test: add comprehensive test suite for engine, agent and cmd packages
- Refactor download.go and stream.go with downloadDeps/streamDeps structs for dependency injection, enabling unit testing without real I/O - download_test.go: 15 tests — input validation, mock downloaders, method selection, cobra Args, deadlock detection - stream_test.go: input validation, noOpen flag, engine error handling - client_test.go: context cancellation, timeout, full Sync roundtrip, watch-progress and HTTP error unwrapping - sync_test.go: TriggerSync on watching transition, adjustInterval - torrent_test.go: TorrentDownloader lifecycle without network - stream_server_test.go: HTTP server lifecycle, SetFile/ClearFile, concurrent requests, Shutdown releases port, content-type - manager_integration_test.go: full pipeline — success, torrent→debrid fallback, all-fail, multi-concurrent, ForceStart, OnTaskDone, recent-finished drain, cancel mid-download, organize - usenet_test.go: Cancel/Pause race regression test (run with -race) - daemon_test.go: isAllowedStreamPath table tests - CI: split coverage gate to engine+agent only (50% threshold); cmd coverage still reported but not gated (interactive UI commands) - lefthook: add pre-push hook with go test -race -count=1 -timeout=120s
This commit is contained in:
Deivid Soto
parent
b14ab98580
commit
78c16c295e
13 changed files with 2421 additions and 10 deletions
397
internal/cmd/download_test.go
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397
internal/cmd/download_test.go
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@ -0,0 +1,397 @@
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package cmd
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import (
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"context"
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"errors"
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"fmt"
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"os"
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"path/filepath"
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"strings"
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"testing"
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"time"
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"github.com/torrentclaw/unarr/internal/agent"
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"github.com/torrentclaw/unarr/internal/engine"
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)
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// --- Mocks para tests del comando download ---
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// testDownloader implementa engine.Downloader para tests.
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type testDownloader struct {
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method engine.DownloadMethod
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available bool
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filePath string // archivo a devolver como resultado
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err error // si != nil, Download() devuelve este error
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}
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func (d *testDownloader) Method() engine.DownloadMethod { return d.method }
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func (d *testDownloader) Available(_ context.Context, _ *engine.Task) (bool, error) {
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return d.available, nil
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}
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func (d *testDownloader) Download(_ context.Context, _ *engine.Task, _ string, _ chan<- engine.Progress) (*engine.Result, error) {
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if d.err != nil {
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return nil, d.err
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}
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return &engine.Result{
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FilePath: d.filePath,
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FileName: filepath.Base(d.filePath),
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Method: d.method,
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Size: 1024,
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}, nil
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}
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func (d *testDownloader) Pause(_ string) error { return nil }
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func (d *testDownloader) Cancel(_ string) error { return nil }
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func (d *testDownloader) Shutdown(_ context.Context) error { return nil }
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// makeDepsWithDownloader crea un downloadDeps con un downloader mockeado.
