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Files
kubo/core/coreiface/tests/unixfs.go

1095 lines
26 KiB
Go

package tests
import (
"bytes"
"context"
"encoding/hex"
"fmt"
"io"
"math"
"math/rand"
"os"
"strconv"
"strings"
"sync"
"testing"
"github.com/ipfs/boxo/path"
coreiface "github.com/ipfs/kubo/core/coreiface"
"github.com/ipfs/kubo/core/coreiface/options"
"github.com/ipfs/boxo/files"
mdag "github.com/ipfs/boxo/ipld/merkledag"
"github.com/ipfs/boxo/ipld/unixfs"
"github.com/ipfs/boxo/ipld/unixfs/importer/helpers"
"github.com/ipfs/go-cid"
cbor "github.com/ipfs/go-ipld-cbor"
ipld "github.com/ipfs/go-ipld-format"
mh "github.com/multiformats/go-multihash"
)
func (tp *TestSuite) TestUnixfs(t *testing.T) {
tp.hasApi(t, func(api coreiface.CoreAPI) error {
if api.Unixfs() == nil {
return errAPINotImplemented
}
return nil
})
t.Run("TestAdd", tp.TestAdd)
t.Run("TestAddPinned", tp.TestAddPinned)
t.Run("TestAddHashOnly", tp.TestAddHashOnly)
t.Run("TestGetEmptyFile", tp.TestGetEmptyFile)
t.Run("TestGetDir", tp.TestGetDir)
t.Run("TestGetNonUnixfs", tp.TestGetNonUnixfs)
t.Run("TestLs", tp.TestLs)
t.Run("TestEntriesExpired", tp.TestEntriesExpired)
t.Run("TestLsEmptyDir", tp.TestLsEmptyDir)
t.Run("TestLsNonUnixfs", tp.TestLsNonUnixfs)
t.Run("TestAddCloses", tp.TestAddCloses)
t.Run("TestGetSeek", tp.TestGetSeek)
t.Run("TestGetReadAt", tp.TestGetReadAt)
}
// `echo -n 'hello, world!' | ipfs add`
var (
hello = "/ipfs/QmQy2Dw4Wk7rdJKjThjYXzfFJNaRKRHhHP5gHHXroJMYxk"
helloStr = "hello, world!"
)
// `echo -n | ipfs add`
var emptyFile = "/ipfs/QmbFMke1KXqnYyBBWxB74N4c5SBnJMVAiMNRcGu6x1AwQH"
func strFile(data string) func() files.Node {
return func() files.Node {
return files.NewBytesFile([]byte(data))
}
}
func twoLevelDir() func() files.Node {
return func() files.Node {
return files.NewMapDirectory(map[string]files.Node{
"abc": files.NewMapDirectory(map[string]files.Node{
"def": files.NewBytesFile([]byte("world")),
}),
"bar": files.NewBytesFile([]byte("hello2")),
"foo": files.NewBytesFile([]byte("hello1")),
})
}
}
func flatDir() files.Node {
return files.NewMapDirectory(map[string]files.Node{
"bar": files.NewBytesFile([]byte("hello2")),
"foo": files.NewBytesFile([]byte("hello1")),
})
}
func wrapped(names ...string) func(f files.Node) files.Node {
return func(f files.Node) files.Node {
for i := range names {
f = files.NewMapDirectory(map[string]files.Node{
names[len(names)-i-1]: f,
})
}
return f
}
}
func (tp *TestSuite) TestAdd(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
api, err := tp.makeAPI(t, ctx)
if err != nil {
t.Fatal(err)
}
p := func(h string) path.ImmutablePath {
c, err := cid.Parse(h)
if err != nil {
t.Fatal(err)
}
return path.FromCid(c)
}
rf, err := os.CreateTemp(os.TempDir(), "unixfs-add-real")
if err != nil {
t.Fatal(err)
}
rfp := rf.Name()
if _, err := rf.Write([]byte(helloStr)); err != nil {
