Files
radiantwave/archive/internal/mixer/mixer_internal_test.go
T
2026-08-07 14:51:41 -05:00

313 lines
7.0 KiB
Go

package mixer
import (
"testing"
"time"
"rhemawavetech.com/rhemawave/internal/db"
)
// Regression tests for critical audio bugs (v0.5)
// Regression: Stop() used to return early when AudioEnabled was false,
// leaving music playing after the user toggled audio off mid-playback.
func TestStopCleansUpWhenAudioDisabled(t *testing.T) {
mu.Lock()
wasInited := inited
inited = true
deviceOpen = false
currentPath = "/some/track.wav"
currentLoops = -1
mu.Unlock()
defer func() {
mu.Lock()
inited = wasInited
currentPath = ""
currentLoops = 0
mu.Unlock()
}()
cfg := &db.AppConfig{AudioEnabled: false}
Stop(0, cfg)
mu.Lock()
defer mu.Unlock()
if currentPath != "" {
t.Errorf("currentPath = %q, want empty after Stop with AudioEnabled=false", currentPath)
}
if currentLoops != 0 {
t.Errorf("currentLoops = %d, want 0 after Stop with AudioEnabled=false", currentLoops)
}
}
// Regression: SwitchDevice used to convert oldDevice="" to "system default"
// and pass that string to openDeviceLocked, which SDL does not recognize.
func TestSwitchDeviceReturnsErrorWhenUninitialized(t *testing.T) {
mu.Lock()
wasInited := inited
inited = false
deviceOpen = false
mu.Unlock()
defer func() {
mu.Lock()
inited = wasInited
mu.Unlock()
}()
cfg := &db.AppConfig{AudioEnabled: true, SavedVolume: 0.5}
err := SwitchDevice("Some Device", cfg)
if err == nil {
t.Fatal("SwitchDevice on uninitialized mixer should return error")
}
}
// Regression: SwitchDevice with nil config must not panic when attempting
// to restore volume after reopening the device.
func TestSwitchDeviceNilConfigDoesNotPanic(t *testing.T) {
mu.Lock()
wasInited := inited
inited = false
deviceOpen = false
mu.Unlock()
defer func() {
mu.Lock()
inited = wasInited
mu.Unlock()
}()
err := SwitchDevice("Some Device", nil)
if err == nil {
t.Fatal("SwitchDevice on uninitialized mixer should return error")
}
}
// Regression: SwitchDevice with empty device name (system default) should
// not be converted to "system default" before passing to openDeviceLocked.
func TestSwitchDeviceAcceptsEmptyDeviceName(t *testing.T) {
mu.Lock()
wasInited := inited
inited = false
deviceOpen = false
mu.Unlock()
defer func() {
mu.Lock()
inited = wasInited
mu.Unlock()
}()
cfg := &db.AppConfig{SavedVolume: 0.75}
err := SwitchDevice("", cfg)
// Returns error because mixer is not initialized, but should not panic
// and should handle the empty name gracefully.
if err == nil {
t.Fatal("SwitchDevice on uninitialized mixer should return error")
}
}
// TestPlayDoesNotDeadlockWhenUninitialized verifies that Play() returns an error
// (not a deadlock) when the mixer has not been initialized.
// The old code would deadlock because Play() held mu then called SwitchDevice()
// which also tried to acquire mu.