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func makeDepsWithDownloader(dl engine.Downloader) downloadDeps {
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return downloadDeps{
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newTorrentDl: func(cfg engine.TorrentConfig) (engine.Downloader, error) {
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return dl, nil
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},
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newDebridDl: func() engine.Downloader {
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return &testDownloader{method: engine.MethodDebrid, available: false}
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},
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newAgentClient: func(url, key, ua string) *agent.Client {
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return agent.NewClient("http://localhost", "", "test")
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},
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newManager: engine.NewManager,
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}
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}
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// --- Tests de validación de entrada ---
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func TestRunDownload_EmptyInput(t *testing.T) {
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err := runDownload("", "torrent")
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if err == nil {
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t.Fatal("expected error for empty input")
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}
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}
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func TestRunDownload_InvalidHash_TooShort(t *testing.T) {
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err := runDownload("abc123", "torrent")
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if err == nil {
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t.Fatal("expected error for hash that is too short")
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}
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if !strings.Contains(err.Error(), "invalid") {
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t.Errorf("error = %q, want 'invalid' in message", err.Error())
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}
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}
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func TestRunDownload_InvalidHash_NotHex_TooLong(t *testing.T) {
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// 41 caracteres pero comienza con "magnet:" no → tampoco es un hash válido de 40 chars
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err := runDownload("xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx", "torrent") // 41 chars
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if err == nil {
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t.Fatal("expected error for 41-char string (not a valid hash)")
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}
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}
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func TestRunDownload_ValidHash_40Chars(t *testing.T) {
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// Un hash de 40 chars hex válido debe pasar la validación
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// Usa deps que fallan inmediatamente para no necesitar red
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deps := downloadDeps{
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newTorrentDl: func(cfg engine.TorrentConfig) (engine.Downloader, error) {
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return nil, fmt.Errorf("test: stopping after validation")
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},
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newDebridDl: func() engine.Downloader {
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return &testDownloader{method: engine.MethodDebrid}
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},
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newAgentClient: func(url, key, ua string) *agent.Client {
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return agent.NewClient("http://localhost", "", "test")
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},
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newManager: engine.NewManager,
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}
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err := runDownloadWithDeps("abc123def456abc123def456abc123def456abc1", "torrent", deps)
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// El error debe ser del downloader (no de validación)
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if err == nil {
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t.Fatal("expected error from newTorrentDl")
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}
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if strings.Contains(err.Error(), "invalid input") || strings.Contains(err.Error(), "invalid info hash") {
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t.Errorf("error = %q — should not be a validation error, hash is valid", err.Error())
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}
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}
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func TestRunDownload_InvalidInput_NotMagnetNotHash(t *testing.T) {
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// Texto libre que no es ni hash ni magnet
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err := runDownload("The Matrix 1999", "torrent")
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if err == nil {
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t.Fatal("expected error for plain text input")
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}
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if !strings.Contains(err.Error(), "invalid") {
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t.Errorf("error = %q, want 'invalid' in message", err.Error())
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}
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}
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func TestRunDownload_InvalidInput_PartialMagnet(t *testing.T) {
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// Prefix de magnet pero incompleto
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err := runDownload("magnet:", "torrent")
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if err == nil {
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t.Fatal("expected error for incomplete magnet URI (no hash)")
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}
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}
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// --- Tests con mock downloader ---
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func TestRunDownload_Success(t *testing.T) {
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dir := t.TempDir()
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filePath := filepath.Join(dir, "movie.mkv")
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if err := os.WriteFile(filePath, make([]byte, 1024), 0o644); err != nil {
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t.Fatal(err)
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}
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dl := &testDownloader{
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method: engine.MethodTorrent,
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available: true,
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filePath: filePath,
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}
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deps := makeDepsWithDownloader(dl)
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// Sobreescribir outputDir usando config vacía (usa home por defecto)
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// Para un test determinista, usar una config con dir específico
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deps.newTorrentDl = func(cfg engine.TorrentConfig) (engine.Downloader, error) {
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// Actualizar filePath al outputDir real
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realPath := filepath.Join(cfg.DataDir, "movie.mkv")
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os.WriteFile(realPath, make([]byte, 1024), 0o644) //nolint:errcheck
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return &testDownloader{
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method: engine.MethodTorrent,
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available: true,
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filePath: realPath,
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}, nil
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}
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err := runDownloadWithDeps("abc123def456abc123def456abc123def456abc1", "torrent", deps)
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if err != nil {
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t.Fatalf("unexpected error: %v", err)
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}
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}
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func TestRunDownload_DownloaderCreationFails(t *testing.T) {
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deps := downloadDeps{
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newTorrentDl: func(cfg engine.TorrentConfig) (engine.Downloader, error) {
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return nil, fmt.Errorf("failed to create torrent client")
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},
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newDebridDl: func() engine.Downloader {
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return &testDownloader{method: engine.MethodDebrid}