t.Fatal(err)
}
stat, err := rf.Stat()
if err != nil {
t.Fatal(err)
}
if err := rf.Close(); err != nil {
t.Fatal(err)
}
defer os.Remove(rfp)
realFile := func() files.Node {
n, err := files.NewReaderPathFile(rfp, io.NopCloser(strings.NewReader(helloStr)), stat)
if err != nil {
t.Fatal(err)
}
return n
}
cases := []struct {
name string
data func() files.Node
expect func(files.Node) files.Node
apiOpts []options.ApiOption
path string
err string
wrap string
events []coreiface.AddEvent
opts []options.UnixfsAddOption
}{
// Simple cases
{
name: "simpleAdd",
data: strFile(helloStr),
path: hello,
opts: []options.UnixfsAddOption{},
},
{
name: "addEmpty",
data: strFile(""),
path: emptyFile,
},
// CIDv1 version / rawLeaves
{
name: "addCidV1",
data: strFile(helloStr),
path: "/ipfs/bafkreidi4zlleupgp2bvrpxyja5lbvi4mym7hz5bvhyoowby2qp7g2hxfa",
opts: []options.UnixfsAddOption{options.Unixfs.CidVersion(1)},
},
{
name: "addCidV1NoLeaves",
data: strFile(helloStr),
path: "/ipfs/bafybeibhbcn7k7o2m6xsqkrlfiokod3nxwe47viteynhruh6uqx7hvkjfu",
opts: []options.UnixfsAddOption{options.Unixfs.CidVersion(1), options.Unixfs.RawLeaves(false)},
},
// Non sha256 hash vs CID
{
name: "addCidSha3",
data: strFile(helloStr),
path: "/ipfs/bafkrmichjflejeh6aren53o7pig7zk3m3vxqcoc2i5dv326k3x6obh7jry",
opts: []options.UnixfsAddOption{options.Unixfs.Hash(mh.SHA3_256)},
},
{
name: "addCidSha3Cid0",
data: strFile(helloStr),
err: "CIDv0 only supports sha2-256",
opts: []options.UnixfsAddOption{options.Unixfs.CidVersion(0), options.Unixfs.Hash(mh.SHA3_256)},
},
// Inline
{
name: "addInline",
data: strFile(helloStr),
path: "/ipfs/bafyaafikcmeaeeqnnbswy3dpfqqho33snrsccgan",
opts: []options.UnixfsAddOption{options.Unixfs.Inline(true)},
},
{
name: "addInlineLimit",
data: strFile(helloStr),
path: "/ipfs/bafyaafikcmeaeeqnnbswy3dpfqqho33snrsccgan",
opts: []options.UnixfsAddOption{options.Unixfs.InlineLimit(32), options.Unixfs.Inline(true)},
},
{
name: "addInlineZero",
data: strFile(""),
path: "/ipfs/bafkqaaa",
opts: []options.UnixfsAddOption{options.Unixfs.InlineLimit(0), options.Unixfs.Inline(true), options.Unixfs.RawLeaves(true)},
},
{ // TODO: after coreapi add is used in `ipfs add`, consider making this default for inline
name: "addInlineRaw",
data: strFile(helloStr),
path: "/ipfs/bafkqadlimvwgy3zmeb3w64tmmqqq",
opts: []options.UnixfsAddOption{options.Unixfs.InlineLimit(32), options.Unixfs.Inline(true), options.Unixfs.RawLeaves(true)},
},
// Chunker / Layout
{
name: "addChunks",
data: strFile(strings.Repeat("aoeuidhtns", 200)),
path: "/ipfs/QmRo11d4QJrST47aaiGVJYwPhoNA4ihRpJ5WaxBWjWDwbX",
opts: []options.UnixfsAddOption{options.Unixfs.Chunker("size-4")},
},
{
name: "addChunksTrickle",
data: strFile(strings.Repeat("aoeuidhtns", 200)),
path: "/ipfs/QmNNhDGttafX3M1wKWixGre6PrLFGjnoPEDXjBYpTv93HP",
