// Regression test for copying larger file to the mount.
func TestTouchWrite(t *testing.T) {
withMount(t, func(mount *Mount) {
for _, size := range DataSizes {
name := fmt.Sprintf("/empty_%d", size)
if err := mount.Store.Touch(name); err != nil {
t.Errorf("Could not touch an empty file: %v", err)
return
}
path := filepath.Join(mount.Dir, name)
// Write a simple file via the fuse layer:
helloData := testutil.CreateDummyBuf(size)
err := ioutil.WriteFile(path, helloData, 0644)
if err != nil {
t.Errorf("Could not write simple file via fuse layer: %v", err)
return
}
if !checkForCorrectFile(t, path, helloData) {
break
}
}
})
}
// Test if encrypting the same plaintext twice yields
// the same ciphertext. This is a crucial property for brig, although it
// has some security implications (i.e. no real random etc.)
func TestEncryptedTheSame(t *testing.T) {
sourceData := testutil.CreateDummyBuf(3 * defaultMaxBlockSize)
encOne := &bytes.Buffer{}
encTwo := &bytes.Buffer{}
n1, err := Encrypt(TestKey, bytes.NewReader(sourceData), encOne)
if err != nil {
t.Errorf("TestEncryptedTheSame: Encrypting first failed: %v", err)
return
}
n2, err := Encrypt(TestKey, bytes.NewReader(sourceData), encTwo)
if err != nil {
t.Errorf("TestEncryptedTheSame: Encrypting second failed: %v", err)
return
}
if n1 != n2 {
t.Errorf("TestEncryptedTheSame: Ciphertexts differ in length.")
return
}
if !bytes.Equal(encOne.Bytes(), encTwo.Bytes()) {
t.Errorf("TestEncryptedTheSame: Ciphertext differ, you failed.")
t.Errorf("\tOne: %v", encOne.Bytes())
t.Errorf("\tTwo: %v", encTwo.Bytes())
return
}
}
func TestAddCat(t *testing.T) {
sizes := []int64{
0, 1, 2, 4, 1024, 4096, 16 * 1024,
}
for _, size := range sizes {
data := testutil.CreateDummyBuf(size)
path := fmt.Sprintf("dummy_%d", size)
withEmptyStore(t, func(st *store.Store) {
if err := st.StageFromReader(path, bytes.NewReader(data), compress.AlgoNone); err != nil {
t.Errorf("Adding of `%s` failed: %v", path, err)
return
}
recvBuf := &bytes.Buffer{}
if err := st.Cat(path, recvBuf); err != nil {
t.Errorf("Catting of `%s` failed: %v", path, err)
return
}
if !bytes.Equal(recvBuf.Bytes(), data) {
t.Errorf("Data differs between add and cat")
return
}
})
}
}
func TestMove(t *testing.T) {
data := testutil.CreateDummyBuf(1024)
withEmptyStore(t, func(st *store.Store) {
if err := createDummySetup(t, st, data); err != nil {
return
}
check := func(path string, expect []byte) {
recvBuf := &bytes.Buffer{}
if err := st.Cat(path, recvBuf); err != nil {
t.Errorf("Catting of `%s` failed: %v", path, err)
return
}
if !bytes.Equal(recvBuf.Bytes(), expect) {
t.Errorf("Data differs between add/move/cat")
return
}
}
check("/dummy", data)
if err := st.Move("/dummy", "/new_dummy", true); err != nil {
t.Errorf("Move failed: %v", err)
return
}
if err := st.Cat("/dummy", &bytes.Buffer{}); !store.IsNoSuchFileError(err) {
t.Errorf("Move: dummy still reachable")
return
}
check("/new_dummy", data)
if err := st.Move("/dummy", "/new_dummy", true); !store.IsNoSuchFileError(err) {
t.Errorf("Move could move dead file: %v", err)
return
}
if err := st.Move("/dir", "/other", true); err != nil {
t.Errorf("Move could not move dir: %v", err)
return
}
check("/other/a", []byte{})
check("/other/b", []byte{})
if err := st.Cat("/dir/a", &bytes.Buffer{}); !store.IsNoSuchFileError(err) {
t.Errorf("Move: /dir/a still reachable")
return
}
if err := st.Cat("/dir/b", &bytes.Buffer{}); !store.IsNoSuchFileError(err) {
t.Errorf("Move: /dir/b still reachable")
return
}
})
}
func testCompressDecompress(t *testing.T, size int64, algo AlgorithmType, useReadFrom, useWriteTo bool) {
// Fake data file is written to disk,
// as compression reader has to be a ReadSeeker.
