test(pkg/storage): add test for compression and rounding

cmd/compression/compression.go

@@ -4,16 +4,16 @@ import (
 	"log"
 
 	"github.com/Masterminds/semver"
+	"github.com/go-flucky/flucky/pkg/storage"
 	"github.com/go-flucky/flucky/pkg/storage/logfile"
 
 	"github.com/spf13/cobra"
 )
 
 var (
-	compression bool
-	configFile  *string
-
-	version *semver.Version
+	configFile *string
+	round      float64
+	version    *semver.Version
 )
 
 var compressionCmd = &cobra.Command{
@@ -23,15 +23,19 @@ var compressionCmd = &cobra.Command{
 	Example: "flucky compression /var/log/flucky/logfile.csv",
 	Run: func(cmd *cobra.Command, args []string) {
 
-		measuredValueLogfile := logfile.New(args[0])
-		measuredValues, err := measuredValueLogfile.Read()
+		logfileInput := logfile.New(args[0])
+		measuredValues, err := logfileInput.Read()
 		if err != nil {
 			log.Fatalln(err)
 		}
 
-		measuredValues = logfile.Compression(measuredValues)
+		if round != 0 {
+			storage.Round(measuredValues, round)
+		}
 
-		err = measuredValueLogfile.Write(measuredValues)
+		storage.Compression(measuredValues)
+
+		err = logfileInput.Write(measuredValues)
 		if err != nil {
 			log.Fatalln(err)
 		}
@@ -43,5 +47,6 @@ func InitCmd(cmd *cobra.Command, cnfFile *string, sverion *semver.Version) {
 	version = sverion
 
 	cmd.AddCommand(compressionCmd)
+	compressionCmd.Flags().Float64Var(&round, "round", 0, "Round values. The value 0 deactivates the function")
 
 }