opts: []options.UnixfsAddOption{options.Unixfs.Chunker("size-4"), options.Unixfs.Layout(options.TrickleLayout)},
},
// Local
{
name: "addLocal", // better cases in sharness
data: strFile(helloStr),
path: hello,
apiOpts: []options.ApiOption{options.Api.Offline(true)},
},
{
name: "hashOnly", // test (non)fetchability
data: strFile(helloStr),
path: hello,
opts: []options.UnixfsAddOption{options.Unixfs.HashOnly(true)},
},
// multi file
{
name: "simpleDirNoWrap",
data: flatDir,
path: "/ipfs/QmRKGpFfR32FVXdvJiHfo4WJ5TDYBsM1P9raAp1p6APWSp",
},
{
name: "simpleDir",
data: flatDir,
wrap: "t",
expect: wrapped("t"),
path: "/ipfs/Qmc3nGXm1HtUVCmnXLQHvWcNwfdZGpfg2SRm1CxLf7Q2Rm",
},
{
name: "twoLevelDir",
data: twoLevelDir(),
wrap: "t",
expect: wrapped("t"),
path: "/ipfs/QmPwsL3T5sWhDmmAWZHAzyjKtMVDS9a11aHNRqb3xoVnmg",
},
// wrapped
{
name: "addWrapped",
path: "/ipfs/QmVE9rNpj5doj7XHzp5zMUxD7BJgXEqx4pe3xZ3JBReWHE",
data: func() files.Node {
return files.NewBytesFile([]byte(helloStr))
},
wrap: "foo",
expect: wrapped("foo"),
},
// hidden
{
name: "hiddenFilesAdded",
data: func() files.Node {
return files.NewMapDirectory(map[string]files.Node{
".bar": files.NewBytesFile([]byte("hello2")),
"bar": files.NewBytesFile([]byte("hello2")),
"foo": files.NewBytesFile([]byte("hello1")),
})
},
wrap: "t",
expect: wrapped("t"),
path: "/ipfs/QmPXLSBX382vJDLrGakcbrZDkU3grfkjMox7EgSC9KFbtQ",
},
// NoCopy
{
name: "simpleNoCopy",
data: realFile,
path: "/ipfs/bafkreidi4zlleupgp2bvrpxyja5lbvi4mym7hz5bvhyoowby2qp7g2hxfa",
opts: []options.UnixfsAddOption{options.Unixfs.Nocopy(true)},
},
{
name: "noCopyNoRaw",
data: realFile,
path: "/ipfs/bafkreidi4zlleupgp2bvrpxyja5lbvi4mym7hz5bvhyoowby2qp7g2hxfa",
opts: []options.UnixfsAddOption{options.Unixfs.Nocopy(true), options.Unixfs.RawLeaves(false)},
err: "nocopy option requires '--raw-leaves' to be enabled as well",
},
{
name: "noCopyNoPath",
data: strFile(helloStr),
path: "/ipfs/bafkreidi4zlleupgp2bvrpxyja5lbvi4mym7hz5bvhyoowby2qp7g2hxfa",
opts: []options.UnixfsAddOption{options.Unixfs.Nocopy(true)},
err: helpers.ErrMissingFsRef.Error(),
},
// Events / Progress
{
name: "simpleAddEvent",
data: strFile(helloStr),
path: "/ipfs/bafkreidi4zlleupgp2bvrpxyja5lbvi4mym7hz5bvhyoowby2qp7g2hxfa",
events: []coreiface.AddEvent{
{Name: "bafkreidi4zlleupgp2bvrpxyja5lbvi4mym7hz5bvhyoowby2qp7g2hxfa", Path: p("bafkreidi4zlleupgp2bvrpxyja5lbvi4mym7hz5bvhyoowby2qp7g2hxfa"), Size: strconv.Itoa(len(helloStr))},
},
opts: []options.UnixfsAddOption{options.Unixfs.RawLeaves(true)},
},
{
name: "silentAddEvent",
data: twoLevelDir(),
path: "/ipfs/QmVG2ZYCkV1S4TK8URA3a4RupBF17A8yAr4FqsRDXVJASr",
events: []coreiface.AddEvent{
{Name: "abc", Path: p("QmU7nuGs2djqK99UNsNgEPGh6GV4662p6WtsgccBNGTDxt"), Size: "62"},
{Name: "", Path: p("QmVG2ZYCkV1S4TK8URA3a4RupBF17A8yAr4FqsRDXVJASr"), Size: "229"},
},
opts: []options.UnixfsAddOption{options.Unixfs.Silent(true)},