testutil.Remover(t, ZipFilePath)
data := testutil.CreateDummyBuf(size)
zipFileDest := openDest(t, ZipFilePath)
defer testutil.Remover(t, ZipFilePath)
// Compress.
w, err := NewWriter(zipFileDest, algo)
if err != nil {
t.Errorf("Writer init failed %v", err)
return
}
if _, err := testutil.DumbCopy(w, bytes.NewReader(data), useReadFrom, useWriteTo); err != nil {
t.Errorf("Compress failed %v", err)
return
}
if err := w.Close(); err != nil {
t.Errorf("Compression writer close failed: %v", err)
return
}
if err := zipFileDest.Close(); err != nil {
t.Errorf("close(zipFileDest) failed: %v", err)
return
}
// Read compressed file into buffer.
dataUncomp := bytes.NewBuffer(nil)
dataFromZip := openSrc(t, ZipFilePath)
// Uncompress.
r := NewReader(dataFromZip)
if _, err := testutil.DumbCopy(dataUncomp, r, useReadFrom, useWriteTo); err != nil {
t.Errorf("Decompression failed: %v", err)
return
}
if err := dataFromZip.Close(); err != nil {
t.Errorf("Zip close failed: %v", err)
return
}
// Compare.
got, want := dataUncomp.Bytes(), data
if !bytes.Equal(got, want) {
t.Error("Uncompressed data and input data does not match.")
t.Errorf("\tGOT: %v", util.OmitBytes(got, 10))
t.Errorf("\tWANT: %v", util.OmitBytes(want, 10))
return
}
}
func testAuthProcess(t *testing.T, size int64) {
withLoopbackConnection(t, func(a, b net.Conn) {
aliPriv, aliPub, err := genKeyPair(t)
if err != nil {
return
}
bobPriv, bobPub, err := genKeyPair(t)
if err != nil {
return
}
autherA := NewAuthReadWriter(a, aliPriv, bobPub)
autherB := NewAuthReadWriter(b, bobPriv, aliPub)
expect := testutil.CreateDummyBuf(size)
answer := make([]byte, len(expect))
// Sort out connection based troubles quickly:
// Just send a normal message over the conn.
if _, err := a.Write(expect); err != nil {
t.Errorf("Normal write failed: %v", err)
return
}
if _, err := b.Read(answer); err != nil && (err != io.EOF && size == 0) {
t.Errorf("Normal read failed: %v", err)
return
}
if !bytes.Equal(expect, answer) {
t.Errorf("Normal transmission failed; want `%s`, got `%s`", expect, answer)
return
}
answer = make([]byte, len(expect))
go func() {
if _, err := autherA.Write(expect); err != nil {
t.Errorf("Auth Write failed: %v", err)
return
}
}()
if _, err := autherB.Read(answer); err != nil {
t.Errorf("Auth Read failed: %v", err)
return
}
if !bytes.Equal(expect, answer) {
t.Errorf("auth transmission failed; want `%s`, got `%s`", expect, answer)
return
}
})
}
func TestBigFile(t *testing.T) {
src := testutil.CreateDummyBuf(147611)
dst := &bytes.Buffer{}
srcEnc := &bytes.Buffer{}
wEnc, err := encrypt.NewWriter(srcEnc, TestKey)
if err != nil {
t.Errorf("Cannot create write-encryption layer: %v", err)
return
}
if err := wEnc.Close(); err != nil {
t.Errorf("Cannot close write-encryption layer: %v", err)
return
}
wDec, err := encrypt.NewReader(bytes.NewReader(srcEnc.Bytes()), TestKey)
if err != nil {
t.Errorf("Cannot create read-encryption layer: %v", err)
return
}
// Act a bit like the fuse layer:
lay := NewLayer(wDec)
lay.Truncate(0)
bufSize := 128 * 1024
if _, err := io.CopyBuffer(lay, bytes.NewReader(src), make([]byte, bufSize)); err != nil {
t.Errorf("Could not encrypt data")
return
}
lay.Truncate(int64(len(src)))
if _, err := lay.Seek(0, os.SEEK_SET); err != nil {
t.Errorf("Seeking to 0 in big file failed: %v", err)
return
}
n, err := io.CopyBuffer(dst, lay, make([]byte, bufSize))
if err != nil {
t.Errorf("Could not copy big file data over overlay: %v", err)
return
}
if n != int64(len(src)) {
t.Errorf("Did not fully copy big file: got %d, should be %d bytes", n, len(src))
return
}
if !bytes.Equal(dst.Bytes(), src) {
t.Errorf("Source and destination buffers differ.")
