Fixes #138: Add OptionShowTotal

progressbar.go

@@ -83,6 +83,9 @@ type config struct {
 	showIterationsPerSecond bool
 	showIterationsCount     bool
 
+	// whether the progress bar should show the total bytes (e.g. 23/24 or 23/-, vs. just 23).
+	showTotalBytes bool
+
 	// whether the progress bar should show elapsed time.
 	// always enabled if predictTime is true.
 	elapsedTime bool
@@ -309,6 +312,13 @@ func OptionShowElapsedTimeOnFinish() Option {
 	}
 }
 
+// OptionShowTotalBytes will keep the display of total bytes.
+func OptionShowTotalBytes(flag bool) Option {
+	return func(p *ProgressBar) {
+		p.config.showTotalBytes = flag
+	}
+}
+
 // OptionSetItsString sets what's displayed for iterations a second. The default is "it" which would display: "it/s"
 func OptionSetItsString(iterationString string) Option {
 	return func(p *ProgressBar) {
@@ -403,6 +413,7 @@ func NewOptions64(max int64, options ...Option) *ProgressBar {
 			spinnerType:           9,
 			invisible:             false,
 			spinnerChangeInterval: 100 * time.Millisecond,
+			showTotalBytes:        true,
 		},
 	}
 
@@ -482,6 +493,7 @@ func DefaultBytes(maxBytes int64, description ...string) *ProgressBar {
 		OptionSetDescription(desc),
 		OptionSetWriter(os.Stderr),
 		OptionShowBytes(true),
+		OptionShowTotalBytes(true),
 		OptionSetWidth(10),
 		OptionThrottle(65*time.Millisecond),
 		OptionShowCount(),
@@ -508,6 +520,7 @@ func DefaultBytesSilent(maxBytes int64, description ...string) *ProgressBar {
 		OptionSetDescription(desc),
 		OptionSetWriter(io.Discard),
 		OptionShowBytes(true),
+		OptionShowTotalBytes(true),
 		OptionSetWidth(10),
 		OptionThrottle(65*time.Millisecond),
 		OptionShowCount(),
@@ -528,6 +541,7 @@ func Default(max int64, description ...string) *ProgressBar {
 		OptionSetDescription(desc),
 		OptionSetWriter(os.Stderr),
 		OptionSetWidth(10),
+		OptionShowTotalBytes(true),
 		OptionThrottle(65*time.Millisecond),
 		OptionShowCount(),
 		OptionShowIts(),
@@ -554,6 +568,7 @@ func DefaultSilent(max int64, description ...string) *ProgressBar {
 		OptionSetDescription(desc),
 		OptionSetWriter(io.Discard),
 		OptionSetWidth(10),
+		OptionShowTotalBytes(true),
 		OptionThrottle(65*time.Millisecond),
 		OptionShowCount(),
 		OptionShowIts(),
@@ -1010,21 +1025,32 @@ func renderProgressBar(c config, s *state) (int, error) {
 			if c.showBytes {
 				currentHumanize, currentSuffix := humanizeBytes(s.currentBytes, c.useIECUnits)
 				if currentSuffix == c.maxHumanizedSuffix {
-					sb.WriteString(fmt.Sprintf("%s/%s%s",
-						currentHumanize, c.maxHumanized, c.maxHumanizedSuffix))
-				} else {
+					if c.showTotalBytes {
+						sb.WriteString(fmt.Sprintf("%s/%s%s",
+							currentHumanize, c.maxHumanized, c.maxHumanizedSuffix))
+					} else {
+						sb.WriteString(fmt.Sprintf("%s%s",
+							currentHumanize, c.maxHumanizedSuffix))
+					}
+				} else if c.showTotalBytes {
 					sb.WriteString(fmt.Sprintf("%s%s/%s%s",
 						currentHumanize, currentSuffix, c.maxHumanized, c.maxHumanizedSuffix))
+				} else {
+					sb.WriteString(fmt.Sprintf("%s%s", currentHumanize, currentSuffix))
 				}
-			} else {
+			} else if c.showTotalBytes {
 				sb.WriteString(fmt.Sprintf("%.0f/%d", s.currentBytes, c.max))
+			} else {
+				sb.WriteString(fmt.Sprintf("%.0f", s.currentBytes))
 			}
 		} else {
 			if c.showBytes {
 				currentHumanize, currentSuffix := humanizeBytes(s.currentBytes, c.useIECUnits)
 				sb.WriteString(fmt.Sprintf("%s%s", currentHumanize, currentSuffix))
-			} else {
+			} else if c.showTotalBytes {
 				sb.WriteString(fmt.Sprintf("%.0f/%s", s.currentBytes, "-"))
+			} else {
+				sb.WriteString(fmt.Sprintf("%.0f", s.currentBytes))
 			}
 		}
 	}

progressbar_test.go

@@ -5,7 +5,6 @@ import (
 	"crypto/md5"
 	"encoding/hex"
 	"fmt"
-	"github.com/chengxilo/virtualterm"
 	"io"
 	"log"
 	"net/http"
@@ -15,6 +14,8 @@ import (
 	"testing"
 	"time"
 
+	"github.com/chengxilo/virtualterm"
+
 	"github.com/stretchr/testify/assert"
 )
 
@@ -1063,3 +1064,54 @@ func TestOptionSetSpinnerChangeIntervalZero(t *testing.T) {
 		assert.Equal(t, expected[i], actuals[i])
 	}
 }
+
+func TestOptionShowTotalFalseDeterminate(t *testing.T) {
+	buf := strings.Builder{}
+	bar := NewOptions64(
+		100000000,
+		OptionShowBytes(true),
+		OptionShowCount(),
+		OptionSetWidth(10),
+		OptionShowTotalBytes(false),
+		OptionSetWriter(&buf),
+	)
+
+	bar.Add(10000)
+	if !strings.Contains(buf.String(), "10 kB, ") {
+		t.Errorf("wrong string: %s", buf.String())
+	}
+}
+
+func TestOptionShowTotalFalseIndeterminate(t *testing.T) {
+	buf := strings.Builder{}
+	bar := NewOptions(-1,
+		OptionSetWidth(10),
+		OptionSetDescription("indeterminate spinner"),
+		OptionShowIts(),
+		OptionShowCount(),
+		OptionSpinnerType(9),
+		OptionShowTotalBytes(false),
+		OptionSetWriter(&buf),
+	)
+	bar.Add(10)
+	if !strings.Contains(buf.String(), "10, ") {
+		t.Errorf("wrong string: %s", buf.String())
+	}
+}
+
+func TestOptionShowTotalTrueIndeterminate(t *testing.T) {
+	buf := strings.Builder{}
+	bar := NewOptions(-1,
+		OptionSetWidth(10),
+		OptionSetDescription("indeterminate spinner"),
+		OptionShowIts(),
+		OptionShowCount(),
+		OptionSpinnerType(9),
+		OptionShowTotalBytes(true),
+		OptionSetWriter(&buf),
+	)
+	bar.Add(10)
+	if !strings.Contains(buf.String(), "10/-, ") {
+		t.Errorf("wrong string: %s", buf.String())
+	}
+}