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-rw-r--r--swarm/storage/chunker_test.go79
1 files changed, 46 insertions, 33 deletions
diff --git a/swarm/storage/chunker_test.go b/swarm/storage/chunker_test.go
index e6ca3d087..4f05cd1cc 100644
--- a/swarm/storage/chunker_test.go
+++ b/swarm/storage/chunker_test.go
@@ -18,6 +18,7 @@ package storage
import (
"bytes"
+ "crypto/rand"
"encoding/binary"
"fmt"
"io"
@@ -27,6 +28,7 @@ import (
"time"
)
+
/*
Tests TreeChunker by splitting and joining a random byte slice
*/
@@ -49,7 +51,7 @@ func (self *chunkerTester) checkChunks(t *testing.T, want int) {
}
}
-func (self *chunkerTester) Split(chunker Splitter, data io.Reader, size int64, chunkC chan *Chunk, swg *sync.WaitGroup) (key Key) {
+func (self *chunkerTester) Split(chunker Splitter, data io.Reader, size int64, chunkC chan *Chunk, swg *sync.WaitGroup, expectedError error) (key Key) {
// reset
self.chunks = make(map[string]*Chunk)
@@ -65,14 +67,9 @@ func (self *chunkerTester) Split(chunker Splitter, data io.Reader, size int64, c
select {
case <-timeout:
self.t.Fatalf("Join timeout error")
-
- case chunk, ok := <-chunkC:
- if !ok {
- // glog.V(logger.Info).Infof("chunkC closed quitting")
- close(quitC)
- return
- }
- // glog.V(logger.Info).Infof("chunk %v received", len(self.chunks))
+ case <-quitC:
+ return
+ case chunk := <-chunkC:
// self.chunks = append(self.chunks, chunk)
self.chunks[chunk.Key.String()] = chunk
if chunk.wg != nil {
@@ -83,21 +80,16 @@ func (self *chunkerTester) Split(chunker Splitter, data io.Reader, size int64, c
}()
}
key, err := chunker.Split(data, size, chunkC, swg, nil)
- if err != nil {
+ if err != nil && expectedError == nil {
self.t.Fatalf("Split error: %v", err)
+ } else if expectedError != nil && (err == nil || err.Error() != expectedError.Error()) {
+ self.t.Fatalf("Not receiving the correct error! Expected %v, received %v", expectedError, err)
}
if chunkC != nil {
if swg != nil {
- // glog.V(logger.Info).Infof("Waiting for storage to finish")
swg.Wait()
- // glog.V(logger.Info).Infof("Storage finished")
}
- close(chunkC)
- }
- if chunkC != nil {
- // glog.V(logger.Info).Infof("waiting for splitter finished")
- <-quitC
- // glog.V(logger.Info).Infof("Splitter finished")
+ close(quitC)
}
return
}
@@ -105,11 +97,9 @@ func (self *chunkerTester) Split(chunker Splitter, data io.Reader, size int64, c
func (self *chunkerTester) Join(chunker Chunker, key Key, c int, chunkC chan *Chunk, quitC chan bool) LazySectionReader {
// reset but not the chunks
- // glog.V(logger.Info).Infof("Splitter finished")
reader := chunker.Join(key, chunkC)
timeout := time.After(600 * time.Second)
- // glog.V(logger.Info).Infof("Splitter finished")
i := 0
go func() {
for {
@@ -122,15 +112,12 @@ func (self *chunkerTester) Join(chunker Chunker, key Key, c int, chunkC chan *Ch
close(quitC)
return
}
- // glog.V(logger.Info).Infof("chunk %v: %v", i, chunk.Key.String())
// this just mocks the behaviour of a chunk store retrieval
stored, success := self.chunks[chunk.Key.String()]
- // glog.V(logger.Info).Infof("chunk %v, success: %v", chunk.Key.String(), success)
if !success {
self.t.Fatalf("not found")
return
}
- // glog.V(logger.Info).Infof("chunk %v: %v", i, chunk.Key.String())
chunk.SData = stored.SData
chunk.Size = int64(binary.LittleEndian.Uint64(chunk.SData[0:8]))
close(chunk.C)
@@ -141,6 +128,26 @@ func (self *chunkerTester) Join(chunker Chunker, key Key, c int, chunkC chan *Ch
return reader
}
+func testRandomBrokenData(splitter Splitter, n int, tester *chunkerTester) {
+ data := io.LimitReader(rand.Reader, int64(n))
+ brokendata := brokenLimitReader(data, n, n/2)
+
+ buf := make([]byte, n)
+ _, err := brokendata.Read(buf)
