Using log instead of fmt

parser/parser_test.go

@@ -1,7 +1,34 @@
+/*
+NAME
+  parser_test.go
+
+DESCRIPTION
+  See Readme.md
+
+AUTHOR
+  Saxon Nelson-Milton <saxon@ausocean.org>
+
+LICENSE
+  parser_test.go is Copyright (C) 2017 the Australian Ocean Lab (AusOcean)
+
+  It is free software: you can redistribute it and/or modify them
+  under the terms of the GNU General Public License as published by the
+  Free Software Foundation, either version 3 of the License, or (at your
+  option) any later version.
+
+  It is distributed in the hope that it will be useful, but WITHOUT
+  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+  FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with revid in gpl.txt.  If not, see http://www.gnu.org/licenses.
+*/
+
 package parser
 
 import (
-	"fmt"
+	"log"
 	"os"
 	"strconv"
 	"testing"
@@ -13,21 +40,22 @@ const (
 )
 
 func TestH264Parser(t *testing.T) {
-	fmt.Println("Opening input file!")
+	log.SetOutput(os.Stderr)
+	log.Println("Opening input file!")
 	inputFile, err := os.Open(h264InputFileName)
 	if err != nil {
 		t.Errorf("Should not have got error opening file!")
 		return
 	}
 
-	fmt.Println("Getting file stats!")
+	log.Println("Getting file stats!")
 	stats, err := inputFile.Stat()
 	if err != nil {
 		t.Errorf("Could not get input file stats!")
 		return
 	}
 
-	fmt.Println("Creating space for file data and reading!")
+	log.Println("Creating space for file data and reading!")
 	data := make([]byte, stats.Size())
 	_, err = inputFile.Read(data)
 	if err != nil {
@@ -36,7 +64,7 @@ func TestH264Parser(t *testing.T) {
 	}
 
 	// Create 'parser' and start it up
-	fmt.Println("Creating parser!")
+	log.Println("Creating parser!")
 	parser := NewH264Parser()
 	parser.SetOutputChan(make(chan []byte, 10000))
 	parser.Start()
@@ -67,34 +95,34 @@ func TestH264Parser(t *testing.T) {
 
 /*
 func TestMJPEGParser(t *testing.T) {
-	fmt.Println("Opening input file!")
+	log.Println("Opening input file!")
 	// Open the input file
 	inputFile, err := os.Open(testInputFileName)
 	if err != nil {
 		t.Errorf("Should not have got error opening file!")
 	}
-	fmt.Println("Getting file stats!")
+	log.Println("Getting file stats!")
 	stats, err := inputFile.Stat()
 	if err != nil {
 		t.Errorf("Could not get input file stats!")
 		return
 	}
-	fmt.Println("Creating space for file data!")
+	log.Println("Creating space for file data!")
 	data := make([]byte, stats.Size())
 	_, err = inputFile.Read(data)
 	if err != nil {
 		t.Errorf("Should not have got read error!")
 		return
 	}
-	fmt.Println("Creating parser!")
+	log.Println("Creating parser!")
 	parser := NewMJPEGParser(len(data) + 1)
 	parser.SetOutputChan(make(chan []byte, 10000))
 	parser.Start()
-	fmt.Printf("len(data): %v\n", len(data))
+	log.Printf("len(data): %v\n", len(data))
 	for i := range data {
 		parser.GetInputChan() <- data[i]
 	}
-	fmt.Println("Writing jpegs to files!")
+	log.Println("Writing jpegs to files!")
 	for i := 0; len(parser.GetOutputChan()) > 0; i++ {
 		// Open a new output file
 		outputFile, err := os.Create("testOutput/image" + strconv.Itoa(i) + ".jpeg")