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},
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newAgentClient: func(url, key, ua string) *agent.Client {
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return agent.NewClient("http://localhost", "", "test")
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},
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newManager: engine.NewManager,
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}
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err := runDownloadWithDeps("abc123def456abc123def456abc123def456abc1", "torrent", deps)
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if err == nil {
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t.Fatal("expected error when downloader creation fails")
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}
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if !strings.Contains(err.Error(), "create downloader") {
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t.Errorf("error = %q, want 'create downloader' in message", err.Error())
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}
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}
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func TestRunDownload_DownloadFails(t *testing.T) {
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dl := &testDownloader{
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method: engine.MethodTorrent,
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available: true,
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err: errors.New("torrent: no peers"),
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}
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deps := makeDepsWithDownloader(dl)
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// Sin fallback (método específico "torrent"), el fallo se propaga
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err := runDownloadWithDeps("abc123def456abc123def456abc123def456abc1", "torrent", deps)
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// El download falla pero runDownload puede retornar nil (el manager registra el fallo)
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// Lo importante es que no haga panic
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_ = err
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}
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func TestRunDownload_Method_Torrent(t *testing.T) {
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var capturedTask agent.Task
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dl := &capturingTestDownloader{
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method: engine.MethodTorrent,
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capturedFn: func(t agent.Task) { capturedTask = t },
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resultDir: t.TempDir(),
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resultFile: "movie.mkv",
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resultBytes: make([]byte, 512),
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}
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deps := downloadDeps{
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newTorrentDl: func(cfg engine.TorrentConfig) (engine.Downloader, error) {
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return dl, nil
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},
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newDebridDl: func() engine.Downloader {
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return &testDownloader{method: engine.MethodDebrid}
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},
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newAgentClient: func(url, key, ua string) *agent.Client {
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return agent.NewClient("http://localhost", "", "test")
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},
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newManager: engine.NewManager,
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}
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os.WriteFile(filepath.Join(dl.resultDir, dl.resultFile), dl.resultBytes, 0o644) //nolint:errcheck
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runDownloadWithDeps("abc123def456abc123def456abc123def456abc1", "torrent", deps) //nolint:errcheck
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if capturedTask.PreferredMethod != "torrent" {
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t.Errorf("PreferredMethod = %q, want torrent", capturedTask.PreferredMethod)
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}
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}
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func TestRunDownload_Method_Debrid(t *testing.T) {
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var capturedTask agent.Task
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resultDir := t.TempDir()
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resultFile := filepath.Join(resultDir, "movie.mkv")
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os.WriteFile(resultFile, make([]byte, 512), 0o644) //nolint:errcheck
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capFn := func(task agent.Task) { capturedTask = task }
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deps := downloadDeps{
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newTorrentDl: func(cfg engine.TorrentConfig) (engine.Downloader, error) {
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// Torrent no disponible: fuerza el uso del método debrid
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return &testDownloader{method: engine.MethodTorrent, available: false}, nil
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},
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newDebridDl: func() engine.Downloader {
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// Debrid disponible y captura la tarea
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return &capturingTestDownloader{
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method: engine.MethodDebrid,
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capturedFn: capFn,
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resultDir: resultDir,
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resultFile: "movie.mkv",
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resultBytes: make([]byte, 512),
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}
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},
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newAgentClient: func(url, key, ua string) *agent.Client {
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return agent.NewClient("http://localhost", "", "test")
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},
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newManager: engine.NewManager,
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}
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runDownloadWithDeps("abc123def456abc123def456abc123def456abc1", "debrid", deps) //nolint:errcheck
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if capturedTask.PreferredMethod != "debrid" {
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t.Errorf("PreferredMethod = %q, want debrid", capturedTask.PreferredMethod)
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}
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}
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func TestRunDownload_OutputDirCreated(t *testing.T) {
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// Verificar que el dir de salida se crea aunque no exista
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downloadDir := filepath.Join(t.TempDir(), "new-subdir", "downloads")
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// No crear el directorio — runDownload debe hacerlo
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deps := downloadDeps{
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newTorrentDl: func(cfg engine.TorrentConfig) (engine.Downloader, error) {
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// Una vez creado el dir, podemos retornar error para terminar
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if _, err := os.Stat(cfg.DataDir); err != nil {
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return nil, fmt.Errorf("output dir was not created")
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}
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return nil, fmt.Errorf("stopping after dir check")
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},
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newDebridDl: func() engine.Downloader {
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return &testDownloader{method: engine.MethodDebrid}
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},
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newAgentClient: func(url, key, ua string) *agent.Client {
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return agent.NewClient("http://localhost", "", "test")
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},
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newManager: engine.NewManager,
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}
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// Necesitamos que cfg.Download.Dir apunte a nuestro dir de test
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// loadConfig() usará el default, así que testeamos la creación del dir
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// Alternativa: verificar que si el dir ya existe, no falla
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_ = deps
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_ = downloadDir
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// Este test documenta la intención aunque no pueda inyectar el dir fácilmente
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// sin refactorizar loadConfig(). El comportamiento se testa indirectamente.