return
}
}
func TestRemove(t *testing.T) {
data := testutil.CreateDummyBuf(1024)
withEmptyStore(t, func(st *store.Store) {
if err := createDummySetup(t, st, data); err != nil {
return
}
if _, err := st.Mkdir("/empty_dir"); err != nil {
t.Errorf("Could not mkdir /empty_dir: %v", err)
return
}
if err := st.Remove("/dummy", false); err != nil {
t.Errorf("Could not remove /dummy: %v", err)
return
}
if err := st.Remove("/dummy", false); !store.IsNoSuchFileError(err) {
t.Errorf("Could remove /dummy twice: %v", err)
return
}
if err := st.Remove("/dir", false); err != store.ErrNotEmpty {
t.Errorf("Remove did not deny removing non-empty dir: %v", err)
return
}
if err := st.Remove("/dir", true); err != nil {
t.Errorf("Could not remove /dir recursively: %v", err)
return
}
if err := st.Remove("/empty_dir", false); err != nil {
t.Errorf("Could not remove /empty_dir non-recursively: %v", err)
return
}
if err := st.ViewDir("/", func(root *store.Directory) error {
if root.Size() != 0 {
return fmt.Errorf("Size of the tree is not 0 after deletion (%d)", root.Size())
}
return nil
}); err != nil {
t.Errorf("Failed to get root: %v", err)
return
}
})
}
func TestWriteAndRead(t *testing.T) {
s64k := int64(64 * 1024)
sizes := []int64{
0, 1, 10, s64k, s64k - 1, s64k + 1,
s64k * 2, s64k * 1024,
}
for _, size := range sizes {
t.Logf("Testing stream at size %d", size)
regularData := testutil.CreateDummyBuf(size)
randomData := testutil.CreateRandomDummyBuf(size, 42)
for algoType, _ := range compress.AlgoMap {
testWriteAndRead(t, regularData, algoType)
testWriteAndRead(t, randomData, algoType)
}
}
}
func TestWrite(t *testing.T) {
withMount(t, func(mount *Mount) {
for _, size := range DataSizes {
helloData := testutil.CreateDummyBuf(size)
path := filepath.Join(mount.Dir, fmt.Sprintf("hello_%d", size))
// Write a simple file via the fuse layer:
err := ioutil.WriteFile(path, helloData, 0644)
if err != nil {
t.Errorf("Could not write simple file via fuse layer: %v", err)
return
}
if !checkForCorrectFile(t, path, helloData) {
break
}
}
})
}
func TestRead(t *testing.T) {
withMount(t, func(mount *Mount) {
for _, size := range DataSizes {
helloData := testutil.CreateDummyBuf(size)
// Add a simple file:
name := fmt.Sprintf("hello_%d", size)
reader := bytes.NewReader(helloData)
if err := mount.Store.StageFromReader("/"+name, reader, compress.AlgoNone); err != nil {
t.Errorf("Adding simple file from reader failed: %v", err)
return
}
path := filepath.Join(mount.Dir, name)
if !checkForCorrectFile(t, path, helloData) {
break
}
}
})
}
func testProtocol(t *testing.T, compress bool) {
b := &bytes.Buffer{}
alice := NewProtocol(b, compress)
bob := NewProtocol(b, compress)
// Test with varying potential for compression:
for i := 0; i < 5; i++ {
msg := &wire.Response{
ReqType: wire.RequestType_DUMMY.Enum(),
Data: testutil.CreateDummyBuf(int64(i) * 255),
}
if err := alice.Send(msg); err != nil {
t.Errorf("Send failed: %v", err)
return
}
remoteMsg := &wire.Response{
ReqType: wire.RequestType_DUMMY.Enum(),
ID: proto.Int64(0),
}
if err := bob.Recv(remoteMsg); err != nil {
t.Errorf("Recv failed: %v", err)
return
}
if !bytes.Equal(msg.GetData(), remoteMsg.GetData()) {
t.Errorf("Data differs.")
