sointu/tracker/model_test.go
5684185+vsariola@users.noreply.github.com d92426a100 feat!: rewrote the GUI and model for better testability
The Model was getting unmaintanable mess. This is an attempt to refactor/rewrite the Model so that data of certain type is exposed in standardized way, offering certain standard manipulations for that data type, and on the GUI side, certain standard widgets to tied to that data.

This rewrite closes #72, #106 and #120.
2024-02-17 18:16:06 +02:00

253 lines
9.1 KiB
Go

package tracker_test
import (
"bytes"
"encoding/binary"
"fmt"
"testing"
"github.com/vsariola/sointu/tracker"
"github.com/vsariola/sointu/vm"
)
type NullContext struct{}
func (NullContext) NextEvent() (event tracker.MIDINoteEvent, ok bool) {
return tracker.MIDINoteEvent{}, false
}
func (NullContext) BPM() (bpm float64, ok bool) {
return 0, false
}
type modelFuzzState struct {
model *tracker.Model
clipboard []byte
}
func (s *modelFuzzState) Iterate(yield func(string, func(p string, t *testing.T)) bool, seed int) {
// Ints
s.IterateInt("InstrumentVoices", s.model.InstrumentVoices().Int(), yield, seed)
s.IterateInt("TrackVoices", s.model.TrackVoices().Int(), yield, seed)
s.IterateInt("SongLength", s.model.SongLength().Int(), yield, seed)
s.IterateInt("BPM", s.model.BPM().Int(), yield, seed)
s.IterateInt("RowsPerPattern", s.model.RowsPerPattern().Int(), yield, seed)
s.IterateInt("RowsPerBeat", s.model.RowsPerBeat().Int(), yield, seed)
s.IterateInt("Step", s.model.Step().Int(), yield, seed)
s.IterateInt("Octave", s.model.Octave().Int(), yield, seed)
// Lists
s.IterateList("Instruments", s.model.Instruments().List(), yield, seed)
s.IterateList("Units", s.model.Units().List(), yield, seed)
s.IterateList("Tracks", s.model.Tracks().List(), yield, seed)
s.IterateList("OrderRows", s.model.OrderRows().List(), yield, seed)
s.IterateList("NoteRows", s.model.NoteRows().List(), yield, seed)
s.IterateList("UnitSearchResults", s.model.SearchResults().List(), yield, seed)
s.IterateBool("Panic", s.model.Panic().Bool(), yield, seed)
s.IterateBool("Recording", s.model.IsRecording().Bool(), yield, seed)
s.IterateBool("Playing", s.model.Playing().Bool(), yield, seed)
s.IterateBool("InstrEnlarged", s.model.InstrEnlarged().Bool(), yield, seed)
s.IterateBool("Effect", s.model.Effect().Bool(), yield, seed)
s.IterateBool("CommentExpanded", s.model.CommentExpanded().Bool(), yield, seed)
s.IterateBool("NoteTracking", s.model.NoteTracking().Bool(), yield, seed)
// Strings
s.IterateString("FilePath", s.model.FilePath().String(), yield, seed)
s.IterateString("InstrumentName", s.model.InstrumentName().String(), yield, seed)
s.IterateString("InstrumentComment", s.model.InstrumentComment().String(), yield, seed)
s.IterateString("UnitSearchText", s.model.UnitSearch().String(), yield, seed)
// Actions
s.IterateAction("AddTrack", s.model.AddTrack(), yield, seed)
s.IterateAction("DeleteTrack", s.model.DeleteTrack(), yield, seed)
s.IterateAction("AddInstrument", s.model.AddInstrument(), yield, seed)
s.IterateAction("DeleteInstrument", s.model.DeleteInstrument(), yield, seed)
s.IterateAction("AddUnitAfter", s.model.AddUnit(false), yield, seed)