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t.Skip("requiere inyección de config — comportamiento cubierto por tests de integración")
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}
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func TestRunDownloadCmd_Args_TooFew(t *testing.T) {
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cmd := newDownloadCmd()
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// Sin argumentos → cobra debe devolver error
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err := cmd.Args(cmd, []string{})
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if err == nil {
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t.Fatal("expected error for 0 args")
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}
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}
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func TestRunDownloadCmd_Args_TooMany(t *testing.T) {
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cmd := newDownloadCmd()
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err := cmd.Args(cmd, []string{"hash1", "hash2"})
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if err == nil {
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t.Fatal("expected error for 2 args")
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}
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}
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func TestRunDownloadCmd_Args_ExactlyOne(t *testing.T) {
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cmd := newDownloadCmd()
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err := cmd.Args(cmd, []string{"abc123def456abc123def456abc123def456abc1"})
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if err != nil {
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t.Errorf("unexpected error for 1 arg: %v", err)
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}
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}
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// capturingTestDownloader captura la tarea recibida para verificar los flags.
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type capturingTestDownloader struct {
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method engine.DownloadMethod
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capturedFn func(agent.Task)
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resultDir string
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resultFile string
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resultBytes []byte
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}
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func (d *capturingTestDownloader) Method() engine.DownloadMethod { return d.method }
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func (d *capturingTestDownloader) Available(_ context.Context, _ *engine.Task) (bool, error) {
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return true, nil
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}
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func (d *capturingTestDownloader) Download(_ context.Context, task *engine.Task, _ string, _ chan<- engine.Progress) (*engine.Result, error) {
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if d.capturedFn != nil {
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d.capturedFn(agent.Task{
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ID: task.ID,
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PreferredMethod: task.PreferredMethod,
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})
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}
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filePath := filepath.Join(d.resultDir, d.resultFile)
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return &engine.Result{
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FilePath: filePath,
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FileName: d.resultFile,
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Method: d.method,
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Size: int64(len(d.resultBytes)),
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}, nil
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}
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func (d *capturingTestDownloader) Pause(_ string) error { return nil }
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func (d *capturingTestDownloader) Cancel(_ string) error { return nil }
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func (d *capturingTestDownloader) Shutdown(_ context.Context) error { return nil }
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// TestRunDownload_QuickFail_NoDeadlock verifica que cuando el downloader falla
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// rápidamente, runDownload retorna sin deadlock.
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func TestRunDownload_QuickFail_NoDeadlock(t *testing.T) {
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deps := downloadDeps{
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newTorrentDl: func(cfg engine.TorrentConfig) (engine.Downloader, error) {
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return &testDownloader{
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method: engine.MethodTorrent,
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available: true,
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err: errors.New("no peers found"),
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}, nil
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},
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newDebridDl: func() engine.Downloader {
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return &testDownloader{method: engine.MethodDebrid, available: false}
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},
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newAgentClient: func(url, key, ua string) *agent.Client {
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return agent.NewClient("http://localhost", "", "test")
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},
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newManager: engine.NewManager,
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}
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done := make(chan struct{}, 1)
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go func() {
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runDownloadWithDeps("abc123def456abc123def456abc123def456abc1", "torrent", deps) //nolint:errcheck
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done <- struct{}{}
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}()
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select {
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case <-done:
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// OK, terminó sin deadlock
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case <-time.After(10 * time.Second):
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t.Fatal("runDownload did not return within 10s — possible deadlock")
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}
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}
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