},
{
name: "dirAddEvents",
data: twoLevelDir(),
path: "/ipfs/QmVG2ZYCkV1S4TK8URA3a4RupBF17A8yAr4FqsRDXVJASr",
events: []coreiface.AddEvent{
{Name: "abc/def", Path: p("QmNyJpQkU1cEkBwMDhDNFstr42q55mqG5GE5Mgwug4xyGk"), Size: "13"},
{Name: "bar", Path: p("QmS21GuXiRMvJKHos4ZkEmQDmRBqRaF5tQS2CQCu2ne9sY"), Size: "14"},
{Name: "foo", Path: p("QmfAjGiVpTN56TXi6SBQtstit5BEw3sijKj1Qkxn6EXKzJ"), Size: "14"},
{Name: "abc", Path: p("QmU7nuGs2djqK99UNsNgEPGh6GV4662p6WtsgccBNGTDxt"), Size: "62"},
{Name: "", Path: p("QmVG2ZYCkV1S4TK8URA3a4RupBF17A8yAr4FqsRDXVJASr"), Size: "229"},
},
},
{
name: "progress1M",
data: func() files.Node {
return files.NewReaderFile(bytes.NewReader(bytes.Repeat([]byte{0}, 1000000)))
},
path: "/ipfs/QmXXNNbwe4zzpdMg62ZXvnX1oU7MwSrQ3vAEtuwFKCm1oD",
events: []coreiface.AddEvent{
{Name: "", Bytes: 262144},
{Name: "", Bytes: 524288},
{Name: "", Bytes: 786432},
{Name: "", Bytes: 1000000},
{Name: "QmXXNNbwe4zzpdMg62ZXvnX1oU7MwSrQ3vAEtuwFKCm1oD", Path: p("QmXXNNbwe4zzpdMg62ZXvnX1oU7MwSrQ3vAEtuwFKCm1oD"), Size: "1000256"},
},
wrap: "",
opts: []options.UnixfsAddOption{options.Unixfs.Progress(true)},
},
}
for _, testCase := range cases {
t.Run(testCase.name, func(t *testing.T) {
ctx, cancel := context.WithCancel(ctx)
defer cancel()
// recursive logic
data := testCase.data()
if testCase.wrap != "" {
data = files.NewMapDirectory(map[string]files.Node{
testCase.wrap: data,
})
}
// handle events if relevant to test case
opts := testCase.opts
eventOut := make(chan interface{})
var evtWg sync.WaitGroup
if len(testCase.events) > 0 {
opts = append(opts, options.Unixfs.Events(eventOut))
evtWg.Add(1)
go func() {
defer evtWg.Done()
expected := testCase.events
for evt := range eventOut {
event, ok := evt.(*coreiface.AddEvent)
if !ok {
t.Error("unexpected event type")
continue
}
if len(expected) < 1 {
t.Error("got more events than expected")
continue
}
if expected[0].Size != event.Size {
t.Errorf("Event.Size didn't match, %s != %s", expected[0].Size, event.Size)
}
if expected[0].Name != event.Name {
t.Errorf("Event.Name didn't match, %s != %s", expected[0].Name, event.Name)
}
if (expected[0].Path != path.ImmutablePath{} && event.Path != path.ImmutablePath{}) {
if expected[0].Path.RootCid().String() != event.Path.RootCid().String() {
t.Errorf("Event.Hash didn't match, %s != %s", expected[0].Path, event.Path)
}
} else if event.Path != expected[0].Path {
t.Errorf("Event.Hash didn't match, %s != %s", expected[0].Path, event.Path)
}
if expected[0].Bytes != event.Bytes {
t.Errorf("Event.Bytes didn't match, %d != %d", expected[0].Bytes, event.Bytes)
}
expected = expected[1:]
}
if len(expected) > 0 {
t.Errorf("%d event(s) didn't arrive", len(expected))
}
}()
}
tapi, err := api.WithOptions(testCase.apiOpts...)
if err != nil {
t.Fatal(err)
}
// Add!
p, err := tapi.Unixfs().Add(ctx, data, opts...)