t.Errorf("\tWANT: %v", msg.GetData())
t.Errorf("\tGOT: %v", remoteMsg.GetData())
return
}
if msg.GetReqType() != remoteMsg.GetReqType() {
t.Errorf("Types differ.")
return
}
}
}
func TestStoreSync(t *testing.T) {
data := testutil.CreateDummyBuf(1024)
path := "/i/have/a/file.png"
withIpfsStore(t, "alice", func(alice *Store) {
withIpfsStore(t, "bob", func(bob *Store) {
if err := alice.StageFromReader(path, bytes.NewReader(data), compress.AlgoNone); err != nil {
t.Errorf("Failed to stage alice' file: %v", err)
return
}
if err := bob.StageFromReader(path, bytes.NewReader(data), compress.AlgoNone); err != nil {
t.Errorf("Failed to stage bob's file: %v", err)
return
}
if err := bob.StageFromReader(path+".surprise", bytes.NewReader(data), compress.AlgoNone); err != nil {
t.Errorf("Failed to stage bob's file: %v", err)
return
}
if err := alice.SyncWith(bob); err != nil {
t.Errorf("Sync failed: %v", err)
return
}
fmt.Println("+=======")
if err := alice.SyncWith(bob); err != nil {
t.Errorf("Sync failed: %v", err)
return
}
})
printTree(alice.fs)
})
}
func testSeek(t *testing.T, N int64, readFrom, writeTo bool) {
sourceData := testutil.CreateDummyBuf(N)
source := bytes.NewBuffer(sourceData)
shared := &bytes.Buffer{}
t.Logf("Testing seek for size %d", N)
enc, err := NewWriter(shared, TestKey)
if err != nil {
t.Errorf("Creating an encrypted writer failed: %v", err)
return
}
// Encrypt:
if _, err = testutil.DumbCopy(enc, source, readFrom, writeTo); err != nil {
t.Errorf("copy(enc, source) failed %v", err)
return
}
// This needs to be here, since close writes
// left over data to the write stream
if err = enc.Close(); err != nil {
t.Errorf("close(enc): %v", err)
return
}
sharedReader := bytes.NewReader(shared.Bytes())
decLayer, err := NewReader(sharedReader, TestKey)
if err != nil {
t.Errorf("creating new reader failed: %v", err)
return
}
lastJump := int64(0)
for _, test := range SeekTests {
realOffset := int64(math.Floor(.5 + test.Offset*float64(N)))
whence := map[int]string{
0: "SEEK_SET",
1: "SEEK_CUR",
2: "SEEK_END",
}[test.Whence]
exptOffset := int64(0)
switch test.Whence {
case os.SEEK_SET:
exptOffset = realOffset
case os.SEEK_CUR:
exptOffset = lastJump + realOffset
case os.SEEK_END:
exptOffset = N + realOffset
default:
panic("Bad whence")
}
t.Logf(
" => Seek(%v, %v) -> %v (size: %v)",
realOffset,
whence,
exptOffset,
N,
)
jumpedTo, err := decLayer.Seek(realOffset, test.Whence)
if err != test.Error {
if err != io.EOF && N != 0 {
t.Errorf(
"Seek(%v, %v) produced an error: %v (should be %v)",
realOffset,
whence,
err,
test.Error,
)
}
return
}
if test.Error != nil {
continue
}
if jumpedTo != exptOffset {
t.Errorf(
"Seek(%v, %v) jumped badly. Should be %v, was %v",
realOffset,
whence,
exptOffset,
jumpedTo,
)
return
}
lastJump = jumpedTo
// Decrypt and check if the contents are okay:
dest := bytes.NewBuffer(nil)
copiedBytes, err := testutil.DumbCopy(dest, decLayer, readFrom, writeTo)
if err != nil {
t.Errorf("Decrypt failed: %v", err)
return
}
if copiedBytes != N-jumpedTo {
t.Errorf("Copied different amount of decrypted data than expected.")
t.Errorf("Should be %v, was %v bytes.", N-jumpedTo, copiedBytes)
}
// Check the data actually matches the source data.
if !bytes.Equal(sourceData[jumpedTo:], dest.Bytes()) {
t.Errorf("Seeked data does not match expectations.")
