feat: verbose logs.

Author: saboteurkid

converter/directory.go

@@ -62,13 +62,18 @@ func (c *directoryConverter) convertFile(csvDirName, jsonDirName string, file os
 		return 0, err
 	}
 	w := bufio.NewWriterSize(jsonWriter, 4096*2) // 8KB buf size
-	rows := c.convert0(bufio.NewReader(csvReader), w)
+	rows := c.convert0(wrappedReader{bufio.NewReader(csvReader), fileName}, w)
 	if err := w.Flush(); err != nil {
 		return rows, err
 	}
 	return rows, err
 }
 
+type wrappedReader struct {
+	io.Reader
+	fileName string
+}
+
 func (c *directoryConverter) createCsvReader(reader io.Reader) *csv.Reader {
 	csvReader := csv.NewReader(reader)
 	dirConfig := c.DirectoryConfig
@@ -80,7 +85,7 @@ func (c *directoryConverter) createCsvReader(reader io.Reader) *csv.Reader {
 	return csvReader
 }
 
-func (c *directoryConverter) convert0(csvReader io.Reader, jsonWriter io.StringWriter) uint32 {
+func (c *directoryConverter) convert0(csvReader wrappedReader, jsonWriter io.StringWriter) uint32 {
 	var rowCount uint32 = 0
 	var firstLine = true
 	r := c.createCsvReader(csvReader)
@@ -93,7 +98,7 @@ func (c *directoryConverter) convert0(csvReader io.Reader, jsonWriter io.StringW
 		if err == io.EOF {
 			break
 		} else if err != nil {
-			log.Fatal(err)
+			log.Fatalf("\nFile: %s. Error. %+v.", csvReader.fileName, err)
 		}
 		data, err := c.DirectoryConfig.Parse(record)
 		if err != nil {

converter/directory_test.go

@@ -17,7 +17,7 @@ func TestFileConverter_Convert(t *testing.T) {
 
 	reader := strings.NewReader("a_string,false,idx1\na_string,false,idx5")
 	writer := &bytes.Buffer{}
-	row := c.convert0(reader, writer)
+	row := c.convert0(wrappedReader{reader, "strings.reader"}, writer)
 
 	// JSON response
 	expectedJSON := `{"a":"a_string","b":false,"d":"11"}`
@@ -30,6 +30,17 @@ func TestFileConverter_Convert(t *testing.T) {
 	})
 }
 
+func BenchmarkConverter_Convert(b *testing.B) {
+	configuration, _ := config.ParseConfig(configTxt)
+	dirConfig := configuration.Directories[0]
+	c := &directoryConverter{DirectoryConfig: dirConfig}
+	reader := strings.NewReader("a_string,false,idx1\na_string,false,idx5")
+	writer := &bytes.Buffer{}
+	for i := 0; i < b.N; i++ {
+		c.convert0(wrappedReader{reader, "strings.reader"}, writer)
+	}
+}
+
 var configTxt = `
 root = "."
 out_directory = "./out"

main.go

@@ -2,8 +2,11 @@ package main
 
 import (
 	"github.com/liemle3893/csv2json/cmd"
+	"log"
 )
 
+
 func main() {
+	log.SetFlags(log.LstdFlags | log.Lshortfile)
 	cmd.Execute()
 }