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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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146
bridge/bridge_test.go Normal file
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@ -0,0 +1,146 @@
package bridge_test
import (
"bytes"
"encoding/binary"
"io/ioutil"
"path"
"runtime"
"testing"
"github.com/vsariola/sointu"
"github.com/vsariola/sointu/bridge"
)
func TestBridge(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": 64, "decay": 64, "sustain": 64, "release": 80, "gain": 128}},
sointu.Unit{Type: "envelope", Parameters: map[string]int{"stereo": 0, "attack": 95, "decay": 64, "sustain": 64, "release": 80, "gain": 128}},
sointu.Unit{Type: "out", Parameters: map[string]int{"stereo": 1, "gain": 128}},
}}}}
synth, err := bridge.Synth(patch)
if err != nil {
t.Fatalf("bridge compile error: %v", err)
}
synth.Trigger(0, 64)
buffer := make([]float32, 2*su_max_samples)
err = sointu.Render(synth, buffer[:len(buffer)/2])
if err != nil {
t.Fatalf("first render gave an error")
}
synth.Release(0)
err = sointu.Render(synth, buffer[len(buffer)/2:])
if err != nil {
t.Fatalf("first render gave an error")
}
_, filename, _, _ := runtime.Caller(0)
expectedb, err := ioutil.ReadFile(path.Join(path.Dir(filename), "..", "tests", "expected_output", "test_render_samples.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.Errorf("byte mismatch @ %v, got %v, expected %v", i, v, expectedb[i])
break
}
}
}
func TestStackUnderflow(t *testing.T) {
patch := sointu.Patch{
Instruments: []sointu.Instrument{
sointu.Instrument{1, []sointu.Unit{
sointu.Unit{Type: "pop", Parameters: map[string]int{}},
}}}}
synth, err := bridge.Synth(patch)
if err != nil {
t.Fatalf("bridge compile error: %v", err)
}
buffer := make([]float32, 2)
err = sointu.Render(synth, buffer)
if err == nil {
t.Fatalf("rendering should have failed due to stack underflow")
}
}
func TestStackBalancing(t *testing.T) {
patch := sointu.Patch{
Instruments: []sointu.Instrument{
sointu.Instrument{1, []sointu.Unit{
sointu.Unit{Type: "push", Parameters: map[string]int{}},
}}}}
synth, err := bridge.Synth(patch)
if err != nil {
t.Fatalf("bridge compile error: %v", err)
}
buffer := make([]float32, 2)
err = sointu.Render(synth, buffer)
if err == nil {
t.Fatalf("rendering should have failed due to unbalanced stack push/pop")
}
}
func TestStackOverflow(t *testing.T) {
patch := sointu.Patch{
Instruments: []sointu.Instrument{
sointu.Instrument{1, []sointu.Unit{
sointu.Unit{Type: "loadval", Parameters: map[string]int{"value": 128}},
sointu.Unit{Type: "loadval", Parameters: map[string]int{"value": 128}},
sointu.Unit{Type: "loadval", Parameters: map[string]int{"value": 128}},
sointu.Unit{Type: "loadval", Parameters: map[string]int{"value": 128}},
sointu.Unit{Type: "loadval", Parameters: map[string]int{"value": 128}},
sointu.Unit{Type: "loadval", Parameters: map[string]int{"value": 128}},
sointu.Unit{Type: "loadval", Parameters: map[string]int{"value": 128}},
sointu.Unit{Type: "loadval", Parameters: map[string]int{"value": 128}},
sointu.Unit{Type: "loadval", Parameters: map[string]int{"value": 128}},
sointu.Unit{Type: "pop", Parameters: map[string]int{}},
sointu.Unit{Type: "pop", Parameters: map[string]int{}},
sointu.Unit{Type: "pop", Parameters: map[string]int{}},
sointu.Unit{Type: "pop", Parameters: map[string]int{}},
sointu.Unit{Type: "pop", Parameters: map[string]int{}},
sointu.Unit{Type: "pop", Parameters: map[string]int{}},
sointu.Unit{Type: "pop", Parameters: map[string]int{}},
sointu.Unit{Type: "pop", Parameters: map[string]int{}},
sointu.Unit{Type: "pop", Parameters: map[string]int{}},
}}}}
synth, err := bridge.Synth(patch)
if err != nil {
t.Fatalf("bridge compile error: %v", err)
}
buffer := make([]float32, 2)
err = sointu.Render(synth, buffer)
if err == nil {
t.Fatalf("rendering should have failed due to stack overflow, despite balanced push/pops")
}
}
func TestDivideByZero(t *testing.T) {
patch := sointu.Patch{
Instruments: []sointu.Instrument{
sointu.Instrument{1, []sointu.Unit{
sointu.Unit{Type: "loadval", Parameters: map[string]int{"value": 128}},
sointu.Unit{Type: "invgain", Parameters: map[string]int{"invgain": 0}},
sointu.Unit{Type: "pop", Parameters: map[string]int{}},
}}}}
synth, err := bridge.Synth(patch)
if err != nil {
t.Fatalf("bridge compile error: %v", err)
}
buffer := make([]float32, 2)
err = sointu.Render(synth, buffer)
if err == nil {
t.Fatalf("rendering should have failed due to divide by zero")
}
}