unarr/internal/usenet/download/progress_test.go
Deivid Soto 5a7449b9e6 chore: rename module from torrentclaw-cli to unarr
- Rename Go module path github.com/torrentclaw/torrentclaw-cli → github.com/torrentclaw/unarr
- Update all imports, ldflags, scripts, docs, and Docker config
- Add GitHub Actions release workflow (goreleaser on tag push)
2026-03-30 13:06:07 +02:00

398 lines
9.6 KiB
Go

package download
import (
"os"
"path/filepath"
"sync"
"testing"
"time"
"github.com/torrentclaw/unarr/internal/usenet/nzb"
)
var fixedPast = time.Now().Add(-30 * 24 * time.Hour)
func makeTestNZB(fileCount, segsPerFile int) *nzb.NZB {
n := &nzb.NZB{
Files: make([]nzb.File, fileCount),
}
for i := 0; i < fileCount; i++ {
segs := make([]nzb.Segment, segsPerFile)
for j := 0; j < segsPerFile; j++ {
segs[j] = nzb.Segment{
Bytes: 750 * 1024,
Number: j + 1,
MessageID: segMsgID(i, j),
}
}
n.Files[i] = nzb.File{
Subject: `"testfile_` + string(rune('a'+i)) + `.rar" yEnc (1/` + string(rune('0'+segsPerFile)) + `)`,
Segments: segs,
}
}
return n
}
func segMsgID(file, seg int) string {
return "part" + itoa(seg) + ".file" + itoa(file) + "@example.com"
}
func itoa(n int) string {
if n == 0 {
return "0"
}
s := ""
for n > 0 {
s = string(rune('0'+n%10)) + s
n /= 10
}
return s
}
func TestFingerprint_Deterministic(t *testing.T) {
n := makeTestNZB(3, 10)
fp1 := Fingerprint(n)
fp2 := Fingerprint(n)
if fp1 != fp2 {
t.Fatal("fingerprint should be deterministic")
}
}
func TestFingerprint_DifferentNZB(t *testing.T) {
n1 := makeTestNZB(3, 10)
n2 := makeTestNZB(3, 11)
if Fingerprint(n1) == Fingerprint(n2) {
t.Fatal("different NZBs should have different fingerprints")
}
}
func TestProgressTracker_NewAndFlush(t *testing.T) {
dir := t.TempDir()
n := makeTestNZB(2, 5)
tracker := NewProgressTracker("test-task-1", n, dir)
// Mark some segments
tracker.MarkDone(0, 0)
tracker.MarkDone(0, 2)
tracker.MarkDone(1, 4)
if err := tracker.Flush(); err != nil {
t.Fatalf("flush: %v", err)
}
// Verify file exists
path := filepath.Join(dir, "test-task-1.progress")
if _, err := os.Stat(path); err != nil {
t.Fatalf("progress file should exist: %v", err)
}
// Verify state
if !tracker.IsDone(0, 0) {
t.Error("segment 0,0 should be done")
}
if tracker.IsDone(0, 1) {
t.Error("segment 0,1 should NOT be done")
}
if !tracker.IsDone(0, 2) {
t.Error("segment 0,2 should be done")
}
if !tracker.IsDone(1, 4) {
t.Error("segment 1,4 should be done")
}
if tracker.CompletedSegments(0) != 2 {
t.Errorf("file 0: expected 2 completed, got %d", tracker.CompletedSegments(0))
}
if tracker.CompletedSegments(1) != 1 {
t.Errorf("file 1: expected 1 completed, got %d", tracker.CompletedSegments(1))
}
}
func TestProgressTracker_LoadRoundTrip(t *testing.T) {
dir := t.TempDir()
n := makeTestNZB(2, 8)
// Create and populate
tracker1 := NewProgressTracker("test-task-2", n, dir)
tracker1.MarkDone(0, 0)
tracker1.MarkDone(0, 3)
tracker1.MarkDone(0, 7)
tracker1.MarkDone(1, 1)
tracker1.MarkDone(1, 5)
if err := tracker1.Flush(); err != nil {
t.Fatalf("flush: %v", err)
}
// Load into new tracker
tracker2 := NewProgressTracker("test-task-2", n, dir)
loaded, err := tracker2.Load()
if err != nil {
t.Fatalf("load: %v", err)
}
if !loaded {
t.Fatal("should have loaded successfully")
}
// Verify all bits match
