mirror of https://bitbucket.org/ausocean/av.git
122 lines
3.1 KiB
Go
122 lines
3.1 KiB
Go
/*
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NAME
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flac_test.go
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DESCRIPTION
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flac_test.go provides utilities to test FLAC audio decoding
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AUTHOR
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Saxon Nelson-Milton <saxon@ausocean.org>
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LICENSE
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flac_test.go is Copyright (C) 2017-2019 the Australian Ocean Lab (AusOcean)
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It is free software: you can redistribute it and/or modify them
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under the terms of the GNU General Public License as published by the
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Free Software Foundation, either version 3 of the License, or (at your
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option) any later version.
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It is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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for more details.
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You should have received a copy of the GNU General Public License
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along with revid in gpl.txt. If not, see http://www.gnu.org/licenses.
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*/
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package flac
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import (
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"io"
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"io/ioutil"
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"os"
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"testing"
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)
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const (
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testFile = "../../../test/test-data/av/input/robot.flac"
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outFile = "testOut.wav"
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)
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// TestWriteSeekerWrite checks that basic writing to the ws works as expected.
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func TestWriteSeekerWrite(t *testing.T) {
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ws := &writeSeeker{}
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const tstStr1 = "hello"
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ws.Write([]byte(tstStr1))
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got := string(ws.buf)
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if got != tstStr1 {
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t.Errorf("Write failed, got: %v, want: %v", got, tstStr1)
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}
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const tstStr2 = " world"
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const want = "hello world"
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ws.Write([]byte(tstStr2))
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got = string(ws.buf)
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if got != want {
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t.Errorf("Second write failed, got: %v, want: %v", got, want)
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}
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}
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// TestWriteSeekerSeek checks that writing and seeking works as expected, i.e. we
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// can write, then seek to a knew place in the buf, and write again, either replacing
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// bytes, or appending bytes.
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func TestWriteSeekerSeek(t *testing.T) {
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ws := &writeSeeker{}
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const tstStr1 = "hello"
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want1 := tstStr1
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ws.Write([]byte(tstStr1))
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got := string(ws.buf)
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if got != tstStr1 {
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t.Errorf("Unexpected output, got: %v, want: %v", got, want1)
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}
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const tstStr2 = " world"
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const want2 = tstStr1 + tstStr2
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ws.Write([]byte(tstStr2))
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got = string(ws.buf)
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if got != want2 {
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t.Errorf("Unexpected output, got: %v, want: %v", got, want2)
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}
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const tstStr3 = "k!"
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const want3 = "hello work!"
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ws.Seek(-2, io.SeekEnd)
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ws.Write([]byte(tstStr3))
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got = string(ws.buf)
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if got != want3 {
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t.Errorf("Unexpected output, got: %v, want: %v", got, want3)
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}
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const tstStr4 = "gopher"
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const want4 = "hello gopher"
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ws.Seek(6, io.SeekStart)
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ws.Write([]byte(tstStr4))
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got = string(ws.buf)
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if got != want4 {
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t.Errorf("Unexpected output, got: %v, want: %v", got, want4)
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}
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}
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// TestDecodeFlac checks that we can load a flac file and decode to wav, writing
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// to a wav file.
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func TestDecodeFlac(t *testing.T) {
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b, err := ioutil.ReadFile(testFile)
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if err != nil {
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t.Fatalf("Could not read test file, failed with err: %v", err.Error())
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}
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out, err := Decode(b)
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if err != nil {
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t.Errorf("Could not decode, failed with err: %v", err.Error())
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}
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f, err := os.Create(outFile)
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if err != nil {
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t.Fatalf("Could not create output file, failed with err: %v", err.Error())
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}
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_, err = f.Write(out)
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if err != nil {
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t.Fatalf("Could not write to output file, failed with err: %v", err.Error())
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}
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}
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