require.Equal(t, "WWN-test", smartMdl.DeviceWWN)
+	require.Equal(t, pkg.DeviceStatusPassed, smartMdl.Status)
+	require.Equal(t, 18, len(smartMdl.Attributes))
+
+	//check that temperature was correctly parsed
+
+	require.Equal(t, int64(163210330144), smartMdl.Attributes["194"].(*measurements.SmartAtaAttribute).RawValue)
+	require.Equal(t, int64(32), smartMdl.Attributes["194"].(*measurements.SmartAtaAttribute).TransformedValue)
+}
+
+func TestFromCollectorSmartInfo_Fail_Smart(t *testing.T) {
+	//setup
+	smartDataFile, err := os.Open("../testdata/smart-fail.json")
+	require.NoError(t, err)
+	defer smartDataFile.Close()
+
+	var smartJson collector.SmartInfo
+
+	smartDataBytes, err := ioutil.ReadAll(smartDataFile)
+	require.NoError(t, err)
+	err = json.Unmarshal(smartDataBytes, &smartJson)
+	require.NoError(t, err)
+
+	//test
+	smartMdl := measurements.Smart{}
+	err = smartMdl.FromCollectorSmartInfo("WWN-test", smartJson)
+
+	//assert
+	require.NoError(t, err)
+	require.Equal(t, "WWN-test", smartMdl.DeviceWWN)
+	require.Equal(t, pkg.DeviceStatusFailedSmart, smartMdl.Status)
+	require.Equal(t, 0, len(smartMdl.Attributes))
+}
+
+func TestFromCollectorSmartInfo_Fail_ScrutinySmart(t *testing.T) {
+	//setup
+	smartDataFile, err := os.Open("../testdata/smart-fail2.json")
+	require.NoError(t, err)
+	defer smartDataFile.Close()
+
+	var smartJson collector.SmartInfo
+
+	smartDataBytes, err := ioutil.ReadAll(smartDataFile)
+	require.NoError(t, err)
+	err = json.Unmarshal(smartDataBytes, &smartJson)
+	require.NoError(t, err)
+
+	//test
+	smartMdl := measurements.Smart{}
+	err = smartMdl.FromCollectorSmartInfo("WWN-test", smartJson)
+
+	//assert
+	require.NoError(t, err)
+	require.Equal(t, "WWN-test", smartMdl.DeviceWWN)
+	require.Equal(t, pkg.DeviceStatusFailedScrutiny|pkg.DeviceStatusFailedSmart, smartMdl.Status)
+	require.Equal(t, 17, len(smartMdl.Attributes))
+}
+
+func TestFromCollectorSmartInfo_Nvme(t *testing.T) {
+	//setup
+	smartDataFile, err := os.Open("../testdata/smart-nvme.json")
+	require.NoError(t, err)
+	defer smartDataFile.Close()
+
+	var smartJson collector.SmartInfo
+
+	smartDataBytes, err := ioutil.ReadAll(smartDataFile)
+	require.NoError(t, err)
+	err = json.Unmarshal(smartDataBytes, &smartJson)
+	require.NoError(t, err)
+
+	//test
+	smartMdl := measurements.Smart{}
+	err = smartMdl.FromCollectorSmartInfo("WWN-test", smartJson)
+
+	//assert
+	require.NoError(t, err)
+	require.Equal(t, "WWN-test", smartMdl.DeviceWWN)
+	require.Equal(t, pkg.DeviceStatusPassed, smartMdl.Status)
+	require.Equal(t, 16, len(smartMdl.Attributes))
+
+	require.Equal(t, int64(111303174), smartMdl.Attributes["host_reads"].(*measurements.SmartNvmeAttribute).Value)
+	require.Equal(t, int64(83170961), smartMdl.Attributes["host_writes"].(*measurements.SmartNvmeAttribute).Value)
+}
+
+func TestFromCollectorSmartInfo_Scsi(t *testing.T) {
+	//setup
+	smartDataFile, err := os.Open("../testdata/smart-scsi.json")
+	require.NoError(t, err)
+	defer smartDataFile.Close()
+
+	var smartJson collector.SmartInfo
+
+	smartDataBytes, err := ioutil.ReadAll(smartDataFile)
+	require.NoError(t, err)
+	err = json.Unmarshal(smartDataBytes, &smartJson)
+	require.NoError(t, err)
+
+	//test
+	smartMdl := measurements.Smart{}
+	err = smartMdl.FromCollectorSmartInfo("WWN-test", smartJson)
+
+	//assert
+	require.NoError(t, err)
+	require.Equal(t, "WWN-test", smartMdl.DeviceWWN)
+	require.Equal(t, pkg.DeviceStatusPassed, smartMdl.Status)
+	require.Equal(t, 13, len(smartMdl.Attributes))
+
+	require.Equal(t, int64(56), smartMdl.Attributes["scsi_grown_defect_list"].(*measurements.SmartScsiAttribute).Value)
+	require.Equal(t, int64(300357663), smartMdl.Attributes["read_errors_corrected_by_eccfast"].(*measurements.SmartScsiAttribute).Value) //total_errors_corrected
+}