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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,87 @@ | ||
| package fecdecoder | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "context" | ||
| "oneway-filesync/pkg/structs" | ||
| "strings" | ||
| "testing" | ||
| "time" | ||
|
|
||
| "github.com/klauspost/reedsolomon" | ||
| "github.com/sirupsen/logrus" | ||
| ) | ||
|
|
||
| func createChunks(t *testing.T, required int, total int) []*structs.Chunk { | ||
| fec, err := reedsolomon.New(required, total-required) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| shares, err := fec.Split(make([]byte, 400)) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
|
|
||
| // Encode the parity set | ||
| err = fec.Encode(shares) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| chunks := make([]*structs.Chunk, total) | ||
| for i, sharedata := range shares { | ||
| chunks[i] = &structs.Chunk{ | ||
| ShareIndex: uint32(i), | ||
| Data: sharedata, | ||
| } | ||
| } | ||
| return chunks | ||
|
|
||
| } | ||
|
|
||
| func Test_worker(t *testing.T) { | ||
| type args struct { | ||
| required int | ||
| total int | ||
| input []*structs.Chunk | ||
| } | ||
| tests := []struct { | ||
| name string | ||
| args args | ||
| wantErr bool | ||
| expectedErr string | ||
| }{ | ||
| {"test-works", args{2, 4, createChunks(t, 2, 4)}, false, ""}, | ||
| {"test-too-few-shards", args{4, 8, createChunks(t, 4, 8)[:3]}, true, "Error FEC decoding shares: too few shards given"}, | ||
| {"test-invalid-fec1", args{2, 1, make([]*structs.Chunk, 4)}, true, "Error creating fec object: cannot create Encoder with less than one data shard or less than zero parity shards"}, | ||
| {"test-invalid-fec2", args{0, 1, make([]*structs.Chunk, 4)}, true, "Error creating fec object: cannot create Encoder with less than one data shard or less than zero parity shards"}, | ||
| } | ||
| for _, tt := range tests { | ||
| t.Run(tt.name, func(t *testing.T) { | ||
| var memLog bytes.Buffer | ||
| logrus.SetOutput(&memLog) | ||
|
|
||
| input := make(chan []*structs.Chunk, 5) | ||
| output := make(chan *structs.Chunk, 5) | ||
|
|
||
| input <- tt.args.input | ||
|
|
||
| conf := fecDecoderConfig{tt.args.required, tt.args.total, input, output} | ||
| ctx, cancel := context.WithCancel(context.Background()) | ||
| go func() { | ||
| time.Sleep(2 * time.Second) | ||
| cancel() | ||
| }() | ||
| // ch <- tt.args.file | ||
| worker(ctx, &conf) | ||
|
|
||
| if tt.wantErr { | ||
| if !strings.Contains(memLog.String(), tt.expectedErr) { | ||
| t.Fatalf("Expected not in log, '%v' not in '%v'", tt.expectedErr, memLog.String()) | ||
| } | ||
| } else { | ||
| <-output | ||
| } | ||
|
|
||
| }) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,61 @@ | ||
| package fecencoder | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "context" | ||
| "oneway-filesync/pkg/structs" | ||
| "strings" | ||
| "testing" | ||
| "time" | ||
|
|
||
| "github.com/sirupsen/logrus" | ||
| ) | ||
|
|
||
| func Test_worker(t *testing.T) { | ||
| type args struct { | ||
| required int | ||
| total int | ||
| input *structs.Chunk | ||
| } | ||
| tests := []struct { | ||
| name string | ||
| args args | ||
| wantErr bool | ||
| expectedErr string | ||
| }{ | ||
| {"test-works", args{2, 4, &structs.Chunk{Data: make([]byte, 400)}}, false, ""}, | ||
| {"test-shortdata1", args{2, 4, &structs.Chunk{Data: make([]byte, 0)}}, true, "Error splitting chunk: not enough data to fill the number of requested shards"}, | ||