close(eventOut)
evtWg.Wait()
if testCase.err != "" {
if err == nil {
t.Fatalf("expected an error: %s", testCase.err)
}
if err.Error() != testCase.err {
t.Fatalf("expected an error: '%s' != '%s'", err.Error(), testCase.err)
}
return
}
if err != nil {
t.Fatal(err)
}
if p.String() != testCase.path {
t.Errorf("expected path %s, got: %s", testCase.path, p)
}
// compare file structure with Unixfs().Get
var cmpFile func(origName string, orig files.Node, gotName string, got files.Node)
cmpFile = func(origName string, orig files.Node, gotName string, got files.Node) {
_, origDir := orig.(files.Directory)
_, gotDir := got.(files.Directory)
if origName != gotName {
t.Errorf("file name mismatch, orig='%s', got='%s'", origName, gotName)
}
if origDir != gotDir {
t.Fatalf("file type mismatch on %s", origName)
}
if !gotDir {
defer orig.Close()
defer got.Close()
do, err := io.ReadAll(orig.(files.File))
if err != nil {
t.Fatal(err)
}
dg, err := io.ReadAll(got.(files.File))
if err != nil {
t.Fatal(err)
}
if !bytes.Equal(do, dg) {
t.Fatal("data not equal")
}
return
}
origIt := orig.(files.Directory).Entries()
gotIt := got.(files.Directory).Entries()
for {
if origIt.Next() {
if !gotIt.Next() {
t.Fatal("gotIt out of entries before origIt")
}
} else {
if gotIt.Next() {
t.Fatal("origIt out of entries before gotIt")
}
break
}
cmpFile(origIt.Name(), origIt.Node(), gotIt.Name(), gotIt.Node())
}
if origIt.Err() != nil {
t.Fatal(origIt.Err())
}
if gotIt.Err() != nil {
t.Fatal(gotIt.Err())
}
}
f, err := tapi.Unixfs().Get(ctx, p)
if err != nil {
t.Fatal(err)
}
orig := testCase.data()
if testCase.expect != nil {
orig = testCase.expect(orig)
}
cmpFile("", orig, "", f)
})
}
}
func (tp *TestSuite) TestAddPinned(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
api, err := tp.makeAPI(t, ctx)
if err != nil {
t.Fatal(err)
}
_, err = api.Unixfs().Add(ctx, strFile(helloStr)(), options.Unixfs.Pin(true))
if err != nil {
t.Fatal(err)
}
pins, err := accPins(ctx, api)
if err != nil {
t.Fatal(err)
}
if len(pins) != 1 {
t.Fatalf("expected 1 pin, got %d", len(pins))
}
if pins[0].Path().String() != "/ipfs/QmQy2Dw4Wk7rdJKjThjYXzfFJNaRKRHhHP5gHHXroJMYxk" {
t.Fatalf("got unexpected pin: %s", pins[0].Path().String())
}
}
func (tp *TestSuite) TestAddHashOnly(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
api, err := tp.makeAPI(t, ctx)
if err != nil {
t.Fatal(err)
}
p, err := api.Unixfs().Add(ctx, strFile(helloStr)(), options.Unixfs.HashOnly(true))
if err != nil {
t.Fatal(err)
}
if p.String() != hello {
t.Errorf("unexpected path: %s", p.String())
}
_, err = api.Block().Get(ctx, p)
if err == nil {
t.Fatal("expected an error")
}
if !ipld.IsNotFound(err) {
t.Errorf("unexpected error: %s", err.Error())
}
}
func (tp *TestSuite) TestGetEmptyFile(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
api, err := tp.makeAPI(t, ctx)
if err != nil {
t.Fatal(err)
}
_, err = api.Unixfs().Add(ctx, files.NewBytesFile([]byte{}))
if err != nil {
t.Fatal(err)
}
emptyFilePath, err := path.NewPath(emptyFile)
if err != nil {
t.Fatal(err)
}
r, err := api.Unixfs().Get(ctx, emptyFilePath)
if err != nil {
t.Fatal(err)
}
buf := make([]byte, 1) // non-zero so that Read() actually tries to read
n, err := io.ReadFull(r.(files.File), buf)