s.IterateAction("AddUnitBefore", s.model.AddUnit(true), yield, seed)
s.IterateAction("DeleteUnit", s.model.DeleteUnit(), yield, seed)
s.IterateAction("ClearUnit", s.model.ClearUnit(), yield, seed)
s.IterateAction("Undo", s.model.Undo(), yield, seed)
s.IterateAction("Redo", s.model.Redo(), yield, seed)
s.IterateAction("RemoveUnused", s.model.RemoveUnused(), yield, seed)
s.IterateAction("AddSemitone", s.model.AddSemitone(), yield, seed)
s.IterateAction("SubtractSemitone", s.model.SubtractSemitone(), yield, seed)
s.IterateAction("AddOctave", s.model.AddOctave(), yield, seed)
s.IterateAction("SubtractOctave", s.model.SubtractOctave(), yield, seed)
s.IterateAction("EditNoteOff", s.model.EditNoteOff(), yield, seed)
s.IterateAction("Rewind", s.model.Rewind(), yield, seed)
s.IterateAction("AddOrderRowAfter", s.model.AddOrderRow(false), yield, seed)
s.IterateAction("AddOrderRowBefore", s.model.AddOrderRow(true), yield, seed)
s.IterateAction("DeleteOrderRowForward", s.model.DeleteOrderRow(false), yield, seed)
s.IterateAction("DeleteOrderRowBackward", s.model.DeleteOrderRow(true), yield, seed)
// Tables
s.IterateTable("Order", s.model.Order().Table(), yield, seed)
s.IterateTable("Notes", s.model.Notes().Table(), yield, seed)
}
func (s *modelFuzzState) IterateInt(name string, i tracker.Int, yield func(string, func(p string, t *testing.T)) bool, seed int) {
r := i.Range()
yield(name+".Set", func(p string, t *testing.T) {
i.Set(seed%(r.Max-r.Min+10) - 5 + r.Min)
})
yield(name+".Value", func(p string, t *testing.T) {
if v := i.Value(); v < r.Min || v > r.Max {
r := i.Range()
t.Errorf("Path: %s %s value out of range [%d,%d]: %d", p, name, r.Min, r.Max, v)
}
})
}
func (s *modelFuzzState) IterateAction(name string, a tracker.Action, yield func(string, func(p string, t *testing.T)) bool, seed int) {
yield(name+".Do", func(p string, t *testing.T) {
a.Do()
})
}
func (s *modelFuzzState) IterateBool(name string, b tracker.Bool, yield func(string, func(p string, t *testing.T)) bool, seed int) {
yield(name+".Set", func(p string, t *testing.T) {
b.Set(seed%2 == 0)
})
yield(name+".Toggle", func(p string, t *testing.T) {
b.Toggle()
})
}
func (s *modelFuzzState) IterateString(name string, str tracker.String, yield func(string, func(p string, t *testing.T)) bool, seed int) {
yield(name+".Set", func(p string, t *testing.T) {
str.Set(fmt.Sprintf("%d", seed))
})
}
func (s *modelFuzzState) IterateList(name string, l tracker.List, yield func(string, func(p string, t *testing.T)) bool, seed int) {
yield(name+".SetSelected", func(p string, t *testing.T) {
l.SetSelected(seed%50 - 16)
})
yield(name+".Count", func(p string, t *testing.T) {
if c := l.Count(); c > 0 {
if l.Selected() < 0 || l.Selected() >= c {
t.Errorf("Path: %s %s selected out of range: %d", p, name, l.Selected())
}
} else {
if l.Selected() != 0 {
t.Errorf("Path: %s %s selected out of range: %d", p, name, l.Selected())
}
}
})
yield(name+".SetSelected2", func(p string, t *testing.T) {
l.SetSelected2(seed%50 - 16)
})
yield(name+".Count2", func(p string, t *testing.T) {
if c := l.Count(); c > 0 {
if l.Selected2() < 0 || l.Selected2() >= c {