| {"test-invalid-fec1", args{2, 1, &structs.Chunk{}}, true, "Error creating fec object: cannot create Encoder with less than one data shard or less than zero parity shards"}, | ||
| {"test-invalid-fec2", args{0, 1, &structs.Chunk{}}, true, "Error creating fec object: cannot create Encoder with less than one data shard or less than zero parity shards"}, | ||
| } | ||
| for _, tt := range tests { | ||
| t.Run(tt.name, func(t *testing.T) { | ||
| var memLog bytes.Buffer | ||
| logrus.SetOutput(&memLog) | ||
|
|
||
| input := make(chan *structs.Chunk, 5) | ||
| output := make(chan *structs.Chunk, 5) | ||
|
|
||
| input <- tt.args.input | ||
|
|
||
| conf := fecEncoderConfig{tt.args.required, tt.args.total, input, output} | ||
| ctx, cancel := context.WithCancel(context.Background()) | ||
| go func() { | ||
| time.Sleep(2 * time.Second) | ||
| cancel() | ||
| }() | ||
| // ch <- tt.args.file | ||
| worker(ctx, &conf) | ||
|
|
||
| if tt.wantErr { | ||
| if !strings.Contains(memLog.String(), tt.expectedErr) { | ||
| t.Fatalf("Expected not in log, '%v' not in '%v'", tt.expectedErr, memLog.String()) | ||
| } | ||
| } else { | ||
| for i := 0; i < conf.total; i++ { | ||
| <-output | ||
| } | ||
| } | ||
| }) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| package udpsender | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "context" | ||
| "crypto/rand" | ||
| "math/big" | ||
| "net" | ||
| "oneway-filesync/pkg/structs" | ||
| "strings" | ||
| "testing" | ||
| "time" | ||
|
|
||
| "github.com/sirupsen/logrus" | ||
| ) | ||
|
|
||
| func randint(max int64) int { | ||
| nBig, err := rand.Int(rand.Reader, big.NewInt(max)) | ||
| if err != nil { | ||
| panic(err) | ||
| } | ||
| return int(nBig.Int64()) | ||
| } | ||
|
|
||
| func Test_worker(t *testing.T) { | ||
| ip := "127.0.0.1" | ||
| port := randint(30000) + 30000 | ||
| addr := net.UDPAddr{ | ||
| IP: net.ParseIP(ip), | ||
| Port: port, | ||
| } | ||
|
|
||
| receiving_conn, err := net.ListenUDP("udp", &addr) | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| defer receiving_conn.Close() | ||
|
|
||
| type args struct { | ||
| ip string | ||
| port int | ||
| chunk structs.Chunk | ||
| } | ||
| tests := []struct { | ||
| name string | ||
| args args | ||
| wantErr bool | ||
| expectedErr string | ||
| }{ | ||
| {"test-works", args{ip, port, structs.Chunk{}}, false, ""}, | ||
| {"test-socket-err", args{ip, 88888, structs.Chunk{}}, true, "Error creating udp socket"}, | ||
| {"test-message-too-long", args{ip, port, structs.Chunk{Data: make([]byte, 100*1024)}}, true, "Error sending share: write udp"}, | ||
| } | ||
| for _, tt := range tests { | ||
| t.Run(tt.name, func(t *testing.T) { | ||
| var memLog bytes.Buffer | ||
| logrus.SetOutput(&memLog) | ||
|
|
||
| input := make(chan *structs.Chunk, 5) | ||
| input <- &tt.args.chunk | ||
| conf := udpSenderConfig{tt.args.ip, tt.args.port, input} | ||
| ctx, cancel := context.WithCancel(context.Background()) | ||
| go func() { | ||
| time.Sleep(2 * time.Second) | ||
| cancel() | ||
| }() | ||
| worker(ctx, &conf) | ||
|
|
||
| if tt.wantErr { | ||
| if !strings.Contains(memLog.String(), tt.expectedErr) { | ||
| t.Fatalf("Expected not in log, '%v' not in '%v'", tt.expectedErr, memLog.String()) | ||
| } | ||
| } else { | ||
| _, _ = receiving_conn.Read(make([]byte, 8192)) | ||
| } | ||
| }) | ||
| } | ||
| } |
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