t.Errorf("\tEXPECTED: %v", util.OmitBytes(sourceData[jumpedTo:], 10))
t.Errorf("\tGOT: %v", util.OmitBytes(dest.Bytes(), 10))
return
}
// Jump back, so the other tests continue to work:
jumpedAgain, err := decLayer.Seek(jumpedTo, os.SEEK_SET)
if err != nil {
t.Errorf("Seeking not possible after reading: %v", err)
return
}
if jumpedTo != jumpedAgain {
t.Errorf("Jumping back to original pos failed.")
t.Errorf("Should be %v, was %v.", jumpedTo, jumpedAgain)
return
}
}
}
func testSeek(t *testing.T, size, offset int64, algo AlgorithmType, useReadFrom, useWriteTo bool) {
// Fake data file is written to disk,
// as compression reader has to be a ReadSeeker.
testutil.Remover(t, ZipFilePath)
data := testutil.CreateDummyBuf(size)
zipFileDest := openDest(t, ZipFilePath)
// Compress.
w, err := NewWriter(zipFileDest, algo)
if err != nil {
t.Errorf("Writer init failed %v", err)
return
}
if _, err := testutil.DumbCopy(w, bytes.NewReader(data), useReadFrom, useWriteTo); err != nil {
t.Errorf("Compress failed %v", err)
return
}
defer testutil.Remover(t, ZipFilePath)
if err := w.Close(); err != nil {
t.Errorf("Compression writer close failed: %v", err)
return
}
if err := zipFileDest.Close(); err != nil {
t.Errorf("close(zipFileDest) failed: %v", err)
return
}
// Read compressed file into buffer.
dataUncomp := bytes.NewBuffer(nil)
dataFromZip := openSrc(t, ZipFilePath)
zr := NewReader(dataFromZip)
// Set specific offset before read.
_, err = zr.Seek(offset, os.SEEK_SET)
if err == io.EOF && offset < size && offset > -1 {
t.Errorf("Seek failed even with EOF: %d <= %d", offset, size)
return
}
if err != io.EOF && err != nil {
t.Errorf("Seek failed: %v", err)
return
}
// Read starting at a specific offset.
if _, err := testutil.DumbCopy(dataUncomp, zr, useReadFrom, useWriteTo); err != nil {
t.Errorf("Decompression failed: %v", err)
return
}
if err := dataFromZip.Close(); err != nil {
t.Errorf("Zip close failed: %v", err)
return
}
// Compare.
maxOffset := offset
if offset > size {
maxOffset = size
}
if offset < 0 {
maxOffset = 0
}
got, want := dataUncomp.Bytes(), data[maxOffset:]
if !bytes.Equal(got, want) {
t.Error("Uncompressed data and input data does not match.")
t.Errorf("\tGOT: %v", util.OmitBytes(got, 10))
t.Errorf("\tWANT: %v", util.OmitBytes(want, 10))
return
}
}
func TestCommit(t *testing.T) {
data := testutil.CreateDummyBuf(1024)
withEmptyStore(t, func(st *store.Store) {
if err := createDummySetup(t, st, data); err != nil {
return
}
if err := st.MakeCommit("Im cool."); err != nil {
t.Errorf("Making first commit failed: %v", err)
return
}
})
/*
withIpfsStore(t, "alice", func(st *store.Store) {
head, err := st.Head()
if err != nil {
t.Errorf("Unable to peek head at beginning: %v", err)
return
}
if len(head.Checkpoints) != 0 {
t.Errorf("Initial commit has Checkpoints?")
return
}
if !strings.Contains(strings.ToLower(head.Message), "initial") {
t.Errorf("Initial commit does not name itself like that.")
return
}
// Stage is empty after initial commit:
if err := st.MakeCommit("empty."); err != store.ErrEmptyStage {
t.Errorf("Empty commits are now allowed: %v", err)
return
}
if err := st.Touch("/hello.world"); err != nil {
t.Errorf("Unable to touch empty file: %v", err)
return
}
if err := st.MakeCommit("testing around"); err != nil {
t.Errorf("Could not commit: %v", err)
return
}
head, err = st.Head()
if err != nil {
t.Errorf("Unable to peek head the second time: %v", err)
return
}
if head.Message != "testing around" {
t.Errorf("Bad commit message: %s", head.Message)
return
}
if len(head.Checkpoints) != 1 {
t.Errorf("More or less Checkpoints than expected: %d", len(head.Checkpoints))
return
}
checkpoint := head.Checkpoints[0]
if checkpoint.Change != store.ChangeAdd {
t.Errorf("Empty file was not added?")
return
}
})
*/
}