for _, tc := range []struct {
file, seg int
want bool
}{
{0, 0, true}, {0, 1, false}, {0, 2, false}, {0, 3, true},
{0, 4, false}, {0, 5, false}, {0, 6, false}, {0, 7, true},
{1, 0, false}, {1, 1, true}, {1, 2, false}, {1, 3, false},
{1, 4, false}, {1, 5, true}, {1, 6, false}, {1, 7, false},
} {
got := tracker2.IsDone(tc.file, tc.seg)
if got != tc.want {
t.Errorf("file %d seg %d: got %v, want %v", tc.file, tc.seg, got, tc.want)
}
}
if tracker2.CompletedSegments(0) != 3 {
t.Errorf("file 0: expected 3 completed, got %d", tracker2.CompletedSegments(0))
}
if tracker2.CompletedSegments(1) != 2 {
t.Errorf("file 1: expected 2 completed, got %d", tracker2.CompletedSegments(1))
}
}
func TestProgressTracker_FingerprintMismatch(t *testing.T) {
dir := t.TempDir()
n1 := makeTestNZB(2, 5)
n2 := makeTestNZB(2, 6) // different segment count = different fingerprint
// Write with n1
tracker1 := NewProgressTracker("test-task-3", n1, dir)
tracker1.MarkDone(0, 0)
if err := tracker1.Flush(); err != nil {
t.Fatalf("flush: %v", err)
}
// Try to load with n2
tracker2 := NewProgressTracker("test-task-3", n2, dir)
loaded, err := tracker2.Load()
if err != nil {
t.Fatalf("load: %v", err)
}
if loaded {
t.Fatal("should NOT load — fingerprint mismatch")
}
}
func TestProgressTracker_IsFileDone(t *testing.T) {
dir := t.TempDir()
n := makeTestNZB(1, 4)
tracker := NewProgressTracker("test-task-4", n, dir)
if tracker.IsFileDone(0) {
t.Error("file should not be done yet")
}
tracker.MarkDone(0, 0)
tracker.MarkDone(0, 1)
tracker.MarkDone(0, 2)
if tracker.IsFileDone(0) {
t.Error("file should not be done (3/4)")
}
tracker.MarkDone(0, 3)
if !tracker.IsFileDone(0) {
t.Error("file should be done (4/4)")
}
}
func TestProgressTracker_ConcurrentMark(t *testing.T) {
dir := t.TempDir()
segCount := 1000
n := makeTestNZB(1, segCount)
tracker := NewProgressTracker("test-task-5", n, dir)
var wg sync.WaitGroup
for i := 0; i < segCount; i++ {
wg.Add(1)
go func(idx int) {
defer wg.Done()
tracker.MarkDone(0, idx)
}(i)
}
wg.Wait()
if !tracker.IsFileDone(0) {
t.Errorf("all segments should be done, got %d/%d", tracker.CompletedSegments(0), segCount)
}
// Flush and reload
if err := tracker.Flush(); err != nil {
t.Fatalf("flush: %v", err)
}
tracker2 := NewProgressTracker("test-task-5", n, dir)
loaded, _ := tracker2.Load()
if !loaded {
t.Fatal("should load")
}
if !tracker2.IsFileDone(0) {
t.Errorf("after reload: expected all done, got %d/%d", tracker2.CompletedSegments(0), segCount)
}
}
func TestProgressTracker_Remove(t *testing.T) {
dir := t.TempDir()
n := makeTestNZB(1, 3)
tracker := NewProgressTracker("test-task-6", n, dir)
tracker.MarkDone(0, 0)
if err := tracker.Flush(); err != nil {
t.Fatalf("flush: %v", err)
}
// Write a fake NZB cache file
nzbPath := filepath.Join(dir, "test-task-6.nzb")
os.WriteFile(nzbPath, []byte("<nzb/>"), 0o644)
// Both should exist
if _, err := os.Stat(tracker.progressPath()); err != nil {
t.Fatal("progress file should exist")
}
if _, err := os.Stat(nzbPath); err != nil {
t.Fatal("nzb cache should exist")
}
tracker.Remove()
if _, err := os.Stat(tracker.progressPath()); !os.IsNotExist(err) {
t.Error("progress file should be removed")
}
if _, err := os.Stat(nzbPath); !os.IsNotExist(err) {
t.Error("nzb cache should be removed")
}
}
