formatting fix and test added

component/util/format.go

@@ -71,7 +71,9 @@ func formatTrailingDigits(value string, scale int) string {
 			formatted = value[:i+scale]
 		}
 
-		return strings.TrimRight(formatted, "0.")
+		formatted = strings.TrimRight(formatted, "0")
+
+		return strings.TrimRight(formatted, ".")
 	}
 
 	return value

component/util/format_test.go

@@ -0,0 +1,27 @@
+package util
+
+import "testing"
+
+func TestFormatValue(t *testing.T) {
+	type args struct {
+		value float64
+		scale int
+	}
+	tests := []struct {
+		name string
+		args args
+		want string
+	}{
+		{"should format float value with scale = 1", args{94.123, 1}, "94.1"},
+		{"should format float value with scale = 0", args{94.123, 0}, "94"},
+		{"should format float value with trailing zeros", args{94.100, 5}, "94.1"},
+		{"should format float value with radix char and trailing zeros", args{9423000.00123, 2}, "9,423,000"},
+	}
+	for _, tt := range tests {
+		t.Run(tt.name, func(t *testing.T) {
+			if got := FormatValue(tt.args.value, tt.args.scale); got != tt.want {
+				t.Errorf("FormatValue() = %v, want %v", got, tt.want)
+			}
+		})
+	}
+}