t.Errorf("Path: %s List selected2 out of range: %d", p, l.Selected2())
}
} else {
if l.Selected2() != 0 {
t.Errorf("Path: %s List selected2 out of range: %d", p, l.Selected2())
}
}
})
yield(name+".MoveElements", func(p string, t *testing.T) {
l.MoveElements(seed%2*2 - 1)
})
yield(name+".DeleteElementsForward", func(p string, t *testing.T) {
l.DeleteElements(false)
})
yield(name+".DeleteElementsBackward", func(p string, t *testing.T) {
l.DeleteElements(true)
})
yield(name+".CopyElements", func(p string, t *testing.T) {
s.clipboard, _ = l.CopyElements()
})
yield(name+".PasteElements", func(p string, t *testing.T) {
l.PasteElements(s.clipboard)
})
}
func (s *modelFuzzState) IterateTable(name string, table tracker.Table, yield func(string, func(p string, t *testing.T)) bool, seed int) {
yield(name+".SetCursor", func(p string, t *testing.T) {
table.SetCursor(tracker.Point{seed % 16, seed * 1337 % 16})
})
yield(name+".SetCursor2", func(p string, t *testing.T) {
table.SetCursor2(tracker.Point{seed % 16, seed * 1337 % 16})
})
yield(name+".Cursor", func(p string, t *testing.T) {
if c := table.Cursor(); c.X < 0 || (c.X >= table.Width() && table.Width() > 0) || c.Y < 0 || (c.Y >= table.Height() && table.Height() > 0) {
t.Errorf("Path: %s Table cursor out of range: %v", p, c)
}
})
yield(name+".Cursor2", func(p string, t *testing.T) {
if c := table.Cursor2(); c.X < 0 || (c.X >= table.Width() && table.Width() > 0) || c.Y < 0 || (c.Y >= table.Height() && table.Height() > 0) {
t.Errorf("Path: %s Table cursor2 out of range: %v", p, c)
}
})
yield(name+".SetCursorX", func(p string, t *testing.T) {
table.SetCursorX(seed % 16)
})
yield(name+".SetCursorY", func(p string, t *testing.T) {
table.SetCursorY(seed % 16)
})
yield(name+".MoveCursor", func(p string, t *testing.T) {
table.MoveCursor(seed%2*2-1, seed%2*2-1)
})
yield(name+".Copy", func(p string, t *testing.T) {
s.clipboard, _ = table.Copy()
})
yield(name+".Paste", func(p string, t *testing.T) {
table.Paste(s.clipboard)
})
yield(name+".Clear", func(p string, t *testing.T) {
table.Clear()
})
yield(name+".Fill", func(p string, t *testing.T) {
table.Fill(seed % 16)
})
yield(name+".Add", func(p string, t *testing.T) {
table.Add(seed % 16)
})
}
func FuzzModel(f *testing.F) {
seed := make([]byte, 1)
for i := range seed {
seed[i] = byte(i)
}
f.Add(seed)
f.Fuzz(func(t *testing.T, slice []byte) {
reader := bytes.NewReader(slice)
synther := vm.GoSynther{}
model, player := tracker.NewModelPlayer(synther, "")
buf := make([][2]float32, 2048)
closeChan := make(chan struct{})
go func() {
loop:
for {
select {
case <-closeChan:
break loop
default:
ctx := NullContext{}
player.Process(buf, ctx)
}
}
}()
state := modelFuzzState{model: model}
count := 0
state.Iterate(func(n string, f func(p string, t *testing.T)) bool {
count++
return true
}, 0)
totalPath := ""
for m, err := binary.ReadVarint(reader); err == nil; m, err = binary.ReadVarint(reader) {
seed := int(m)
index := seed % count
state.Iterate(func(n string, f func(p string, t *testing.T)) bool {
if index == 0 {
totalPath += n + ". "
f(totalPath, t)
}
index--
return index > 0
}, seed)
}
closeChan <- struct{}{}
})
}