func TestPlayDoesNotDeadlockWhenUninitialized(t *testing.T) {
// Ensure mixer is in uninitialized state
mu.Lock()
wasInited := inited
inited = false
deviceOpen = false
mu.Unlock()
defer func() {
mu.Lock()
inited = wasInited
mu.Unlock()
}()
cfg := &db.AppConfig{AudioEnabled: true}
done := make(chan error, 1)
go func() {
done <- Play("nonexistent.wav", false, cfg)
}()
select {
case err := <-done:
if err == nil {
t.Fatal("Play() returned nil error on uninitialized mixer, want error")
}
case <-time.After(5 * time.Second):
t.Fatal("Play() deadlocked on uninitialized mixer (did not return within 5s)")
}
}
func TestParseSinkLine(t *testing.T) {
tests := []struct {
name string
input string
wantOK bool
wantID int
wantName string
wantVol float64
wantDef bool
}{
{
name: "default sink with volume",
input: "*51. USB Audio [vol: 1.00]",
wantOK: true,
wantID: 51,
wantName: "USB Audio",
wantVol: 1.00,
wantDef: true,
},
{
name: "non-default sink with volume",
input: "33. Built-in Audio Analog Stereo [vol: 0.65]",
wantOK: true,
wantID: 33,
wantName: "Built-in Audio Analog Stereo",
wantVol: 0.65,
wantDef: false,
},
{
name: "default sink with muted tag",
input: "*51. USB Audio [vol: 0.50 MUTED]",
wantOK: true,
wantID: 51,
wantName: "USB Audio",
wantVol: 0.50,
wantDef: true,
},
{
name: "sink without volume field",
input: "33. Built-in Audio Analog Stereo",
wantOK: true,
wantID: 33,
wantName: "Built-in Audio Analog Stereo",
wantVol: 0.0,
wantDef: false,
},
{
name: "empty string",
input: "",
wantOK: false,
},
{
name: "no dot separator",
input: "no dot here",
wantOK: false,
},
{
name: "non-numeric ID",
input: "abc. Some Device [vol: 0.80]",
wantOK: false,
},
{
name: "zero volume",
input: "1. Muted Device [vol: 0.00]",
wantOK: true,
wantID: 1,
wantName: "Muted Device",
wantVol: 0.0,
wantDef: false,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
sink, ok := parseSinkLine(tt.input)
if ok != tt.wantOK {
t.Fatalf("parseSinkLine(%q) ok = %v, want %v", tt.input, ok, tt.wantOK)
}
if !ok {
return
}
if sink.ID != tt.wantID {
t.Errorf("ID = %d, want %d", sink.ID, tt.wantID)
}
if sink.Name != tt.wantName {
t.Errorf("Name = %q, want %q", sink.Name, tt.wantName)
}
if sink.Volume != tt.wantVol {
t.Errorf("Volume = %f, want %f", sink.Volume, tt.wantVol)
}
if sink.IsDefault != tt.wantDef {
t.Errorf("IsDefault = %v, want %v", sink.IsDefault, tt.wantDef)
}
})
}
}
func TestParseSinks(t *testing.T) {
tests := []struct {
name string
input string
wantCount int
wantNames []string
}{
{
name: "two sinks",
input: `Audio
Sinks:
*51. USB Audio [vol: 1.00]
33. Built-in Audio Analog Stereo [vol: 0.65]
Sources:
52. Microphone [vol: 0.80]`,
wantCount: 2,
wantNames: []string{"USB Audio", "Built-in Audio Analog Stereo"},
},
{
name: "no sinks section",
input: `Audio
Sources:
52. Microphone [vol: 0.80]`,
wantCount: 0,
},
{
name: "sinks with tree characters",
input: `Audio
├─Sinks:
│ ├─*51. USB Audio [vol: 1.00]
│ └─33. Built-in Audio Analog Stereo [vol: 0.65]
└─Sources:
└─52. Microphone [vol: 0.80]`,
wantCount: 2,
wantNames: []string{"USB Audio", "Built-in Audio Analog Stereo"},
},
{
name: "empty input",
input: ``,
wantCount: 0,
},
{
name: "video section ignored",
input: `Video
Sinks:
100. HDMI Output [vol: 1.00]
Audio
Sinks:
51. USB Audio [vol: 1.00]`,
wantCount: 1,
wantNames: []string{"USB Audio"},
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {
sinks, err := parseSinks([]byte(tt.input))
if err != nil {
t.Fatalf("parseSinks returned error: %v", err)
}
if len(sinks) != tt.wantCount {
t.Fatalf("got %d sinks, want %d", len(sinks), tt.wantCount)
}
for i, name := range tt.wantNames {
if sinks[i].Name != name {
t.Errorf("sink[%d].Name = %q, want %q", i, sinks[i].Name, name)
}
}
})
}
}