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package flamegraph
import (
"testing"
"time"
coreflamegraph "ior/internal/flamegraph"
"ior/internal/types"
tea "charm.land/bubbletea/v2"
)
func ingestTwoEventsForAsync(t *testing.T, trie *coreflamegraph.LiveTrie) {
t.Helper()
for i := 0; i < 2; i++ {
traceID := types.SYS_ENTER_READ
if i%2 == 0 {
traceID = types.SYS_ENTER_WRITE
}
pair := newBenchmarkPair("worker", traceID, uint32(1000+i), uint32(200000+i), "/srv/app")
trie.Ingest(pair)
pair.Recycle()
}
}
func TestRefreshFromLiveTrieCmdNilWhenNoTrie(t *testing.T) {
m := NewModel(nil)
if cmd := m.RefreshFromLiveTrieCmd(); cmd != nil {
t.Fatalf("expected nil command when liveTrie is nil")
}
}
func TestRefreshFromLiveTrieCmdProducesSnapshotReady(t *testing.T) {
trie := coreflamegraph.NewLiveTrie([]string{"comm", "path"}, "count", "count")
ingestTwoEventsForAsync(t, trie)
m := NewModel(trie)
m.width = 120
m.height = 30
cmd := m.RefreshFromLiveTrieCmd()
if cmd == nil {
t.Fatalf("expected a refresh command when trie has new events")
}
if !m.refreshInFlight {
t.Fatalf("expected refreshInFlight=true after dispatch")
}
msg := cmd()
ready, ok := msg.(flameSnapshotReadyMsg)
if !ok {
t.Fatalf("expected flameSnapshotReadyMsg, got %T", msg)
}
if ready.snapshot == nil {
t.Fatalf("expected snapshot in ready message")
}
if ready.layoutWidth != 120 || ready.layoutHeight != 30 {
t.Fatalf("ready msg layout = %dx%d, want 120x30", ready.layoutWidth, ready.layoutHeight)
}
if ready.version == 0 {
t.Fatalf("expected non-zero version after ingestion")
}
if len(ready.ancestry.parent) != len(ready.targetFrames) {
t.Fatalf("ancestry length %d != frames length %d", len(ready.ancestry.parent), len(ready.targetFrames))
}
}
func TestRefreshFromLiveTrieCmdCoalescesInFlight(t *testing.T) {
trie := coreflamegraph.NewLiveTrie([]string{"comm", "path"}, "count", "count")
ingestTwoEventsForAsync(t, trie)
m := NewModel(trie)
m.width = 80
m.height = 24
if first := m.RefreshFromLiveTrieCmd(); first == nil {
t.Fatalf("expected first cmd to dispatch")
}
if second := m.RefreshFromLiveTrieCmd(); second != nil {
t.Fatalf("expected second cmd to coalesce (return nil) while a refresh is in flight")
}
}
func TestRefreshFromLiveTrieCmdSkippedWhileUserDrives(t *testing.T) {
trie := coreflamegraph.NewLiveTrie([]string{"comm", "path"}, "count", "count")
ingestTwoEventsForAsync(t, trie)
m := NewModel(trie)
m.width = 80
m.height = 24
// Load an initial snapshot so the drive gate (which requires an existing
// snapshot to skip) takes effect.
if !m.RefreshFromLiveTrie() {
t.Fatalf("expected initial sync refresh to populate snapshot")
}
ingestTwoEventsForAsync(t, trie)
m.lastKeyAt = time.Now()
if cmd := m.RefreshFromLiveTrieCmd(); cmd != nil {
t.Fatalf("expected refresh to be skipped while user is actively pressing keys")
}
// Move the timestamp outside the drive window — should dispatch.
m.lastKeyAt = time.Now().Add(-2 * driveWindow)
if cmd := m.RefreshFromLiveTrieCmd(); cmd == nil {
t.Fatalf("expected refresh to dispatch once drive window expires")
}
}
func TestSnapshotReadyHandlerSnapsToTargetWhileDriving(t *testing.T) {
trie := coreflamegraph.NewLiveTrie([]string{"comm", "path"}, "count", "count")
ingestTwoEventsForAsync(t, trie)
m := NewModel(trie)
m.width = 120
m.height = 30
m.refreshInFlight = true
cmd := func() tea.Cmd {
liveTrie := trie
return func() tea.Msg {
tree, ver := liveTrie.SnapshotTree()
targetFrames := buildTerminalLayoutWithPath(tree, m.width, m.height, "")
ancestry := buildFrameAncestry(targetFrames)
return flameSnapshotReadyMsg{
version: ver,
layoutWidth: m.width,
layoutHeight: m.height,
snapshot: tree,
targetFrames: targetFrames,
ancestry: ancestry,
globalTotal: snapshotTotal(tree),
}
}
}()
msg := cmd().(flameSnapshotReadyMsg)
m.lastKeyAt = time.Now()
next, _ := m.handleSnapshotReady(msg)
post := next.(Model)
if post.animating {
t.Fatalf("expected snapshot ready to skip animation while user is driving")
}
if len(post.frames) != len(msg.targetFrames) {
t.Fatalf("expected frames to snap directly to target (len %d != %d)", len(post.frames), len(msg.targetFrames))
}
}
func TestViewCacheReusesContentWhenStateUnchanged(t *testing.T) {
trie := coreflamegraph.NewLiveTrie([]string{"comm", "path"}, "count", "count")
ingestTwoEventsForAsync(t, trie)
m := NewModel(trie)
m.width = 120
m.height = 30
if !m.RefreshFromLiveTrie() {
t.Fatalf("expected initial refresh to populate snapshot")
}
// Drain any pending animation so the cache path is exercised.
for m.animating {
nextModel, _ := m.Update(animTickMsg{})
m = nextModel.(Model)
}
first := m.View().Content
if !m.viewCache.valid {
t.Fatalf("expected viewCache to be marked valid after first View() call")
}
cachedAddr := &m.viewCache.content
second := m.View().Content
if first != second {
t.Fatalf("expected identical content from two consecutive View() calls when state unchanged")
}
if cachedAddr != &m.viewCache.content {
t.Fatalf("expected cache content pointer to remain stable on a hit")
}
}
func BenchmarkRecomputeFilterState(b *testing.B) {
// Performance target: 5000-frame filter recompute should remain below 200us/op.
cases := []struct {
label string
frameCount int
}{
{label: "1000frames", frameCount: 1000},
{label: "5000frames", frameCount: 5000},
}
queries := []string{"sys_", "read", "/srv"}
for _, tc := range cases {
frames := benchmarkFramesForCount(tc.frameCount)
decorateFramesForSearch(frames)
b.Run(tc.label, func(b *testing.B) {
model := NewModel(nil)
model.frames = frames
model.ancestry = buildFrameAncestry(frames)
model.selectedIdx = midDepthFrameIndex(frames)
b.ReportAllocs()
for i := 0; i < b.N; i++ {
model.applySearchQuery(queries[i%len(queries)])
benchIntSink = len(model.matchIndices)
}
})
}
}
|