func TestProgressTracker_LargeNZB(t *testing.T) {
dir := t.TempDir()
segCount := 30000
n := makeTestNZB(1, segCount)
tracker := NewProgressTracker("test-task-7", n, dir)
// Mark every other segment
for i := 0; i < segCount; i += 2 {
tracker.MarkDone(0, i)
}
if err := tracker.Flush(); err != nil {
t.Fatalf("flush: %v", err)
}
// Check file size is compact
info, err := os.Stat(tracker.progressPath())
if err != nil {
t.Fatalf("stat: %v", err)
}
// Header (40) + file header (4) + bitset (30000/8 = 3750) = 3794 bytes
expectedMax := int64(4000)
if info.Size() > expectedMax {
t.Errorf("progress file too large: %d bytes (expected < %d)", info.Size(), expectedMax)
}
// Reload and verify
tracker2 := NewProgressTracker("test-task-7", n, dir)
loaded, _ := tracker2.Load()
if !loaded {
t.Fatal("should load")
}
if tracker2.CompletedSegments(0) != segCount/2 {
t.Errorf("expected %d completed, got %d", segCount/2, tracker2.CompletedSegments(0))
}
// Spot check
if !tracker2.IsDone(0, 0) {
t.Error("seg 0 should be done")
}
if tracker2.IsDone(0, 1) {
t.Error("seg 1 should NOT be done")
}
if !tracker2.IsDone(0, 100) {
t.Error("seg 100 should be done")
}
}
func TestProgressTracker_CompletedBytes(t *testing.T) {
dir := t.TempDir()
n := makeTestNZB(1, 4)
tracker := NewProgressTracker("test-task-8", n, dir)
tracker.MarkDone(0, 0)
tracker.MarkDone(0, 2)
bytes := tracker.CompletedBytes(0, n.Files[0].Segments)
expected := int64(2 * 750 * 1024) // 2 segments * 750KB
if bytes != expected {
t.Errorf("expected %d bytes, got %d", expected, bytes)
}
}
func TestProgressTracker_BoundsCheck(t *testing.T) {
dir := t.TempDir()
n := makeTestNZB(1, 3)
tracker := NewProgressTracker("test-task-9", n, dir)
// Out-of-bounds should not panic
tracker.MarkDone(-1, 0)
tracker.MarkDone(0, -1)
tracker.MarkDone(5, 0)
tracker.MarkDone(0, 100)
if tracker.IsDone(-1, 0) {
t.Error("out of bounds should return false")
}
if tracker.IsDone(5, 0) {
t.Error("out of bounds should return false")
}
if tracker.IsFileDone(-1) {
t.Error("out of bounds should return false")
}
}
func TestCleanStaleFiles(t *testing.T) {
dir := t.TempDir()
// Create a "stale" file
stalePath := filepath.Join(dir, "old-task.progress")
os.WriteFile(stalePath, []byte("data"), 0o644)
// Backdate modification time
staleTime := os.Chtimes(stalePath, fixedPast, fixedPast)
if staleTime != nil {
t.Fatalf("chtimes: %v", staleTime)
}
// Create a "fresh" file
freshPath := filepath.Join(dir, "new-task.progress")
os.WriteFile(freshPath, []byte("data"), 0o644)
removed := CleanStaleFiles(dir, 14*24*time.Hour) // 2 weeks — stale file is 30 days old
if removed != 1 {
t.Errorf("expected 1 removed, got %d", removed)
}
if _, err := os.Stat(stalePath); !os.IsNotExist(err) {
t.Error("stale file should be removed")
}
if _, err := os.Stat(freshPath); err != nil {
t.Error("fresh file should still exist")
}
}
func TestProgressTracker_FlushNoOp(t *testing.T) {
dir := t.TempDir()
n := makeTestNZB(1, 3)
tracker := NewProgressTracker("test-task-10", n, dir)
// Flush without any marks should be no-op
if err := tracker.Flush(); err != nil {
t.Fatalf("flush: %v", err)
}
// File should not be created
if _, err := os.Stat(tracker.progressPath()); !os.IsNotExist(err) {
t.Error("no file should be created for empty flush")
}
}