+ if err == nil || err.Error() != "Broken reader" {
+ tester.t.Fatalf("Broken reader is not broken, hence broken. Returns: %v", err)
+ }
+
+ data = io.LimitReader(rand.Reader, int64(n))
+ brokendata = brokenLimitReader(data, n, n/2)
+
+ chunkC := make(chan *Chunk, 1000)
+ swg := &sync.WaitGroup{}
+
+ key := tester.Split(splitter, brokendata, int64(n), chunkC, swg, fmt.Errorf("Broken reader"))
+ tester.t.Logf(" Key = %v\n", key)
+}
+
func testRandomData(splitter Splitter, n int, tester *chunkerTester) {
if tester.inputs == nil {
tester.inputs = make(map[uint64][]byte)
@@ -151,13 +158,13 @@ func testRandomData(splitter Splitter, n int, tester *chunkerTester) {
data, input = testDataReaderAndSlice(n)
tester.inputs[uint64(n)] = input
} else {
- data = limitReader(bytes.NewReader(input), n)
+ data = io.LimitReader(bytes.NewReader(input), int64(n))
}
chunkC := make(chan *Chunk, 1000)
swg := &sync.WaitGroup{}
- key := tester.Split(splitter, data, int64(n), chunkC, swg)
+ key := tester.Split(splitter, data, int64(n), chunkC, swg, nil)
tester.t.Logf(" Key = %v\n", key)
chunkC = make(chan *Chunk, 1000)
@@ -166,9 +173,7 @@ func testRandomData(splitter Splitter, n int, tester *chunkerTester) {
chunker := NewTreeChunker(NewChunkerParams())
reader := tester.Join(chunker, key, 0, chunkC, quitC)
output := make([]byte, n)
- // glog.V(logger.Info).Infof(" Key = %v\n", key)
r, err := reader.Read(output)
- // glog.V(logger.Info).Infof(" read = %v %v\n", r, err)
if r != n || err != io.EOF {
tester.t.Fatalf("read error read: %v n = %v err = %v\n", r, n, err)
}
@@ -183,7 +188,7 @@ func testRandomData(splitter Splitter, n int, tester *chunkerTester) {
func TestRandomData(t *testing.T) {
// sizes := []int{123456}
- sizes := []int{1, 60, 83, 179, 253, 1024, 4095, 4096, 4097, 123456}
+ sizes := []int{1, 60, 83, 179, 253, 1024, 4095, 4096, 4097, 8191, 8192, 8193, 123456, 2345678}
tester := &chunkerTester{t: t}
chunker := NewTreeChunker(NewChunkerParams())
for _, s := range sizes {
@@ -195,6 +200,16 @@ func TestRandomData(t *testing.T) {
}
}
+func TestRandomBrokenData(t *testing.T) {
+ sizes := []int{1, 60, 83, 179, 253, 1024, 4095, 4096, 4097, 8191, 8192, 8193, 123456, 2345678}
+ tester := &chunkerTester{t: t}
+ chunker := NewTreeChunker(NewChunkerParams())
+ for _, s := range sizes {
+ testRandomBrokenData(chunker, s, tester)
+ t.Logf("done size: %v", s)
+ }
+}
+
func readAll(reader LazySectionReader, result []byte) {
size := int64(len(result))
@@ -227,7 +242,7 @@ func benchmarkJoin(n int, t *testing.B) {
chunkC := make(chan *Chunk, 1000)
swg := &sync.WaitGroup{}
- key := tester.Split(chunker, data, int64(n), chunkC, swg)
+ key := tester.Split(chunker, data, int64(n), chunkC, swg, nil)
// t.StartTimer()
chunkC = make(chan *Chunk, 1000)
quitC := make(chan bool)
@@ -248,8 +263,7 @@ func benchmarkSplitTree(n int, t *testing.B) {
chunker := NewTreeChunker(NewChunkerParams())
tester := &chunkerTester{t: t}
data := testDataReader(n)
- // glog.V(logger.Info).Infof("splitting data of length %v", n)
- tester.Split(chunker, data, int64(n), nil, nil)
+ tester.Split(chunker, data, int64(n), nil, nil, nil)
}
stats := new(runtime.MemStats)
runtime.ReadMemStats(stats)
@@ -262,8 +276,7 @@ func benchmarkSplitPyramid(n int, t *testing.B) {
splitter := NewPyramidChunker(NewChunkerParams())
tester := &chunkerTester{t: t}
data := testDataReader(n)
- // glog.V(logger.Info).Infof("splitting data of length %v", n)
- tester.Split(splitter, data, int64(n), nil, nil)
+ tester.Split(splitter, data, int64(n), nil, nil, nil)
}
stats := new(runtime.MemStats)
runtime.ReadMemStats(stats)
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-29 23:39:52 +0800