| 1 | package integrationtest |
| 2 | |
| 3 | import ( |
| 4 | "bytes" |
| 5 | "context" |
| 6 | "errors" |
| 7 | "fmt" |
| 8 | "io" |
| 9 | "math" |
| 10 | "os" |
| 11 | "testing" |
| 12 | "time" |
| 13 | |
| 14 | "github.com/ipfs/boxo/bootstrap" |
| 15 | "github.com/ipfs/boxo/files" |
| 16 | logging "github.com/ipfs/go-log/v2" |
| 17 | "github.com/ipfs/go-test/random" |
| 18 | "github.com/ipfs/kubo/core" |
| 19 | "github.com/ipfs/kubo/core/coreapi" |
| 20 | mock "github.com/ipfs/kubo/core/mock" |
| 21 | "github.com/ipfs/kubo/thirdparty/unit" |
| 22 | testutil "github.com/libp2p/go-libp2p-testing/net" |
| 23 | "github.com/libp2p/go-libp2p/core/peer" |
| 24 | mocknet "github.com/libp2p/go-libp2p/p2p/net/mock" |
| 25 | ) |
| 26 | |
| 27 | var log = logging.Logger("epictest") |
| 28 | |
| 29 | const kSeed = 1 |
| 30 | |
| 31 | func Test1KBInstantaneous(t *testing.T) { |
| 32 | conf := testutil.LatencyConfig{ |
| 33 | NetworkLatency: 0, |
| 34 | RoutingLatency: 0, |
| 35 | BlockstoreLatency: 0, |
| 36 | } |
| 37 | |
| 38 | if err := DirectAddCat(RandomBytes(1*unit.KB), conf); err != nil { |
| 39 | t.Fatal(err) |
| 40 | } |
| 41 | } |
| 42 | |
| 43 | func TestDegenerateSlowBlockstore(t *testing.T) { |
| 44 | SkipUnlessEpic(t) |
| 45 | conf := testutil.LatencyConfig{BlockstoreLatency: 50 * time.Millisecond} |
| 46 | if err := AddCatPowers(conf, 128); err != nil { |
| 47 | t.Fatal(err) |
| 48 | } |
| 49 | } |
| 50 | |
| 51 | func TestDegenerateSlowNetwork(t *testing.T) { |
| 52 | SkipUnlessEpic(t) |
| 53 | conf := testutil.LatencyConfig{NetworkLatency: 400 * time.Millisecond} |
| 54 | if err := AddCatPowers(conf, 128); err != nil { |
| 55 | t.Fatal(err) |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | func TestDegenerateSlowRouting(t *testing.T) { |
| 60 | SkipUnlessEpic(t) |
| 61 | conf := testutil.LatencyConfig{RoutingLatency: 400 * time.Millisecond} |
| 62 | if err := AddCatPowers(conf, 128); err != nil { |
| 63 | t.Fatal(err) |
| 64 | } |
| 65 | } |
| 66 | |
| 67 | func Test100MBMacbookCoastToCoast(t *testing.T) { |
| 68 | SkipUnlessEpic(t) |
| 69 | conf := testutil.LatencyConfig{}.NetworkNYtoSF().BlockstoreSlowSSD2014().RoutingSlow() |
| 70 | if err := DirectAddCat(RandomBytes(100*1024*1024), conf); err != nil { |
| 71 | t.Fatal(err) |
| 72 | } |
| 73 | } |
| 74 | |
| 75 | func AddCatPowers(conf testutil.LatencyConfig, megabytesMax int64) error { |
| 76 | var i int64 |
| 77 | for i = 1; i < megabytesMax; i = i * 2 { |
| 78 | fmt.Printf("%d MB\n", i) |
| 79 | if err := DirectAddCat(RandomBytes(i*1024*1024), conf); err != nil { |
| 80 | return err |
| 81 | } |
| 82 | } |
| 83 | return nil |
| 84 | } |
| 85 | |
| 86 | func RandomBytes(n int64) []byte { |
| 87 | random.SetSeed(kSeed) |
| 88 | return random.Bytes(int(n)) |
| 89 | } |
| 90 | |
| 91 | func DirectAddCat(data []byte, conf testutil.LatencyConfig) error { |
| 92 | ctx, cancel := context.WithCancel(context.Background()) |
| 93 | defer cancel() |
| 94 | |
| 95 | // create network |
| 96 | mn := mocknet.New() |
| 97 | mn.SetLinkDefaults(mocknet.LinkOptions{ |
| 98 | Latency: conf.NetworkLatency, |
| 99 | // TODO add to conf. This is tricky because we want 0 values to be functional. |
| 100 | Bandwidth: math.MaxInt32, |
| 101 | }) |
| 102 | |
| 103 | adder, err := core.NewNode(ctx, &core.BuildCfg{ |
| 104 | Online: true, |
| 105 | Host: mock.MockHostOption(mn), |
| 106 | }) |
| 107 | if err != nil { |
| 108 | return err |
| 109 | } |
| 110 | defer adder.Close() |
| 111 | |
| 112 | catter, err := core.NewNode(ctx, &core.BuildCfg{ |
| 113 | Online: true, |
| 114 | Host: mock.MockHostOption(mn), |
| 115 | }) |
| 116 | if err != nil { |
| 117 | return err |
| 118 | } |
| 119 | defer catter.Close() |
| 120 | |
| 121 | adderAPI, err := coreapi.NewCoreAPI(adder) |
| 122 | if err != nil { |
| 123 | return err |
| 124 | } |
| 125 | |
| 126 | catterAPI, err := coreapi.NewCoreAPI(catter) |
| 127 | if err != nil { |
| 128 | return err |
| 129 | } |
| 130 | |
| 131 | err = mn.LinkAll() |
| 132 | if err != nil { |
| 133 | return err |
| 134 | } |
| 135 | |
| 136 | bs1 := []peer.AddrInfo{adder.Peerstore.PeerInfo(adder.Identity)} |
| 137 | bs2 := []peer.AddrInfo{catter.Peerstore.PeerInfo(catter.Identity)} |
| 138 | |
| 139 | if err := catter.Bootstrap(bootstrap.BootstrapConfigWithPeers(bs1)); err != nil { |
| 140 | return err |
| 141 | } |
| 142 | if err := adder.Bootstrap(bootstrap.BootstrapConfigWithPeers(bs2)); err != nil { |
| 143 | return err |
| 144 | } |
| 145 | |
| 146 | added, err := adderAPI.Unixfs().Add(ctx, files.NewBytesFile(data)) |
| 147 | if err != nil { |
| 148 | return err |
| 149 | } |
| 150 | |
| 151 | readerCatted, err := catterAPI.Unixfs().Get(ctx, added) |
| 152 | if err != nil { |
| 153 | return err |
| 154 | } |
| 155 | |
| 156 | // verify |
| 157 | var bufout bytes.Buffer |
| 158 | _, err = io.Copy(&bufout, readerCatted.(io.Reader)) |
| 159 | if err != nil { |
| 160 | return err |
| 161 | } |
| 162 | if !bytes.Equal(bufout.Bytes(), data) { |
| 163 | return errors.New("catted data does not match added data") |
| 164 | } |
| 165 | |
| 166 | return nil |
| 167 | } |
| 168 | |
| 169 | func SkipUnlessEpic(t *testing.T) { |
| 170 | if os.Getenv("IPFS_EPIC_TEST") == "" { |
| 171 | t.SkipNow() |
| 172 | } |
| 173 | } |