NeilClack
3480e7594a
Remove all PipeWire/wpctl system calls (SetDefaultSinkVolume, listSinkIDs, listSinks, SetAllSinkVolumes, parseSinks, parseSinkLine, Sink struct). Volume is now managed entirely through SDL_mixer's VolumeMusic(), making audio fully system-agnostic. Changes: - mixer.go: delete ~170 lines of wpctl code; add SetVolume() public API using mix.VolumeMusic(math.Round(level * MAX_VOLUME)) - Init/Play/SwitchDevice set volume inline (they already hold the mutex) - Play() now uses stored currentVolume instead of hardcoded MAX_VOLUME - AudioOptions: SetAllSinkVolumes -> SetVolume - mixer_test.go: add TestSetVolume (validation + error path coverage)
72 lines
1.5 KiB
Go
72 lines
1.5 KiB
Go
package mixer_test
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import (
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"math"
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"testing"
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"rhemawavetech.com/rhemawave/internal/mixer"
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)
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func TestSetVolume(t *testing.T) {
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tests := []struct {
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name string
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level float64
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wantErr bool
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}{
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{"zero volume", 0.0, false},
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{"half volume", 0.5, false},
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{"max volume", 1.0, false},
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{"above range", 1.5, true},
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{"negative", -0.1, true},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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err := mixer.SetVolume(tt.level)
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if tt.wantErr {
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if err == nil {
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t.Errorf("SetVolume(%v) = nil, want error", tt.level)
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}
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return
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}
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if err != nil {
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// For valid input, failure is expected when SDL isn't initialized
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// (that's fine — we're testing validation, not SDL integration)
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if err.Error() != "audio mixer not initialized" {
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t.Errorf("SetVolume(%v) = %v, want 'audio mixer not initialized' or nil", tt.level, err)
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}
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}
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})
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}
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}
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func TestConvertVolume(t *testing.T) {
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tests := []struct {
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name string
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input int
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expected float64
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}{
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{"0 percent", 0, 0.0},
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{"25 percent", 25, 0.25},
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{"33 percent", 33, 0.33},
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{"50 percent", 50, 0.50},
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{"90 percent", 90, 0.90},
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{"100 percent", 100, 1.0},
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{"1 percent", 1, 0.01},
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{"99 percent", 99, 0.99},
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{"negative 10", -10, -0.10},
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{"over 100", 150, 1.50},
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}
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const epsilon = 1e-9
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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got := mixer.ConvertVolume(tt.input)
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if math.Abs(got-tt.expected) > epsilon {
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t.Errorf("ConvertVolume(%d) = %v, want %v", tt.input, got, tt.expected)
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}
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})
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}
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}
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