if err != nil && err != io.EOF {
t.Error(err)
}
if !bytes.HasPrefix(buf, []byte{0x00}) {
t.Fatalf("expected empty data, got [%s] [read=%d]", buf, n)
}
}
func (tp *TestSuite) TestGetDir(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
api, err := tp.makeAPI(t, ctx)
if err != nil {
t.Fatal(err)
}
edir := unixfs.EmptyDirNode()
err = api.Dag().Add(ctx, edir)
if err != nil {
t.Fatal(err)
}
p := path.FromCid(edir.Cid())
if p.String() != path.FromCid(edir.Cid()).String() {
t.Fatalf("expected path %s, got: %s", edir.Cid(), p.String())
}
r, err := api.Unixfs().Get(ctx, path.FromCid(edir.Cid()))
if err != nil {
t.Fatal(err)
}
if _, ok := r.(files.Directory); !ok {
t.Fatalf("expected a directory")
}
}
func (tp *TestSuite) TestGetNonUnixfs(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
api, err := tp.makeAPI(t, ctx)
if err != nil {
t.Fatal(err)
}
nd := new(mdag.ProtoNode)
err = api.Dag().Add(ctx, nd)
if err != nil {
t.Fatal(err)
}
_, err = api.Unixfs().Get(ctx, path.FromCid(nd.Cid()))
if !strings.Contains(err.Error(), "proto: required field") {
t.Fatalf("expected protobuf error, got: %s", err)
}
}
func (tp *TestSuite) TestLs(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
api, err := tp.makeAPI(t, ctx)
if err != nil {
t.Fatal(err)
}
r := strings.NewReader("content-of-file")
p, err := api.Unixfs().Add(ctx, files.NewMapDirectory(map[string]files.Node{
"name-of-file": files.NewReaderFile(r),
"name-of-symlink": files.NewLinkFile("/foo/bar", nil),
}))
if err != nil {
t.Fatal(err)
}
errCh := make(chan error, 1)
entries := make(chan coreiface.DirEntry)
go func() {
errCh <- api.Unixfs().Ls(ctx, p, entries)
}()
entry, ok := <-entries
if !ok {
t.Fatal("expected another entry")
}
if entry.Size != 15 {
t.Errorf("expected size = 15, got %d", entry.Size)
}
if entry.Name != "name-of-file" {
t.Errorf("expected name = name-of-file, got %s", entry.Name)
}
if entry.Type != coreiface.TFile {
t.Errorf("wrong type %s", entry.Type)
}
if entry.Cid.String() != "QmX3qQVKxDGz3URVC3861Z3CKtQKGBn6ffXRBBWGMFz9Lr" {
t.Errorf("expected cid = QmX3qQVKxDGz3URVC3861Z3CKtQKGBn6ffXRBBWGMFz9Lr, got %s", entry.Cid)
}
entry, ok = <-entries
if !ok {
t.Fatal("expected another entry")
}
if entry.Type != coreiface.TSymlink {
t.Errorf("wrong type %s", entry.Type)
}
if entry.Name != "name-of-symlink" {
t.Errorf("expected name = name-of-symlink, got %s", entry.Name)
}
if entry.Target != "/foo/bar" {
t.Errorf("expected symlink target to be /foo/bar, got %s", entry.Target)
}
_, ok = <-entries
if ok {
t.Errorf("didn't expect a another link")
}
if err = <-errCh; err != nil {
t.Error(err)
}
}
func (tp *TestSuite) TestEntriesExpired(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
api, err := tp.makeAPI(t, ctx)
if err != nil {
t.Fatal(err)
}
r := strings.NewReader("content-of-file")
p, err := api.Unixfs().Add(ctx, files.NewMapDirectory(map[string]files.Node{
"name-of-file": files.NewReaderFile(r),
}))
if err != nil {
t.Fatal(err)
}
ctx, cancel = context.WithCancel(ctx)
nd, err := api.Unixfs().Get(ctx, p)
if err != nil {
t.Fatal(err)
}
cancel()
it := files.ToDir(nd).Entries()
if it == nil {
t.Fatal("it was nil")
}
if it.Next() {
t.Fatal("Next succeeded")
}
if it.Err() != context.Canceled {
