mix_test.go

// Sequence-based Go-native audio mixer for music apps
package mix

import (
	"testing"
	"time"

	"github.com/stretchr/testify/assert"

	"github.com/go-mix/mix/bind/spec"
	"github.com/go-mix/mix/lib/mix"
)

func TestDebug(t *testing.T) {
	// TODO: Test API Debug
}

func TestConfigure(t *testing.T) {
	// TODO: Test API Configure
}

func TestConfigure_FailureFreqNotGreaterThanZero(t *testing.T) {
	defer func() {
		msg := recover()
		assert.IsType(t, "", msg)
		assert.Equal(t, "Must specify a mixing frequency greater than zero.", msg)
	}()
	Configure(spec.AudioSpec{
		Freq:     -100,
		Format:   spec.AudioS16,
		Channels: 2,
	})
}

func TestTeardown(t *testing.T) {
	testAPISetup()
	Teardown()
}

func TestSpec(t *testing.T) {
	testAPISetup()
	assert.Equal(t, &spec.AudioSpec{
		Freq:     44100,
		Format:   spec.AudioF32,
		Channels: 1,
	}, Spec())
	Teardown()
}

func TestSetFire(t *testing.T) {
	testAPISetup()
	fire := SetFire("lib/source/testdata/Signed16bitLittleEndian44100HzMono.wav", time.Duration(0), 0, 1.0, 0)
	assert.NotNil(t, fire)
}

func TestFireCount(t *testing.T) {
	testAPISetup()
	assert.Equal(t, 0, FireCount())
	SetFire("lib/source/testdata/Float32bitLittleEndian48000HzEstéreo.wav", time.Duration(0), 0, 1.0, 0)
	assert.Equal(t, 1, FireCount())
	SetFire("lib/source/testdata/Signed16bitLittleEndian44100HzMono.wav", time.Duration(0), 0, 1.0, 0)
	assert.Equal(t, 2, FireCount())
	// TODO: assert count drains during back to 0 as a result of playback
}

func TestClearAllFires(t *testing.T) {
	testAPISetup()
	SetFire("lib/source/testdata/Signed16bitLittleEndian44100HzMono.wav", time.Duration(0), 0, 1.0, 0)
	ClearAllFires()
	assert.Equal(t, 0, FireCount())
}

func TestSetSoundsPath(t *testing.T) {
	// TODO: Test API SetSoundsPath
}

func TestSetGetMixCycleDuration(t *testing.T) {
	testAPISetup()
	SetMixCycleDuration(2 * time.Second)
	assert.Equal(t, spec.Tz(88200), mix.GetCycleDurationTz())
}

func TestStart(t *testing.T) {
	Start()
}

func TestStartAt(t *testing.T) {
	StartAt(time.Now().Add(1 * time.Second))
}

func TestGetStartTime(t *testing.T) {
	startExpect := time.Now().Add(1 * time.Second)
	StartAt(startExpect)
	startActual := GetStartTime()
	assert.Equal(t, startExpect, startActual)
}

func TestGetNowAt(t *testing.T) {
	// TODO
}

func TestOutputStart(t *testing.T) {
	// TODO: Test
}

func TestOutputContinueTo(t *testing.T) {
	// TODO: Test
}

func TestOutputClose(t *testing.T) {
	// TODO: Test
}

func TestAudioCallback(t *testing.T) {
	// TODO: Test API AudioCallback
}

//
// Test Components
//

func testAPISetup() {
	ClearAllFires()
	Configure(spec.AudioSpec{
		Freq:     44100,
		Format:   spec.AudioF32,
		Channels: 1,
	})
}