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bcbb5aaf19
One should call bridge.Init() once during the initialization of the program to load the static sample table. On linux, bridge.Init() does nothing.
66 lines
2.3 KiB
Go
66 lines
2.3 KiB
Go
package go4k_test
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import (
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"bytes"
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"encoding/binary"
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"io/ioutil"
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"path"
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"runtime"
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"testing"
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"github.com/vsariola/sointu/go4k"
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"github.com/vsariola/sointu/go4k/bridge"
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// TODO: test the song using a mocks instead
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)
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const BPM = 100
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const SAMPLE_RATE = 44100
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const TOTAL_ROWS = 16
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const SAMPLES_PER_ROW = SAMPLE_RATE * 4 * 60 / (BPM * 16)
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const su_max_samples = SAMPLES_PER_ROW * TOTAL_ROWS
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// const bufsize = su_max_samples * 2
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func TestPlayer(t *testing.T) {
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patch := []go4k.Instrument{go4k.Instrument{1, []go4k.Unit{
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go4k.Unit{"envelope", false, map[string]int{"attack": 32, "decay": 32, "sustain": 64, "release": 64, "gain": 128}, []int{}},
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go4k.Unit{"oscillator", false, map[string]int{"transpose": 64, "detune": 64, "phase": 0, "color": 96, "shape": 64, "gain": 128, "type": go4k.Sine, "lfo": 0, "unison": 0}, []int{}},
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go4k.Unit{"mulp", false, map[string]int{}, []int{}},
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go4k.Unit{"envelope", false, map[string]int{"attack": 32, "decay": 32, "sustain": 64, "release": 64, "gain": 128}, []int{}},
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go4k.Unit{"oscillator", false, map[string]int{"transpose": 72, "detune": 64, "phase": 64, "color": 64, "shape": 96, "gain": 128, "type": go4k.Sine, "lfo": 0, "unison": 0}, []int{}},
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go4k.Unit{"mulp", false, map[string]int{}, []int{}},
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go4k.Unit{"out", true, map[string]int{"gain": 128}, []int{}},
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}}}
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patterns := [][]byte{{64, 0, 68, 0, 32, 0, 0, 0, 75, 0, 78, 0, 0, 0, 0, 0}}
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tracks := []go4k.Track{go4k.Track{1, []byte{0}}}
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song := go4k.Song{100, patterns, tracks, 0, patch}
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synth, err := bridge.Synth(patch)
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if err != nil {
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t.Fatalf("Compiling patch failed: %v", err)
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}
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buffer, err := go4k.Play(synth, song)
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if err != nil {
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t.Fatalf("Render failed: %v", err)
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}
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_, filename, _, _ := runtime.Caller(0)
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expectedb, err := ioutil.ReadFile(path.Join(path.Dir(filename), "..", "tests", "expected_output", "test_oscillat_sine.raw"))
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if err != nil {
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t.Fatalf("cannot read expected: %v", err)
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}
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var createdbuf bytes.Buffer
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err = binary.Write(&createdbuf, binary.LittleEndian, buffer)
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if err != nil {
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t.Fatalf("error converting buffer: %v", err)
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}
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createdb := createdbuf.Bytes()
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if len(createdb) != len(expectedb) {
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t.Fatalf("buffer length mismatch, got %v, expected %v", len(createdb), len(expectedb))
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}
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for i, v := range createdb {
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if expectedb[i] != v {
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t.Fatalf("byte mismatch @ %v, got %v, expected %v", i, v, expectedb[i])
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}
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}
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}
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