t.Fatalf("unexpected error %s", it.Err())
}
if it.Next() {
t.Fatal("Next succeeded")
}
}
func (tp *TestSuite) TestLsEmptyDir(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
api, err := tp.makeAPI(t, ctx)
if err != nil {
t.Fatal(err)
}
p, err := api.Unixfs().Add(ctx, files.NewSliceDirectory([]files.DirEntry{}))
if err != nil {
t.Fatal(err)
}
errCh := make(chan error, 1)
links := make(chan coreiface.DirEntry)
go func() {
errCh <- api.Unixfs().Ls(ctx, p, links)
}()
var count int
for range links {
count++
}
if err = <-errCh; err != nil {
t.Fatal(err)
}
if count != 0 {
t.Fatalf("expected 0 links, got %d", count)
}
}
// TODO(lgierth) this should test properly, with len(links) > 0
func (tp *TestSuite) TestLsNonUnixfs(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
api, err := tp.makeAPI(t, ctx)
if err != nil {
t.Fatal(err)
}
nd, err := cbor.WrapObject(map[string]interface{}{"foo": "bar"}, math.MaxUint64, -1)
if err != nil {
t.Fatal(err)
}
err = api.Dag().Add(ctx, nd)
if err != nil {
t.Fatal(err)
}
errCh := make(chan error, 1)
links := make(chan coreiface.DirEntry)
go func() {
errCh <- api.Unixfs().Ls(ctx, path.FromCid(nd.Cid()), links)
}()
var count int
for range links {
count++
}
if err = <-errCh; err != nil {
t.Fatal(err)
}
if count != 0 {
t.Fatalf("expected 0 links, got %d", count)
}
}
type closeTestF struct {
files.File
closed bool
t *testing.T
}
type closeTestD struct {
files.Directory
closed bool
t *testing.T
}
func (f *closeTestD) Close() error {
f.t.Helper()
if f.closed {
f.t.Fatal("already closed")
}
f.closed = true
return nil
}
func (f *closeTestF) Close() error {
if f.closed {
f.t.Fatal("already closed")
}
f.closed = true
return nil
}
func (tp *TestSuite) TestAddCloses(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
api, err := tp.makeAPI(t, ctx)
if err != nil {
t.Fatal(err)
}
n4 := &closeTestF{files.NewBytesFile([]byte("foo")), false, t}
d3 := &closeTestD{files.NewMapDirectory(map[string]files.Node{
"sub": n4,
}), false, t}
n2 := &closeTestF{files.NewBytesFile([]byte("bar")), false, t}
n1 := &closeTestF{files.NewBytesFile([]byte("baz")), false, t}
d0 := &closeTestD{files.NewMapDirectory(map[string]files.Node{
"a": d3,
"b": n1,
"c": n2,
}), false, t}
_, err = api.Unixfs().Add(ctx, d0)
if err != nil {
t.Fatal(err)
}
for i, n := range []*closeTestF{n1, n2, n4} {
if !n.closed {
t.Errorf("file %d not closed!", i)
}
}
for i, n := range []*closeTestD{d0, d3} {
if !n.closed {
t.Errorf("dir %d not closed!", i)
}
}
}
func (tp *TestSuite) TestGetSeek(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
api, err := tp.makeAPI(t, ctx)
if err != nil {
t.Fatal(err)
}
dataSize := int64(100000)
tf := files.NewReaderFile(io.LimitReader(rand.New(rand.NewSource(1403768328)), dataSize))
p, err := api.Unixfs().Add(ctx, tf, options.Unixfs.Chunker("size-100"))
if err != nil {
t.Fatal(err)
}
r, err := api.Unixfs().Get(ctx, p)
if err != nil {
t.Fatal(err)
}
f := files.ToFile(r)
if f == nil {
t.Fatal("not a file")
}
orig := make([]byte, dataSize)
if _, err := io.ReadFull(f, orig); err != nil {
t.Fatal(err)
}
f.Close()
origR := bytes.NewReader(orig)
r, err = api.Unixfs().Get(ctx, p)
if err != nil {
t.Fatal(err)
}
f = files.ToFile(r)
if f == nil {
t.Fatal("not a file")
}
