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refactor(go): Move everything from go4k to root package sointu

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This commit is contained in:
Veikko Sariola
2020-12-16 21:35:53 +02:00
parent d0bd877b3f
commit 224b8dcb70
34 changed files with 293 additions and 294 deletions
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66
bridge/song_test.go Normal file
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package bridge_test
import (
"bytes"
"encoding/binary"
"io/ioutil"
"path"
"runtime"
"testing"
"github.com/vsariola/sointu"
"github.com/vsariola/sointu/bridge"
// TODO: test the song using a mocks instead
)
const BPM = 100
const SAMPLE_RATE = 44100
const TOTAL_ROWS = 16
const SAMPLES_PER_ROW = SAMPLE_RATE * 4 * 60 / (BPM * 16)
const su_max_samples = SAMPLES_PER_ROW * TOTAL_ROWS
// const bufsize = su_max_samples * 2
func TestPlayer(t *testing.T) {
patch := sointu.Patch{
Instruments: []sointu.Instrument{sointu.Instrument{1, []sointu.Unit{
sointu.Unit{Type: "envelope", Parameters: map[string]int{"stereo": 0, "attack": 32, "decay": 32, "sustain": 64, "release": 64, "gain": 128}},
sointu.Unit{Type: "oscillator", Parameters: map[string]int{"stereo": 0, "transpose": 64, "detune": 64, "phase": 0, "color": 96, "shape": 64, "gain": 128, "type": sointu.Sine, "lfo": 0, "unison": 0}},
sointu.Unit{Type: "mulp", Parameters: map[string]int{"stereo": 0}},
sointu.Unit{Type: "envelope", Parameters: map[string]int{"stereo": 0, "attack": 32, "decay": 32, "sustain": 64, "release": 64, "gain": 128}},
sointu.Unit{Type: "oscillator", Parameters: map[string]int{"stereo": 0, "transpose": 72, "detune": 64, "phase": 64, "color": 64, "shape": 96, "gain": 128, "type": sointu.Sine, "lfo": 0, "unison": 0}},
sointu.Unit{Type: "mulp", Parameters: map[string]int{"stereo": 0}},
sointu.Unit{Type: "out", Parameters: map[string]int{"stereo": 1, "gain": 128}},
}}}}
patterns := [][]byte{{64, 0, 68, 0, 32, 0, 0, 0, 75, 0, 78, 0, 0, 0, 0, 0}}
tracks := []sointu.Track{sointu.Track{1, []byte{0}}}
song := sointu.Song{BPM: 100, Patterns: patterns, Tracks: tracks, Patch: patch, Output16Bit: false, Hold: 1}
synth, err := bridge.Synth(patch)
if err != nil {
t.Fatalf("Compiling patch failed: %v", err)
}
buffer, err := sointu.Play(synth, song)
if err != nil {
t.Fatalf("Render failed: %v", err)
}
_, filename, _, _ := runtime.Caller(0)
expectedb, err := ioutil.ReadFile(path.Join(path.Dir(filename), "..", "tests", "expected_output", "test_oscillat_sine.raw"))
if err != nil {
t.Fatalf("cannot read expected: %v", err)
}
var createdbuf bytes.Buffer
err = binary.Write(&createdbuf, binary.LittleEndian, buffer)
if err != nil {
t.Fatalf("error converting buffer: %v", err)
}
createdb := createdbuf.Bytes()
if len(createdb) != len(expectedb) {
t.Fatalf("buffer length mismatch, got %v, expected %v", len(createdb), len(expectedb))
}
for i, v := range createdb {
if expectedb[i] != v {
t.Fatalf("byte mismatch @ %v, got %v, expected %v", i, v, expectedb[i])
}
}
}