Files
mapsize/internal/tui/bench_test.go
T

115 lines
2.5 KiB
Go

package tui
import (
"fmt"
"math/rand"
"testing"
"github.com/charmbracelet/colorprofile"
"github.com/andydixon/mapsize/internal/inventory"
)
// bigTree builds ~1M nodes in memory: 200 top-level dirs with nested
// subdirectories, plus one flat directory with 200k files.
func bigTree() *inventory.Tree {
r := rand.New(rand.NewSource(1))
t := inventory.New("/big", inventory.KindDir)
file := func(p inventory.NodeID, i int) {
id := t.Add(p, fmt.Sprintf("f%d.dat", i), inventory.KindFile)
n := t.Node(id)
n.Size = int64(r.ExpFloat64() * 1e6)
n.Alloc = n.Size
n.Cat = inventory.Category(r.Intn(int(inventory.NumCategories)))
}
flat := t.Add(0, "flat", inventory.KindDir)
for i := range 200_000 {
file(flat, i)
}
for d := range 200 {
top := t.Add(0, fmt.Sprintf("dir%d", d), inventory.KindDir)
for s := range 40 {
sub := t.Add(top, fmt.Sprintf("sub%d", s), inventory.KindDir)
for f := range 100 {
file(sub, f)
}
}
}
t.Recompute()
return t
}
var bigTreeCache *inventory.Tree
func benchModel(b *testing.B) *Model {
if bigTreeCache == nil {
bigTreeCache = bigTree()
}
m := newModel(Options{}, nil, bigTreeCache, func() {})
m.profile = colorprofile.TrueColor
send(m, size(200, 60))
return m
}
// Cold frame: sorting children, LOD selection, layout and paint.
func BenchmarkBigColdFrame(b *testing.B) {
m := benchModel(b)
b.ReportMetric(float64(m.tree.Len()), "nodes")
for b.Loop() {
m.invalidate()
m.View()
}
}
// Resize: child lists cached; layout and paint rerun for the new size.
func BenchmarkBigResize(b *testing.B) {
m := benchModel(b)
m.View()
i := 0
for b.Loop() {
send(m, size(150+i%100, 40+i%30))
m.View()
i++
}
}
// Zoomed into a 200k-entry directory (cold child sort each time).
func BenchmarkBigFlatDirCold(b *testing.B) {
m := benchModel(b)
m.tree.Children(0, func(id inventory.NodeID, n *inventory.Node) {
if n.Name == "flat" {
m.zoom = id
}
})
for b.Loop() {
m.invalidate()
m.View()
}
}
// Arrow-key navigation including the re-render it triggers.
func BenchmarkBigNavigate(b *testing.B) {
m := benchModel(b)
m.View()
keys := []string{"right", "down", "left", "up"}
i := 0
for b.Loop() {
send(m, key(keys[i%4]))
m.View()
i++
}
}
func BenchmarkBigFilter(b *testing.B) {
m := benchModel(b)
for _, q := range []string{"size > 1MB", "*.dat AND size > 500k", "path contains sub3"} {
b.Run(q, func(b *testing.B) {
m.search.ed.set(q)
m.queryChanged()
for b.Loop() {
m.applyFilter()()
}
})
}
}