test := func(offset int64, whence int, read int, expect int64, shouldEof bool) {
t.Run(fmt.Sprintf("seek%d+%d-r%d-%d", whence, offset, read, expect), func(t *testing.T) {
n, err := f.Seek(offset, whence)
if err != nil {
t.Fatal(err)
}
origN, err := origR.Seek(offset, whence)
if err != nil {
t.Fatal(err)
}
if n != origN {
t.Fatalf("offsets didn't match, expected %d, got %d", origN, n)
}
buf := make([]byte, read)
origBuf := make([]byte, read)
origRead, err := origR.Read(origBuf)
if err != nil {
t.Fatalf("orig: %s", err)
}
r, err := io.ReadFull(f, buf)
switch {
case shouldEof && err != nil && err != io.ErrUnexpectedEOF:
fallthrough
case !shouldEof && err != nil:
t.Fatalf("f: %s", err)
case shouldEof:
_, err := f.Read([]byte{0})
if err != io.EOF {
t.Fatal("expected EOF")
}
_, err = origR.Read([]byte{0})
if err != io.EOF {
t.Fatal("expected EOF (orig)")
}
}
if int64(r) != expect {
t.Fatal("read wrong amount of data")
}
if r != origRead {
t.Fatal("read different amount of data than bytes.Reader")
}
if !bytes.Equal(buf, origBuf) {
fmt.Fprintf(os.Stderr, "original:\n%s\n", hex.Dump(origBuf))
fmt.Fprintf(os.Stderr, "got:\n%s\n", hex.Dump(buf))
t.Fatal("data didn't match")
}
})
}
test(3, io.SeekCurrent, 10, 10, false)
test(3, io.SeekCurrent, 10, 10, false)
test(500, io.SeekCurrent, 10, 10, false)
test(350, io.SeekStart, 100, 100, false)
test(-123, io.SeekCurrent, 100, 100, false)
test(0, io.SeekStart, int(dataSize), dataSize, false)
test(dataSize-50, io.SeekStart, 100, 50, true)
test(-5, io.SeekEnd, 100, 5, true)
}
func (tp *TestSuite) TestGetReadAt(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
api, err := tp.makeAPI(t, ctx)
if err != nil {
t.Fatal(err)
}
dataSize := int64(100000)
tf := files.NewReaderFile(io.LimitReader(rand.New(rand.NewSource(1403768328)), dataSize))
p, err := api.Unixfs().Add(ctx, tf, options.Unixfs.Chunker("size-100"))
if err != nil {
t.Fatal(err)
}
r, err := api.Unixfs().Get(ctx, p)
if err != nil {
t.Fatal(err)
}
f, ok := r.(interface {
files.File
io.ReaderAt
})
if !ok {
t.Skip("ReaderAt not implemented")
}
orig := make([]byte, dataSize)
if _, err := io.ReadFull(f, orig); err != nil {
t.Fatal(err)
}
f.Close()
origR := bytes.NewReader(orig)
if _, err := api.Unixfs().Get(ctx, p); err != nil {
t.Fatal(err)
}
test := func(offset int64, read int, expect int64, shouldEof bool) {
t.Run(fmt.Sprintf("readat%d-r%d-%d", offset, read, expect), func(t *testing.T) {
origBuf := make([]byte, read)
origRead, err := origR.ReadAt(origBuf, offset)
if err != nil && err != io.EOF {
t.Fatalf("orig: %s", err)
}
buf := make([]byte, read)
r, err := f.ReadAt(buf, offset)
if shouldEof {
if err != io.EOF {
t.Fatal("expected EOF, got: ", err)
}
} else if err != nil {
t.Fatal("got: ", err)
}
if int64(r) != expect {
t.Fatal("read wrong amount of data")
}
if r != origRead {
t.Fatal("read different amount of data than bytes.Reader")
}
if !bytes.Equal(buf, origBuf) {
fmt.Fprintf(os.Stderr, "original:\n%s\n", hex.Dump(origBuf))
fmt.Fprintf(os.Stderr, "got:\n%s\n", hex.Dump(buf))
t.Fatal("data didn't match")
}
})
}
test(3, 10, 10, false)
test(13, 10, 10, false)
test(513, 10, 10, false)
test(350, 100, 100, false)
test(0, int(dataSize), dataSize, false)
test(dataSize-50, 100, 50, true)
}